GREENHILL & CO., INC. 401(K) PROFIT SHARING PLAN 401k Plan overview

Plan Name	GREENHILL & CO., INC. 401(K) PROFIT SHARING PLAN
Plan identification number	001

GREENHILL & CO., INC. 401(K) PROFIT SHARING PLAN Benefits

401k Plan Type

Defined Contribution Pension

Plan Features/Benefits

Age/Service Weighted or new comparability or similar plan - Age/Service Weighted Plan: Allocations are based on age, service, or age and service. New comparability or similar plan: Allocations are based on participant classifications and a classification(s) consists entirely or predominantly of highly compensated employees; or the plan provides an additional allocation rate on compensation above a specified threshold, and the theshold or additional rate exceeds the maximum threshold or rate allowed under the permitted disparity rules of section 401(l). Profit-sharing ERISA section 404(c) Plan - This plan, or any part of it is intended to meet the conditions of 29 CFR 2550.404c-1. Total participant-directed account plan - Participants have the opportunity to direct the investment of all the assets allocated to their individual accounts, regardless of whether 29 CFR 2550.404c-1 is intended to be met. Code section 401(k) feature - A cash or deferred arrangement described in Code section 401(k) that is part of a qualified defined contribution plan that provides for an election by employees to defer part of their compensation or receive these amounts in cash. Code section 401(m) arrangement - Employee contributions are allocated to separate accounts under the plan or employer contributions are based, in whole or in part, on employee deferrals or contribtions to the plan. Not applicable if plan is 401(k) plan with only QNECs and/or QMACs. Also not applicable if Code section 403(b)(1), 403(b)(7) or 408 arrangements/accounts/annuities. Total or partial participant-directed account plan - plan uses default investment account for participants who fail to direct assets in their account. Master plan - A pension plan that is made available by a sponsor for adoption by employers; that is the subject of a favorable opinion letter; and for which a single funding medium (for example, a trust or custodial account) is established for the joint use of all adopting employers.

401k Sponsoring company profile

GREENHILL AND CO., INC. has sponsored the creation of one or more 401k plans.

Company Name:	GREENHILL AND CO., INC.
Employer identification number (EIN):	510500737
NAIC Classification:	523900

Form 5500 Filing Information

Submission information for form 5500 for 401k plan GREENHILL & CO., INC. 401(K) PROFIT SHARING PLAN

Plan id#	Filing Submission Date	Name of Administrator	Date Administrator Signed	Name of Company Sponsor	Date Sponsor Signed
001	2023-01-01
001	2022-01-01
001	2021-01-01
001	2020-01-01
001	2019-01-01
001	2018-01-01
001	2017-01-01	HAROLD RODRIGUEZ
001	2016-01-01	HAROLD RODRIGUEZ
001	2015-01-01	HAROLD RODRIGUEZ
001	2014-01-01	HAROLD RODRIGUEZ JR
001	2013-01-01	HAROLD RODRIGUEZ		HAROLD RODRIGUEZ	2014-10-13
001	2012-01-01	HAROLD RODRIGUEZ		HAROLD RODRIGUEZ	2013-10-09
001	2011-01-01	HAROLD RODRIGUEZ		HAROLD RODRIGUEZ	2012-10-10
001	2010-01-01	HAROLD RODRIGUEZ		HAROLD RODRIGUEZ	2011-10-05
001	2009-01-01	HAROLD J. RODRIGUEZ, JR.		HAROLD J. RODRIGUEZ, JR.	2010-10-07

Plan Statistics for GREENHILL & CO., INC. 401(K) PROFIT SHARING PLAN

401k plan membership statisitcs for GREENHILL & CO., INC. 401(K) PROFIT SHARING PLAN

Measure	Date	Value
2023: GREENHILL & CO., INC. 401(K) PROFIT SHARING PLAN 2023 401k membership
Total participants, beginning-of-year	2023-01-01	378
Total number of active participants reported on line 7a of the Form 5500	2023-01-01	195
Number of retired or separated participants receiving benefits	2023-01-01	1
Number of other retired or separated participants entitled to future benefits	2023-01-01	183
Total of all active and inactive participants	2023-01-01	379
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2023-01-01	0
Total participants	2023-01-01	379
Number of participants with account balances	2023-01-01	343
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2023-01-01	0
2022: GREENHILL & CO., INC. 401(K) PROFIT SHARING PLAN 2022 401k membership
Total participants, beginning-of-year	2022-01-01	350
Total number of active participants reported on line 7a of the Form 5500	2022-01-01	199
Number of retired or separated participants receiving benefits	2022-01-01	1
Number of other retired or separated participants entitled to future benefits	2022-01-01	178
Total of all active and inactive participants	2022-01-01	378
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2022-01-01	0
Total participants	2022-01-01	378
Number of participants with account balances	2022-01-01	346
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2022-01-01	0
2021: GREENHILL & CO., INC. 401(K) PROFIT SHARING PLAN 2021 401k membership
Total participants, beginning-of-year	2021-01-01	364
Total number of active participants reported on line 7a of the Form 5500	2021-01-01	181
Number of retired or separated participants receiving benefits	2021-01-01	1
Number of other retired or separated participants entitled to future benefits	2021-01-01	168
Total of all active and inactive participants	2021-01-01	350
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2021-01-01	0
Total participants	2021-01-01	350
Number of participants with account balances	2021-01-01	325
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2021-01-01	0
2020: GREENHILL & CO., INC. 401(K) PROFIT SHARING PLAN 2020 401k membership
Total participants, beginning-of-year	2020-01-01	378
Total number of active participants reported on line 7a of the Form 5500	2020-01-01	218
Number of retired or separated participants receiving benefits	2020-01-01	1
Number of other retired or separated participants entitled to future benefits	2020-01-01	145
Total of all active and inactive participants	2020-01-01	364
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2020-01-01	0
Total participants	2020-01-01	364
Number of participants with account balances	2020-01-01	326
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2020-01-01	0
2019: GREENHILL & CO., INC. 401(K) PROFIT SHARING PLAN 2019 401k membership
Total participants, beginning-of-year	2019-01-01	333
Total number of active participants reported on line 7a of the Form 5500	2019-01-01	230
Number of retired or separated participants receiving benefits	2019-01-01	1
Number of other retired or separated participants entitled to future benefits	2019-01-01	147
Total of all active and inactive participants	2019-01-01	378
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2019-01-01	0
Total participants	2019-01-01	378
Number of participants with account balances	2019-01-01	313
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2019-01-01	0
2018: GREENHILL & CO., INC. 401(K) PROFIT SHARING PLAN 2018 401k membership
Total participants, beginning-of-year	2018-01-01	268
Total number of active participants reported on line 7a of the Form 5500	2018-01-01	196
Number of retired or separated participants receiving benefits	2018-01-01	1
Number of other retired or separated participants entitled to future benefits	2018-01-01	136
Total of all active and inactive participants	2018-01-01	333
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2018-01-01	0
Total participants	2018-01-01	333
Number of participants with account balances	2018-01-01	271
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2018-01-01	0
2017: GREENHILL & CO., INC. 401(K) PROFIT SHARING PLAN 2017 401k membership
Total participants, beginning-of-year	2017-01-01	252
Total number of active participants reported on line 7a of the Form 5500	2017-01-01	152
Number of retired or separated participants receiving benefits	2017-01-01	1
Number of other retired or separated participants entitled to future benefits	2017-01-01	115
Total of all active and inactive participants	2017-01-01	268
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2017-01-01	0
Total participants	2017-01-01	268
Number of participants with account balances	2017-01-01	244
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2017-01-01	0
2016: GREENHILL & CO., INC. 401(K) PROFIT SHARING PLAN 2016 401k membership
Total participants, beginning-of-year	2016-01-01	236
Total number of active participants reported on line 7a of the Form 5500	2016-01-01	150
Number of retired or separated participants receiving benefits	2016-01-01	0
Number of other retired or separated participants entitled to future benefits	2016-01-01	102
Total of all active and inactive participants	2016-01-01	252
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2016-01-01	0
Total participants	2016-01-01	252
Number of participants with account balances	2016-01-01	230
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2016-01-01	0
2015: GREENHILL & CO., INC. 401(K) PROFIT SHARING PLAN 2015 401k membership
Total participants, beginning-of-year	2015-01-01	223
Total number of active participants reported on line 7a of the Form 5500	2015-01-01	145
Number of retired or separated participants receiving benefits	2015-01-01	0
Number of other retired or separated participants entitled to future benefits	2015-01-01	91
Total of all active and inactive participants	2015-01-01	236
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2015-01-01	0
Total participants	2015-01-01	236
Number of participants with account balances	2015-01-01	221
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2015-01-01	0
2014: GREENHILL & CO., INC. 401(K) PROFIT SHARING PLAN 2014 401k membership
Total participants, beginning-of-year	2014-01-01	234
Total number of active participants reported on line 7a of the Form 5500	2014-01-01	140
Number of retired or separated participants receiving benefits	2014-01-01	0
Number of other retired or separated participants entitled to future benefits	2014-01-01	83
Total of all active and inactive participants	2014-01-01	223
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2014-01-01	0
Total participants	2014-01-01	223
Number of participants with account balances	2014-01-01	208
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2014-01-01	0
2013: GREENHILL & CO., INC. 401(K) PROFIT SHARING PLAN 2013 401k membership
Total participants, beginning-of-year	2013-01-01	231
Total number of active participants reported on line 7a of the Form 5500	2013-01-01	164
Number of retired or separated participants receiving benefits	2013-01-01	0
Number of other retired or separated participants entitled to future benefits	2013-01-01	70
Total of all active and inactive participants	2013-01-01	234
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2013-01-01	0
Total participants	2013-01-01	234
Number of participants with account balances	2013-01-01	220
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2013-01-01	0
2012: GREENHILL & CO., INC. 401(K) PROFIT SHARING PLAN 2012 401k membership
Total participants, beginning-of-year	2012-01-01	225
Total number of active participants reported on line 7a of the Form 5500	2012-01-01	166
Number of retired or separated participants receiving benefits	2012-01-01	0
Number of other retired or separated participants entitled to future benefits	2012-01-01	61
Total of all active and inactive participants	2012-01-01	227
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2012-01-01	0
Total participants	2012-01-01	227
Number of participants with account balances	2012-01-01	204
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2012-01-01	0
2011: GREENHILL & CO., INC. 401(K) PROFIT SHARING PLAN 2011 401k membership
Total participants, beginning-of-year	2011-01-01	241
Total number of active participants reported on line 7a of the Form 5500	2011-01-01	156
Number of retired or separated participants receiving benefits	2011-01-01	0
Number of other retired or separated participants entitled to future benefits	2011-01-01	58
Total of all active and inactive participants	2011-01-01	214
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2011-01-01	0
Total participants	2011-01-01	214
Number of participants with account balances	2011-01-01	202
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2011-01-01	0
2010: GREENHILL & CO., INC. 401(K) PROFIT SHARING PLAN 2010 401k membership
Total participants, beginning-of-year	2010-01-01	215
Total number of active participants reported on line 7a of the Form 5500	2010-01-01	186
Number of retired or separated participants receiving benefits	2010-01-01	0
Number of other retired or separated participants entitled to future benefits	2010-01-01	49
Total of all active and inactive participants	2010-01-01	235
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2010-01-01	0
Total participants	2010-01-01	235
Number of participants with account balances	2010-01-01	224
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2010-01-01	0
2009: GREENHILL & CO., INC. 401(K) PROFIT SHARING PLAN 2009 401k membership
Total participants, beginning-of-year	2009-01-01	184
Total number of active participants reported on line 7a of the Form 5500	2009-01-01	171
Number of retired or separated participants receiving benefits	2009-01-01	0
Number of other retired or separated participants entitled to future benefits	2009-01-01	62
Total of all active and inactive participants	2009-01-01	233
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2009-01-01	0
Total participants	2009-01-01	233
Number of participants with account balances	2009-01-01	200
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2009-01-01	0

Financial Data on GREENHILL & CO., INC. 401(K) PROFIT SHARING PLAN

Measure	Date	Value
2023 : GREENHILL & CO., INC. 401(K) PROFIT SHARING PLAN 2023 401k financial data
Unrealized appreciation/depreciation of real estate assets	2023-12-31	$0
Unrealized appreciation/depreciation of other (non real estate) assets	2023-12-31	$0
Total unrealized appreciation/depreciation of assets	2023-12-31	$0
Total transfer of assets to this plan	2023-12-31	$0
Total transfer of assets from this plan	2023-12-31	$0
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2023-12-31	$0
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2023-12-31	$0
Expenses. Interest paid	2023-12-31	$0
Amount of participant contributions which was failed to transmit to the plan within the time period described in 29 CFR 251.3-102	2023-12-31	$0
Total income from all sources (including contributions)	2023-12-31	$14,491,200
Total loss/gain on sale of assets	2023-12-31	$0
Total of all expenses incurred	2023-12-31	$7,190,183
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2023-12-31	$7,091,129
Expenses. Certain deemed distributions of participant loans	2023-12-31	$0
Value of total corrective distributions	2023-12-31	$1,846
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2023-12-31	$4,828,743
Value of total assets at end of year	2023-12-31	$54,116,582
Value of total assets at beginning of year	2023-12-31	$46,815,565
Total of administrative expenses incurred including professional, contract, advisory and management fees	2023-12-31	$97,208
Total income from rents	2023-12-31	$0
Total interest from all sources	2023-12-31	$90,737
Total dividends received (eg from common stock, registered investment company shares)	2023-12-31	$1,448,893
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2023-12-31	No
Total dividends received from registered investment company shares (eg mutual funds)	2023-12-31	$1,448,893
Assets. Real estate other than employer real property at end of year	2023-12-31	$0
Assets. Real estate other than employer real property at beginning of year	2023-12-31	$0
Assets. Corporate prefeered stocks other than exployer securities at end of year	2023-12-31	$0
Assets. Corporate prefeered stocks other than exployer securities at beginning of year	2023-12-31	$0
Was this plan covered by a fidelity bond	2023-12-31	Yes
Value of fidelity bond cover	2023-12-31	$1,500,000
If this is an individual account plan, was there a blackout period	2023-12-31	No
Were there any nonexempt tranactions with any party-in-interest	2023-12-31	No
Contributions received from participants	2023-12-31	$3,285,786
Participant contributions at end of year	2023-12-31	$213,026
Participant contributions at beginning of year	2023-12-31	$231,140
Participant contributions at end of year	2023-12-31	$0
Participant contributions at beginning of year	2023-12-31	$0
Assets. Other investments not covered elsewhere at end of year	2023-12-31	$0
Assets. Other investments not covered elsewhere at beginning of year	2023-12-31	$0
Income. Received or receivable in cash from other sources (including rollovers)	2023-12-31	$1,467,957
Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries)	2023-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at end of year	2023-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at beginning of year	2023-12-31	$0
Assets. Loans (other than to participants) at end of year	2023-12-31	$0
Assets. Loans (other than to participants) at beginning of year	2023-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year	2023-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year	2023-12-31	$0
Other income not declared elsewhere	2023-12-31	$0
Administrative expenses (other) incurred	2023-12-31	$9,025
Liabilities. Value of operating payables at end of year	2023-12-31	$0
Liabilities. Value of operating payables at beginning of year	2023-12-31	$0
Total non interest bearing cash at end of year	2023-12-31	$0
Total non interest bearing cash at beginning of year	2023-12-31	$0
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2023-12-31	No
Income. Non cash contributions	2023-12-31	$0
Value of net income/loss	2023-12-31	$7,301,017
Value of net assets at end of year (total assets less liabilities)	2023-12-31	$54,116,582
Value of net assets at beginning of year (total assets less liabilities)	2023-12-31	$46,815,565
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2023-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2023-12-31	No
Were any leases to which the plan was party in default or uncollectible	2023-12-31	No
Assets. partnership/joint venture interests at end of year	2023-12-31	$0
Assets. partnership/joint venture interests at beginning of year	2023-12-31	$0
Investment advisory and management fees	2023-12-31	$78,934
Value of interest in registered invesment companies (eg mutual funds) at end of year	2023-12-31	$51,408,209
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2023-12-31	$44,776,585
Value of interest in pooled separate accounts at end of year	2023-12-31	$0
Value of interest in pooled separate accounts at beginning of year	2023-12-31	$0
Interest on participant loans	2023-12-31	$11,762
Income. Interest from loans (other than to participants)	2023-12-31	$0
Interest earned on other investments	2023-12-31	$0
Income. Interest from US Government securities	2023-12-31	$0
Income. Interest from corporate debt instruments	2023-12-31	$0
Value of interest in master investment trust accounts at end of year	2023-12-31	$0
Value of interest in master investment trust accounts at beginning of year	2023-12-31	$0
Value of interest in common/collective trusts at end of year	2023-12-31	$248,725
Value of interest in common/collective trusts at beginning of year	2023-12-31	$489,426
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2023-12-31	$2,246,622
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2023-12-31	$1,238,414
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2023-12-31	$1,238,414
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2023-12-31	$78,975
Assets. Value of investments in 103.12 investment entities at end of year	2023-12-31	$0
Assets. Value of investments in 103.12 investment entities at beginning of year	2023-12-31	$0
Value of funds held in insurance company general accounts (unallocated contracts) at end of year	2023-12-31	$0
Value of funds held in insurance company general accounts (unallocated contracts) at beginning of year	2023-12-31	$0
Expenses. Payments to insurance carriers foe the provision of benefits	2023-12-31	$0
Asset value of US Government securities at end of year	2023-12-31	$0
Asset value of US Government securities at beginning of year	2023-12-31	$0
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2023-12-31	$8,097,051
Net investment gain/loss from pooled separate accounts	2023-12-31	$0
Net investment gain or loss from common/collective trusts	2023-12-31	$25,776
Net gain/loss from 103.12 investment entities	2023-12-31	$0
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2023-12-31	No
Was there a failure to transmit to the plan any participant contributions	2023-12-31	No
Has the plan failed to provide any benefit when due under the plan	2023-12-31	No
Assets. Invements in employer securities at end of year	2023-12-31	$0
Assets. Invements in employer securities at beginning of year	2023-12-31	$0
Assets. Value of employer real property at end of year	2023-12-31	$0
Assets. Value of employer real property at beginning of year	2023-12-31	$0
Contributions received in cash from employer	2023-12-31	$75,000
Employer contributions (assets) at end of year	2023-12-31	$0
Employer contributions (assets) at beginning of year	2023-12-31	$80,000
Income. Dividends from preferred stock	2023-12-31	$0
Income. Dividends from common stock	2023-12-31	$0
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2023-12-31	$7,091,129
Asset. Corporate debt instrument preferred debt at end of year	2023-12-31	$0
Asset. Corporate debt instrument preferred debt at beginning of year	2023-12-31	$0
Asset. Corporate debt instrument debt (other) at end of year	2023-12-31	$0
Asset. Corporate debt instrument debt (other) at beginning of year	2023-12-31	$0
Contract administrator fees	2023-12-31	$0
Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3	2023-12-31	No
Assets. Corporate common stocks other than exployer securities at end of year	2023-12-31	$0
Assets. Corporate common stocks other than exployer securities at beginning of year	2023-12-31	$0
Liabilities. Value of benefit claims payable at end of year	2023-12-31	$0
Liabilities. Value of benefit claims payable at beginning of year	2023-12-31	$0
Assets. Value of buildings and other operty used in plan operation at end of year	2023-12-31	$0
Assets. Value of buildings and other operty used in plan operation at beginning of year	2023-12-31	$0
Did the plan have assets held for investment	2023-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2023-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2023-12-31	No
Aggregate proceeds on sale of assets	2023-12-31	$0
Aggregate carrying amount (costs) on sale of assets	2023-12-31	$0
Liabilities. Value of acquisition indebtedness at end of year	2023-12-31	$0
Liabilities. Value of acquisition indebtedness at beginning of year	2023-12-31	$0
Opinion of an independent qualified public accountant for this plan	2023-12-31	Unqualified
Accountancy firm name	2023-12-31	FORVIS MAZARS LLP
Accountancy firm EIN	2023-12-31	440160260
2022 : GREENHILL & CO., INC. 401(K) PROFIT SHARING PLAN 2022 401k financial data
Unrealized appreciation/depreciation of real estate assets	2022-12-31	$0
Unrealized appreciation/depreciation of other (non real estate) assets	2022-12-31	$0
Total unrealized appreciation/depreciation of assets	2022-12-31	$0
Total transfer of assets to this plan	2022-12-31	$0
Total transfer of assets from this plan	2022-12-31	$0
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2022-12-31	$0
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2022-12-31	$0
Expenses. Interest paid	2022-12-31	$0
Amount of participant contributions which was failed to transmit to the plan within the time period described in 29 CFR 251.3-102	2022-12-31	$0
Total income from all sources (including contributions)	2022-12-31	$-6,937,644
Total loss/gain on sale of assets	2022-12-31	$0
Total of all expenses incurred	2022-12-31	$3,312,257
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2022-12-31	$3,254,862
Expenses. Certain deemed distributions of participant loans	2022-12-31	$0
Value of total corrective distributions	2022-12-31	$0
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2022-12-31	$3,752,487
Value of total assets at end of year	2022-12-31	$46,815,565
Value of total assets at beginning of year	2022-12-31	$57,065,466
Total of administrative expenses incurred including professional, contract, advisory and management fees	2022-12-31	$57,395
Total income from rents	2022-12-31	$0
Total interest from all sources	2022-12-31	$22,218
Total dividends received (eg from common stock, registered investment company shares)	2022-12-31	$1,508,495
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2022-12-31	No
Total dividends received from registered investment company shares (eg mutual funds)	2022-12-31	$1,508,495
Assets. Real estate other than employer real property at end of year	2022-12-31	$0
Assets. Real estate other than employer real property at beginning of year	2022-12-31	$0
Administrative expenses professional fees incurred	2022-12-31	$0
Assets. Corporate prefeered stocks other than exployer securities at end of year	2022-12-31	$0
Assets. Corporate prefeered stocks other than exployer securities at beginning of year	2022-12-31	$0
Was this plan covered by a fidelity bond	2022-12-31	Yes
Value of fidelity bond cover	2022-12-31	$1,500,000
If this is an individual account plan, was there a blackout period	2022-12-31	No
Were there any nonexempt tranactions with any party-in-interest	2022-12-31	No
Contributions received from participants	2022-12-31	$2,979,704
Participant contributions at end of year	2022-12-31	$231,140
Participant contributions at beginning of year	2022-12-31	$178,659
Participant contributions at end of year	2022-12-31	$0
Participant contributions at beginning of year	2022-12-31	$0
Assets. Other investments not covered elsewhere at end of year	2022-12-31	$0
Assets. Other investments not covered elsewhere at beginning of year	2022-12-31	$0
Income. Received or receivable in cash from other sources (including rollovers)	2022-12-31	$692,783
Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries)	2022-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at end of year	2022-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at beginning of year	2022-12-31	$0
Assets. Loans (other than to participants) at end of year	2022-12-31	$0
Assets. Loans (other than to participants) at beginning of year	2022-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year	2022-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year	2022-12-31	$0
Other income not declared elsewhere	2022-12-31	$0
Administrative expenses (other) incurred	2022-12-31	$47,865
Liabilities. Value of operating payables at end of year	2022-12-31	$0
Liabilities. Value of operating payables at beginning of year	2022-12-31	$0
Total non interest bearing cash at end of year	2022-12-31	$0
Total non interest bearing cash at beginning of year	2022-12-31	$0
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2022-12-31	No
Income. Non cash contributions	2022-12-31	$0
Value of net income/loss	2022-12-31	$-10,249,901
Value of net assets at end of year (total assets less liabilities)	2022-12-31	$46,815,565
Value of net assets at beginning of year (total assets less liabilities)	2022-12-31	$57,065,466
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2022-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2022-12-31	No
Were any leases to which the plan was party in default or uncollectible	2022-12-31	No
Assets. partnership/joint venture interests at end of year	2022-12-31	$0
Assets. partnership/joint venture interests at beginning of year	2022-12-31	$0
Investment advisory and management fees	2022-12-31	$9,530
Value of interest in registered invesment companies (eg mutual funds) at end of year	2022-12-31	$44,776,585
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2022-12-31	$55,811,933
Value of interest in pooled separate accounts at end of year	2022-12-31	$0
Value of interest in pooled separate accounts at beginning of year	2022-12-31	$0
Interest on participant loans	2022-12-31	$9,506
Income. Interest from loans (other than to participants)	2022-12-31	$0
Interest earned on other investments	2022-12-31	$0
Income. Interest from US Government securities	2022-12-31	$0
Income. Interest from corporate debt instruments	2022-12-31	$0
Value of interest in master investment trust accounts at end of year	2022-12-31	$0
Value of interest in master investment trust accounts at beginning of year	2022-12-31	$0
Value of interest in common/collective trusts at end of year	2022-12-31	$489,426
Value of interest in common/collective trusts at beginning of year	2022-12-31	$269,036
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2022-12-31	$1,238,414
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2022-12-31	$720,838
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2022-12-31	$720,838
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2022-12-31	$12,712
Assets. Value of investments in 103.12 investment entities at end of year	2022-12-31	$0
Assets. Value of investments in 103.12 investment entities at beginning of year	2022-12-31	$0
Value of funds held in insurance company general accounts (unallocated contracts) at end of year	2022-12-31	$0
Value of funds held in insurance company general accounts (unallocated contracts) at beginning of year	2022-12-31	$0
Expenses. Payments to insurance carriers foe the provision of benefits	2022-12-31	$0
Asset value of US Government securities at end of year	2022-12-31	$0
Asset value of US Government securities at beginning of year	2022-12-31	$0
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2022-12-31	$-12,191,132
Net investment gain/loss from pooled separate accounts	2022-12-31	$0
Net investment gain or loss from common/collective trusts	2022-12-31	$-29,712
Net gain/loss from 103.12 investment entities	2022-12-31	$0
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2022-12-31	No
Was there a failure to transmit to the plan any participant contributions	2022-12-31	No
Has the plan failed to provide any benefit when due under the plan	2022-12-31	No
Assets. Invements in employer securities at end of year	2022-12-31	$0
Assets. Invements in employer securities at beginning of year	2022-12-31	$0
Assets. Value of employer real property at end of year	2022-12-31	$0
Assets. Value of employer real property at beginning of year	2022-12-31	$0
Contributions received in cash from employer	2022-12-31	$80,000
Employer contributions (assets) at end of year	2022-12-31	$80,000
Employer contributions (assets) at beginning of year	2022-12-31	$85,000
Income. Dividends from preferred stock	2022-12-31	$0
Income. Dividends from common stock	2022-12-31	$0
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2022-12-31	$3,254,862
Asset. Corporate debt instrument preferred debt at end of year	2022-12-31	$0
Asset. Corporate debt instrument preferred debt at beginning of year	2022-12-31	$0
Asset. Corporate debt instrument debt (other) at end of year	2022-12-31	$0
Asset. Corporate debt instrument debt (other) at beginning of year	2022-12-31	$0
Contract administrator fees	2022-12-31	$0
Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3	2022-12-31	No
Assets. Corporate common stocks other than exployer securities at end of year	2022-12-31	$0
Assets. Corporate common stocks other than exployer securities at beginning of year	2022-12-31	$0
Liabilities. Value of benefit claims payable at end of year	2022-12-31	$0
Liabilities. Value of benefit claims payable at beginning of year	2022-12-31	$0
Assets. Value of buildings and other operty used in plan operation at end of year	2022-12-31	$0
Assets. Value of buildings and other operty used in plan operation at beginning of year	2022-12-31	$0
Did the plan have assets held for investment	2022-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2022-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2022-12-31	No
Aggregate proceeds on sale of assets	2022-12-31	$0
Aggregate carrying amount (costs) on sale of assets	2022-12-31	$0
Liabilities. Value of acquisition indebtedness at end of year	2022-12-31	$0
Liabilities. Value of acquisition indebtedness at beginning of year	2022-12-31	$0
Opinion of an independent qualified public accountant for this plan	2022-12-31	Unqualified
Accountancy firm name	2022-12-31	MAZARS USA LLP
Accountancy firm EIN	2022-12-31	131459550
2021 : GREENHILL & CO., INC. 401(K) PROFIT SHARING PLAN 2021 401k financial data
Unrealized appreciation/depreciation of real estate assets	2021-12-31	$0
Unrealized appreciation/depreciation of other (non real estate) assets	2021-12-31	$0
Total unrealized appreciation/depreciation of assets	2021-12-31	$0
Total transfer of assets to this plan	2021-12-31	$0
Total transfer of assets from this plan	2021-12-31	$0
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2021-12-31	$0
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2021-12-31	$0
Expenses. Interest paid	2021-12-31	$0
Amount of participant contributions which was failed to transmit to the plan within the time period described in 29 CFR 251.3-102	2021-12-31	$0
Total income from all sources (including contributions)	2021-12-31	$12,258,209
Total loss/gain on sale of assets	2021-12-31	$0
Total of all expenses incurred	2021-12-31	$4,870,036
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2021-12-31	$4,812,879
Expenses. Certain deemed distributions of participant loans	2021-12-31	$0
Value of total corrective distributions	2021-12-31	$0
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2021-12-31	$3,092,153
Value of total assets at end of year	2021-12-31	$57,065,466
Value of total assets at beginning of year	2021-12-31	$49,677,293
Total of administrative expenses incurred including professional, contract, advisory and management fees	2021-12-31	$57,157
Total income from rents	2021-12-31	$0
Total interest from all sources	2021-12-31	$7,442
Total dividends received (eg from common stock, registered investment company shares)	2021-12-31	$2,454,472
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2021-12-31	No
Total dividends received from registered investment company shares (eg mutual funds)	2021-12-31	$2,454,472
Assets. Real estate other than employer real property at end of year	2021-12-31	$0
Assets. Real estate other than employer real property at beginning of year	2021-12-31	$0
Administrative expenses professional fees incurred	2021-12-31	$0
Assets. Corporate prefeered stocks other than exployer securities at end of year	2021-12-31	$0
Assets. Corporate prefeered stocks other than exployer securities at beginning of year	2021-12-31	$0
Was this plan covered by a fidelity bond	2021-12-31	Yes
Value of fidelity bond cover	2021-12-31	$1,500,000
If this is an individual account plan, was there a blackout period	2021-12-31	No
Were there any nonexempt tranactions with any party-in-interest	2021-12-31	No
Contributions received from participants	2021-12-31	$2,768,450
Participant contributions at end of year	2021-12-31	$178,659
Participant contributions at beginning of year	2021-12-31	$100,719
Participant contributions at end of year	2021-12-31	$0
Participant contributions at beginning of year	2021-12-31	$0
Assets. Other investments not covered elsewhere at end of year	2021-12-31	$0
Assets. Other investments not covered elsewhere at beginning of year	2021-12-31	$0
Income. Received or receivable in cash from other sources (including rollovers)	2021-12-31	$238,703
Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries)	2021-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at end of year	2021-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at beginning of year	2021-12-31	$0
Assets. Loans (other than to participants) at end of year	2021-12-31	$0
Assets. Loans (other than to participants) at beginning of year	2021-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year	2021-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year	2021-12-31	$0
Other income not declared elsewhere	2021-12-31	$0
Administrative expenses (other) incurred	2021-12-31	$48,132
Liabilities. Value of operating payables at end of year	2021-12-31	$0
Liabilities. Value of operating payables at beginning of year	2021-12-31	$0
Total non interest bearing cash at end of year	2021-12-31	$0
Total non interest bearing cash at beginning of year	2021-12-31	$0
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2021-12-31	No
Income. Non cash contributions	2021-12-31	$0
Value of net income/loss	2021-12-31	$7,388,173
Value of net assets at end of year (total assets less liabilities)	2021-12-31	$57,065,466
Value of net assets at beginning of year (total assets less liabilities)	2021-12-31	$49,677,293
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2021-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2021-12-31	No
Were any leases to which the plan was party in default or uncollectible	2021-12-31	No
Assets. partnership/joint venture interests at end of year	2021-12-31	$0
Assets. partnership/joint venture interests at beginning of year	2021-12-31	$0
Investment advisory and management fees	2021-12-31	$9,025
Value of interest in registered invesment companies (eg mutual funds) at end of year	2021-12-31	$55,811,933
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2021-12-31	$48,135,843
Value of interest in pooled separate accounts at end of year	2021-12-31	$0
Value of interest in pooled separate accounts at beginning of year	2021-12-31	$0
Interest on participant loans	2021-12-31	$7,350
Income. Interest from loans (other than to participants)	2021-12-31	$0
Interest earned on other investments	2021-12-31	$0
Income. Interest from US Government securities	2021-12-31	$0
Income. Interest from corporate debt instruments	2021-12-31	$0
Value of interest in master investment trust accounts at end of year	2021-12-31	$0
Value of interest in master investment trust accounts at beginning of year	2021-12-31	$0
Value of interest in common/collective trusts at end of year	2021-12-31	$269,036
Value of interest in common/collective trusts at beginning of year	2021-12-31	$164,576
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2021-12-31	$720,838
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2021-12-31	$1,185,155
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2021-12-31	$1,185,155
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2021-12-31	$92
Assets. Value of investments in 103.12 investment entities at end of year	2021-12-31	$0
Assets. Value of investments in 103.12 investment entities at beginning of year	2021-12-31	$0
Value of funds held in insurance company general accounts (unallocated contracts) at end of year	2021-12-31	$0
Value of funds held in insurance company general accounts (unallocated contracts) at beginning of year	2021-12-31	$0
Expenses. Payments to insurance carriers foe the provision of benefits	2021-12-31	$0
Asset value of US Government securities at end of year	2021-12-31	$0
Asset value of US Government securities at beginning of year	2021-12-31	$0
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2021-12-31	$6,702,685
Net investment gain/loss from pooled separate accounts	2021-12-31	$0
Net investment gain or loss from common/collective trusts	2021-12-31	$1,457
Net gain/loss from 103.12 investment entities	2021-12-31	$0
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2021-12-31	No
Was there a failure to transmit to the plan any participant contributions	2021-12-31	No
Has the plan failed to provide any benefit when due under the plan	2021-12-31	No
Assets. Invements in employer securities at end of year	2021-12-31	$0
Assets. Invements in employer securities at beginning of year	2021-12-31	$0
Assets. Value of employer real property at end of year	2021-12-31	$0
Assets. Value of employer real property at beginning of year	2021-12-31	$0
Contributions received in cash from employer	2021-12-31	$85,000
Employer contributions (assets) at end of year	2021-12-31	$85,000
Employer contributions (assets) at beginning of year	2021-12-31	$91,000
Income. Dividends from preferred stock	2021-12-31	$0
Income. Dividends from common stock	2021-12-31	$0
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2021-12-31	$4,812,879
Asset. Corporate debt instrument preferred debt at end of year	2021-12-31	$0
Asset. Corporate debt instrument preferred debt at beginning of year	2021-12-31	$0
Asset. Corporate debt instrument debt (other) at end of year	2021-12-31	$0
Asset. Corporate debt instrument debt (other) at beginning of year	2021-12-31	$0
Contract administrator fees	2021-12-31	$0
Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3	2021-12-31	No
Assets. Corporate common stocks other than exployer securities at end of year	2021-12-31	$0
Assets. Corporate common stocks other than exployer securities at beginning of year	2021-12-31	$0
Liabilities. Value of benefit claims payable at end of year	2021-12-31	$0
Liabilities. Value of benefit claims payable at beginning of year	2021-12-31	$0
Assets. Value of buildings and other operty used in plan operation at end of year	2021-12-31	$0
Assets. Value of buildings and other operty used in plan operation at beginning of year	2021-12-31	$0
Did the plan have assets held for investment	2021-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2021-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2021-12-31	No
Aggregate proceeds on sale of assets	2021-12-31	$0
Aggregate carrying amount (costs) on sale of assets	2021-12-31	$0
Liabilities. Value of acquisition indebtedness at end of year	2021-12-31	$0
Liabilities. Value of acquisition indebtedness at beginning of year	2021-12-31	$0
Opinion of an independent qualified public accountant for this plan	2021-12-31	Unqualified
Accountancy firm name	2021-12-31	MAZARS USA LLP
Accountancy firm EIN	2021-12-31	131459550
2020 : GREENHILL & CO., INC. 401(K) PROFIT SHARING PLAN 2020 401k financial data
Unrealized appreciation/depreciation of real estate assets	2020-12-31	$0
Unrealized appreciation/depreciation of other (non real estate) assets	2020-12-31	$0
Total unrealized appreciation/depreciation of assets	2020-12-31	$0
Total transfer of assets to this plan	2020-12-31	$0
Total transfer of assets from this plan	2020-12-31	$0
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2020-12-31	$0
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2020-12-31	$0
Expenses. Interest paid	2020-12-31	$0
Amount of participant contributions which was failed to transmit to the plan within the time period described in 29 CFR 251.3-102	2020-12-31	$0
Total income from all sources (including contributions)	2020-12-31	$10,543,928
Total loss/gain on sale of assets	2020-12-31	$0
Total of all expenses incurred	2020-12-31	$7,220,847
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2020-12-31	$7,158,121
Expenses. Certain deemed distributions of participant loans	2020-12-31	$0
Value of total corrective distributions	2020-12-31	$0
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2020-12-31	$3,387,354
Value of total assets at end of year	2020-12-31	$49,677,293
Value of total assets at beginning of year	2020-12-31	$46,354,212
Total of administrative expenses incurred including professional, contract, advisory and management fees	2020-12-31	$62,726
Total income from rents	2020-12-31	$0
Total interest from all sources	2020-12-31	$10,731
Total dividends received (eg from common stock, registered investment company shares)	2020-12-31	$1,788,120
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2020-12-31	No
Total dividends received from registered investment company shares (eg mutual funds)	2020-12-31	$1,788,120
Assets. Real estate other than employer real property at end of year	2020-12-31	$0
Assets. Real estate other than employer real property at beginning of year	2020-12-31	$0
Administrative expenses professional fees incurred	2020-12-31	$0
Assets. Corporate prefeered stocks other than exployer securities at end of year	2020-12-31	$0
Assets. Corporate prefeered stocks other than exployer securities at beginning of year	2020-12-31	$0
Was this plan covered by a fidelity bond	2020-12-31	Yes
Value of fidelity bond cover	2020-12-31	$1,000,000
If this is an individual account plan, was there a blackout period	2020-12-31	No
Were there any nonexempt tranactions with any party-in-interest	2020-12-31	No
Contributions received from participants	2020-12-31	$3,083,570
Participant contributions at end of year	2020-12-31	$100,719
Participant contributions at beginning of year	2020-12-31	$140,291
Participant contributions at end of year	2020-12-31	$0
Participant contributions at beginning of year	2020-12-31	$0
Assets. Other investments not covered elsewhere at end of year	2020-12-31	$0
Assets. Other investments not covered elsewhere at beginning of year	2020-12-31	$0
Income. Received or receivable in cash from other sources (including rollovers)	2020-12-31	$212,784
Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries)	2020-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at end of year	2020-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at beginning of year	2020-12-31	$0
Assets. Loans (other than to participants) at end of year	2020-12-31	$0
Assets. Loans (other than to participants) at beginning of year	2020-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year	2020-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year	2020-12-31	$0
Other income not declared elsewhere	2020-12-31	$0
Administrative expenses (other) incurred	2020-12-31	$54,853
Liabilities. Value of operating payables at end of year	2020-12-31	$0
Liabilities. Value of operating payables at beginning of year	2020-12-31	$0
Total non interest bearing cash at end of year	2020-12-31	$0
Total non interest bearing cash at beginning of year	2020-12-31	$0
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2020-12-31	No
Income. Non cash contributions	2020-12-31	$0
Value of net income/loss	2020-12-31	$3,323,081
Value of net assets at end of year (total assets less liabilities)	2020-12-31	$49,677,293
Value of net assets at beginning of year (total assets less liabilities)	2020-12-31	$46,354,212
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2020-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2020-12-31	No
Were any leases to which the plan was party in default or uncollectible	2020-12-31	No
Assets. partnership/joint venture interests at end of year	2020-12-31	$0
Assets. partnership/joint venture interests at beginning of year	2020-12-31	$0
Investment advisory and management fees	2020-12-31	$7,873
Value of interest in registered invesment companies (eg mutual funds) at end of year	2020-12-31	$48,135,843
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2020-12-31	$44,561,544
Value of interest in pooled separate accounts at end of year	2020-12-31	$0
Value of interest in pooled separate accounts at beginning of year	2020-12-31	$0
Interest on participant loans	2020-12-31	$7,710
Income. Interest from loans (other than to participants)	2020-12-31	$0
Interest earned on other investments	2020-12-31	$0
Income. Interest from US Government securities	2020-12-31	$0
Income. Interest from corporate debt instruments	2020-12-31	$0
Value of interest in master investment trust accounts at end of year	2020-12-31	$0
Value of interest in master investment trust accounts at beginning of year	2020-12-31	$0
Value of interest in common/collective trusts at end of year	2020-12-31	$164,576
Value of interest in common/collective trusts at beginning of year	2020-12-31	$172,610
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2020-12-31	$1,185,155
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2020-12-31	$1,336,767
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2020-12-31	$1,336,767
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2020-12-31	$3,021
Assets. Value of investments in 103.12 investment entities at end of year	2020-12-31	$0
Assets. Value of investments in 103.12 investment entities at beginning of year	2020-12-31	$0
Value of funds held in insurance company general accounts (unallocated contracts) at end of year	2020-12-31	$0
Value of funds held in insurance company general accounts (unallocated contracts) at beginning of year	2020-12-31	$0
Expenses. Payments to insurance carriers foe the provision of benefits	2020-12-31	$0
Asset value of US Government securities at end of year	2020-12-31	$0
Asset value of US Government securities at beginning of year	2020-12-31	$0
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2020-12-31	$5,355,304
Net investment gain/loss from pooled separate accounts	2020-12-31	$0
Net investment gain or loss from common/collective trusts	2020-12-31	$2,419
Net gain/loss from 103.12 investment entities	2020-12-31	$0
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2020-12-31	No
Was there a failure to transmit to the plan any participant contributions	2020-12-31	No
Has the plan failed to provide any benefit when due under the plan	2020-12-31	No
Assets. Invements in employer securities at end of year	2020-12-31	$0
Assets. Invements in employer securities at beginning of year	2020-12-31	$0
Assets. Value of employer real property at end of year	2020-12-31	$0
Assets. Value of employer real property at beginning of year	2020-12-31	$0
Contributions received in cash from employer	2020-12-31	$91,000
Employer contributions (assets) at end of year	2020-12-31	$91,000
Employer contributions (assets) at beginning of year	2020-12-31	$143,000
Income. Dividends from preferred stock	2020-12-31	$0
Income. Dividends from common stock	2020-12-31	$0
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2020-12-31	$7,158,121
Asset. Corporate debt instrument preferred debt at end of year	2020-12-31	$0
Asset. Corporate debt instrument preferred debt at beginning of year	2020-12-31	$0
Asset. Corporate debt instrument debt (other) at end of year	2020-12-31	$0
Asset. Corporate debt instrument debt (other) at beginning of year	2020-12-31	$0
Contract administrator fees	2020-12-31	$0
Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3	2020-12-31	No
Assets. Corporate common stocks other than exployer securities at end of year	2020-12-31	$0
Assets. Corporate common stocks other than exployer securities at beginning of year	2020-12-31	$0
Liabilities. Value of benefit claims payable at end of year	2020-12-31	$0
Liabilities. Value of benefit claims payable at beginning of year	2020-12-31	$0
Assets. Value of buildings and other operty used in plan operation at end of year	2020-12-31	$0
Assets. Value of buildings and other operty used in plan operation at beginning of year	2020-12-31	$0
Did the plan have assets held for investment	2020-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2020-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2020-12-31	No
Aggregate proceeds on sale of assets	2020-12-31	$0
Aggregate carrying amount (costs) on sale of assets	2020-12-31	$0
Liabilities. Value of acquisition indebtedness at end of year	2020-12-31	$0
Liabilities. Value of acquisition indebtedness at beginning of year	2020-12-31	$0
Opinion of an independent qualified public accountant for this plan	2020-12-31	Disclaimer
Accountancy firm name	2020-12-31	MAZARS USA LLP
Accountancy firm EIN	2020-12-31	131459550
2019 : GREENHILL & CO., INC. 401(K) PROFIT SHARING PLAN 2019 401k financial data
Unrealized appreciation/depreciation of real estate assets	2019-12-31	$0
Unrealized appreciation/depreciation of real estate assets	2019-12-31	$0
Unrealized appreciation/depreciation of other (non real estate) assets	2019-12-31	$0
Unrealized appreciation/depreciation of other (non real estate) assets	2019-12-31	$0
Total unrealized appreciation/depreciation of assets	2019-12-31	$0
Total unrealized appreciation/depreciation of assets	2019-12-31	$0
Total transfer of assets to this plan	2019-12-31	$0
Total transfer of assets to this plan	2019-12-31	$0
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2019-12-31	$0
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2019-12-31	$0
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2019-12-31	$0
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2019-12-31	$0
Expenses. Interest paid	2019-12-31	$0
Amount of participant contributions which was failed to transmit to the plan within the time period described in 29 CFR 251.3-102	2019-12-31	$0
Expenses. Interest paid	2019-12-31	$0
Amount of participant contributions which was failed to transmit to the plan within the time period described in 29 CFR 251.3-102	2019-12-31	$0
Total income from all sources (including contributions)	2019-12-31	$13,475,372
Total income from all sources (including contributions)	2019-12-31	$13,475,372
Total loss/gain on sale of assets	2019-12-31	$0
Total of all expenses incurred	2019-12-31	$2,563,457
Total of all expenses incurred	2019-12-31	$2,563,457
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2019-12-31	$2,478,958
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2019-12-31	$2,478,958
Expenses. Certain deemed distributions of participant loans	2019-12-31	$0
Expenses. Certain deemed distributions of participant loans	2019-12-31	$0
Value of total corrective distributions	2019-12-31	$0
Value of total corrective distributions	2019-12-31	$0
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2019-12-31	$4,374,418
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2019-12-31	$4,374,418
Value of total assets at end of year	2019-12-31	$46,354,212
Value of total assets at end of year	2019-12-31	$46,354,212
Value of total assets at beginning of year	2019-12-31	$35,442,297
Total of administrative expenses incurred including professional, contract, advisory and management fees	2019-12-31	$84,499
Total of administrative expenses incurred including professional, contract, advisory and management fees	2019-12-31	$84,499
Total income from rents	2019-12-31	$0
Total interest from all sources	2019-12-31	$33,665
Total interest from all sources	2019-12-31	$33,665
Total dividends received (eg from common stock, registered investment company shares)	2019-12-31	$1,785,221
Total dividends received (eg from common stock, registered investment company shares)	2019-12-31	$1,785,221
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2019-12-31	No
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2019-12-31	No
Total dividends received from registered investment company shares (eg mutual funds)	2019-12-31	$1,785,221
Total dividends received from registered investment company shares (eg mutual funds)	2019-12-31	$1,785,221
Assets. Real estate other than employer real property at end of year	2019-12-31	$0
Assets. Real estate other than employer real property at beginning of year	2019-12-31	$0
Assets. Real estate other than employer real property at beginning of year	2019-12-31	$0
Administrative expenses professional fees incurred	2019-12-31	$0
Administrative expenses professional fees incurred	2019-12-31	$0
Assets. Corporate prefeered stocks other than exployer securities at end of year	2019-12-31	$0
Assets. Corporate prefeered stocks other than exployer securities at beginning of year	2019-12-31	$0
Assets. Corporate prefeered stocks other than exployer securities at beginning of year	2019-12-31	$0
Was this plan covered by a fidelity bond	2019-12-31	Yes
Was this plan covered by a fidelity bond	2019-12-31	Yes
Value of fidelity bond cover	2019-12-31	$1,000,000
Value of fidelity bond cover	2019-12-31	$1,000,000
If this is an individual account plan, was there a blackout period	2019-12-31	No
If this is an individual account plan, was there a blackout period	2019-12-31	No
Were there any nonexempt tranactions with any party-in-interest	2019-12-31	No
Were there any nonexempt tranactions with any party-in-interest	2019-12-31	No
Contributions received from participants	2019-12-31	$2,717,248
Contributions received from participants	2019-12-31	$2,717,248
Participant contributions at end of year	2019-12-31	$140,291
Participant contributions at end of year	2019-12-31	$140,291
Participant contributions at beginning of year	2019-12-31	$139,480
Participant contributions at beginning of year	2019-12-31	$139,480
Participant contributions at end of year	2019-12-31	$0
Participant contributions at end of year	2019-12-31	$0
Participant contributions at beginning of year	2019-12-31	$3,373
Participant contributions at beginning of year	2019-12-31	$3,373
Assets. Other investments not covered elsewhere at end of year	2019-12-31	$0
Assets. Other investments not covered elsewhere at end of year	2019-12-31	$0
Assets. Other investments not covered elsewhere at beginning of year	2019-12-31	$0
Assets. Other investments not covered elsewhere at beginning of year	2019-12-31	$0
Income. Received or receivable in cash from other sources (including rollovers)	2019-12-31	$1,477,170
Income. Received or receivable in cash from other sources (including rollovers)	2019-12-31	$1,477,170
Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries)	2019-12-31	$0
Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries)	2019-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at end of year	2019-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at beginning of year	2019-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at beginning of year	2019-12-31	$0
Assets. Loans (other than to participants) at end of year	2019-12-31	$0
Assets. Loans (other than to participants) at end of year	2019-12-31	$0
Assets. Loans (other than to participants) at beginning of year	2019-12-31	$0
Assets. Loans (other than to participants) at beginning of year	2019-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year	2019-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year	2019-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year	2019-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year	2019-12-31	$0
Other income not declared elsewhere	2019-12-31	$0
Other income not declared elsewhere	2019-12-31	$0
Administrative expenses (other) incurred	2019-12-31	$77,391
Administrative expenses (other) incurred	2019-12-31	$77,391
Liabilities. Value of operating payables at end of year	2019-12-31	$0
Liabilities. Value of operating payables at end of year	2019-12-31	$0
Liabilities. Value of operating payables at beginning of year	2019-12-31	$0
Liabilities. Value of operating payables at beginning of year	2019-12-31	$0
Total non interest bearing cash at end of year	2019-12-31	$0
Total non interest bearing cash at end of year	2019-12-31	$0
Total non interest bearing cash at beginning of year	2019-12-31	$0
Total non interest bearing cash at beginning of year	2019-12-31	$0
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2019-12-31	No
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2019-12-31	No
Income. Non cash contributions	2019-12-31	$0
Income. Non cash contributions	2019-12-31	$0
Value of net income/loss	2019-12-31	$10,911,915
Value of net income/loss	2019-12-31	$10,911,915
Value of net assets at end of year (total assets less liabilities)	2019-12-31	$46,354,212
Value of net assets at end of year (total assets less liabilities)	2019-12-31	$46,354,212
Value of net assets at beginning of year (total assets less liabilities)	2019-12-31	$35,442,297
Value of net assets at beginning of year (total assets less liabilities)	2019-12-31	$35,442,297
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2019-12-31	No
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2019-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2019-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2019-12-31	No
Were any leases to which the plan was party in default or uncollectible	2019-12-31	No
Were any leases to which the plan was party in default or uncollectible	2019-12-31	No
Assets. partnership/joint venture interests at end of year	2019-12-31	$0
Assets. partnership/joint venture interests at beginning of year	2019-12-31	$0
Assets. partnership/joint venture interests at beginning of year	2019-12-31	$0
Investment advisory and management fees	2019-12-31	$7,108
Investment advisory and management fees	2019-12-31	$7,108
Value of interest in registered invesment companies (eg mutual funds) at end of year	2019-12-31	$44,561,544
Value of interest in registered invesment companies (eg mutual funds) at end of year	2019-12-31	$44,561,544
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2019-12-31	$33,256,565
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2019-12-31	$33,256,565
Value of interest in pooled separate accounts at end of year	2019-12-31	$0
Value of interest in pooled separate accounts at beginning of year	2019-12-31	$0
Value of interest in pooled separate accounts at beginning of year	2019-12-31	$0
Interest on participant loans	2019-12-31	$7,930
Interest on participant loans	2019-12-31	$7,930
Income. Interest from loans (other than to participants)	2019-12-31	$0
Income. Interest from loans (other than to participants)	2019-12-31	$0
Interest earned on other investments	2019-12-31	$0
Interest earned on other investments	2019-12-31	$0
Income. Interest from US Government securities	2019-12-31	$0
Income. Interest from US Government securities	2019-12-31	$0
Income. Interest from corporate debt instruments	2019-12-31	$0
Income. Interest from corporate debt instruments	2019-12-31	$0
Value of interest in master investment trust accounts at end of year	2019-12-31	$0
Value of interest in master investment trust accounts at end of year	2019-12-31	$0
Value of interest in master investment trust accounts at beginning of year	2019-12-31	$0
Value of interest in master investment trust accounts at beginning of year	2019-12-31	$0
Value of interest in common/collective trusts at end of year	2019-12-31	$172,610
Value of interest in common/collective trusts at beginning of year	2019-12-31	$283,805
Value of interest in common/collective trusts at beginning of year	2019-12-31	$283,805
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2019-12-31	$1,336,767
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2019-12-31	$1,336,767
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2019-12-31	$1,659,074
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2019-12-31	$1,659,074
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2019-12-31	$25,735
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2019-12-31	$25,735
Assets. Value of investments in 103.12 investment entities at end of year	2019-12-31	$0
Assets. Value of investments in 103.12 investment entities at end of year	2019-12-31	$0
Assets. Value of investments in 103.12 investment entities at beginning of year	2019-12-31	$0
Assets. Value of investments in 103.12 investment entities at beginning of year	2019-12-31	$0
Expenses. Payments to insurance carriers foe the provision of benefits	2019-12-31	$0
Expenses. Payments to insurance carriers foe the provision of benefits	2019-12-31	$0
Asset value of US Government securities at end of year	2019-12-31	$0
Asset value of US Government securities at end of year	2019-12-31	$0
Asset value of US Government securities at beginning of year	2019-12-31	$0
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2019-12-31	$7,278,235
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2019-12-31	$7,278,235
Net investment gain/loss from pooled separate accounts	2019-12-31	$0
Net investment gain/loss from pooled separate accounts	2019-12-31	$0
Net investment gain or loss from common/collective trusts	2019-12-31	$3,833
Net investment gain or loss from common/collective trusts	2019-12-31	$3,833
Net gain/loss from 103.12 investment entities	2019-12-31	$0
Net gain/loss from 103.12 investment entities	2019-12-31	$0
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2019-12-31	No
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2019-12-31	No
Was there a failure to transmit to the plan any participant contributions	2019-12-31	No
Was there a failure to transmit to the plan any participant contributions	2019-12-31	No
Has the plan failed to provide any benefit when due under the plan	2019-12-31	No
Has the plan failed to provide any benefit when due under the plan	2019-12-31	No
Assets. Invements in employer securities at end of year	2019-12-31	$0
Assets. Invements in employer securities at end of year	2019-12-31	$0
Assets. Invements in employer securities at beginning of year	2019-12-31	$0
Assets. Invements in employer securities at beginning of year	2019-12-31	$0
Assets. Value of employer real property at end of year	2019-12-31	$0
Assets. Value of employer real property at end of year	2019-12-31	$0
Assets. Value of employer real property at beginning of year	2019-12-31	$0
Contributions received in cash from employer	2019-12-31	$180,000
Contributions received in cash from employer	2019-12-31	$180,000
Employer contributions (assets) at end of year	2019-12-31	$143,000
Employer contributions (assets) at end of year	2019-12-31	$143,000
Employer contributions (assets) at beginning of year	2019-12-31	$100,000
Employer contributions (assets) at beginning of year	2019-12-31	$100,000
Income. Dividends from preferred stock	2019-12-31	$0
Income. Dividends from preferred stock	2019-12-31	$0
Income. Dividends from common stock	2019-12-31	$0
Income. Dividends from common stock	2019-12-31	$0
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2019-12-31	$2,478,958
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2019-12-31	$2,478,958
Asset. Corporate debt instrument preferred debt at end of year	2019-12-31	$0
Asset. Corporate debt instrument preferred debt at end of year	2019-12-31	$0
Asset. Corporate debt instrument preferred debt at beginning of year	2019-12-31	$0
Asset. Corporate debt instrument preferred debt at beginning of year	2019-12-31	$0
Asset. Corporate debt instrument debt (other) at end of year	2019-12-31	$0
Asset. Corporate debt instrument debt (other) at end of year	2019-12-31	$0
Asset. Corporate debt instrument debt (other) at beginning of year	2019-12-31	$0
Asset. Corporate debt instrument debt (other) at beginning of year	2019-12-31	$0
Contract administrator fees	2019-12-31	$0
Contract administrator fees	2019-12-31	$0
Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3	2019-12-31	No
Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3	2019-12-31	No
Assets. Corporate common stocks other than exployer securities at end of year	2019-12-31	$0
Assets. Corporate common stocks other than exployer securities at beginning of year	2019-12-31	$0
Assets. Corporate common stocks other than exployer securities at beginning of year	2019-12-31	$0
Liabilities. Value of benefit claims payable at end of year	2019-12-31	$0
Liabilities. Value of benefit claims payable at end of year	2019-12-31	$0
Liabilities. Value of benefit claims payable at beginning of year	2019-12-31	$0
Liabilities. Value of benefit claims payable at beginning of year	2019-12-31	$0
Assets. Value of buildings and other operty used in plan operation at end of year	2019-12-31	$0
Assets. Value of buildings and other operty used in plan operation at end of year	2019-12-31	$0
Assets. Value of buildings and other operty used in plan operation at beginning of year	2019-12-31	$0
Assets. Value of buildings and other operty used in plan operation at beginning of year	2019-12-31	$0
Did the plan have assets held for investment	2019-12-31	Yes
Did the plan have assets held for investment	2019-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2019-12-31	No
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2019-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2019-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2019-12-31	No
Aggregate proceeds on sale of assets	2019-12-31	$0
Aggregate carrying amount (costs) on sale of assets	2019-12-31	$0
Aggregate carrying amount (costs) on sale of assets	2019-12-31	$0
Liabilities. Value of acquisition indebtedness at end of year	2019-12-31	$0
Liabilities. Value of acquisition indebtedness at end of year	2019-12-31	$0
Liabilities. Value of acquisition indebtedness at beginning of year	2019-12-31	$0
Liabilities. Value of acquisition indebtedness at beginning of year	2019-12-31	$0
Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d)	2019-12-31	Yes
Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d)	2019-12-31	Yes
Opinion of an independent qualified public accountant for this plan	2019-12-31	Disclaimer
Opinion of an independent qualified public accountant for this plan	2019-12-31	Disclaimer
Accountancy firm name	2019-12-31	MAZARS USA LLP
Accountancy firm name	2019-12-31	MAZARS USA LLP
Accountancy firm EIN	2019-12-31	131459550
Accountancy firm EIN	2019-12-31	131459550
2018 : GREENHILL & CO., INC. 401(K) PROFIT SHARING PLAN 2018 401k financial data
Unrealized appreciation/depreciation of real estate assets	2018-12-31	$0
Unrealized appreciation/depreciation of other (non real estate) assets	2018-12-31	$0
Total unrealized appreciation/depreciation of assets	2018-12-31	$0
Total transfer of assets to this plan	2018-12-31	$10,575,597
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2018-12-31	$0
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2018-12-31	$0
Expenses. Interest paid	2018-12-31	$0
Amount of participant contributions which was failed to transmit to the plan within the time period described in 29 CFR 251.3-102	2018-12-31	$0
Total income from all sources (including contributions)	2018-12-31	$-210,342
Total loss/gain on sale of assets	2018-12-31	$0
Total of all expenses incurred	2018-12-31	$6,054,267
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2018-12-31	$5,943,129
Expenses. Certain deemed distributions of participant loans	2018-12-31	$0
Value of total corrective distributions	2018-12-31	$29,076
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2018-12-31	$2,394,522
Value of total assets at end of year	2018-12-31	$35,442,297
Value of total assets at beginning of year	2018-12-31	$31,131,309
Total of administrative expenses incurred including professional, contract, advisory and management fees	2018-12-31	$82,062
Total income from rents	2018-12-31	$0
Total interest from all sources	2018-12-31	$27,797
Total dividends received (eg from common stock, registered investment company shares)	2018-12-31	$1,739,417
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2018-12-31	No
Total dividends received from registered investment company shares (eg mutual funds)	2018-12-31	$1,739,417
Assets. Real estate other than employer real property at end of year	2018-12-31	$0
Assets. Real estate other than employer real property at beginning of year	2018-12-31	$0
Administrative expenses professional fees incurred	2018-12-31	$0
Assets. Corporate prefeered stocks other than exployer securities at end of year	2018-12-31	$0
Assets. Corporate prefeered stocks other than exployer securities at beginning of year	2018-12-31	$0
Was this plan covered by a fidelity bond	2018-12-31	Yes
Value of fidelity bond cover	2018-12-31	$1,000,000
If this is an individual account plan, was there a blackout period	2018-12-31	No
Were there any nonexempt tranactions with any party-in-interest	2018-12-31	No
Contributions received from participants	2018-12-31	$2,200,339
Participant contributions at end of year	2018-12-31	$139,480
Participant contributions at beginning of year	2018-12-31	$159,560
Participant contributions at end of year	2018-12-31	$3,373
Participant contributions at beginning of year	2018-12-31	$0
Assets. Other investments not covered elsewhere at end of year	2018-12-31	$0
Assets. Other investments not covered elsewhere at beginning of year	2018-12-31	$0
Income. Received or receivable in cash from other sources (including rollovers)	2018-12-31	$94,183
Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries)	2018-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at end of year	2018-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at beginning of year	2018-12-31	$0
Assets. Loans (other than to participants) at end of year	2018-12-31	$0
Assets. Loans (other than to participants) at beginning of year	2018-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year	2018-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year	2018-12-31	$0
Other income not declared elsewhere	2018-12-31	$0
Administrative expenses (other) incurred	2018-12-31	$78,633
Liabilities. Value of operating payables at end of year	2018-12-31	$0
Liabilities. Value of operating payables at beginning of year	2018-12-31	$0
Total non interest bearing cash at end of year	2018-12-31	$0
Total non interest bearing cash at beginning of year	2018-12-31	$0
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2018-12-31	No
Income. Non cash contributions	2018-12-31	$0
Value of net income/loss	2018-12-31	$-6,264,609
Value of net assets at end of year (total assets less liabilities)	2018-12-31	$35,442,297
Value of net assets at beginning of year (total assets less liabilities)	2018-12-31	$31,131,309
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2018-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2018-12-31	No
Were any leases to which the plan was party in default or uncollectible	2018-12-31	No
Assets. partnership/joint venture interests at end of year	2018-12-31	$0
Assets. partnership/joint venture interests at beginning of year	2018-12-31	$0
Investment advisory and management fees	2018-12-31	$3,429
Value of interest in registered invesment companies (eg mutual funds) at end of year	2018-12-31	$33,256,565
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2018-12-31	$29,557,374
Value of interest in pooled separate accounts at end of year	2018-12-31	$0
Value of interest in pooled separate accounts at beginning of year	2018-12-31	$0
Interest on participant loans	2018-12-31	$7,486
Income. Interest from loans (other than to participants)	2018-12-31	$0
Interest earned on other investments	2018-12-31	$0
Income. Interest from US Government securities	2018-12-31	$0
Income. Interest from corporate debt instruments	2018-12-31	$0
Value of interest in master investment trust accounts at end of year	2018-12-31	$0
Value of interest in master investment trust accounts at beginning of year	2018-12-31	$0
Value of interest in common/collective trusts at end of year	2018-12-31	$283,805
Value of interest in common/collective trusts at beginning of year	2018-12-31	$66,076
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2018-12-31	$1,659,074
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2018-12-31	$1,198,299
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2018-12-31	$1,198,299
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2018-12-31	$20,311
Assets. Value of investments in 103.12 investment entities at end of year	2018-12-31	$0
Assets. Value of investments in 103.12 investment entities at beginning of year	2018-12-31	$0
Expenses. Payments to insurance carriers foe the provision of benefits	2018-12-31	$0
Asset value of US Government securities at end of year	2018-12-31	$0
Asset value of US Government securities at beginning of year	2018-12-31	$0
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2018-12-31	$-4,373,871
Net investment gain/loss from pooled separate accounts	2018-12-31	$0
Net investment gain or loss from common/collective trusts	2018-12-31	$1,793
Net gain/loss from 103.12 investment entities	2018-12-31	$0
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2018-12-31	No
Was there a failure to transmit to the plan any participant contributions	2018-12-31	No
Has the plan failed to provide any benefit when due under the plan	2018-12-31	No
Assets. Invements in employer securities at end of year	2018-12-31	$0
Assets. Invements in employer securities at beginning of year	2018-12-31	$0
Assets. Value of employer real property at end of year	2018-12-31	$0
Assets. Value of employer real property at beginning of year	2018-12-31	$0
Contributions received in cash from employer	2018-12-31	$100,000
Employer contributions (assets) at end of year	2018-12-31	$100,000
Employer contributions (assets) at beginning of year	2018-12-31	$150,000
Income. Dividends from preferred stock	2018-12-31	$0
Income. Dividends from common stock	2018-12-31	$0
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2018-12-31	$5,943,129
Asset. Corporate debt instrument preferred debt at end of year	2018-12-31	$0
Asset. Corporate debt instrument preferred debt at beginning of year	2018-12-31	$0
Asset. Corporate debt instrument debt (other) at end of year	2018-12-31	$0
Asset. Corporate debt instrument debt (other) at beginning of year	2018-12-31	$0
Contract administrator fees	2018-12-31	$0
Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3	2018-12-31	No
Assets. Corporate common stocks other than exployer securities at end of year	2018-12-31	$0
Assets. Corporate common stocks other than exployer securities at beginning of year	2018-12-31	$0
Liabilities. Value of benefit claims payable at end of year	2018-12-31	$0
Liabilities. Value of benefit claims payable at beginning of year	2018-12-31	$0
Assets. Value of buildings and other operty used in plan operation at end of year	2018-12-31	$0
Assets. Value of buildings and other operty used in plan operation at beginning of year	2018-12-31	$0
Did the plan have assets held for investment	2018-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2018-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2018-12-31	No
Aggregate proceeds on sale of assets	2018-12-31	$0
Aggregate carrying amount (costs) on sale of assets	2018-12-31	$0
Liabilities. Value of acquisition indebtedness at end of year	2018-12-31	$0
Liabilities. Value of acquisition indebtedness at beginning of year	2018-12-31	$0
Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d)	2018-12-31	Yes
Opinion of an independent qualified public accountant for this plan	2018-12-31	Disclaimer
Accountancy firm name	2018-12-31	MAZARS USA LLP
Accountancy firm EIN	2018-12-31	131459550
2017 : GREENHILL & CO., INC. 401(K) PROFIT SHARING PLAN 2017 401k financial data
Unrealized appreciation/depreciation of real estate assets	2017-12-31	$0
Unrealized appreciation/depreciation of other (non real estate) assets	2017-12-31	$0
Total unrealized appreciation/depreciation of assets	2017-12-31	$0
Total transfer of assets to this plan	2017-12-31	$0
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2017-12-31	$0
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2017-12-31	$0
Expenses. Interest paid	2017-12-31	$0
Amount of participant contributions which was failed to transmit to the plan within the time period described in 29 CFR 251.3-102	2017-12-31	$0
Total income from all sources (including contributions)	2017-12-31	$8,243,870
Total loss/gain on sale of assets	2017-12-31	$0
Total of all expenses incurred	2017-12-31	$1,045,864
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2017-12-31	$987,675
Expenses. Certain deemed distributions of participant loans	2017-12-31	$0
Value of total corrective distributions	2017-12-31	$0
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2017-12-31	$3,278,177
Value of total assets at end of year	2017-12-31	$31,131,309
Value of total assets at beginning of year	2017-12-31	$23,933,303
Total of administrative expenses incurred including professional, contract, advisory and management fees	2017-12-31	$58,189
Total income from rents	2017-12-31	$0
Total interest from all sources	2017-12-31	$15,098
Total dividends received (eg from common stock, registered investment company shares)	2017-12-31	$1,099,747
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2017-12-31	No
Total dividends received from registered investment company shares (eg mutual funds)	2017-12-31	$1,099,747
Assets. Real estate other than employer real property at end of year	2017-12-31	$0
Assets. Real estate other than employer real property at beginning of year	2017-12-31	$0
Administrative expenses professional fees incurred	2017-12-31	$0
Assets. Corporate prefeered stocks other than exployer securities at end of year	2017-12-31	$0
Assets. Corporate prefeered stocks other than exployer securities at beginning of year	2017-12-31	$0
Was this plan covered by a fidelity bond	2017-12-31	Yes
Value of fidelity bond cover	2017-12-31	$1,000,000
If this is an individual account plan, was there a blackout period	2017-12-31	No
Were there any nonexempt tranactions with any party-in-interest	2017-12-31	No
Contributions received from participants	2017-12-31	$2,042,003
Participant contributions at end of year	2017-12-31	$159,560
Participant contributions at beginning of year	2017-12-31	$251,367
Participant contributions at end of year	2017-12-31	$0
Participant contributions at beginning of year	2017-12-31	$0
Assets. Other investments not covered elsewhere at end of year	2017-12-31	$0
Assets. Other investments not covered elsewhere at beginning of year	2017-12-31	$0
Income. Received or receivable in cash from other sources (including rollovers)	2017-12-31	$936,093
Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries)	2017-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at end of year	2017-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at beginning of year	2017-12-31	$0
Assets. Loans (other than to participants) at end of year	2017-12-31	$0
Assets. Loans (other than to participants) at beginning of year	2017-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year	2017-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year	2017-12-31	$0
Other income not declared elsewhere	2017-12-31	$0
Administrative expenses (other) incurred	2017-12-31	$56,151
Liabilities. Value of operating payables at end of year	2017-12-31	$0
Liabilities. Value of operating payables at beginning of year	2017-12-31	$0
Total non interest bearing cash at end of year	2017-12-31	$0
Total non interest bearing cash at beginning of year	2017-12-31	$0
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2017-12-31	No
Income. Non cash contributions	2017-12-31	$0
Value of net income/loss	2017-12-31	$7,198,006
Value of net assets at end of year (total assets less liabilities)	2017-12-31	$31,131,309
Value of net assets at beginning of year (total assets less liabilities)	2017-12-31	$23,933,303
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2017-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2017-12-31	No
Were any leases to which the plan was party in default or uncollectible	2017-12-31	No
Assets. partnership/joint venture interests at end of year	2017-12-31	$0
Assets. partnership/joint venture interests at beginning of year	2017-12-31	$0
Investment advisory and management fees	2017-12-31	$2,038
Value of interest in registered invesment companies (eg mutual funds) at end of year	2017-12-31	$29,557,374
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2017-12-31	$22,327,170
Value of interest in pooled separate accounts at end of year	2017-12-31	$0
Value of interest in pooled separate accounts at beginning of year	2017-12-31	$0
Interest on participant loans	2017-12-31	$8,310
Income. Interest from loans (other than to participants)	2017-12-31	$0
Interest earned on other investments	2017-12-31	$0
Income. Interest from US Government securities	2017-12-31	$0
Income. Interest from corporate debt instruments	2017-12-31	$0
Value of interest in master investment trust accounts at end of year	2017-12-31	$0
Value of interest in master investment trust accounts at beginning of year	2017-12-31	$0
Value of interest in common/collective trusts at end of year	2017-12-31	$66,076
Value of interest in common/collective trusts at beginning of year	2017-12-31	$0
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2017-12-31	$1,198,299
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2017-12-31	$1,214,766
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2017-12-31	$1,214,766
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2017-12-31	$6,788
Assets. Value of investments in 103.12 investment entities at end of year	2017-12-31	$0
Assets. Value of investments in 103.12 investment entities at beginning of year	2017-12-31	$0
Expenses. Payments to insurance carriers foe the provision of benefits	2017-12-31	$0
Asset value of US Government securities at end of year	2017-12-31	$0
Asset value of US Government securities at beginning of year	2017-12-31	$0
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2017-12-31	$3,850,959
Net investment gain/loss from pooled separate accounts	2017-12-31	$0
Net investment gain or loss from common/collective trusts	2017-12-31	$-111
Net gain/loss from 103.12 investment entities	2017-12-31	$0
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2017-12-31	No
Was there a failure to transmit to the plan any participant contributions	2017-12-31	No
Has the plan failed to provide any benefit when due under the plan	2017-12-31	No
Assets. Invements in employer securities at end of year	2017-12-31	$0
Assets. Invements in employer securities at beginning of year	2017-12-31	$0
Assets. Value of employer real property at end of year	2017-12-31	$0
Assets. Value of employer real property at beginning of year	2017-12-31	$0
Contributions received in cash from employer	2017-12-31	$300,081
Employer contributions (assets) at end of year	2017-12-31	$150,000
Employer contributions (assets) at beginning of year	2017-12-31	$140,000
Income. Dividends from preferred stock	2017-12-31	$0
Income. Dividends from common stock	2017-12-31	$0
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2017-12-31	$987,675
Asset. Corporate debt instrument preferred debt at end of year	2017-12-31	$0
Asset. Corporate debt instrument preferred debt at beginning of year	2017-12-31	$0
Asset. Corporate debt instrument debt (other) at end of year	2017-12-31	$0
Asset. Corporate debt instrument debt (other) at beginning of year	2017-12-31	$0
Contract administrator fees	2017-12-31	$0
Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3	2017-12-31	No
Assets. Corporate common stocks other than exployer securities at end of year	2017-12-31	$0
Assets. Corporate common stocks other than exployer securities at beginning of year	2017-12-31	$0
Liabilities. Value of benefit claims payable at end of year	2017-12-31	$0
Liabilities. Value of benefit claims payable at beginning of year	2017-12-31	$0
Assets. Value of buildings and other operty used in plan operation at end of year	2017-12-31	$0
Assets. Value of buildings and other operty used in plan operation at beginning of year	2017-12-31	$0
Did the plan have assets held for investment	2017-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2017-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2017-12-31	No
Aggregate proceeds on sale of assets	2017-12-31	$0
Aggregate carrying amount (costs) on sale of assets	2017-12-31	$0
Liabilities. Value of acquisition indebtedness at end of year	2017-12-31	$0
Liabilities. Value of acquisition indebtedness at beginning of year	2017-12-31	$0
Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d)	2017-12-31	Yes
Opinion of an independent qualified public accountant for this plan	2017-12-31	Disclaimer
Accountancy firm name	2017-12-31	MAZARS USA LLP
Accountancy firm EIN	2017-12-31	131459550
2016 : GREENHILL & CO., INC. 401(K) PROFIT SHARING PLAN 2016 401k financial data
Unrealized appreciation/depreciation of real estate assets	2016-12-31	$0
Unrealized appreciation/depreciation of other (non real estate) assets	2016-12-31	$0
Total unrealized appreciation/depreciation of assets	2016-12-31	$0
Total transfer of assets to this plan	2016-12-31	$0
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2016-12-31	$0
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2016-12-31	$0
Expenses. Interest paid	2016-12-31	$0
Amount of participant contributions which was failed to transmit to the plan within the time period described in 29 CFR 251.3-102	2016-12-31	$0
Total income from all sources (including contributions)	2016-12-31	$4,417,326
Total loss/gain on sale of assets	2016-12-31	$0
Total of all expenses incurred	2016-12-31	$1,819,010
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2016-12-31	$1,761,466
Expenses. Certain deemed distributions of participant loans	2016-12-31	$0
Value of total corrective distributions	2016-12-31	$0
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2016-12-31	$2,388,285
Value of total assets at end of year	2016-12-31	$23,933,303
Value of total assets at beginning of year	2016-12-31	$21,334,987
Total of administrative expenses incurred including professional, contract, advisory and management fees	2016-12-31	$57,544
Total income from rents	2016-12-31	$0
Total interest from all sources	2016-12-31	$9,694
Total dividends received (eg from common stock, registered investment company shares)	2016-12-31	$626,367
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2016-12-31	No
Total dividends received from registered investment company shares (eg mutual funds)	2016-12-31	$626,367
Assets. Real estate other than employer real property at end of year	2016-12-31	$0
Assets. Real estate other than employer real property at beginning of year	2016-12-31	$0
Administrative expenses professional fees incurred	2016-12-31	$0
Assets. Corporate prefeered stocks other than exployer securities at end of year	2016-12-31	$0
Assets. Corporate prefeered stocks other than exployer securities at beginning of year	2016-12-31	$0
Was this plan covered by a fidelity bond	2016-12-31	Yes
Value of fidelity bond cover	2016-12-31	$1,000,000
If this is an individual account plan, was there a blackout period	2016-12-31	No
Were there any nonexempt tranactions with any party-in-interest	2016-12-31	No
Contributions received from participants	2016-12-31	$1,995,357
Participant contributions at end of year	2016-12-31	$251,367
Participant contributions at beginning of year	2016-12-31	$180,875
Participant contributions at end of year	2016-12-31	$0
Participant contributions at beginning of year	2016-12-31	$0
Assets. Other investments not covered elsewhere at end of year	2016-12-31	$0
Assets. Other investments not covered elsewhere at beginning of year	2016-12-31	$0
Income. Received or receivable in cash from other sources (including rollovers)	2016-12-31	$99,282
Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries)	2016-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at end of year	2016-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at beginning of year	2016-12-31	$0
Assets. Loans (other than to participants) at end of year	2016-12-31	$0
Assets. Loans (other than to participants) at beginning of year	2016-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year	2016-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year	2016-12-31	$0
Other income not declared elsewhere	2016-12-31	$0
Administrative expenses (other) incurred	2016-12-31	$56,255
Liabilities. Value of operating payables at end of year	2016-12-31	$0
Liabilities. Value of operating payables at beginning of year	2016-12-31	$0
Total non interest bearing cash at end of year	2016-12-31	$0
Total non interest bearing cash at beginning of year	2016-12-31	$0
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2016-12-31	No
Income. Non cash contributions	2016-12-31	$0
Value of net income/loss	2016-12-31	$2,598,316
Value of net assets at end of year (total assets less liabilities)	2016-12-31	$23,933,303
Value of net assets at beginning of year (total assets less liabilities)	2016-12-31	$21,334,987
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2016-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2016-12-31	No
Were any leases to which the plan was party in default or uncollectible	2016-12-31	No
Assets. partnership/joint venture interests at end of year	2016-12-31	$0
Assets. partnership/joint venture interests at beginning of year	2016-12-31	$0
Investment advisory and management fees	2016-12-31	$1,289
Value of interest in registered invesment companies (eg mutual funds) at end of year	2016-12-31	$22,327,170
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2016-12-31	$19,218,543
Value of interest in pooled separate accounts at end of year	2016-12-31	$0
Value of interest in pooled separate accounts at beginning of year	2016-12-31	$0
Interest on participant loans	2016-12-31	$6,904
Income. Interest from loans (other than to participants)	2016-12-31	$0
Interest earned on other investments	2016-12-31	$0
Income. Interest from US Government securities	2016-12-31	$0
Income. Interest from corporate debt instruments	2016-12-31	$0
Value of interest in master investment trust accounts at end of year	2016-12-31	$0
Value of interest in master investment trust accounts at beginning of year	2016-12-31	$0
Value of interest in common/collective trusts at end of year	2016-12-31	$0
Value of interest in common/collective trusts at beginning of year	2016-12-31	$0
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2016-12-31	$1,214,766
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2016-12-31	$1,795,569
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2016-12-31	$1,795,569
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2016-12-31	$2,790
Assets. Value of investments in 103.12 investment entities at end of year	2016-12-31	$0
Assets. Value of investments in 103.12 investment entities at beginning of year	2016-12-31	$0
Expenses. Payments to insurance carriers foe the provision of benefits	2016-12-31	$0
Asset value of US Government securities at end of year	2016-12-31	$0
Asset value of US Government securities at beginning of year	2016-12-31	$0
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2016-12-31	$1,392,980
Net investment gain/loss from pooled separate accounts	2016-12-31	$0
Net investment gain or loss from common/collective trusts	2016-12-31	$0
Net gain/loss from 103.12 investment entities	2016-12-31	$0
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2016-12-31	No
Was there a failure to transmit to the plan any participant contributions	2016-12-31	No
Has the plan failed to provide any benefit when due under the plan	2016-12-31	No
Assets. Invements in employer securities at end of year	2016-12-31	$0
Assets. Invements in employer securities at beginning of year	2016-12-31	$0
Assets. Value of employer real property at end of year	2016-12-31	$0
Assets. Value of employer real property at beginning of year	2016-12-31	$0
Contributions received in cash from employer	2016-12-31	$293,646
Employer contributions (assets) at end of year	2016-12-31	$140,000
Employer contributions (assets) at beginning of year	2016-12-31	$140,000
Income. Dividends from preferred stock	2016-12-31	$0
Income. Dividends from common stock	2016-12-31	$0
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2016-12-31	$1,761,466
Asset. Corporate debt instrument preferred debt at end of year	2016-12-31	$0
Asset. Corporate debt instrument preferred debt at beginning of year	2016-12-31	$0
Asset. Corporate debt instrument debt (other) at end of year	2016-12-31	$0
Asset. Corporate debt instrument debt (other) at beginning of year	2016-12-31	$0
Contract administrator fees	2016-12-31	$0
Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3	2016-12-31	No
Assets. Corporate common stocks other than exployer securities at end of year	2016-12-31	$0
Assets. Corporate common stocks other than exployer securities at beginning of year	2016-12-31	$0
Liabilities. Value of benefit claims payable at end of year	2016-12-31	$0
Liabilities. Value of benefit claims payable at beginning of year	2016-12-31	$0
Assets. Value of buildings and other operty used in plan operation at end of year	2016-12-31	$0
Assets. Value of buildings and other operty used in plan operation at beginning of year	2016-12-31	$0
Did the plan have assets held for investment	2016-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2016-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2016-12-31	No
Aggregate proceeds on sale of assets	2016-12-31	$0
Aggregate carrying amount (costs) on sale of assets	2016-12-31	$0
Liabilities. Value of acquisition indebtedness at end of year	2016-12-31	$0
Liabilities. Value of acquisition indebtedness at beginning of year	2016-12-31	$0
Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d)	2016-12-31	Yes
Opinion of an independent qualified public accountant for this plan	2016-12-31	Disclaimer
Accountancy firm name	2016-12-31	MAZARS USA LLP
Accountancy firm EIN	2016-12-31	131459550
2015 : GREENHILL & CO., INC. 401(K) PROFIT SHARING PLAN 2015 401k financial data
Unrealized appreciation/depreciation of real estate assets	2015-12-31	$0
Unrealized appreciation/depreciation of other (non real estate) assets	2015-12-31	$0
Total unrealized appreciation/depreciation of assets	2015-12-31	$0
Total transfer of assets to this plan	2015-12-31	$0
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2015-12-31	$0
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2015-12-31	$0
Expenses. Interest paid	2015-12-31	$0
Amount of participant contributions which was failed to transmit to the plan within the time period described in 29 CFR 251.3-102	2015-12-31	$0
Total income from all sources (including contributions)	2015-12-31	$2,260,990
Total loss/gain on sale of assets	2015-12-31	$0
Total of all expenses incurred	2015-12-31	$2,508,743
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2015-12-31	$2,445,155
Expenses. Certain deemed distributions of participant loans	2015-12-31	$0
Value of total corrective distributions	2015-12-31	$0
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2015-12-31	$2,374,197
Value of total assets at end of year	2015-12-31	$21,334,987
Value of total assets at beginning of year	2015-12-31	$21,582,740
Total of administrative expenses incurred including professional, contract, advisory and management fees	2015-12-31	$63,588
Total income from rents	2015-12-31	$0
Total interest from all sources	2015-12-31	$7,336
Total dividends received (eg from common stock, registered investment company shares)	2015-12-31	$814,911
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2015-12-31	No
Total dividends received from registered investment company shares (eg mutual funds)	2015-12-31	$814,911
Assets. Real estate other than employer real property at end of year	2015-12-31	$0
Assets. Real estate other than employer real property at beginning of year	2015-12-31	$0
Administrative expenses professional fees incurred	2015-12-31	$0
Assets. Corporate prefeered stocks other than exployer securities at end of year	2015-12-31	$0
Assets. Corporate prefeered stocks other than exployer securities at beginning of year	2015-12-31	$0
Was this plan covered by a fidelity bond	2015-12-31	Yes
Value of fidelity bond cover	2015-12-31	$1,000,000
If this is an individual account plan, was there a blackout period	2015-12-31	No
Were there any nonexempt tranactions with any party-in-interest	2015-12-31	No
Contributions received from participants	2015-12-31	$1,864,265
Participant contributions at end of year	2015-12-31	$180,875
Participant contributions at beginning of year	2015-12-31	$218,067
Participant contributions at end of year	2015-12-31	$0
Participant contributions at beginning of year	2015-12-31	$0
Assets. Other investments not covered elsewhere at end of year	2015-12-31	$0
Assets. Other investments not covered elsewhere at beginning of year	2015-12-31	$0
Income. Received or receivable in cash from other sources (including rollovers)	2015-12-31	$228,796
Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries)	2015-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at end of year	2015-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at beginning of year	2015-12-31	$0
Assets. Loans (other than to participants) at end of year	2015-12-31	$0
Assets. Loans (other than to participants) at beginning of year	2015-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year	2015-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year	2015-12-31	$0
Other income not declared elsewhere	2015-12-31	$0
Administrative expenses (other) incurred	2015-12-31	$63,512
Liabilities. Value of operating payables at end of year	2015-12-31	$0
Liabilities. Value of operating payables at beginning of year	2015-12-31	$0
Total non interest bearing cash at end of year	2015-12-31	$0
Total non interest bearing cash at beginning of year	2015-12-31	$0
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2015-12-31	No
Income. Non cash contributions	2015-12-31	$0
Value of net income/loss	2015-12-31	$-247,753
Value of net assets at end of year (total assets less liabilities)	2015-12-31	$21,334,987
Value of net assets at beginning of year (total assets less liabilities)	2015-12-31	$21,582,740
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2015-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2015-12-31	No
Were any leases to which the plan was party in default or uncollectible	2015-12-31	No
Assets. partnership/joint venture interests at end of year	2015-12-31	$0
Assets. partnership/joint venture interests at beginning of year	2015-12-31	$0
Investment advisory and management fees	2015-12-31	$76
Value of interest in registered invesment companies (eg mutual funds) at end of year	2015-12-31	$19,218,543
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2015-12-31	$19,204,288
Value of interest in pooled separate accounts at end of year	2015-12-31	$0
Value of interest in pooled separate accounts at beginning of year	2015-12-31	$0
Interest on participant loans	2015-12-31	$7,060
Income. Interest from loans (other than to participants)	2015-12-31	$0
Interest earned on other investments	2015-12-31	$0
Income. Interest from US Government securities	2015-12-31	$0
Income. Interest from corporate debt instruments	2015-12-31	$0
Value of interest in master investment trust accounts at end of year	2015-12-31	$0
Value of interest in master investment trust accounts at beginning of year	2015-12-31	$0
Value of interest in common/collective trusts at end of year	2015-12-31	$0
Value of interest in common/collective trusts at beginning of year	2015-12-31	$0
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2015-12-31	$1,795,569
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2015-12-31	$2,010,385
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2015-12-31	$2,010,385
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2015-12-31	$276
Assets. Value of investments in 103.12 investment entities at end of year	2015-12-31	$0
Assets. Value of investments in 103.12 investment entities at beginning of year	2015-12-31	$0
Expenses. Payments to insurance carriers foe the provision of benefits	2015-12-31	$0
Asset value of US Government securities at end of year	2015-12-31	$0
Asset value of US Government securities at beginning of year	2015-12-31	$0
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2015-12-31	$-935,454
Net investment gain/loss from pooled separate accounts	2015-12-31	$0
Net investment gain or loss from common/collective trusts	2015-12-31	$0
Net gain/loss from 103.12 investment entities	2015-12-31	$0
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2015-12-31	No
Was there a failure to transmit to the plan any participant contributions	2015-12-31	No
Has the plan failed to provide any benefit when due under the plan	2015-12-31	No
Assets. Invements in employer securities at end of year	2015-12-31	$0
Assets. Invements in employer securities at beginning of year	2015-12-31	$0
Assets. Value of employer real property at end of year	2015-12-31	$0
Assets. Value of employer real property at beginning of year	2015-12-31	$0
Contributions received in cash from employer	2015-12-31	$281,136
Employer contributions (assets) at end of year	2015-12-31	$140,000
Employer contributions (assets) at beginning of year	2015-12-31	$150,000
Income. Dividends from preferred stock	2015-12-31	$0
Income. Dividends from common stock	2015-12-31	$0
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2015-12-31	$2,445,155
Asset. Corporate debt instrument preferred debt at end of year	2015-12-31	$0
Asset. Corporate debt instrument preferred debt at beginning of year	2015-12-31	$0
Asset. Corporate debt instrument debt (other) at end of year	2015-12-31	$0
Asset. Corporate debt instrument debt (other) at beginning of year	2015-12-31	$0
Contract administrator fees	2015-12-31	$0
Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3	2015-12-31	No
Assets. Corporate common stocks other than exployer securities at end of year	2015-12-31	$0
Assets. Corporate common stocks other than exployer securities at beginning of year	2015-12-31	$0
Liabilities. Value of benefit claims payable at end of year	2015-12-31	$0
Liabilities. Value of benefit claims payable at beginning of year	2015-12-31	$0
Assets. Value of buildings and other operty used in plan operation at end of year	2015-12-31	$0
Assets. Value of buildings and other operty used in plan operation at beginning of year	2015-12-31	$0
Did the plan have assets held for investment	2015-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2015-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2015-12-31	No
Aggregate proceeds on sale of assets	2015-12-31	$0
Aggregate carrying amount (costs) on sale of assets	2015-12-31	$0
Liabilities. Value of acquisition indebtedness at end of year	2015-12-31	$0
Liabilities. Value of acquisition indebtedness at beginning of year	2015-12-31	$0
Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d)	2015-12-31	Yes
Opinion of an independent qualified public accountant for this plan	2015-12-31	Disclaimer
Accountancy firm name	2015-12-31	WEISERMAZARS LLP
Accountancy firm EIN	2015-12-31	131459550
2014 : GREENHILL & CO., INC. 401(K) PROFIT SHARING PLAN 2014 401k financial data
Unrealized appreciation/depreciation of real estate assets	2014-12-31	$0
Unrealized appreciation/depreciation of other (non real estate) assets	2014-12-31	$0
Total unrealized appreciation/depreciation of assets	2014-12-31	$0
Total transfer of assets to this plan	2014-12-31	$0
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2014-12-31	$0
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2014-12-31	$0
Expenses. Interest paid	2014-12-31	$0
Amount of participant contributions which was failed to transmit to the plan within the time period described in 29 CFR 251.3-102	2014-12-31	$0
Total income from all sources (including contributions)	2014-12-31	$3,629,767
Total loss/gain on sale of assets	2014-12-31	$0
Total of all expenses incurred	2014-12-31	$3,201,700
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2014-12-31	$3,161,737
Expenses. Certain deemed distributions of participant loans	2014-12-31	$554
Value of total corrective distributions	2014-12-31	$0
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2014-12-31	$2,227,473
Value of total assets at end of year	2014-12-31	$21,582,740
Value of total assets at beginning of year	2014-12-31	$21,154,673
Total of administrative expenses incurred including professional, contract, advisory and management fees	2014-12-31	$39,409
Total income from rents	2014-12-31	$0
Total interest from all sources	2014-12-31	$6,930
Total dividends received (eg from common stock, registered investment company shares)	2014-12-31	$901,512
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2014-12-31	No
Total dividends received from registered investment company shares (eg mutual funds)	2014-12-31	$901,512
Assets. Real estate other than employer real property at end of year	2014-12-31	$0
Assets. Real estate other than employer real property at beginning of year	2014-12-31	$0
Administrative expenses professional fees incurred	2014-12-31	$0
Assets. Corporate prefeered stocks other than exployer securities at end of year	2014-12-31	$0
Assets. Corporate prefeered stocks other than exployer securities at beginning of year	2014-12-31	$0
Was this plan covered by a fidelity bond	2014-12-31	Yes
Value of fidelity bond cover	2014-12-31	$1,000,000
If this is an individual account plan, was there a blackout period	2014-12-31	Yes
Were there any nonexempt tranactions with any party-in-interest	2014-12-31	No
Contributions received from participants	2014-12-31	$1,794,271
Participant contributions at end of year	2014-12-31	$218,067
Participant contributions at beginning of year	2014-12-31	$215,080
Participant contributions at end of year	2014-12-31	$0
Participant contributions at beginning of year	2014-12-31	$0
Assets. Other investments not covered elsewhere at end of year	2014-12-31	$0
Assets. Other investments not covered elsewhere at beginning of year	2014-12-31	$0
Income. Received or receivable in cash from other sources (including rollovers)	2014-12-31	$134,339
Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries)	2014-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at end of year	2014-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at beginning of year	2014-12-31	$0
Assets. Loans (other than to participants) at end of year	2014-12-31	$0
Assets. Loans (other than to participants) at beginning of year	2014-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year	2014-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year	2014-12-31	$0
Other income not declared elsewhere	2014-12-31	$6,573
Administrative expenses (other) incurred	2014-12-31	$39,409
Liabilities. Value of operating payables at end of year	2014-12-31	$0
Liabilities. Value of operating payables at beginning of year	2014-12-31	$0
Total non interest bearing cash at end of year	2014-12-31	$0
Total non interest bearing cash at beginning of year	2014-12-31	$0
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2014-12-31	No
Income. Non cash contributions	2014-12-31	$0
Value of net income/loss	2014-12-31	$428,067
Value of net assets at end of year (total assets less liabilities)	2014-12-31	$21,582,740
Value of net assets at beginning of year (total assets less liabilities)	2014-12-31	$21,154,673
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2014-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2014-12-31	No
Were any leases to which the plan was party in default or uncollectible	2014-12-31	No
Assets. partnership/joint venture interests at end of year	2014-12-31	$0
Assets. partnership/joint venture interests at beginning of year	2014-12-31	$0
Investment advisory and management fees	2014-12-31	$0
Value of interest in registered invesment companies (eg mutual funds) at end of year	2014-12-31	$19,204,288
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2014-12-31	$6,448,282
Value of interest in pooled separate accounts at end of year	2014-12-31	$0
Value of interest in pooled separate accounts at beginning of year	2014-12-31	$14,202,876
Interest on participant loans	2014-12-31	$6,643
Income. Interest from loans (other than to participants)	2014-12-31	$0
Interest earned on other investments	2014-12-31	$136
Income. Interest from US Government securities	2014-12-31	$0
Income. Interest from corporate debt instruments	2014-12-31	$0
Value of interest in master investment trust accounts at end of year	2014-12-31	$0
Value of interest in master investment trust accounts at beginning of year	2014-12-31	$0
Value of interest in common/collective trusts at end of year	2014-12-31	$0
Value of interest in common/collective trusts at beginning of year	2014-12-31	$0
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2014-12-31	$2,010,385
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2014-12-31	$0
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2014-12-31	$0
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2014-12-31	$151
Assets. Value of investments in 103.12 investment entities at end of year	2014-12-31	$0
Assets. Value of investments in 103.12 investment entities at beginning of year	2014-12-31	$0
Value of funds held in insurance company general accounts (unallocated contracts) at beginning of year	2014-12-31	$138,435
Expenses. Payments to insurance carriers foe the provision of benefits	2014-12-31	$0
Asset value of US Government securities at end of year	2014-12-31	$0
Asset value of US Government securities at beginning of year	2014-12-31	$0
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2014-12-31	$254,221
Net investment gain/loss from pooled separate accounts	2014-12-31	$233,058
Net investment gain or loss from common/collective trusts	2014-12-31	$0
Net gain/loss from 103.12 investment entities	2014-12-31	$0
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2014-12-31	No
Was there a failure to transmit to the plan any participant contributions	2014-12-31	No
Has the plan failed to provide any benefit when due under the plan	2014-12-31	No
Assets. Invements in employer securities at end of year	2014-12-31	$0
Assets. Invements in employer securities at beginning of year	2014-12-31	$0
Assets. Value of employer real property at end of year	2014-12-31	$0
Assets. Value of employer real property at beginning of year	2014-12-31	$0
Contributions received in cash from employer	2014-12-31	$298,863
Employer contributions (assets) at end of year	2014-12-31	$150,000
Employer contributions (assets) at beginning of year	2014-12-31	$150,000
Income. Dividends from preferred stock	2014-12-31	$0
Income. Dividends from common stock	2014-12-31	$0
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2014-12-31	$3,161,737
Asset. Corporate debt instrument preferred debt at end of year	2014-12-31	$0
Asset. Corporate debt instrument preferred debt at beginning of year	2014-12-31	$0
Asset. Corporate debt instrument debt (other) at end of year	2014-12-31	$0
Asset. Corporate debt instrument debt (other) at beginning of year	2014-12-31	$0
Contract administrator fees	2014-12-31	$0
Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3	2014-12-31	Yes
Assets. Corporate common stocks other than exployer securities at end of year	2014-12-31	$0
Assets. Corporate common stocks other than exployer securities at beginning of year	2014-12-31	$0
Liabilities. Value of benefit claims payable at end of year	2014-12-31	$0
Liabilities. Value of benefit claims payable at beginning of year	2014-12-31	$0
Assets. Value of buildings and other operty used in plan operation at end of year	2014-12-31	$0
Assets. Value of buildings and other operty used in plan operation at beginning of year	2014-12-31	$0
Did the plan have assets held for investment	2014-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2014-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2014-12-31	No
Aggregate proceeds on sale of assets	2014-12-31	$0
Aggregate carrying amount (costs) on sale of assets	2014-12-31	$0
Liabilities. Value of acquisition indebtedness at end of year	2014-12-31	$0
Liabilities. Value of acquisition indebtedness at beginning of year	2014-12-31	$0
Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d)	2014-12-31	Yes
Opinion of an independent qualified public accountant for this plan	2014-12-31	Disclaimer
Accountancy firm name	2014-12-31	WEISERMAZARS LLP
Accountancy firm EIN	2014-12-31	131459550
2013 : GREENHILL & CO., INC. 401(K) PROFIT SHARING PLAN 2013 401k financial data
Unrealized appreciation/depreciation of real estate assets	2013-12-31	$0
Unrealized appreciation/depreciation of other (non real estate) assets	2013-12-31	$0
Total unrealized appreciation/depreciation of assets	2013-12-31	$0
Total transfer of assets to this plan	2013-12-31	$0
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2013-12-31	$0
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2013-12-31	$0
Total income from all sources (including contributions)	2013-12-31	$6,537,173
Total loss/gain on sale of assets	2013-12-31	$0
Total of all expenses incurred	2013-12-31	$2,110,580
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2013-12-31	$2,067,650
Expenses. Certain deemed distributions of participant loans	2013-12-31	$0
Value of total corrective distributions	2013-12-31	$1,716
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2013-12-31	$2,663,806
Value of total assets at end of year	2013-12-31	$21,154,673
Value of total assets at beginning of year	2013-12-31	$16,728,080
Total of administrative expenses incurred including professional, contract, advisory and management fees	2013-12-31	$41,214
Total income from rents	2013-12-31	$0
Total interest from all sources	2013-12-31	$8,829
Total dividends received (eg from common stock, registered investment company shares)	2013-12-31	$103,065
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2013-12-31	No
Total dividends received from registered investment company shares (eg mutual funds)	2013-12-31	$103,065
Administrative expenses professional fees incurred	2013-12-31	$0
Was this plan covered by a fidelity bond	2013-12-31	Yes
Value of fidelity bond cover	2013-12-31	$1,000,000
If this is an individual account plan, was there a blackout period	2013-12-31	No
Total value of distributions paid in property other than in cash, annuity contracts, or publicly traded employer securities	2013-12-31	$0
Were there any nonexempt tranactions with any party-in-interest	2013-12-31	No
Amount of non-exempt transactions with any party-in-interest	2013-12-31	$0
Contributions received from participants	2013-12-31	$1,953,581
Participant contributions at end of year	2013-12-31	$215,080
Participant contributions at beginning of year	2013-12-31	$230,851
Participant contributions at end of year	2013-12-31	$0
Participant contributions at beginning of year	2013-12-31	$0
Income. Received or receivable in cash from other sources (including rollovers)	2013-12-31	$398,834
Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries)	2013-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at end of year	2013-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at beginning of year	2013-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year	2013-12-31	$0
Other income not declared elsewhere	2013-12-31	$64
Administrative expenses (other) incurred	2013-12-31	$0
Liabilities. Value of operating payables at beginning of year	2013-12-31	$0
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2013-12-31	No
Value of net income/loss	2013-12-31	$4,426,593
Value of net assets at end of year (total assets less liabilities)	2013-12-31	$21,154,673
Value of net assets at beginning of year (total assets less liabilities)	2013-12-31	$16,728,080
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2013-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2013-12-31	No
Amount of loans by the plan or fixed income obligations due to the plan which were in default/classified-as-uncollectible as of the close of the plan year	2013-12-31	$0
Were any leases to which the plan was party in default or uncollectible	2013-12-31	No
Amount of leases to which the plan was a party which were in default/classified-as-uncollectible during the year	2013-12-31	$0
Investment advisory and management fees	2013-12-31	$33,331
Value of interest in registered invesment companies (eg mutual funds) at end of year	2013-12-31	$6,448,282
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2013-12-31	$5,555,041
Value of interest in pooled separate accounts at end of year	2013-12-31	$14,202,876
Value of interest in pooled separate accounts at beginning of year	2013-12-31	$10,434,070
Interest on participant loans	2013-12-31	$6,567
Income. Interest from loans (other than to participants)	2013-12-31	$0
Interest earned on other investments	2013-12-31	$2,262
Income. Interest from US Government securities	2013-12-31	$0
Income. Interest from corporate debt instruments	2013-12-31	$0
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2013-12-31	$0
Value of funds held in insurance company general accounts (unallocated contracts) at end of year	2013-12-31	$138,435
Value of funds held in insurance company general accounts (unallocated contracts) at beginning of year	2013-12-31	$366,116
Expenses. Payments to insurance carriers foe the provision of benefits	2013-12-31	$0
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2013-12-31	$1,036,290
Net investment gain/loss from pooled separate accounts	2013-12-31	$2,725,119
Net investment gain or loss from common/collective trusts	2013-12-31	$0
Net gain/loss from 103.12 investment entities	2013-12-31	$0
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2013-12-31	No
Was there a failure to transmit to the plan any participant contributions	2013-12-31	No
Has the plan failed to provide any benefit when due under the plan	2013-12-31	No
Contributions received in cash from employer	2013-12-31	$311,391
Employer contributions (assets) at end of year	2013-12-31	$150,000
Employer contributions (assets) at beginning of year	2013-12-31	$142,002
Income. Dividends from preferred stock	2013-12-31	$0
Income. Dividends from common stock	2013-12-31	$0
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2013-12-31	$2,067,650
Contract administrator fees	2013-12-31	$7,883
Liabilities. Value of benefit claims payable at beginning of year	2013-12-31	$0
Did the plan have assets held for investment	2013-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2013-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2013-12-31	No
Aggregate proceeds on sale of assets	2013-12-31	$0
Aggregate carrying amount (costs) on sale of assets	2013-12-31	$0
Liabilities. Value of acquisition indebtedness at beginning of year	2013-12-31	$0
Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d)	2013-12-31	Yes
Opinion of an independent qualified public accountant for this plan	2013-12-31	Disclaimer
Accountancy firm name	2013-12-31	WEISERMAZARS LLP
Accountancy firm EIN	2013-12-31	131459550
2012 : GREENHILL & CO., INC. 401(K) PROFIT SHARING PLAN 2012 401k financial data
Unrealized appreciation/depreciation of real estate assets	2012-12-31	$0
Unrealized appreciation/depreciation of other (non real estate) assets	2012-12-31	$0
Total unrealized appreciation/depreciation of assets	2012-12-31	$0
Total transfer of assets to this plan	2012-12-31	$0
Total transfer of assets from this plan	2012-12-31	$0
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2012-12-31	$0
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2012-12-31	$0
Total income from all sources (including contributions)	2012-12-31	$4,603,253
Total loss/gain on sale of assets	2012-12-31	$0
Total of all expenses incurred	2012-12-31	$1,813,122
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2012-12-31	$1,780,580
Expenses. Certain deemed distributions of participant loans	2012-12-31	$0
Value of total corrective distributions	2012-12-31	$0
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2012-12-31	$2,813,409
Value of total assets at end of year	2012-12-31	$16,728,080
Value of total assets at beginning of year	2012-12-31	$13,937,949
Total of administrative expenses incurred including professional, contract, advisory and management fees	2012-12-31	$32,542
Total income from rents	2012-12-31	$0
Total interest from all sources	2012-12-31	$13,120
Total dividends received (eg from common stock, registered investment company shares)	2012-12-31	$86,699
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2012-12-31	No
Total dividends received from registered investment company shares (eg mutual funds)	2012-12-31	$86,699
Administrative expenses professional fees incurred	2012-12-31	$14,184
Was this plan covered by a fidelity bond	2012-12-31	Yes
Value of fidelity bond cover	2012-12-31	$1,000,000
If this is an individual account plan, was there a blackout period	2012-12-31	No
Total value of distributions paid in property other than in cash, annuity contracts, or publicly traded employer securities	2012-12-31	$0
Were there any nonexempt tranactions with any party-in-interest	2012-12-31	No
Amount of non-exempt transactions with any party-in-interest	2012-12-31	$0
Contributions received from participants	2012-12-31	$1,682,921
Participant contributions at end of year	2012-12-31	$230,851
Participant contributions at beginning of year	2012-12-31	$356,179
Participant contributions at end of year	2012-12-31	$0
Participant contributions at beginning of year	2012-12-31	$0
Income. Received or receivable in cash from other sources (including rollovers)	2012-12-31	$844,307
Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries)	2012-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at end of year	2012-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at beginning of year	2012-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year	2012-12-31	$0
Other income not declared elsewhere	2012-12-31	$-3,443
Administrative expenses (other) incurred	2012-12-31	$1,077
Liabilities. Value of operating payables at beginning of year	2012-12-31	$0
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2012-12-31	No
Value of net income/loss	2012-12-31	$2,790,131
Value of net assets at end of year (total assets less liabilities)	2012-12-31	$16,728,080
Value of net assets at beginning of year (total assets less liabilities)	2012-12-31	$13,937,949
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2012-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2012-12-31	No
Amount of loans by the plan or fixed income obligations due to the plan which were in default/classified-as-uncollectible as of the close of the plan year	2012-12-31	$0
Were any leases to which the plan was party in default or uncollectible	2012-12-31	No
Amount of leases to which the plan was a party which were in default/classified-as-uncollectible during the year	2012-12-31	$0
Investment advisory and management fees	2012-12-31	$14,548
Value of interest in registered invesment companies (eg mutual funds) at end of year	2012-12-31	$5,555,041
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2012-12-31	$4,170,545
Value of interest in pooled separate accounts at end of year	2012-12-31	$10,434,070
Value of interest in pooled separate accounts at beginning of year	2012-12-31	$9,089,000
Interest on participant loans	2012-12-31	$9,230
Income. Interest from loans (other than to participants)	2012-12-31	$0
Interest earned on other investments	2012-12-31	$3,890
Income. Interest from US Government securities	2012-12-31	$0
Income. Interest from corporate debt instruments	2012-12-31	$0
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2012-12-31	$0
Value of funds held in insurance company general accounts (unallocated contracts) at end of year	2012-12-31	$366,116
Value of funds held in insurance company general accounts (unallocated contracts) at beginning of year	2012-12-31	$180,225
Expenses. Payments to insurance carriers foe the provision of benefits	2012-12-31	$0
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2012-12-31	$572,015
Net investment gain/loss from pooled separate accounts	2012-12-31	$1,121,453
Net investment gain or loss from common/collective trusts	2012-12-31	$0
Net gain/loss from 103.12 investment entities	2012-12-31	$0
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2012-12-31	No
Was there a failure to transmit to the plan any participant contributions	2012-12-31	No
Has the plan failed to provide any benefit when due under the plan	2012-12-31	No
Contributions received in cash from employer	2012-12-31	$286,181
Employer contributions (assets) at end of year	2012-12-31	$142,002
Employer contributions (assets) at beginning of year	2012-12-31	$142,000
Income. Dividends from preferred stock	2012-12-31	$0
Income. Dividends from common stock	2012-12-31	$0
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2012-12-31	$1,780,580
Contract administrator fees	2012-12-31	$2,733
Liabilities. Value of benefit claims payable at beginning of year	2012-12-31	$0
Did the plan have assets held for investment	2012-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2012-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2012-12-31	No
Aggregate proceeds on sale of assets	2012-12-31	$0
Aggregate carrying amount (costs) on sale of assets	2012-12-31	$0
Liabilities. Value of acquisition indebtedness at beginning of year	2012-12-31	$0
Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d)	2012-12-31	Yes
Opinion of an independent qualified public accountant for this plan	2012-12-31	Unqualified
Accountancy firm name	2012-12-31	WEISERMAZARS
Accountancy firm EIN	2012-12-31	131459550
2011 : GREENHILL & CO., INC. 401(K) PROFIT SHARING PLAN 2011 401k financial data
Unrealized appreciation/depreciation of real estate assets	2011-12-31	$0
Unrealized appreciation/depreciation of other (non real estate) assets	2011-12-31	$0
Total unrealized appreciation/depreciation of assets	2011-12-31	$0
Total transfer of assets to this plan	2011-12-31	$0
Total transfer of assets from this plan	2011-12-31	$0
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2011-12-31	$0
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2011-12-31	$0
Total income from all sources (including contributions)	2011-12-31	$2,230,921
Total loss/gain on sale of assets	2011-12-31	$0
Total of all expenses incurred	2011-12-31	$3,498,598
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2011-12-31	$3,465,735
Expenses. Certain deemed distributions of participant loans	2011-12-31	$0
Value of total corrective distributions	2011-12-31	$0
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2011-12-31	$2,413,202
Value of total assets at end of year	2011-12-31	$13,937,949
Value of total assets at beginning of year	2011-12-31	$15,205,626
Total of administrative expenses incurred including professional, contract, advisory and management fees	2011-12-31	$32,863
Total income from rents	2011-12-31	$0
Total interest from all sources	2011-12-31	$10,505
Total dividends received (eg from common stock, registered investment company shares)	2011-12-31	$74,805
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2011-12-31	No
Total dividends received from registered investment company shares (eg mutual funds)	2011-12-31	$74,805
Administrative expenses professional fees incurred	2011-12-31	$0
Was this plan covered by a fidelity bond	2011-12-31	Yes
Value of fidelity bond cover	2011-12-31	$1,000,000
If this is an individual account plan, was there a blackout period	2011-12-31	No
Total value of distributions paid in property other than in cash, annuity contracts, or publicly traded employer securities	2011-12-31	$0
Were there any nonexempt tranactions with any party-in-interest	2011-12-31	No
Amount of non-exempt transactions with any party-in-interest	2011-12-31	$0
Contributions received from participants	2011-12-31	$1,732,593
Participant contributions at end of year	2011-12-31	$356,179
Participant contributions at beginning of year	2011-12-31	$249,473
Participant contributions at end of year	2011-12-31	$0
Participant contributions at beginning of year	2011-12-31	$0
Income. Received or receivable in cash from other sources (including rollovers)	2011-12-31	$377,795
Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries)	2011-12-31	$1,375
Value of other receiveables (less allowance for doubtful accounts) at end of year	2011-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at beginning of year	2011-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year	2011-12-31	$0
Other income not declared elsewhere	2011-12-31	$541
Administrative expenses (other) incurred	2011-12-31	$0
Liabilities. Value of operating payables at beginning of year	2011-12-31	$0
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2011-12-31	No
Value of net income/loss	2011-12-31	$-1,267,677
Value of net assets at end of year (total assets less liabilities)	2011-12-31	$13,937,949
Value of net assets at beginning of year (total assets less liabilities)	2011-12-31	$15,205,626
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2011-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2011-12-31	No
Amount of loans by the plan or fixed income obligations due to the plan which were in default/classified-as-uncollectible as of the close of the plan year	2011-12-31	$0
Were any leases to which the plan was party in default or uncollectible	2011-12-31	No
Amount of leases to which the plan was a party which were in default/classified-as-uncollectible during the year	2011-12-31	$0
Investment advisory and management fees	2011-12-31	$30,217
Value of interest in registered invesment companies (eg mutual funds) at end of year	2011-12-31	$4,170,545
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2011-12-31	$4,838,578
Value of interest in pooled separate accounts at end of year	2011-12-31	$9,089,000
Value of interest in pooled separate accounts at beginning of year	2011-12-31	$9,928,640
Interest on participant loans	2011-12-31	$6,808
Income. Interest from loans (other than to participants)	2011-12-31	$0
Interest earned on other investments	2011-12-31	$3,697
Income. Interest from US Government securities	2011-12-31	$0
Income. Interest from corporate debt instruments	2011-12-31	$0
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2011-12-31	$0
Value of funds held in insurance company general accounts (unallocated contracts) at end of year	2011-12-31	$180,225
Value of funds held in insurance company general accounts (unallocated contracts) at beginning of year	2011-12-31	$188,935
Expenses. Payments to insurance carriers foe the provision of benefits	2011-12-31	$0
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2011-12-31	$-154,124
Net investment gain/loss from pooled separate accounts	2011-12-31	$-114,008
Net investment gain or loss from common/collective trusts	2011-12-31	$0
Net gain/loss from 103.12 investment entities	2011-12-31	$0
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2011-12-31	No
Was there a failure to transmit to the plan any participant contributions	2011-12-31	No
Has the plan failed to provide any benefit when due under the plan	2011-12-31	No
Contributions received in cash from employer	2011-12-31	$302,814
Employer contributions (assets) at end of year	2011-12-31	$142,000
Employer contributions (assets) at beginning of year	2011-12-31	$0
Income. Dividends from preferred stock	2011-12-31	$0
Income. Dividends from common stock	2011-12-31	$0
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2011-12-31	$3,464,360
Contract administrator fees	2011-12-31	$2,646
Liabilities. Value of benefit claims payable at beginning of year	2011-12-31	$0
Did the plan have assets held for investment	2011-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2011-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2011-12-31	No
Aggregate proceeds on sale of assets	2011-12-31	$0
Aggregate carrying amount (costs) on sale of assets	2011-12-31	$0
Liabilities. Value of acquisition indebtedness at beginning of year	2011-12-31	$0
Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d)	2011-12-31	Yes
Opinion of an independent qualified public accountant for this plan	2011-12-31	Disclaimer
Accountancy firm name	2011-12-31	WEISERMAZARS, LLP
Accountancy firm EIN	2011-12-31	131459550
2010 : GREENHILL & CO., INC. 401(K) PROFIT SHARING PLAN 2010 401k financial data
Unrealized appreciation/depreciation of real estate assets	2010-12-31	$0
Unrealized appreciation/depreciation of other (non real estate) assets	2010-12-31	$0
Total unrealized appreciation/depreciation of assets	2010-12-31	$0
Total transfer of assets to this plan	2010-12-31	$0
Total transfer of assets from this plan	2010-12-31	$0
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2010-12-31	$0
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2010-12-31	$0
Total income from all sources (including contributions)	2010-12-31	$4,039,757
Total loss/gain on sale of assets	2010-12-31	$0
Total of all expenses incurred	2010-12-31	$922,292
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2010-12-31	$894,397
Expenses. Certain deemed distributions of participant loans	2010-12-31	$0
Value of total corrective distributions	2010-12-31	$0
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2010-12-31	$2,148,954
Value of total assets at end of year	2010-12-31	$15,205,626
Value of total assets at beginning of year	2010-12-31	$12,088,161
Total of administrative expenses incurred including professional, contract, advisory and management fees	2010-12-31	$27,895
Total income from rents	2010-12-31	$0
Total interest from all sources	2010-12-31	$12,082
Total dividends received (eg from common stock, registered investment company shares)	2010-12-31	$72,033
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2010-12-31	No
Total dividends received from registered investment company shares (eg mutual funds)	2010-12-31	$72,033
Administrative expenses professional fees incurred	2010-12-31	$0
Was this plan covered by a fidelity bond	2010-12-31	Yes
Value of fidelity bond cover	2010-12-31	$1,000,000
If this is an individual account plan, was there a blackout period	2010-12-31	No
Total value of distributions paid in property other than in cash, annuity contracts, or publicly traded employer securities	2010-12-31	$0
Were there any nonexempt tranactions with any party-in-interest	2010-12-31	No
Amount of non-exempt transactions with any party-in-interest	2010-12-31	$0
Contributions received from participants	2010-12-31	$1,806,705
Participant contributions at end of year	2010-12-31	$249,473
Participant contributions at beginning of year	2010-12-31	$255,805
Participant contributions at end of year	2010-12-31	$0
Participant contributions at beginning of year	2010-12-31	$1,000
Income. Received or receivable in cash from other sources (including rollovers)	2010-12-31	$172,913
Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries)	2010-12-31	$1,438
Value of other receiveables (less allowance for doubtful accounts) at end of year	2010-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at beginning of year	2010-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year	2010-12-31	$0
Other income not declared elsewhere	2010-12-31	$1,574
Administrative expenses (other) incurred	2010-12-31	$0
Liabilities. Value of operating payables at beginning of year	2010-12-31	$0
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2010-12-31	No
Value of net income/loss	2010-12-31	$3,117,465
Value of net assets at end of year (total assets less liabilities)	2010-12-31	$15,205,626
Value of net assets at beginning of year (total assets less liabilities)	2010-12-31	$12,088,161
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2010-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2010-12-31	No
Amount of loans by the plan or fixed income obligations due to the plan which were in default/classified-as-uncollectible as of the close of the plan year	2010-12-31	$0
Were any leases to which the plan was party in default or uncollectible	2010-12-31	No
Amount of leases to which the plan was a party which were in default/classified-as-uncollectible during the year	2010-12-31	$0
Investment advisory and management fees	2010-12-31	$4,915
Value of interest in registered invesment companies (eg mutual funds) at end of year	2010-12-31	$4,838,578
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2010-12-31	$3,403,237
Value of interest in pooled separate accounts at end of year	2010-12-31	$9,928,640
Value of interest in pooled separate accounts at beginning of year	2010-12-31	$7,521,724
Interest on participant loans	2010-12-31	$7,824
Income. Interest from loans (other than to participants)	2010-12-31	$0
Interest earned on other investments	2010-12-31	$4,258
Income. Interest from US Government securities	2010-12-31	$0
Income. Interest from corporate debt instruments	2010-12-31	$0
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2010-12-31	$0
Value of funds held in insurance company general accounts (unallocated contracts) at end of year	2010-12-31	$188,935
Value of funds held in insurance company general accounts (unallocated contracts) at beginning of year	2010-12-31	$175,383
Expenses. Payments to insurance carriers foe the provision of benefits	2010-12-31	$0
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2010-12-31	$458,144
Net investment gain/loss from pooled separate accounts	2010-12-31	$1,346,970
Net investment gain or loss from common/collective trusts	2010-12-31	$0
Net gain/loss from 103.12 investment entities	2010-12-31	$0
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2010-12-31	No
Was there a failure to transmit to the plan any participant contributions	2010-12-31	No
Has the plan failed to provide any benefit when due under the plan	2010-12-31	No
Contributions received in cash from employer	2010-12-31	$169,336
Employer contributions (assets) at end of year	2010-12-31	$0
Employer contributions (assets) at beginning of year	2010-12-31	$731,012
Income. Dividends from preferred stock	2010-12-31	$0
Income. Dividends from common stock	2010-12-31	$0
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2010-12-31	$892,959
Contract administrator fees	2010-12-31	$22,980
Liabilities. Value of benefit claims payable at beginning of year	2010-12-31	$0
Did the plan have assets held for investment	2010-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2010-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2010-12-31	No
Aggregate proceeds on sale of assets	2010-12-31	$0
Aggregate carrying amount (costs) on sale of assets	2010-12-31	$0
Liabilities. Value of acquisition indebtedness at beginning of year	2010-12-31	$0
Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d)	2010-12-31	Yes
Opinion of an independent qualified public accountant for this plan	2010-12-31	Disclaimer
Accountancy firm name	2010-12-31	WEISERMAZARS LLP
Accountancy firm EIN	2010-12-31	131459550
2009 : GREENHILL & CO., INC. 401(K) PROFIT SHARING PLAN 2009 401k financial data
Total value of distributions paid in property other than in cash, annuity contracts, or publicly traded employer securities	2009-12-31	$0

Form 5500 Responses for GREENHILL & CO., INC. 401(K) PROFIT SHARING PLAN

2023: GREENHILL & CO., INC. 401(K) PROFIT SHARING PLAN 2023 form 5500 responses
2023-01-01	Type of plan entity	Single employer plan
2023-01-01	Submission has been amended	No
2023-01-01	This submission is the final filing	No
2023-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2023-01-01	Plan is a collectively bargained plan	No
2023-01-01	Plan funding arrangement – Trust	Yes
2023-01-01	Plan benefit arrangement - Trust	Yes
2022: GREENHILL & CO., INC. 401(K) PROFIT SHARING PLAN 2022 form 5500 responses
2022-01-01	Type of plan entity	Single employer plan
2022-01-01	Submission has been amended	Yes
2022-01-01	This submission is the final filing	No
2022-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2022-01-01	Plan is a collectively bargained plan	No
2022-01-01	Plan funding arrangement – Trust	Yes
2022-01-01	Plan benefit arrangement - Trust	Yes
2021: GREENHILL & CO., INC. 401(K) PROFIT SHARING PLAN 2021 form 5500 responses
2021-01-01	Type of plan entity	Single employer plan
2021-01-01	Submission has been amended	No
2021-01-01	This submission is the final filing	No
2021-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2021-01-01	Plan is a collectively bargained plan	No
2021-01-01	Plan funding arrangement – Trust	Yes
2021-01-01	Plan benefit arrangement - Trust	Yes
2020: GREENHILL & CO., INC. 401(K) PROFIT SHARING PLAN 2020 form 5500 responses
2020-01-01	Type of plan entity	Single employer plan
2020-01-01	Submission has been amended	No
2020-01-01	This submission is the final filing	No
2020-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2020-01-01	Plan is a collectively bargained plan	No
2020-01-01	Plan funding arrangement – Trust	Yes
2020-01-01	Plan benefit arrangement - Trust	Yes
2019: GREENHILL & CO., INC. 401(K) PROFIT SHARING PLAN 2019 form 5500 responses
2019-01-01	Type of plan entity	Single employer plan
2019-01-01	Submission has been amended	No
2019-01-01	This submission is the final filing	No
2019-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2019-01-01	Plan is a collectively bargained plan	No
2019-01-01	Plan funding arrangement – Trust	Yes
2019-01-01	Plan benefit arrangement - Trust	Yes
2018: GREENHILL & CO., INC. 401(K) PROFIT SHARING PLAN 2018 form 5500 responses
2018-01-01	Type of plan entity	Single employer plan
2018-01-01	Submission has been amended	No
2018-01-01	This submission is the final filing	No
2018-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2018-01-01	Plan is a collectively bargained plan	No
2018-01-01	Plan funding arrangement – Trust	Yes
2018-01-01	Plan benefit arrangement - Trust	Yes
2017: GREENHILL & CO., INC. 401(K) PROFIT SHARING PLAN 2017 form 5500 responses
2017-01-01	Type of plan entity	Single employer plan
2017-01-01	Submission has been amended	No
2017-01-01	This submission is the final filing	No
2017-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2017-01-01	Plan is a collectively bargained plan	No
2017-01-01	Plan funding arrangement – Trust	Yes
2017-01-01	Plan benefit arrangement - Trust	Yes
2016: GREENHILL & CO., INC. 401(K) PROFIT SHARING PLAN 2016 form 5500 responses
2016-01-01	Type of plan entity	Single employer plan
2016-01-01	Submission has been amended	No
2016-01-01	This submission is the final filing	No
2016-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2016-01-01	Plan is a collectively bargained plan	No
2016-01-01	Plan funding arrangement – Trust	Yes
2016-01-01	Plan benefit arrangement - Trust	Yes
2015: GREENHILL & CO., INC. 401(K) PROFIT SHARING PLAN 2015 form 5500 responses
2015-01-01	Type of plan entity	Single employer plan
2015-01-01	Submission has been amended	No
2015-01-01	This submission is the final filing	No
2015-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2015-01-01	Plan is a collectively bargained plan	No
2015-01-01	Plan funding arrangement – Trust	Yes
2015-01-01	Plan benefit arrangement - Trust	Yes
2014: GREENHILL & CO., INC. 401(K) PROFIT SHARING PLAN 2014 form 5500 responses
2014-01-01	Type of plan entity	Single employer plan
2014-01-01	Submission has been amended	No
2014-01-01	This submission is the final filing	No
2014-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2014-01-01	Plan is a collectively bargained plan	No
2014-01-01	Plan funding arrangement – Insurance	Yes
2014-01-01	Plan funding arrangement – Trust	Yes
2014-01-01	Plan benefit arrangement – Insurance	Yes
2014-01-01	Plan benefit arrangement - Trust	Yes
2013: GREENHILL & CO., INC. 401(K) PROFIT SHARING PLAN 2013 form 5500 responses
2013-01-01	Type of plan entity	Single employer plan
2013-01-01	This submission is the final filing	No
2013-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2013-01-01	Plan is a collectively bargained plan	No
2013-01-01	Plan funding arrangement – Insurance	Yes
2013-01-01	Plan funding arrangement – Trust	Yes
2013-01-01	Plan benefit arrangement – Insurance	Yes
2013-01-01	Plan benefit arrangement - Trust	Yes
2012: GREENHILL & CO., INC. 401(K) PROFIT SHARING PLAN 2012 form 5500 responses
2012-01-01	Type of plan entity	Single employer plan
2012-01-01	Submission has been amended	Yes
2012-01-01	This submission is the final filing	No
2012-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2012-01-01	Plan is a collectively bargained plan	No
2012-01-01	Plan funding arrangement – Insurance	Yes
2012-01-01	Plan funding arrangement – Trust	Yes
2012-01-01	Plan benefit arrangement – Insurance	Yes
2012-01-01	Plan benefit arrangement - Trust	Yes
2011: GREENHILL & CO., INC. 401(K) PROFIT SHARING PLAN 2011 form 5500 responses
2011-01-01	Type of plan entity	Single employer plan
2011-01-01	This submission is the final filing	No
2011-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2011-01-01	Plan is a collectively bargained plan	No
2011-01-01	Plan funding arrangement – Insurance	Yes
2011-01-01	Plan funding arrangement – Trust	Yes
2011-01-01	Plan benefit arrangement – Insurance	Yes
2011-01-01	Plan benefit arrangement - Trust	Yes
2010: GREENHILL & CO., INC. 401(K) PROFIT SHARING PLAN 2010 form 5500 responses
2010-01-01	Type of plan entity	Single employer plan
2010-01-01	This submission is the final filing	No
2010-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2010-01-01	Plan is a collectively bargained plan	No
2010-01-01	Plan funding arrangement – Insurance	Yes
2010-01-01	Plan funding arrangement – Trust	Yes
2010-01-01	Plan benefit arrangement – Insurance	Yes
2010-01-01	Plan benefit arrangement - Trust	Yes
2009: GREENHILL & CO., INC. 401(K) PROFIT SHARING PLAN 2009 form 5500 responses
2009-01-01	Type of plan entity	Single employer plan
2009-01-01	This submission is the final filing	No
2009-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2009-01-01	Plan is a collectively bargained plan	No
2009-01-01	Plan funding arrangement – Insurance	Yes
2009-01-01	Plan funding arrangement – Trust	Yes
2009-01-01	Plan benefit arrangement – Insurance	Yes
2009-01-01	Plan benefit arrangement - Trust	Yes

Insurance Providers Used on plan

PRINCIPAL LIFE INSURANCE COMPANY (National Association of Insurance Commissioners NAIC id number: 61271 )
Policy contract number	450640
Policy instance	1
Insurance contract or identification number 450640 Number of Individuals Covered 0 Insurance policy start date 2014-01-01 Insurance policy end date 2014-03-31 Total amount of commissions paid to insurance broker USD $0 Total amount of fees paid to insurance company USD $0 Are there contracts with allocated funds for individual policies? No Are there contracts with allocated funds for group deferred annuity? No Are there contracts with allocated funds for types other than group deferred annuity or individual? No Contract purchased, in whole or in part, to distribute benefits from a terminating plan No Contracts With Unallocated Funds Deposit Administration 0 Are there contracts with unallocated funds for contracts of type immediate participation guarantee? No Are there contracts with unallocated funds for contracts of type guaranteed investment? No Are there contracts with unallocated funds for contract types other than deposit administration, immediate participation guarantee or guaranteed investment? Yes Health Insurance Welfare Benefit No Dental Insurance Welfare Benefit No Vision Insurance Welfare Benefit No Life Insurance Welfare Benefit No Temporary Disability Insurance Welfare Benefit No Long Term Disability Insurance Welfare Benefit No Unemployment Insurance Welfare Benefit No Were dividends or retroactive rate refunds paid in cash? No Were dividends or retroactive rate refunds paid as a credit? No Did the insurance company fail to provide any information necessary to complete Schedule A of form 5500? No Commission paid to Insurance Broker USD $0 Amount paid for insurance broker fees 0 Insurance broker name
PRINCIPAL LIFE INSURANCE COMPANY (National Association of Insurance Commissioners NAIC id number: 61271 )
Policy contract number	450640
Policy instance	1
Insurance contract or identification number 450640 Number of Individuals Covered 234 Insurance policy start date 2013-01-01 Insurance policy end date 2013-12-31 Total amount of commissions paid to insurance broker USD $0 Total amount of fees paid to insurance company USD $0 Contract purchased, in whole or in part, to distribute benefits from a terminating plan No Are there contracts with unallocated funds for contract types other than deposit administration, immediate participation guarantee or guaranteed investment? Yes Did the insurance company fail to provide any information necessary to complete Schedule A of form 5500? No
PRINCIPAL LIFE INSURANCE COMPANY (National Association of Insurance Commissioners NAIC id number: 61271 )
Policy contract number	450640
Policy instance	1
Insurance contract or identification number 450640 Number of Individuals Covered 227 Insurance policy start date 2012-01-01 Insurance policy end date 2012-12-31 Total amount of commissions paid to insurance broker USD $0 Total amount of fees paid to insurance company USD $0 Contract purchased, in whole or in part, to distribute benefits from a terminating plan No Are there contracts with unallocated funds for contract types other than deposit administration, immediate participation guarantee or guaranteed investment? Yes Did the insurance company fail to provide any information necessary to complete Schedule A of form 5500? No
PRINCIPAL LIFE INSURANCE COMPANY (National Association of Insurance Commissioners NAIC id number: 61271 )
Policy contract number	450640
Policy instance	1
Insurance contract or identification number 450640 Number of Individuals Covered 214 Insurance policy start date 2011-01-01 Insurance policy end date 2011-12-31 Total amount of commissions paid to insurance broker USD $0 Total amount of fees paid to insurance company USD $968 Contract purchased, in whole or in part, to distribute benefits from a terminating plan No Are there contracts with unallocated funds for contract types other than deposit administration, immediate participation guarantee or guaranteed investment? Yes Did the insurance company fail to provide any information necessary to complete Schedule A of form 5500? No
PRINCIPAL LIFE INSURANCE COMPANY (National Association of Insurance Commissioners NAIC id number: 61271 )
Policy contract number	450640
Policy instance	1
Insurance contract or identification number 450640 Number of Individuals Covered 235 Insurance policy start date 2010-01-01 Insurance policy end date 2010-12-31 Total amount of commissions paid to insurance broker USD $16,723 Total amount of fees paid to insurance company USD $3,395 Contract purchased, in whole or in part, to distribute benefits from a terminating plan No Are there contracts with unallocated funds for contract types other than deposit administration, immediate participation guarantee or guaranteed investment? Yes Did the insurance company fail to provide any information necessary to complete Schedule A of form 5500? No