Greenhill & Co (GHL) 10-K/A 2006 FY Annual report (amended)

EXHIBIT 23.1

Consent of Independent Registered Public Accounting Firm

We consent to the use of our reports dated February 21, 2007, included in the Annual Report on Form 10-K of Greenhill & Co., Inc for the year ended December 31, 2006, with respect to the consolidated financial statements and schedules of Greenhill & Co., Inc, incorporated by reference in this Form 10-K/A.

/s/ Ernst & Young LLP

New York, New York
January 22, 2008