Attached files
Exhibit 23.3
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We consent to the incorporation by reference in the registration statements of Great Lakes Dredge & Dock Corporation (the “Company”) on Form S-3 (File No. 333-153207) and Form S-8 (File No. 333-150067) of our report dated March 14, 2011, on our audits of the financial statements of Yankee Environmental Services, LLC (A Limited Liability Company) as of December 31, 2010 and 2009, and for the years then ended, which report is included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2010.
| /s/ J.H. Cohn LLP |
| White Plains, New York March 14, 2011 |