Exhibit 23.1
CONSENT OF INDEPENDENT CERTIFIED REGISTERED PUBLIC
ACCOUNTING FIRM
We hereby consent to the incorporation by reference in the Registration Statements on Form S-8 (Nos. 333-69951, 333-90635 and 333-39460), and in the Registration Statements on Form S-3 (Nos. 333-87749 and 333-32342), of Answerthink, Inc. of our report dated 19 May 2006 relating to the financial statements of REL Consultancy Group Limited which appear in this Current Report on Form 8-K/A.
/s/GRANT THORNTON UK LLP
Chartered Accountants
Registered Auditors
Grant Thornton House
Melton Street
London NW1 2EP
May 19, 2006