Avanade 10-Q 2008 Q2 Quarterly report

EXHIBIT 32.1

Certification of the Chief Executive Officer and the Chief Financial Officer
Pursuant to 18 U.S.C. Section 1350,
As Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

In connection with the Quarterly Report of Avanade Inc. (the “Company”) onForm 10-Q for the period ended February 29, 2008, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), the undersigned, the Chief Executive Officer and the Chief Financial Officer of the Company, each do hereby certify, pursuant to 18 U.S.C. § 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

(1) The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(2) The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

/s/   Mitchell C. Hill	/s/   Dennis K. Knapp
Mitchell C. Hill	Dennis K. Knapp
Chief Executive Officer	Chief Financial Officer

Dated: April 14, 2008

A signed original of this written statement required by Section 906, or other document authenticating, acknowledging, or otherwise adopting the signature that appears in typed form within the electronic version of this written statement required by Section 906, has been provided to the Company and will be retained by the Company and furnished to the Securities and Exchange Commission or its staff upon request.