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EXHIBIT 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in the Registration Statement (Form S-8 No. 333-142070) pertaining to the registration statement under the Securities Act of 1933 of our report dated November 26, 2007, with respect to the consolidated financial statements of AECOM Technology Corporation, included in the Form 10-K for the year ended September 30, 2007.

/s/ Ernst & Young LLP

Los Angeles, California
December 10, 2007

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EXHIBIT 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM