AECOM (ACM) S-8 Registration of securities for employees

Exhibit 23.2

Consent of Independent Registered Public Accounting Firm

We consent to the incorporation by reference in this Registration Statement (Form S-8) pertaining to the AECOM Amended & Restated 2016 Stock Incentive Plan of our reports dated November 15, 2016, with respect to the consolidated financial statements and schedule of AECOM and the effectiveness of internal control over financial reporting of AECOM included in its Annual Report (Form 10-K) for the year ended September 30, 2016, filed with the Securities and Exchange Commission.

/s/ Ernst & Young LLP

Los Angeles, California

March 3, 2017