Exhibit 32

Certification Pursuant to

18 U.S.C. Section 1350

In connection with the Quarterly Report of AECOM (the “Company”) on Form 10-Q for the quarterly period ended March 31, 2015 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), we, Michael S. Burke, Chief Executive Officer of the Company, and Stephen M. Kadenacy, Chief Financial Officer of the Company, hereby certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that, to our knowledge:

1.The Report fully complies with the requirements of Section 13(a) or Section 15(d) of the Securities Exchange Act of 1934, as amended; 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/ MICHAEL S. BURKE

Michael S. Burke

Chairman and Chief Executive Officer

May 12, 2015

/s/ STEPHEN M. KADENACY

Stephen M. Kadenacy

President and Chief Financial Officer

May 12, 2015