    <SEC-DOCUMENT>0001628280-25-001828-index.html : 20250117
    <SEC-HEADER>0001628280-25-001828.hdr.sgml : 20250117
    <ACCEPTANCE-DATETIME>20250117160947
    ACCESSION NUMBER:		0001628280-25-001828
    CONFORMED SUBMISSION TYPE:	DEFA14A
    PUBLIC DOCUMENT COUNT:		4
    FILED AS OF DATE:		20250117
    DATE AS OF CHANGE:		20250117

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			AECOM
    		CENTRAL INDEX KEY:			0000868857
    		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-ENGINEERING SERVICES [8711]
    		ORGANIZATION NAME:           	07 Trade & Services
    		IRS NUMBER:				611088522
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			0930

    	FILING VALUES:
    		FORM TYPE:		DEFA14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	000-52423
    		FILM NUMBER:		25538765

    	BUSINESS ADDRESS:
    		STREET 1:		13355 NOEL ROAD
    		STREET 2:		SUITE 400
    		CITY:			DALLAS
    		STATE:			TX
    		ZIP:			75240
    		BUSINESS PHONE:		(972) 788-1000

    	MAIL ADDRESS:
    		STREET 1:		13355 NOEL ROAD
    		STREET 2:		SUITE 400
    		CITY:			DALLAS
    		STATE:			TX
    		ZIP:			75240

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	AECOM TECHNOLOGY CORP
    		DATE OF NAME CHANGE:	19901017
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>DEFA14A
    <SEQUENCE>1
    <FILENAME>a2025defa14a.htm
    <DESCRIPTION>DEFA14A
    <TEXT>
    Document 1 - file: a2025defa14a.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>2
    <FILENAME>aecomlogoblacka.jpg
    <TEXT>
    Document 2 - file: aecomlogoblacka.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>3
    <FILENAME>defa14a2025notice-1a.jpg
    <TEXT>
    Document 3 - file: defa14a2025notice-1a.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>4
    <FILENAME>defa14a2025notice-2a.jpg
    <TEXT>
    Document 4 - file: defa14a2025notice-2a.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>