    <SEC-DOCUMENT>0000890564-25-000023-index.html : 20250424
    <SEC-HEADER>0000890564-25-000023.hdr.sgml : 20250424
    <ACCEPTANCE-DATETIME>20250424161706
    ACCESSION NUMBER:		0000890564-25-000023
    CONFORMED SUBMISSION TYPE:	ARS
    PUBLIC DOCUMENT COUNT:		1
    CONFORMED PERIOD OF REPORT:	20241231
    FILED AS OF DATE:		20250424
    DATE AS OF CHANGE:		20250424
    EFFECTIVENESS DATE:		20250424

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			ASGN Inc
    		CENTRAL INDEX KEY:			0000890564
    		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-HELP SUPPLY SERVICES [7363]
    		ORGANIZATION NAME:           	07 Trade & Services
    		EIN:				954023433
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		ARS
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-35636
    		FILM NUMBER:		25867560

    	BUSINESS ADDRESS:
    		STREET 1:		4400 COX ROAD, SUITE 110
    		CITY:			GLEN ALLEN
    		STATE:			VA
    		ZIP:			23060
    		BUSINESS PHONE:		8188787900

    	MAIL ADDRESS:
    		STREET 1:		4400 COX ROAD, SUITE 110
    		CITY:			GLEN ALLEN
    		STATE:			VA
    		ZIP:			23060

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	ON ASSIGNMENT INC
    		DATE OF NAME CHANGE:	19930328
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>ARS
    <SEQUENCE>1
    <FILENAME>asgnannualreport2024.pdf
    <DESCRIPTION>ARS
    <TEXT>
    Document 1 - file: asgnannualreport2024.pdf

    </DOCUMENT>
    </SEC-DOCUMENT>