    <SEC-DOCUMENT>0001171843-25-001974-index.html : 20250402
    <SEC-HEADER>0001171843-25-001974.hdr.sgml : 20250402
    <ACCEPTANCE-DATETIME>20250402170054
    ACCESSION NUMBER:		0001171843-25-001974
    CONFORMED SUBMISSION TYPE:	6-K
    PUBLIC DOCUMENT COUNT:		9
    CONFORMED PERIOD OF REPORT:	20250401
    FILED AS OF DATE:		20250402
    DATE AS OF CHANGE:		20250402

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			Colliers International Group Inc.
    		CENTRAL INDEX KEY:			0000913353
    		STANDARD INDUSTRIAL CLASSIFICATION:	REAL ESTATE [6500]
    		ORGANIZATION NAME:           	05 Real Estate & Construction
    		EIN:				000000000
    		STATE OF INCORPORATION:			A6
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		6-K
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-36898
    		FILM NUMBER:		25805807

    	BUSINESS ADDRESS:
    		STREET 1:		1140 BAY STREET
    		STREET 2:		SUITE 4000
    		CITY:			TORONTO
    		STATE:			A6
    		ZIP:			M5S 2B4
    		BUSINESS PHONE:		(416) 960-9500

    	MAIL ADDRESS:
    		STREET 1:		1140 BAY STREET
    		STREET 2:		SUITE 4000
    		CITY:			TORONTO
    		STATE:			A6
    		ZIP:			M5S 2B4

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	FIRSTSERVICE CORP
    		DATE OF NAME CHANGE:	19931013
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>6-K
    <SEQUENCE>1
    <FILENAME>f6k_040225.htm
    <DESCRIPTION>FORM 6-K
    <TEXT>
    Document 1 - file: f6k_040225.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.1
    <SEQUENCE>2
    <FILENAME>exh_991.htm
    <DESCRIPTION>EXHIBIT 99.1
    <TEXT>
    Document 2 - file: exh_991.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.2
    <SEQUENCE>3
    <FILENAME>exh_992.htm
    <DESCRIPTION>EXHIBIT 99.2
    <TEXT>
    Document 3 - file: exh_992.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>4
    <FILENAME>logo.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 4 - file: logo.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>5
    <FILENAME>hennicksig.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 5 - file: hennicksig.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>6
    <FILENAME>hawkinssig.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 6 - file: hawkinssig.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>7
    <FILENAME>performancegraph.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 7 - file: performancegraph.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>8
    <FILENAME>proxy_01.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 8 - file: proxy_01.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>9
    <FILENAME>proxy_02.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 9 - file: proxy_02.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>