    <SEC-DOCUMENT>0001193125-20-197789-index.html : 20200723
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    <ACCEPTANCE-DATETIME>20200723161205
    ACCESSION NUMBER:		0001193125-20-197789
    CONFORMED SUBMISSION TYPE:	424B4
    PUBLIC DOCUMENT COUNT:		18
    FILED AS OF DATE:		20200723
    DATE AS OF CHANGE:		20200723

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			Montrose Environmental Group, Inc.
    		CENTRAL INDEX KEY:			0001643615
    		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-MANAGEMENT CONSULTING SERVICES [8742]
    		IRS NUMBER:				464195044
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		424B4
    		SEC ACT:		1933 Act
    		SEC FILE NUMBER:	333-239542
    		FILM NUMBER:		201043781

    	BUSINESS ADDRESS:
    		STREET 1:		1 PARK PLAZA, SUITE 1000
    		CITY:			IRVINE
    		STATE:			CA
    		ZIP:			92614
    		BUSINESS PHONE:		(949) 988-3500

    	MAIL ADDRESS:
    		STREET 1:		1 PARK PLAZA, SUITE 1000
    		CITY:			IRVINE
    		STATE:			CA
    		ZIP:			92614
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