<SEC-DOCUMENT>0001193125-24-097716-index.html : 20240416
<SEC-HEADER>0001193125-24-097716.hdr.sgml : 20240416
<ACCEPTANCE-DATETIME>20240416160125
ACCESSION NUMBER:		0001193125-24-097716
CONFORMED SUBMISSION TYPE:	S-3ASR
PUBLIC DOCUMENT COUNT:		7
FILED AS OF DATE:		20240416
DATE AS OF CHANGE:		20240416
EFFECTIVENESS DATE:		20240416

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Montrose Environmental Group, Inc.
		CENTRAL INDEX KEY:			0001643615
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-MANAGEMENT CONSULTING SERVICES [8742]
		ORGANIZATION NAME:           	07 Trade & Services
		IRS NUMBER:				464195044
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		S-3ASR
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-278725
		FILM NUMBER:		24847771

	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
</SEC-HEADER>
<DOCUMENT>
<TYPE>S-3ASR
<SEQUENCE>1
<FILENAME>d732049ds3asr.htm
<DESCRIPTION>S-3ASR
<TEXT>
Document 1 - file: d732049ds3asr.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-5.1
<SEQUENCE>2
<FILENAME>d732049dex51.htm
<DESCRIPTION>EX-5.1
<TEXT>
Document 2 - file: d732049dex51.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.1
<SEQUENCE>3
<FILENAME>d732049dex231.htm
<DESCRIPTION>EX-23.1
<TEXT>
Document 3 - file: d732049dex231.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-FILING FEES
<SEQUENCE>4
<FILENAME>d732049dexfilingfees.htm
<DESCRIPTION>EX-FILING FEES
<TEXT>
Document 4 - file: d732049dexfilingfees.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>g732049g01a01.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 5 - file: g732049g01a01.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>g732049g99g91.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 6 - file: g732049g99g91.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>g732049gibsondunn.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 7 - file: g732049gibsondunn.jpg

</DOCUMENT>
</SEC-DOCUMENT>