<SEC-DOCUMENT>0001193125-20-197789-index.html : 20200723
<SEC-HEADER>0001193125-20-197789.hdr.sgml : 20200723
<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
</SEC-HEADER>
<DOCUMENT>
<TYPE>424B4
<SEQUENCE>1
<FILENAME>d792332d424b4.htm
<DESCRIPTION>424B4
<TEXT>
Document 1 - file: d792332d424b4.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>g792332egate2.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: g792332egate2.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>g792332egate3.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: g792332egate3.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>g792332egate4.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: g792332egate4.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>g792332egate5.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 5 - file: g792332egate5.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>g792332g05r55.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 6 - file: g792332g05r55.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>g792332g12p28.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 7 - file: g792332g12p28.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>8
<FILENAME>g792332g14b57.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 8 - file: g792332g14b57.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>9
<FILENAME>g792332g18s56.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 9 - file: g792332g18s56.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>10
<FILENAME>g792332g23e19.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 10 - file: g792332g23e19.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>11
<FILENAME>g792332g26r87.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 11 - file: g792332g26r87.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>12
<FILENAME>g792332g29q35.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 12 - file: g792332g29q35.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>13
<FILENAME>g792332g29q88.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 13 - file: g792332g29q88.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>14
<FILENAME>g792332g31s02.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 14 - file: g792332g31s02.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>15
<FILENAME>g792332g52l23.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 15 - file: g792332g52l23.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>16
<FILENAME>g792332g55q57.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 16 - file: g792332g55q57.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>17
<FILENAME>g792332g89s43.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 17 - file: g792332g89s43.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>18
<FILENAME>g792332g99g91.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 18 - file: g792332g99g91.jpg

</DOCUMENT>
</SEC-DOCUMENT>