<SEC-DOCUMENT>0001193125-20-192567-index.html : 20200714
<SEC-HEADER>0001193125-20-192567.hdr.sgml : 20200714
<ACCEPTANCE-DATETIME>20200714152843
ACCESSION NUMBER:		0001193125-20-192567
CONFORMED SUBMISSION TYPE:	S-1/A
PUBLIC DOCUMENT COUNT:		31
FILED AS OF DATE:		20200714
DATE AS OF CHANGE:		20200714

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:		S-1/A
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-239542
		FILM NUMBER:		201027127

	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-1/A
<SEQUENCE>1
<FILENAME>d792332ds1a.htm
<DESCRIPTION>S-1/A
<TEXT>
Document 1 - file: d792332ds1a.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-3.7 <SEQUENCE>2 <FILENAME>d792332dex37.htm <DESCRIPTION>EX-3.7 <TEXT> Document 2 - file: d792332dex37.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-3.8 <SEQUENCE>3 <FILENAME>d792332dex38.htm <DESCRIPTION>EX-3.8 <TEXT> Document 3 - file: d792332dex38.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-4.4 <SEQUENCE>4 <FILENAME>d792332dex44.htm <DESCRIPTION>EX-4.4 <TEXT> Document 4 - file: d792332dex44.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-5.1 <SEQUENCE>5 <FILENAME>d792332dex51.htm <DESCRIPTION>EX-5.1 <TEXT> Document 5 - file: d792332dex51.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-10.26 <SEQUENCE>6 <FILENAME>d792332dex1026.htm <DESCRIPTION>EX-10.26 <TEXT> Document 6 - file: d792332dex1026.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-21.1 <SEQUENCE>7 <FILENAME>d792332dex211.htm <DESCRIPTION>EX-21.1 <TEXT> Document 7 - file: d792332dex211.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-23.1 <SEQUENCE>8 <FILENAME>d792332dex231.htm <DESCRIPTION>EX-23.1 <TEXT> Document 8 - file: d792332dex231.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-23.2 <SEQUENCE>9 <FILENAME>d792332dex232.htm <DESCRIPTION>EX-23.2 <TEXT> Document 9 - file: d792332dex232.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-23.3 <SEQUENCE>10 <FILENAME>d792332dex233.htm <DESCRIPTION>EX-23.3 <TEXT> Document 10 - file: d792332dex233.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-23.5 <SEQUENCE>11 <FILENAME>d792332dex235.htm <DESCRIPTION>EX-23.5 <TEXT> Document 11 - file: d792332dex235.htm
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>12 <FILENAME>g7923322.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 12 - file: g7923322.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>13 <FILENAME>g7923323.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 13 - file: g7923323.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>14 <FILENAME>g792332egate2.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 14 - file: g792332egate2.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>15 <FILENAME>g792332egate3.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 15 - file: g792332egate3.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>16 <FILENAME>g792332egate4.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 16 - file: g792332egate4.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>17 <FILENAME>g792332egate5.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 17 - file: g792332egate5.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>18 <FILENAME>g792332g05r55.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 18 - file: g792332g05r55.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>19 <FILENAME>g792332g12p28.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 19 - file: g792332g12p28.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>20 <FILENAME>g792332g14b57.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 20 - file: g792332g14b57.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>21 <FILENAME>g792332g18s56.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 21 - file: g792332g18s56.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>22 <FILENAME>g792332g23e19.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 22 - file: g792332g23e19.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>23 <FILENAME>g792332g26r87.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 23 - file: g792332g26r87.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>24 <FILENAME>g792332g29q35.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 24 - file: g792332g29q35.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>25 <FILENAME>g792332g29q88.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 25 - file: g792332g29q88.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>26 <FILENAME>g792332g31s02.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 26 - file: g792332g31s02.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>27 <FILENAME>g792332g52l23.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 27 - file: g792332g52l23.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>28 <FILENAME>g792332g55q57.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 28 - file: g792332g55q57.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>29 <FILENAME>g792332g89s43.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 29 - file: g792332g89s43.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>30 <FILENAME>g792332g99g91.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 30 - file: g792332g99g91.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>31 <FILENAME>g792332logotype.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 31 - file: g792332logotype.jpg
</DOCUMENT> </SEC-DOCUMENT>