<SEC-DOCUMENT>0000950170-25-030851-index.html : 20250303
<SEC-HEADER>0000950170-25-030851.hdr.sgml : 20250303
<ACCEPTANCE-DATETIME>20250303161046
ACCESSION NUMBER:		0000950170-25-030851
CONFORMED SUBMISSION TYPE:	S-8
PUBLIC DOCUMENT COUNT:		18
FILED AS OF DATE:		20250303
DATE AS OF CHANGE:		20250303
EFFECTIVENESS DATE:		20250303

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-8
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-285494
		FILM NUMBER:		25697988

	BUSINESS ADDRESS:	
		STREET 1:		4 PARK PLAZA, SUITE 790
		CITY:			IRVINE
		STATE:			CA
		ZIP:			92614
		BUSINESS PHONE:		(949) 988-3500

	MAIL ADDRESS:	
		STREET 1:		4 PARK PLAZA, SUITE 790
		CITY:			IRVINE
		STATE:			CA
		ZIP:			92614
</SEC-HEADER>
<DOCUMENT>
<TYPE>S-8
<SEQUENCE>1
<FILENAME>meg-20250228.htm
<DESCRIPTION>S-8
<TEXT>
Document 1 - file: meg-20250228.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-5.1
<SEQUENCE>2
<FILENAME>meg-ex5_1.htm
<DESCRIPTION>EX-5.1
<TEXT>
Document 2 - file: meg-ex5_1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.1
<SEQUENCE>3
<FILENAME>meg-ex23_1.htm
<DESCRIPTION>EX-23.1
<TEXT>
Document 3 - file: meg-ex23_1.htm

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

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>img149506697_0.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 5 - file: img149506697_0.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>gfx149506697_0.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 6 - file: gfx149506697_0.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>gfx149506697_1.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 7 - file: gfx149506697_1.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>9
<FILENAME>R1.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 9 - file: R1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>10
<FILENAME>R2.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 10 - file: R2.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>11
<FILENAME>R3.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 11 - file: R3.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EXCEL
<SEQUENCE>12
<FILENAME>Financial_Report.xlsx
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 12 - file: Financial_Report.xlsx

</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>13
<FILENAME>Show.js
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 13 - file: Show.js

</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>14
<FILENAME>report.css
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 14 - file: report.css

</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>16
<FILENAME>FilingSummary.xml
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 16 - file: FilingSummary.html

Document 16 - RAW XML: FilingSummary.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>JSON
<SEQUENCE>18
<FILENAME>MetaLinks.json
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 18 - file: MetaLinks.json

</DOCUMENT>
<DOCUMENT>
<TYPE>ZIP
<SEQUENCE>19
<FILENAME>0000950170-25-030851-xbrl.zip
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 19 - file: 0000950170-25-030851-xbrl.zip

</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>20
<FILENAME>meg_exfilingfees_htm.xml
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 20 - file: meg_exfilingfees_htm.html

Document 20 - RAW XML: meg_exfilingfees_htm.xml

</DOCUMENT>
</SEC-DOCUMENT>