Add-on Acquisition • Environmental

Mainline Environmental Acquires HSE Consulting Services

On November 19, 2025, Mainline Environmental acquired environmental company HSE Consulting Services

Acquisition Context

This is Mainline Environmental’s 1st transaction in the Environmental sector.
This is Mainline Environmental’s 1st transaction in the United States.
This is Mainline Environmental’s 1st transaction in New York.

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M&A Deal Summary
Date	November 19, 2025
Target	HSE Consulting Services
Sector	Environmental
Buyer(s)	Mainline Environmental
Deal Type	Add-on Acquisition

Target Company

HSE Consulting Services

Cicero, New York, United States

HSE Consulting Services provides environmental health and safety (EHS) consulting services, including asbestos consulting, mould consulting, indoor air quality testing, industrial hygiene, environmental services, and training in EHS and mould remediation. HSE Consulting Services was founded in 1977 and is based in Cicero, New York.

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Buyer Overview 1

Buyer

Mainline Environmental

Mine Hill Township, New Jersey, United States

Category	Company
Sector	Environmental

DESCRIPTION

Mainline Environmental provides full-service environmental solutions, including testing, compliance consulting, remediation, training and laboratory services for property owners, school districts, municipalities and other organisations. Mainline Environmental is based in Mine Hill Township, New Jersey.

Deal Context for Buyer	#
Overall	1 of 1
Sector: Environmental	1 of 1
Type: Add-on Acquisition	1 of 1
State: New York	1 of 1
Country: United States	1 of 1
Year: 2025	1 of 1

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