ERM Acquires Coho
February 14, 2023
ERM, the global sustainability consultancy, has acquired Coho, a climate, renewable energy and water advisory firm based near Washington, DC. The deal brings Coho’s ~50-person team and specialist capabilities into ERM to expand climate, renewable energy and water resiliency advisory services and accelerate clients’ decarbonization and water-optimization efforts.
- Buyers
- ERM
- Targets
- Coho
- Industry
- Environmental Services
- Location
- Maryland, United States
- Transaction Type
- Buyout
Explore More
Related Acquisitions
-
KKR Acquires Majority Stake in ERM from OMERS Private Equity and AIMCo
May 17, 2021
Environmental Services
KKR has signed an agreement to acquire a majority position in Environmental Resources Management (ERM) from OMERS Private Equity and Alberta Investment Management Corporation (AIMCo), with ERM management and Partners remaining minority investors. The transaction, intended to accelerate ERM's growth and broaden its sustainability capabilities and technologies, is expected to close in Q3 2021 subject to regulatory approvals; financial terms were not disclosed.
-
ERM Acquires Stratos Inc.
November 9, 2021
Environmental Services
ERM has acquired Stratos Inc., a Canada-based sustainability and ESG advisory firm founded in 2000 in Ottawa. The deal adds more than 30 Canada-based sustainability practitioners to ERM and strengthens ERM's sustainability and climate-change advisory capabilities and presence in Canada, including expertise in Indigenous partnership and stakeholder engagement.
-
ERM Acquires M.J. Bradley & Associates LLC
March 17, 2020
Environmental Services
ERM has acquired M.J. Bradley & Associates LLC (MJB&A), a specialist energy, climate change and sustainability advisory firm founded in 1994 by Michael Bradley. The acquisition strengthens ERM’s corporate sustainability, climate policy and energy-sector advisory capabilities—particularly for power, natural gas and advanced transportation clients in North America.
-
ERM Acquires NewFields Environmental Division
April 1, 2025
Environmental Services
On April 1, 2025, ERM completed the acquisition of the Environmental Division of NewFields. The deal brings 110 technical experts into ERM as "ERM NewFields," strengthening ERM’s capabilities in environmental forensics, remediation, data analytics, sediment and marine sciences, hydrogeology and groundwater modeling; the division and associated support services were acquired from NewFields Companies while remaining NewFields businesses continue to operate independently.
-
ERM Acquires Sustainability Marketing and Communications Agency Shelton Group
October 10, 2022
Marketing & Advertising
ERM, the global sustainability consultancy, has acquired Shelton Group, a Knoxville-based sustainability-focused marketing and communications agency. Shelton Group will join ERM’s Change & Transformation team to strengthen ERM’s sustainability storytelling, ESG reporting and communications capabilities for corporate clients across sectors.
-
EMCOR Group Acquires ECM Holding Group
July 5, 2023
Energy
EMCOR Group, Inc. has agreed to acquire ECM Holding Group, Inc., a national energy-efficiency specialty services firm headquartered in Oshkosh, Wisconsin, in an all-cash transaction. The acquisition expands EMCOR's energy efficiency and sustainability services capabilities, adding ECM's HVAC, lighting, water, weatherization and airflow management offerings (ECM had estimated 2023 revenues of $60 million).
Track M&A activity that matters to you
Get real-time deal alerts, build buyer lists with AI, and access our full acquisition database. Start your free trial today.