ERM, the world’s largest pure play sustainability consultancy, has acquired Coho, a global advisory firm with deep expertise in helping organizations reach their climate change, renewable energy and water resiliency goals.  

The services offered by Coho’s team of experts include market insights, strategy development and change management to reduce direct emissions; procure renewable energy; achieve electric vehicle transition, fuel switching, and supply chain improvements; and capture fundamental enhancements in water resiliency.   

Combined with ERM’s strategic transformation and technical delivery capabilities, the acquisition will provide clients with further support to deliver their climate goals and realize the commercial opportunities presented by decarbonization and water optimization. 

Susan Angyal, Regional Chief Executive Officer for North America at ERM, said: “At a time when commitments such as the Inflation Reduction Act present a historic opportunity to build a new clean energy economy, we are delighted to welcome Coho’s specialist climate, renewable energy and water consulting expertise to ERM. We’re looking forward to working with the team to develop and implement customizable and cost-effective solutions aimed at helping our clients to achieve their sustainability goals.” 

Gary Farha, Founder and CEO at Coho, said: “At this pivotal point in our evolution, we are looking forward to accelerating our impact on the market and climate. Through joining ERM we are expanding the reach of our services globally, to both new and existing clients. This is an exciting time for our team to further develop, personally and professionally, by joining the market leader in the business of sustainability.” 

About Coho 

Coho is a global climate adviser dedicated to helping clients navigate complexity and take ambitious steps on their climate journey. We provide deep market insight, analytical problem-solving, and change management expertise so that clients can pursue climate and water goals with confidence and internal alignment. We have served over 60 companies and helped them contract for approximately 7 million MWhs of renewable energy annually, enough to power over 650,000 homes and drive $5+ billion of new investment in renewable energy projects. 

Coho has 50+ team members and is based near Washington DC. Learn more  

About ERM 

ERM is the business of sustainability.  

As the largest global pure play sustainability consultancy, ERM partners with the world’s leading organizations, creating innovative solutions to sustainability challenges and unlocking commercial opportunities that meet the needs of today while preserving opportunities for future generations.  

ERM’s diverse team of ​​7,500+ world-class experts in over 170 offices across 39 countries supports clients across the breadth of their organizations to operationalize sustainability. Through ERM’s deep technical expertise, clients are well-positioned to address their environmental, health, safety, risk, and social issues. ERM calls this capability its “boots to boardroom” approach - a comprehensive service model that allows ERM to develop strategic and technical solutions that advance objectives on the ground or at the executive level. Learn more