ERM, the world’s largest specialist sustainability consultancy, has been named as a Climate Change Consulting Leader in new research from independent analyst firm Verdantix.

The Verdantix Green Quadrant: Climate Change Consulting 2025 report provides a benchmark of the most prominent climate change consulting firms in the market. It is designed to help organizations select a provider to support their journey towards decarbonization and climate resilience, encompassing strategy, operations, opportunities and risk.

ERM is positioned in the Leaders’ Quadrant and achieved the joint highest score among all firms on the capabilities dimension of the assessment.

The Verdantix Green Quadrant: Climate Change Consulting 2025 report highlights ERM’s ability to combine technical and strategy expertise to deliver climate change consulting projects at scale. It points to the firm’s capabilities across a range of industry sectors and notes that “No vendors exceed ERM in terms of the overall breadth and depth of their climate change consulting capabilities.”

ERM is the only firm to achieve the maximum score for transition risk analysis in the assessment. According to the Verdantix Green Quadrant: Climate Change Consulting 2025 report, “ERM is the world’s leading provider of climate transition analysis, which reflects the breadth of its offerings for climate risk analysis across physical, transition and nature-related topics.”

The Verdantix study found that the market for climate climate change consulting has shifted in recent years, as organizations seek to develop and implement climate transition strategies, understand and invest in developing climate technologies, prepare for the energy transition, and stay ahead in a volatile regulatory landscape.

Matt Klein, Global Service Leader, Corporate Sustainability & Climate Change at ERM said: “We’re proud to achieve this recognition from Verdantix for our climate change consulting capabilities at a point in time when businesses are facing an increasingly complex set of challenges in progressing their decarbonization journeys.

“ERM’s combination of strategic and technical expertise is helping our clients meet the moment, which means navigating today’s uncertainties while staying focused on building resilience, creating value and unlocking the commercial benefits of integrating sustainability deep into their organizations.”

Notes to editors

Verdantix assessed 12 of the most prominent climate change consulting providers through a detailed 31-point questionnaire and interviews with customers across a range of industries. The analysis is based on the Verdantix proprietary Green Quadrant methodology, which provides an evidence-based, objective assessment of firms offering comparable products or services at a specific time.

About ERM

Sustainability is our business.

As the world’s largest specialist sustainability consultancy, ERM partners with clients to operationalize sustainability at pace and scale, deploying a unique combination of strategic transformation and technical delivery capabilities. This approach helps clients to accelerate the integration of sustainability at every level of their business.

With more than 50 years of experience, ERM’s diverse team of 8000+ experts in 40 countries and territories helps clients create innovative solutions to their sustainability challenges, unlocking commercial opportunities that meet the needs of today while preserving opportunity for future generations.  Learn more here.