Montreal, November 9, 2026 — WSP ranked first among 37 firms in Environment Analyst’s annual assessment of the global environmental and sustainability (E&S) consulting market, with a 10.5% market share based on 2025 consulting revenue.
According to the report, WSP extended its lead over competitors to more than $2 billion and was the only firm among the industry’s five largest consultancies to grow its market share in 2025.
The report also highlights how strategic acquisitions, including Ricardo and TRC Companies, have strengthened WSP’s industry leadership.
"Being recognized as the world’s leading global E&S consultancy reflects the trust our clients place in us and the expertise of our professionals around the world," said André-Martin Bouchard, global director, Earth & Environment, WSP. "As organizations navigate increasingly complex environmental, climate and sustainability challenges, our multidisciplinary teams continue to provide integrated solutions designed to help clients make informed decisions, manage risk and create lasting value."
Environmental consulting is central to WSP’s global suite of services. Specialists in air, water, soil, ecology, climate, sustainability and environmental management combine scientific, advisory and engineering expertise to support clients across infrastructure, transportation, energy, mining, water, property and industrial sectors. This multidisciplinary expertise helps clients navigate regulations and advance sustainability goals and resilience planning.
Researched and curated by Environment Analyst, the report ranks leading global consultancies based on environmental and sustainability consulting revenue from fiscal year 2025. It also provides analysis of market trends, competitor rankings, revenue performance, mergers and acquisitions activity and future growth opportunities.
About WSP
WSP is one of the world’s leading engineering, science and infrastructure solutions firms, uniting its multidisciplinary expertise to shape communities to advance humanity. From local beginnings to a globe-spanning presence today, WSP operates in over 50 countries and employs approximately 83,000 professionals, known as Visioneers. Together they pioneer solutions and deliver innovative projects in the transportation, infrastructure, environment, building, energy, water, and mining and metals sectors. WSP is publicly listed on the Toronto Stock Exchange (TSX:WSP).
About Environment Analyst
Environment Analyst is the trusted intelligence hub for the environmental and sustainability consulting sector, serving a global community of more than 40,000 environmental professionals. Its market assessments provide industry analysis, benchmarking and intelligence on the environmental and sustainability consulting marketplace.