From our local beginnings over 130 years ago to our vast international presence today, WSP has enjoyed continuous growth and enrichment of its service offering. Every milestone reached has enabled us to better fulfill our purpose of preparing our communities and environment for the future.

Our story


Always be the first choice for clients, partners and employees.




Key Dates
WSP acquires Capita REI and GL Hearn, adding 1,000 UK-Based employees and expanding its strategic advisory offering.
WSP aquires WOOD’S E&I BUSINESS, ADDING 6,000 PROFESSIONALS WITH STRONG EXPERTISE ACROSS THE ENVIRONMENTAL SPECTRUM, INCLUDING WATER.
WSP RANKED #1 IN ENGINEERING NEWS-RECORD (ENR) MAGAZINE’S 2022 LIST OF TOP 225 INTERNATIONAL DESIGN FIRMS FOR THE SECOND CONSECUTIVE YEAR.
WSP UNVEILS ITS 2022-2024 GLOBAL STRATEGIC ACTION PLAN, WHICH WILL GUIDE THE NEXT PHASE OF ITS EVOLUTION.
WSP COMPLETES THE ACQUISITION OF GOLDER, INCREASING ITS WORKFORCE BY APPROXIMATELY 7,000 PEOPLE AND CREATING A LEADING GLOBAL ENVIRONMENTAL CONSULTING FIRM.
WSP ANNOUNCES AMBITIOUS CLIMATE ACTION THROUGH A COMMITMENT TO ACHIEVE NET ZERO EMISSIONS ACROSS ITS VALUE CHAIN BY 2040, SUPPORTED BY SCIENCE-BASED GREENHOUSE GAS EMISSION REDUCTION TARGETS.
WSP ACHIEVES THE TOP SPOT IN ENGINEERING NEWS-RECORD MAGAZINE’S TOP 25 INTERNATIONAL DESIGN FIRMS WHILE KEEPING ITS #1 POSITION IN THE BUILDING AND TRANSPORTATION SECTOR RANKINGS.
WSP acquires Orbicon, a Danish environmental consulting firm, enhancing our activities in the Nordics region.
WSP acquires lievense, a netherlands-based multidisciplinary consulting firm, establishing a foothold in the dutch market.
WSP acquires US-based environmental consulting firm Ecology & Environment, expanding our geographic presence in the United States.
FOR THE SECOND TIME, WSP IS RANKED FIRST IN THE TRANSPORTATION SECTOR IN ENGINEERING NEWS-RECORD’S ANNUAL LIST OF THE TOP 225 INTERNATIONAL DESIGN FIRMS.
WSP acquires Louis Berger, a US-headquartered international professional services firm with approximately 5,000 employees.
WSP is ranked first in the transportation sector in engineering news-record's top 225 International Design Firms.
WSP unites under one name, one brand and one vision across all geographies, cultures, specialties and backgrounds, anchored by its guiding principles and manifesto.
WSP acquires Poch, providing it with a leadership position in the Chilean market, while also strengthening its presence in Colombia, Peru and Mexico.
WSP acquires New Zealand-based OPUS and completes its 100th acquisition since its IPO. This acquisition enables WSP to enhance its activities in the Australia/New Zealand region and strengthen its expertise in the water-related infrastructure sector and asset management.
WSP acquires Concol, Securing a leadership position in the Colombian market in a wide array of services and sectors, while solidifying its presence in Chile, Peru and Mexico.
WSP acquires YR&G, a national firm specializing in sustainable consulting, education and analysis
WSP acquires Willoughby Engineers, an MEP firm with offices in Dallas and Chicago.
WSP acquires Leggette, Brashears & Graham
WSP acquires Mouchel Consulting
WSP acquires substantially all the assets of CRC, a New York-based firm with expertise in central utility plants and cogeneration systems
Alexandre L'Heureux is appointed President and CEO of WSP
WSP acquires leading Nordic project management firm Faveo Group, providing a strong entry-point in the Norwegian market, while strengthening its position in Sweden.
WSP acquires MMM Group
WSP acquires Parsons Brinckerhoff
WSP acquires Focus, a Canadian-based Engineering and Geomatics firm, expanding its platform in oil & gas engineering services, and strengthening its presence in western Canada.
WSP acquires ccrd, a mechanical/electrical/plumbing engineering firm based in Houston
GENIVAR and WSP reorganize as WSP Global Inc., and adopt WSP as the corporate brand
GENIVAR acquires WSP
WSP Acquires Chas H. Sells, Inc.
GENIVAR is listed on the Toronto Stock Exchange as an income fund
WSP Acquires Flack + Kurtz
WSP Acquires Environment & Energy
WSP acquires Cantor Seinuk
Three Montreal firms are acquired by Groupe-Conseil Solivar Inc., and the company’s name is changed to GENIVAR
G.B.G.M. Ltd and Les Consultants Dupuis, Côté Inc. merge to become Groupe-Conseil Solivar Inc., based in Quebec
William Sale Partnership Limited is established in Surrey, U.K.
Flack & Kurtz is founded in New York City.
G.B.G.M. LTD AND LES CONSULTANTS DUPUIS, CÔTÉ INC., BEGIN OPERATING IN QUEBEC CITY, CANADA.
Cantor Seinuk is established in New York City.
Chas H. Sells, Inc. founded in New York City
Parsons Brinckerhoff is founded in New York City