We are pleased to announce the acquisition of Leach Wallace, 125-person provider of mechanical, electrical and plumbing engineering design services and related services to clients in the healthcare sector.

Aligned with WSP’s 2019-2021 Global Strategy, in addition to expanding WSP’s geographic presence in the United States, this acquisition creates the largest pure-play healthcare engineering practice in North America.

WSP was ranked the #2 healthcare engineering firm in North America last year by Building Design + Construction (top pure-play engineering firm to make the list) and #3 globally by ENR. The firm’s extensive healthcare portfolio includes projects throughout the U.S. and across the globe and features industry-leading expertise from sustainability to smart building technology.

Robert A. Banas, Leach Wallace’s President, commented, “Becoming part of WSP is great news for Leach Wallace as it will be the ideal partner for us during the next stage of our growth. In our view, the company’s professional expertise and vast network are key assets that will enable us to develop nation-wide and we look forward to strengthening our service offerings across multiple sectors, while continuing to provide the highest levels of service to our clients.”

The firms, which have a record of pursuing and winning work together, offer complementary expertise which will cement WSP’s offering in the healthcare market.

“We look forward to welcoming all our new colleagues to WSP,” noted Greg Kelly, President and CEO of WSP.


Founded in 1990, Leach Wallace has built a network of key healthcare clients by providing personalized solutions on each engagement and has built an unparalleled understanding of the unique aspects of engineering design services specific to the healthcare industry. The Firm utilizes its expertise, and breadth of service capabilities to deliver a one stop engineering design solution to its clients. This reliable, tested planning process, coupled with Leach Wallace’s responsiveness to client needs has earned Leach Wallace a reputation as the go-to engineering firm with the highest quality of work and outstanding customer service.