Geostructural Engineering Across Canada, United States, Mexico and Caribbean

We are a consulting firm specializing in geostructural, geotechnical, and foundation engineering for new and restoration projects throughout Canada.

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Years Experience

Our Company

Founded on Expertise

Since 1972 Isherwood has been responsible for excavation support, retaining walls, slope stabilization, underpinning, and foundation design for many prominent Toronto structures including the CN Tower, SkyDome Stadium (now Rogers Centre), Royal Ontario Museum, Toronto Opera House, Ontario Science Centre, Pearson Airport, Art Gallery of Ontario, Don Valley Parkway, Billy Bishop Pedestrian Tunnel, Eglinton Crosstown LRT, many Toronto Subway projects, Port Weller Drydock, and countless residences, low, medium & highrise.

Recognized Excellence

Winners of top industry awards for innovative, high-impact projects across Canada.

Skilled & Collaborative Team

Project managers and technical staff working together to solve complex challenges with high value.

Highlighting some of our most distinguished project recognitions

Award-Winning Milestones

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Outstanding Project Award

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TCA Best of the Best Awards

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Honorable Mention

Specialists Ground Engineering

Projects That Span Cities and Continents

We’ve devoted our business to understanding structures and the ground they interact with. Since 1972, we have taken pride in finding safe, economical solutions for the lateral and vertical support for deep excavations of buildings, towers, bridges, tunnels, waterways and more. We’re passionate about helping you build your vision on solid ground.

Learn About Us

Trusted on Over 3,353 Projects Across Canada

Meet Our Senior Team

Client experiences with our collaboration.