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Thornton Tomasetti employees gather at a Spectrum Pride event in the office.
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Core Studio

R&D and technology play an essential role in our firm. We invest in constant learning, testing and innovation. That uniquely positions us to solve our clients’ most difficult problems.
Innovation Engine Our CORE groups manage our research and development efforts, from incremental efficiency improvements to solving some of the most challenging engineering problems of our time. Learn More
Innovation Output We believe collaboration amplifies our innovation potential and creates connections that lead to better, more imaginative solutions for our clients. Learn More
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Toronto

116 Spadina Ave
Suite 301
Toronto ON M5V 2K6
Canada
Phone: +1.416.306.8100
Fax: +1.416.306.8101
 
canada-pavilion
Canada Pavilion at Expo 2020 in Dubai. Courtesy EllisDon Construction Ltd.
The Nicol Building
The Nicol Building at Carleton University in Ottawa, Ontario. Courtesy doublespace photography
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GE Forefront in Canada. Courtesy Doublespace Photography
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Enigma on the Park in Toronto, Ontario. Lisa Logan Photography
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West Don Lands Block 8 in Toronto, Ontario. Courtesy Cobe Architects
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BMO Field Improvements in Toronto, Ontario. © Gensler
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The Welcome Project at the Royal Ontario Museum in Toronto, Ontario. Courtesy Hariri Pontarini Architects
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Pickering Heritage and Community Centre in Pickering, Ontario. Courtesy Hariri Pontarini Architects
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The Schwartz Reisman Innovation Centre at the University of Toronto. Courtesy WEISS/MANFREDI
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Underpinning and Transfer Structure for 533 College Street in Toronto, Ontario. Thornton Tomasetti

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Featured Toronto Projects

Tom Patterson Theatre
Tom Patterson Theatre
Ann Baggley photo

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Toronto News

Toronto Zoo Community Conservation Centre Tops Off

News

Toronto Zoo Reaches Structural Milestone
February 18, 2026
The Toronto Zoo has topped off its new two-story academic building within the Community Conservation Centre, marking a key milestone in a broader campus transformation.
stats Thornton Tomasetti

News

Karuruma Trail Bridge Completed
July 28, 2025
Thornton Tomasetti partnered with Bridges to Prosperity to construct a 60-meter trail bridge over the Akaruruma River in Rwanda, completed ahead of schedule. The bridge connects over 5,600 people across five communities to essential services, enhancing safety and livelihoods.
550 Madison in New York.

News

Revitalization Efforts For Two New York City Classics
November 20, 2024
There’s always room for improvement, even for landmark structures. The latest issue of the Steel Institute of New York’s Metals in Construction magazine looks at revitalization projects at two New York City classics.
Bridges to Prosperity 2024: Makurungwe Trail Bridge Recap

News

Makurungwe Trail Bridge Recap
July 26, 2024
The completion of the Makurungwe Trail Bridge marks a transformative moment for the local communities, promising hope and connection.
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