Here's How
We apply scientific and engineering principles to solve the world’s challenges — starting with yours. Whether we’re focusing on the design, construction and performance of buildings or expanding into new disciplines, we never limit ourselves, applying our expertise to all types of projects across a range of industries.

What We Do
Whatever issue you face, we have your solution. We get to the heart of every problem—digging deep to understand its intricacies and nuances, so we can help you achieve your goals, together.
Laboratory & Research
With extensive experience in design for everything from life sciences research to materials engineering and astrophysics, our multidisciplinary teams design research facilities that perform.
Construction Engineering
Our integrated team approach brings together developers, contractors, designers, fabricators and erectors early on to manage risk, improve schedule and control costs.
Envelope Renewal
From hands-on investigation and analysis to repair or restoration for any material or building type, we can help you meet all your building enclosure renewal needs.
Project Certification
We are experts in the integrative design process, and we use this skill to help your project achieve the highest green building certification possible given the project budget and goals.
Transportation & Infrastructure
In designing the transportation infrastructure for today’s cities, we consider the larger contexts of security, maintenance, and traveler convenience.
Our Projects
We are conquering complex problems - on six continents - and finding better ways to tackle even the most straightforward undertakings.
News & Resources
Thornton Tomasetti, FSD Active Sign Strategic Collaborative Agreement
Two Projects Awarded Canada's 2022 Governor General’s Medals in Architecture
Thornton Tomasetti Invests in HyperloopTT Following Completion of Risk and Safety Assessment
Thornton Tomasetti Foundation Announces Leadership Changes
Climate Pledge Arena Named Sports Facility of the Year