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Addressing the Challenges of Climate Change

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.

Thornton Tomasetti
Year Founded 1949

Offices Worldwide 45+
Projects 90,000+

Countries Worked In 150+
Languages Spoken 50+

LEED Professionals 215+

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. 

Geostructural Engineering

Our geostructural engineers have the insight and expertise to ensure the success of all your below-grade design and engineering projects.

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.

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.

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.

Our Work

We are conquering complex problems - on six continents - and finding better ways to tackle even the most straightforward undertakings.

Courtesy Foster + Partners
Courtesy Gensler
Thornton Tomasetti
© Tim Hursley

Recent News & Insight

New Embodied Carbon Podcast Series
March 01, 2024
With the built environment responsible for more than 40% of global annual CO2 emissions through embodied carbon and operations, our Here’s How Embodied Carbon podcast series focuses on our progress, current challenges and the opportunities ahead.

Decarbonizing the AEC Value Chain
February 15, 2024
In a panel session hosted in our New York headquarters, experts from building design, development and material manufacturing talked about where we are today and what it will take for us to get to net zero.

The Couture Tops Out
February 09, 2024
It’s official: the tallest residential building in Wisconsin is The Couture in Milwaukee.