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Climate change is one of the biggest challenges facing our society. So we’re channeling all of our capabilities to tackle it with you. We help you reduce the risks of climate change with expertise in decarbonization and resilience. Here's How
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CORE R&D

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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Our People

We cultivate people who build strong relationships, communicate openly and are passionate about their work — because collaboration and innovation thrive on these qualities. View LeadershipView Our People

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Americas

Canada

Halifax
+1.905.874.8332

 

Mississauga
+1.905.271.7888

 

Ottawa
+1.613.216.1247

 

Toronto
+1.416.306.8100

United States

Albuquerque
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Austin
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Boston
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Chicago
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Dallas
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Denver
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Fort Lauderdale
+1.954.903.9300

 

Houston
+1.281.456.4330

 

Kansas City
+1.816.221.7771

 

Los Angeles
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Miami
+1.786.491.7660

 

Milwaukee
+1.414.875.3370

 

New York
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Newark
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Orlando
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Philadelphia
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Portland, ME
+1.207.245.6060

 

San Diego
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San Francisco
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Seattle
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Silicon Valley
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Tampa
+1.813.906.1250

 

Washington
+1.202.580.6300

 

West Hartford
+1.212.367.2750

Europe

United Kingdom

Aberdeen
+44.01224.061480

 

Belfast
+44.028.2563.2916

 

Bristol
+44.0117.313.7466

 

Edinburgh
+44.1383.828270

 

London
+44.020.7014.4400

 

Romsey
+44.01794.516.171

 

Warrington
+44.01925.230655

Middle East

United Arab Emirates

Dubai
+971.04.278.9696

Pacific Rim

Australia

Melbourne
+61.402.725.235

 

Perth
+61.08.9481.3988

 

Sydney
+61.423.343.525

China

Beijing
+86.108.530.6262

 

Shanghai
+86.216.322.6009

Hong Kong SAR China

Hong Kong
+852.2968.1873

India

Chennai
+91.22.4049.2600

 

Mumbai
+91.22.4049.2600

 

Pune
+91.22.4049.2600

Vietnam

Ho Chi Minh City
+84.28.3824.7782
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Our People

Collaboration is the cornerstone of our success. Our people are its foundation.
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Recent News

Corporate Climate Action at Thornton Tomasetti.

Corporate Climate Action
September 26, 2023
We aspire to be one of the most sustainable firms, both in the way we design our projects and in how we operate as a responsible business.
2023 AEC Tech Symposium

11th Annual AECtech Symposium & Hackathon
September 15, 2023
Immerse yourself in masterclasses hosted by design innovators and software pioneers to insight from highly-acclaimed leaders in design and technology within the AEC industry. Join us for a series of presentations, discussions, and round table panels reflecting on the state of practice today and what is on the horizon.