Thornton Tomasetti

When others say no, we say "Here's How"

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About the firm

Thornton Tomasetti is a global engineering firm founded in 1949 applying structural, forensic, sustainability, facade, and infrastructure expertise to complex projects across six continents. With more than 40 offices worldwide and 7,000+ active projects, it is widely recognized as a top-tier structural engineer of record for supertall buildings, major transportation infrastructure, sports venues, and cultural landmarks. Thornton Tomasetti is also known for proprietary technology tools including Asterisk and Beacon and for deep expertise in mass timber, decarbonization, and advanced project delivery.

Established
1949
Team
Enterprise
Firm type
Acoustic Consulting · Forensic Engineering · Structural Engineering · Transportation Engineering

Credentials

215+ LEED Professionals

Capabilities

Structural Design

Service website

Structural engineering of record for buildings of all scales, from low-rise to supertall, with specialization in complex geometries, mass timber, and high-performance systems.

  • Building Structural Design
  • Megatall, Supertall & Tall Buildings
  • Special Structures
  • Advanced Project Delivery (APD)
  • Advanced Analyses for Extreme Events

Forensics & Investigations

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Structural investigations, disaster response, property loss consulting, accident and personal injury investigations, and litigation support.

  • Accident & Personal Injury Investigations
  • Structural Investigations & Disaster Response
  • Property Loss Consulting
  • Litigation Support

Building enclosure design, investigation, and renewal for all facade types including glass curtain wall, brick and terra-cotta, and specialty cladding systems.

  • Brick & Terra-Cotta Facades
  • Envelope Renewal
  • Building Code Analysis

Sustainability & Decarbonization

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Whole-lifecycle carbon analysis, embodied-carbon reduction strategies, bioclimatic design, and building analytics to minimize environmental impact.

  • Embodied Carbon
  • Decarbonization
  • Bioclimatic Design
  • Building Analytics / Building Physics

Resilience

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Flood resilience, protective design, and advanced analyses to safeguard assets against natural and man-made hazards beyond code minimums.

  • Flood Resilience
  • Protective Design & Security
  • Hydrogen Engineering

Restoration & Renewal

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Assessment, repair, and restoration of existing buildings and infrastructure, including deconstruction engineering for complex demolition projects.

  • Deconstruction Engineering
  • Adjacent Construction

Transportation / Infrastructure

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Bridge design, inspection, and contractor support for transportation infrastructure projects including highways, transit, and airports.

  • Bridge Design
  • Bridge Inspections
  • Bridge Contractor Support

Construction Engineering

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Temporary works, erection engineering, and construction-phase engineering supporting contractors and owners on complex builds.

Acoustics, Noise & Vibration Engineering

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Room acoustics, noise control, vibration isolation, and building-science consulting for venues, commercial buildings, and specialty projects.

Advanced Analytics

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Scientifically rigorous, evidence-based computational analyses for complex structural and engineering problems beyond conventional methods.

Venue Concert & Event Rigging

Leading industry expert in rigging engineering and structural load evaluation services for touring concerts, shows, and special events.

Industries

Commercial · Aviation · Mission Critical Facilities · Arts & Culture · Defense · Education · Power Generation · Government · Healthcare · Hospitality · Sports & Recreation · Insurance · Laboratories · Research Facilities · Residential · Multifamily Residential · Infrastructure · Transportation

Projects

Under Armour Global Headquarters

Commercial · Client: Under Armour

Project details

Large-scale mass timber office project featuring proprietary structural connections; intensive coordination between design and construction teams.

Stockholm Central Station Overbuild

Stockholm, Sweden · Transportation & Infrastructure

Project details

Structural engineering for a major overbuild above a historic transit hub.