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Engineering Buildings of Complexity & Resilience

London is a demanding place to design, adapt, and build, shaped by dense sites, ageing assets, ambitious architecture, carbon targets, and evolving regulation. Thornton Tomasetti’s London office helps clients navigate that complexity with local expertise backed by a global firm.

Our team’s work spans high-rise buildings, refurbishments, sports and entertainment venues, aviation and transportation hubs, data centres, healthcare facilities, and master plans across London, the UK, Europe, and the Middle East.

easden
Leigh Easden
Principal & London Office Director
leasden@thorntontomasetti.com +44.(0)20.7014.4400 London

BEYOND LONDON

London is a hub for work that extends well beyond the city. Our teams support clients and projects across the UK, Europe, and the Middle East, connecting local knowledge with expertise from across Thornton Tomasetti.

That reach also spans our AUKUS defence capabilities, bringing together expertise across our UK, US, and Australian teams to address complex challenges in defence engineering, infrastructure, shock testing, modelling, and technical assurance. This connected approach gives clients access to the right expertise across regions, disciplines, and markets, wherever the project demands it.

 

Policies & Documents

‣ Quality, Health and Safety and Environmental Policy
 

Certifications

ISO 9001 Certification
ISO 14001 Certification
ISO 45001 Certification
cyber_essentials
constructionline
ISO19650:2
The Register of Security Engineers and Specialists (RSES) has been established to promote excellence in security engineering by providing a benchmark of professional quality against which its members have been independently assessed
CHAS Elite accreditation status