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Leading with Science® to create resilient solutions to complex challenges

We provide a wide range of services across the UK and Europe’s most dynamic sectors.

From single projects to large programmes, we support clients to achieve their objectives.

Interested in working with us? We are home to some of the region’s best and brightest minds.

Tetra Tech is a leading technical, engineering, and environmental consultancy. Our experts deliver clear, data-driven, multidisciplinary solutions to public and private sector clients across the UK and Europe.

From property, water, energy, and transport, to buildings and infrastructure, defence and international development, our specialists work across some of the UK and Europe’s most dynamic industries and sectors. We design best-in-class solutions that are tailored for our clients and serve communities. Our unique organisational structure enables us to respond with the agility of a small business, backed by financial resources and capabilities from across our global operations.

25,000+

talented people globally

$5bn

annual revenue

110,000

projects annually

500

offices worldwide

Our featured Europe highlights

Group of people in the audience watching a panel discussion on a stage

Tetra Tech Hosts Pavilion at UK’s Largest Real Estate and Infrastructure Forum

Headshot of Michelle Fitzsimons

Michelle Fitzsimons Shares Groundbreaking Approaches for Continuous Water Quality Monitoring

Aerial view of Longtown in Cumbria and the river Esk that passes through

Combining Traditional Engineering with Smart Sewers and Nature-Based Solutions to Improve River Health

Engineer using an iPad to review construction plans outdoors while wearing a safety jacket

Exploring the Benefits of Building Refurbishment Over New Build

Interior of industrial processing plant with tall cyclone separators, interconnected ducts and piping, walkways, and bright sunlight filtering through ceiling

Upgrading Drainage Systems to Increase Portlaoise Wastewater Capacity

Headshot of Nicholas Jones

Nicholas Jones, Technical Director, Discusses How Geoscience Supports Offshore Energy Projects

View of Peterhead Harbour with a blue sky in the background over a calm sea

Expanding and Improving Infrastructure for Peterhead Harbour

Headshot of Conall Boland

Conall Boland Discusses Innovative Ways to Reduce Carbon in Public Sector Projects

Aerial view of a construction site near a coastline, surrounded by green fields and golf courses

Managing the RAF’s Lossiemouth Development Programme

Explore our sectors in Europe

Our world-class engineers and scientists leverage industry-leading technical expertise, in-depth local knowledge, and sustainable approaches to provide resilient solutions for our clients.

Connect with us. Reach out to our experts in the UK and Europe.

Create a future with us

Our people around the world are supporting our mission and vision for a sustainable world. Join us today.
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