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.
With more than 160 years of collective history in the UK and Europe, Tetra Tech has a reputation for excellence, absolute delivery, and placing the client at the heart of what we do. Our operations in the UK, Ireland, and the Netherlands include more than 6,000 employees who are Leading with Science® to solve our clients’ most complex problems.
From advanced building services at Hoare Lea and NDY, to geotechnical services at Coffey Geotechnics, specialist project and cost management consultancy at Carron + Walsh, and integrated development solutions from Tetra Tech International Development, we combine global expertise with regional insight. Our specialist teams work with public and private sector clients on local, national, and international projects to deliver sustainable and resilient solutions.
25,000+
talented people globally
$5bn
annual revenue
110,000
projects annually
500
offices worldwide
