We provide sustainable engineering solutions that improve the value, reliability and efficiency of our clients’ projects, and the broader built environment.

Our Purpose, Vision & Values

Our purpose, vision and values guide everything we do, everyday.

Making Spaces Work

What Sets Us Apart

Our people and their technical expertise, coupled with the importance we place on long term client relationships helps us deliver world leading projects. 

Learn How We’re Different

Social Impact

We build sustainability into everything we do, to positively impact our clients, people, communities and the environments where we live and work.

See How We’re Making A Change


Our core values shape the way we do business– sustainably, with integrity, and with client satisfaction at the heart of our project engagements.

See How We’re Protecting the Future

Executive Team

Our Executive Team provides leadership and guidance for all operational areas of our business, ensuring we’re focused on delivering technical excellence for our clients every day.

Our Leadership

Tetra Tech High Performance Buildings Group

Tetra Tech’s High Performance Buildings Group brings together the expertise of talented engineers, commissioning agents, and energy analysts from around the world.

We’re Part of Something Bigger

Our Brands

Learn more about the work of our specialist brands Engineering Commissioning Services & NDYLIGHT

Our brands

Our History

Founded in 1959, our longevity and growth as a leading consultancy is testament to our people and our reputation in the market.

Learn About Our Past