About us

Tetra Tech Coffey is part of Tetra Tech, a leading provider of consulting and engineering services worldwide.

Our experts are at the forefront of their specialisation in engineering, geotechnical, testing, environmental, and project management services.

We are part of the Asia Pacific operations of Tetra Tech, a leading provider of consulting and engineering services with 21,000 employees working across the full project lifecycle worldwide.

Across Australia and New Zealand, our operations include over 650 employees located throughout the Pacific. In our region, together we work alongside Tetra Tech Proteus, Eco Logical Australia, A Tetra Tech Company, and Norman Disney & Young, A Tetra Tech Company, who bring long-established successes delivering practical and sustainable services for our clients.

Our local, national, and international operations work alongside clients to develop their strategies and provide the services they need to take plans forward. From single projects to large-scale programs of work, we deliver against objectives and are adept at working in complicated or highly regulated environments.

We have an excellent breadth and depth of expertise across our teams and can call upon our global colleagues to foster industry-leading approaches. However, we always maintain a personal approach to our client relationships to really understand where we can add value to them.

Our work focuses across key sectors, many of which encompass a number of subsectors, including:

Across our key sectors, we provide a range of services:

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