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

We deliver technical excellence to manage complex risks and create innovative and exciting opportunities in collaboration with our clients – providing value throughout the whole asset lifecycle.

We empower our people to use their diverse range of technical and consulting expertise, addressing today’s challenges to make a difference for the future.







Meet Shaun McKay an Environmental Scientist in our Newcastle Team

Shaun has a bachelor’s degree in Environmental Science from the University of Newcastle and is excited about the opportunity Coffey, a Tetra Tech Company, gave him to develop professionally after a hiatus from consulting.

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Waste not, want not – turning site waste into a valuable resource

Using sustainable remediation to reduce cost, minimise off-site impact and avoid the generation of waste.

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Ingenuity@Coffey

5 June 2020
Meet Shaun McKay an Environmental Scientist in our Newcastle Team

Shaun has a bachelor’s degree in Environmental Science from the University of Newcastle and is excited about the opportunity Coffey, a Tetra Tech Company, gave him to develop professionally after a hiatus from consulting.

Latest news

4 June 2020
Helping Dunedin and the City Council achieve net zero by 2030 and adapt to climate change

The city’s target is to reduce Dunedin’s carbon emissions to net zero by 2030 and to become more resilient to climate change. In terms of climate change mitigation, this means reducing greenhouse gas emissions over time, and offsetting the remaining emissions.

Latest news

19 May 2020
Tetra Tech achieves ENR's #1 ranking in Water for 17 years in a row

Tetra Tech achieves consistently high ENR rankings thanks to the hard work, dedication, and passion of its teams of industry-leading experts.





Our reputation has been built around our ingenuity and our consistent delivery
of smart solutions.

Which is why we look for people who live to do the type of work we do – work that involves deep expertise and new thinking.