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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.







Designing tomorrow, today. Delivering sustainability across the Defence Estate lifecycle.

As an expert in Defence partnering Tetra Tech has had a long and proud history in delivering sustainable solutions for Defence globally. In bringing together the best experts from Australia and internationally we believe that we can promote Defence innovation through active industry engagement.

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Geotechnical design and construction methodology of a deep basement cut next to sensitive buildings

Working collaboratively to ensure constructability and the stability of a challenging site.

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Latest news

2 August 2019
Coffey announces new leadership for its international development business

Coffey has announced that Amy Gildea will take on the role as Managing Director for Coffey's international development business.

Latest news

21 June 2019
International Women in Engineering Day

At Coffey we salute our women engineers as they inspire the next generation of young girls who want to explore a career in this exciting industry. Let’s hear what our engineers have to say!

Latest news

13 June 2019
Tetra Tech achieves ENR's #1 ranking in Water for 16 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.