Leading With Science®

Tetra Tech Proteus undertakes scoping, pre-feasibility, definitive feasibility studies and detailed design services for projects in Australia and throughout the world.

For more than 30 years, we have delivered practical, value-focused designs by applying a flexible approach to delivery and actively collaborating with our clients. Our engineering and design services enhance the value of projects for all stakeholders including investors, employees, local communities and the environment.

Read more


Partnering with our clients to deliver cost-effective, feasible designs that bring their vision to life.

See Services


Providing clear solutions to complex problems in water, environment, infrastructure, resource management, energy, and international development.

See Industries


Delivering clients with the technical , planning, engineering, design, and construction management solutions to address their needs.

See Projects

Interview with Zoran Grubic – Principal Electrical Engineer and Practice Lead

A Bachelor of Electrical Engineering and a curiosity for looking into complex problems, Zoran Grubic is helping clients around the world to help solve the challenges they face in our world today. What led you to a career as an Electrical Engineer? From a very... Visit News Story

Interview with Greg Campbell – Principal Process Engineer and Practice Lead

Greg Campbell is a chemical engineer with more than 30 years’ experience. He holds a Chemical Engineering degree from the University of Newcastle and since joining Tetra Tech Proteus in 2018 he has worked in partnership with clients to effectively manage their projects and the... Visit News Story

ENR Rankings Released: Tetra Tech #1 in Wind Power and More!

Engineering News-Record recently released its “Top 500 Design Firms Sourcebook” issue with 2021 rankings. As we previously reported, Tetra Tech is ranked #1 in Water (18th year in a row) and maintained the #4 ranking on the Top 500 Design Firms list. Tetra Tech is also ranked in each of the following…

Visit News Story

Supporting R U OK? Day

On national R U OK? Day our colleagues across the country are taking the time to ask Are you really OK? Our team in Perth were able to ‘take 5’ and #startaconversation over a cuppa and a cup cake!

Visit News Story

Get in touch with us