Tetra Tech is a leading provider of geotechnical engineering, testing, environmental, project management, and development assistance services. Through our sister companies Tetra Tech Proteus and Coffey, A Tetra Tech Company, we have more than 1,250 employees in 50 offices across Australia and New Zealand.

Both Tetra Tech Proteus and Coffey have a proud history in the region and are renowned for their work in the transport and property infrastructure sectors as well as in mining and oil and gas industries. Both companies are recognized for their local knowledge and experience and form part of our global network of consultants.

Our international development services team has a strong focus on development programs in the Asia Pacific region. The team works closely with the Department of Foreign Affairs and Trade, among other clients, to deliver programs focusing on agriculture and economic growth; democracy, governance, and rule of law; land tenure and property rights; security and stabilization; and monitoring and evaluation.

Related Projects

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Gidji Roaster Ultrafine Grinding Plant

Gidji Roaster Ultrafine Grinding Plant

Providing conceptual and detailed engineering design, procurement, and construction for an ultra-fine grinding plant upgrade

Gidji Roaster Cyanide Destruction Plant

Gidji Roaster Cyanide Destruction Plant

Providing engineering design, procurement, and construction technical assistance for a cyanide destruction circuit

Kalgoorlie Nickel Smelter Aisle

Kalgoorlie Nickel Smelter Aisle Crane Replacement

Providing design, engineering, and project management for aisle crane replacement at Nickel West’s Kalgoorlie Nickel Smelter

Karara Iron Ore Project

Karara Iron Ore Project

Performing the definitive feasibility study for expansion of the existing 8-Mtpa magnetite project to increase output

Cloudbreak and Christmas Creek Waste Rock

Cloudbreak and Christmas Creek Waste Rock Landform Rehabilitation

Providing closure and rehabilitation support for Fortescue Metals Group waste rock facilities in Western Australia