Find Us

Tetra Tech Coffey – Sydney CBD
Level 3, 101 Sussex Street
New South Wales 2000 Australia

Call Us

+61 2 9259 3700

Geotechnical Engineering, Environmental and Project Management Services in Sydney

Our team in Sydney have expertise in a diverse range of services including consulting, geotechnical engineering, environmental solutions, project management and more

From structural and geotechnical engineers to environmental scientists in Sydney, Tetra Tech Coffey is your first choice for consulting services in Sydney, NSW. We offer an incredible breadth and depth of knowledge across a wide range of industries, specialties and project types, ensuring we can deliver innovative solutions and solve our clients’ construction or engineering challenges.

Contact us for more information today.

Why choose Tetra Tech Coffey?

Tetra Tech’s innovative, sustainable solutions help our clients address their water, environment, infrastructure, resource management and energy needs. We are proud to be home to leading technical experts in every sector and to use that expertise throughout the project life cycle. Our commitment to safety is ingrained in our culture and at the forefront of every project.

Tetra Tech Coffey is part of Tetra Tech, a leading provider of consulting and engineering services with 27,000 employees working across the globe. We have 650 employees across Australia and New Zealand, including the City of Sydney.

Our Sydney team includes professional project managers, geotechnical engineers, environment specialists and occupational hygiene experts, all working together towards a common goal – the successful completion and implementation of your project.

We develop strategies for our clients and provide the services required to take their plans forward.

Contact us for a diverse range of services in Sydney, NSW.


Our Sydney Services

Tetra Tech Coffey Sydney is a leading provider of consulting and engineering services. We are differentiated by Leading with Science® to provide innovative technical solutions to our clients. We support our commercial and government clients focused on water, environment, sustainable infrastructure, renewable energy, and international development. With 27,000 associates worldwide, Tetra Tech provides clear solutions to complex problems.

Learn more about our Sydney services below or contact us to discuss your project today.

Structural and Civil Engineers – Sydney

We offer a fully integrated engineering services for the design, procurement, and management of buildings and infrastructure projects. Our civil and structural engineers in Sydney are passionate about building the world of tomorrow. From residential work to commercial buildings, community areas and leisure facilities, Tetra Tech Coffey understands the complexities of:

  • Reinforced and prestressed concrete
  • Temporary works
  • Finite Element Analysis
  • Structural steel
  • Geotechnical structures
  • Construction support
  • Expert witness
  • Property infrastructure asset lifecycle

Our goal is to make the planning and construction process as simple and timely as possible.

Get in touch for more information about our professional building services in Sydney. From single jobs to large, complex projects, our engineers will take a professional, realistic approach to the project and deliver achievable outcomes.

For more information about our Structural and Civil engineering services, please contact Evan McDowell, Lead Structure Engineer on +61 7 3239 9308 or email


Geotechnical Engineers – Sydney

Geotechnical engineers are often required to deliver solutions in environmentally sensitive, unstable or complicated environments. This might include mining sites, excavation sites, proposed housing estates, or residential areas.

We have experienced geotechnical engineers available across the Sydney metropolitan area, Blue Mountains, North and South Coasts, specialising in the following services:

  • Digital and geospatial solutions
  • Geophysics
  • Deep foundations
  • Groundwater
  • Ground improvements
  • Pavements
  • Slope engineering
  • Temporary works
  • Earthquake engineering
  • Expert witness.

For more information about our geotechnical services contact Mike Norman, Geotechnical Operations Manager – NSW on +61 2 9406 1006 or email

Environmental Specialists – Sydney

At Tetra Tech Coffey, we’re committed to building a more sustainable future, and we do this by delivering feasible environmental solutions to our clients. Our knowledge of regulatory environments allows us to guide clients through complex regulations, meet obligations and help minimise environmental risk.

Our environmental services in Sydney include:

For more information about our geotechnical services contact Matthew Locke, Site Assessment and Remediation Lead in NSW/ACT on +61 2 9406 1193 or email


Occupational Hygiene & Asbestos Management – Sydney

Our Occupational Hygiene specialists combine their expertise into anticipating, recognising, evaluating, and controlling workplace conditions or hazards that can cause injury or illness. We have assisted with thousands of workplace health and safety issues by delivering professional services, including:

For more information about these services, please contact Aaron Holmes, Head of Practice on +61 427 693 371 or

Want to get in touch?