Great engineering brings complex visions to life

Melbourne, VIC

Opening up Melbourne’s West

West Gate Tunnel

Sydney, NSW

Sydney’s tallest timber building

Atlassian Central

Garran, ACT

A hospital that grows with Canberra

Canberra Hospital Expansion

Who we are

Great engineering starts with great people. We partner closely with clients and collaborators to create solutions that elevate every idea, every project, every outcome.

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Services

Our expertise

Structural Engineering Structural Engineering Ambitious ideas transformed into refined, enduring structures through collaborative, high‑calibre engineering. Learn more Civil Engineering Civil Engineering Close collaboration and grounded expertise create civil outcomes that work for communities and clients Learn more Façade Engineering Façade Engineering Architectural ambitions become buildable façades through thoughtful partnership and technical insight. Learn more Traffic Engineering Traffic Engineering Smarter movement is created through close collaboration, clear planning and solutions shaped around real journeys. Learn more Construction Engineering Construction Engineering Complex construction challenges are simplified through practical insight, sharp sequencing and our experts Learn more Digital Engineering Digital Engineering Advanced digital intelligence unlocks seamless coordination, sharper decisions and elevated performance across every stage. Learn more Applied Science Applied Science Enablement through advanced simulation and computational design. Learn more Heritage Engineering Heritage Engineering Specialist engineering that conserves, adapts and extends the life of heritage structures Learn more Applied Sustainability Applied Sustainability Sustainability expertise seamlessly integrated to reduce carbon, improve performance and enhance long‑term value. Learn more

Our scale gives us reach; our people give us impact. Together, we deliver coordinated engineering solutions from concept to completion.

Projects

Our work

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A technical and holistic approach

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Our engineers welcome the challenge of embedding visionary and sustainable design in efficient, elegant and functional project solutions.

We combine creativity, experience and innovation with modern engineering techniques and materials to develop solutions that achieve aesthetics, practicality, and sustainability goals. TTW is committed to developing and investing in the most advanced and innovative technologies available.

Together, our teams deliver improved project efficiencies, cost reduction and risk-mitigation, plus wider design freedom to bring our client’s vision to life.

Discover unlimited possibilities

We are always looking for talented and passionate people to join our team.

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News

Latest from TTW Engineering

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TTW Reconciliation Action Plan Reconciliation TTW Reconciliation Action Plan Yesterday in our Canberra office we were delighted to unveil the completion of our artwork dedicated to the final stage our Reconciliation Action… Welcome to 232 Adelaide Street, our new home in Brisbane Events Welcome to 232 Adelaide Street, our new home in Brisbane In under a year, our Brisbane team has quickly expanded to support the growing demand for technical engineering services in the Queensland… Robert Mackellar Retirement Announcement People Robert Mackellar Retirement Announcement It is with mixed emotions that we announce the retirement of one of our industry’s best engineers, Robert Mackellar, effective from 1 July. Those… Our Year in Review Events Our Year in Review 2025 marks a first for TTW with the release of our Annual Report The report brings together the projects, partnerships, and progress that…
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3. What Happens Next

The project moves into design. The approved structure becomes the foundation.

4. Changes After Approval

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5. Design Phase Feedback

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