About Tonkin

We design intelligent solutions for the buildings, environmental, land development, maritime and riverine, transport, waste and water sectors. Our clients include commercial and residential developers, construction firms, municipal councils and government departments.

The way we work

At Tonkin, we put a high value on curiosity and collaboration. We thrive on solving complex problems and finding creative and progressive ways to exceed the expectations of our clients.

We take our work seriously because we know the choices we make have long-term implications. We bring holistic thinking to the table, working for the benefit of the natural environment as well as the project at hand.

Planning for tomorrow

Many of the areas in which Tonkin operates are undergoing rapid growth. More than ever, being able to accurately predict future needs is a fundamental quality of good planning and design.

We have invested heavily in high calibre staff and industry-leading tools to give us the edge in shaping a sustainable future.

Tonkin plans and designs with a bigger picture in mind, always aiming to add unexpected value that benefits every stakeholder.

Locally experienced, nationally connected

After humble beginnings as a small business based in Adelaide, Tonkin now has a national team of more than 200. Our people work from our offices in Adelaide, Berri, Brisbane, Mildura, Mount Gambier, Sunshine Coast and Sydney providing engineering and associated services across metropolitan, regional and remote locations. 

Want to join our team? 

Find out about careers at Tonkin