Who we are
Tonkin is a leading provider of engineering, environmental and consulting services to private and public organisations. We design intelligent solutions for the buildings, structures, environment, sustainability, public works, transport, urban development and water sectors. Our clients include commercial and residential developers, construction firms, councils and government departments.
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Locally experienced, nationally connected
Tonkin thrives on solving complex problems and finding innovative ways to exceed the expectations of our clients, providing lasting value for communities.
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Meet Tonkin's East Coast Water Team
Water engineering is where Tonkin made our name. For decades, Tonkin has been a leader in water engineering, particularly in South Australia where our business was founded more than 70 years ago. More recently, we have expanded to Queensland and New South Wales, where we now have dedicated water teams. Our water engineers in Brisbane and Sydney work collaboratively for clients across Australia’s east coast providing a full range of water engineering services.
Summer Internship Applications Open!
Kick-Start Your Career with a Summer Internship at Tonkin! A Tonkin internship isn’t just work experience—it’s an opportunity to learn from industry leaders, work on meaningful projects, and set yourself up for future success.