Local expertise, regional impact

Sustainable engineering and design

Award-winning community infrastructure

Structural and civil engineering services

Creating sustainable environmental solutions

Integrating communities through planning and design

Sensitive design and engineering

Inviting public realms and streetscapes

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.
Goolwa Wharf, SA

Goolwa Wharf, SA

Buildings & Structures Public Works Building Structures Maritime, Ports and Coastal Environments South Australia
The Sanctuary Church, QLD

The Sanctuary Church, QLD

Buildings & Structures Building Structures Environmental Consulting and Compliance Transport Planning Queensland
Broken Hill Town Square, NSW

Broken Hill Town Square, NSW

Public Works Stormwater and Flood Management New South Wales
Twentyfirst Street Bridge, SA

Twentyfirst Street Bridge, SA

Buildings & Structures Environmental Impact Assessment and Approvals Infrastructure Planning Stormwater and Flood Management Transport Planning Transport Structures South Australia
MS Wellbeing Society, NSW

MS Wellbeing Society, NSW

Buildings & Structures Building Structures Stormwater and Flood Management New South Wales
Lansdown Gardens Aged Care Residence, NSW

Lansdown Gardens Aged Care Residence, NSW

Buildings & Structures Building Structures Environmental Consulting and Compliance New South Wales
Flinders Chase National Park Visitor Centre, SA

Flinders Chase National Park Visitor Centre, SA

Buildings & Structures Building Structures Road and Highway Design Stormwater and Flood Management Traffic Engineering South Australia
Buderim Mountain School Multipurpose Hall, QLD

Buderim Mountain School Multipurpose Hall, QLD

Buildings & Structures Building Structures Construction Supervision & Contract Administration Queensland

Markets

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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Latest News

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.

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Tonkin's New Board Members

Tonkin is proud to welcome new Board members, Karlene Maywald, and Tania Sulan.

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