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
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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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Buildings & Structures

Buildings & Structures

 Environment & Sustainability

Environment & Sustainability

 Public Works

Public Works

 Transport

Transport

 Urban Development

Urban Development

 Water

Water

Latest News

Tonkin's New Board Members

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

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Update from Tonkin's SA-based water team

To help us collaborate more effectively, streamline key team functions and further enhance our service offering, our SA-based water team has recently undergone a strategic restructure.

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