Award-winning community infrastructure

Structural and civil engineering services

Creating sustainable environmental solutions

Integrating communities through planning and design

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.
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 State School Multipurpose Hall, QLD

Buderim Mountain State School Multipurpose Hall, QLD

Buildings & Structures Building Structures Construction Supervision & Contract Administration Queensland
Kangaroo Island Town Centre Upgrades, SA

Kangaroo Island Town Centre Upgrades, SA

Public Works Pavement Design and Assessment Stormwater and Flood Management Traffic Engineering South Australia
Breakout Creek Redevelopment, SA

Breakout Creek Redevelopment, SA

Water Stormwater and Flood Management South Australia
Parramatta Aquatic Leisure Centre, NSW

Parramatta Aquatic Leisure Centre, NSW

Buildings & Structures Building Structures Road and Highway Design Stormwater and Flood Management New South Wales

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

Tonkin wins Medium Firm of the Year

We’re excited to share our news with you that Tonkin was named Medium Firm of the Year at the Consult Australia Awards for Excellence.

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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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