Inviting public realms and streetscapes

Award-winning community infrastructure

Structural and civil engineering services

Creating sustainable environmental solutions

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.
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

Tonkin Celebrates 70 Years

Since humble beginnings in 1955 as a home-based business in Woodville, this year Tonkin celebrates 70 years of growth and success.

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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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