Sustainable engineering and design

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
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

Bryan McDonald becomes NSW Operations Manager

Bryan McDonald has taken on the role of Operations Manager – NSW. As Mark Baker moves closer to retirement, he and Bryan have been preparing a smooth transition of NSW Operations Manager role – a critical leadership position for our NSW business, and part of Tonkin’s national Senior Leadership Team.

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Engineers Australia SA Project of the Year

Tonkin's work on Flinders Chase Visitor Centre has been recognised, winning Project of the Year at the Engineers Australia SA Excellence Awards!

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