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Time-Tested, Time Trusted

With cost effective solutions for 29,000 projects JK group provide geotechnical and environmental services you can trust

Industry Leading Geotechnical Engineering & Environmental Consulting Services

Whether you are building a new development or assessing an existing property you have to be reassured that your asset is protected against the potential risks posed by your location’s geological and environmental factors.

With over 35 years of experience and more than 29,000 successful projects under our belt you can trust our geotechnical engineers and environmental scientists to provide cost effective solutions for your project. We can identify the potential issues affecting your site such as landslide risks, acid sulfate soils, and contamination.

The Markets We Service

We can customise our reports to your specifications, allowing you to meet challenging site conditions or development application requirements.

Working together we are able to tailor our capabilities for:

Our Extensive Range of Services

As leaders in geotechnical engineering, environmental consulting, site investigations, soil testing and drilling services JK Group have the breadth of capabilities and experience to guide you through your development whatever the size, from concept to construction.

Our extensive range of projects has enabled us to establish an impressive database of subsurface conditions across the wider Sydney metropolitan area. This provides us a unique understanding of your site going into the project, meaning more accurate and cost effective quotes for you.

Our services are provided by our four divisions:

Get in Touch

For all your geotechnical, environmental, site investigation and soil testing requirements, don’t hesitate to call us on (02) 9888 5000 or enquire online.

About JK Group

Since our establishment in 1976, as Jeffery and Katauskas Pty Ltd, it has been our goal to help individuals, developers, architects, structural and civil engineers, local and state government bodies identify potential geotechnical and environmental problems.

The JK Group is a proudly employee owned and managed company that values professionalism through honesty, dependability and integrity. We strive for excellence in practical, innovative and value added solutions.

JK Geotechnics

Need advice on complex geotechnical factors in your build? JK Geotechnics has the answer.

Environmental Investigation Services

Discover how EIS can help you select the right type of investigation and contamination report to satisfy your requirements.

Soil Check

Selecting the right drill rig for sensitive and complex subsurface conditions can be difficult. Discover how we make it easy.

Soil Test Services

STS undertakes a comprehensive range of earthworks, pavement material, rock and soil testing services.