About Our Company

STS Geotechnics is an Australian owned, Geotechnical Engineering and Soil Testing laboratory based in Wetherill Park, Sydney. STS has been operating for over 30 years and has completed thousands of projects throughout Sydney, regional NSW and the ACT. We have the experience and capabilities to provide geotechnical consulting services and laboratory testing for projects of all sizes.

STS operates a NATA accredited laboratory as part of our Wetherill Park office allowing our engineers to work closely with our laboratory technicians to produce cost effective, accurate and reliable advice for your projects

Our Services

Geotechnical Engineering

STS’ team of Geotechnical engineers are experienced in providing geotechnical consultation from major infrastructure projects through to residential alterations and developments.

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Construction & Material Testing

STS offers a range of NATA accredited laboratory and site testing services. Our laboratory is currently NATA accredited for the following test methods.

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Drilling Services

STS operates a range of ute and tight access track mounted drilling rigs available for hire. Our rigs come with an experienced driller and are set up for solid flight auger drilling and Dynamic Cone Penetrometer (DCP) testing.

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Need to discuss a project?

For any geotechnical or soil testing enquiries please get in contact for an obligation free quote.
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Success Stories

Damien Purss
Lamond Contracting

We are writing to express our utmost satisfaction with the exceptional services provided by Mrigesh and his team at STS Geotechnics. Our company, Lamond Contracting, had the pleasure of collaborating with STS Geotechnics on recent projects such as Macquarie Grove Bridge and Bong Bong Common Bridge projects that required geotechnical expertise for working platforms Geotechnical…

Jimmy Vallis
Belmadar Pty Ltd

STS Geotechnics was entrusted with the critical task of providing geotechnical advice regarding temporary batters, retention and excavation advice, footings, and providing an efficient working platform for the CFA Piling Rigs including earthwork supervision. STS Geotechnics’ team demonstrated a genuine commitment to understanding the unique requirements of our project. Their ability to communicate and provide…

Brock Mavin
MJH Group – NXT Building Group

We are impressed with the STS’s commitment to quality and efficiency. We were particularly impressed with your team’s technical expertise and emphasis on safety. The recent case study you presented highlighted STS’s capabilities and the positive impact it had on construction projects and how your services contributed to significant cost savings.

Accreditations and Affiliations

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