We are a leading geotechnical foundation contractor



Bachy Soletanche Australia provides high quality, efficient and cost effective foundation solutions to the building and engineering industries.

We have roots in Australia tracing back 40 years, having constructed the reinforced concrete diaphragm walls at Port Augusta Power Station (South Australia) in the mid 1970’s, which established the diaphragm wall technique in Australia.  The combination of our Australian resources with the vast and varied experience and history of the Bachy Soletanche group globally, generates an unrivalled capability in the design and construction of foundations.

Forming lasting relationships, Bachy Soletanche Australia helps clients to develop schemes and achieve cost efficiencies through quality engineering, collaborative working and ensuring safety is at the forefront of all operations. Driven by a passion to succeed, the company delivers innovative solutions across a range of sectors. Techniques offered include; Large Diameter Piling, Contiguous and Secant Piled Walls, Diaphragm Walls, CFA Piling, Rotary Displacement Piling, Grouting and Ground Anchors.


Managed by experienced construction managers and engineers, Bachy Soletanche Australia combines dedicated design and project engineers with experienced and well trained piling crews. Together, these teams have successfully completed contract works for some of Australia's largest infrastructure and building projects.


We are 100% committed to protecting the health and safety of everyone involved in, or affected by, our operations. 
We strive to create a culture of world-class safety through visible leadership, clear expectations, streamlined systems and robust risk management.


We have successfully executed design, construct and pile testing projects. In recent years, we have worked on major infrastructure projects across Australia including the Epping to Chatswood Rail Link, Barangaroo, Kurnell Desalination Plant and Pacific Highway upgrades.


Innovation is in our DNA. Driven by an ambitious R&D policy and the skills of our dedicated engineers, innovation enables us to develop new processes, equipment and materials. The effort and investment we put into innovation have resulted in some of the major breakthroughs in our sector. 


Our Geotechnical Techniques

Bache Soletanche Australia offers a range of geotechnical engineering techniques - they are cost effective, and achieve required efficiencies through quality engineering and collaborative working.


Works Underway at new Sydney Football Stadium

September 4, 2020

Bachy Soletanche Australia has successfully poured the last pile on the Albion Park Rail bypass.

June 22, 2020

BSA awarded Berry to Bomaderry Princes Highway upgrade pilling contract through Downer Seymour White Joint Venture

November 16, 2018

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Bachy Soletanche

Bachy Soletanche Australia provides high quality, efficient, and cost-effective foundation solutions to the building and engineering industries. We help clients develop scehemes and achieve cost efficiencies. Techniques offered include Large Diameter Piling, Contiguouys and Secant Piled Walls, Diaphragm Walls, CFA Piling, Rotary Displacement Piling, Grouting, and Ground Anchors.

Head Office
Level 5, 13-15 Lyonpark Road, Macquarie Park NSW 2113
T +61 2 9814 2990

© 2019 Bachy Soletanche Australia. Part of the Soletanche Freyssinet Group

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