Soletanche Bachy offers foundations and geotechnical solutions for all types of structure, from the largest international infrastructure to small local projects.

Bridges, highways, rail links, tunnels, dams, mines, power stations, buildings, towers, ports: as general contractor or specialist subcontractor, we offer foundations solutions and soil technologies for the design, construction, remediation, and commissioning of our clients’ projects.

Soletanche Bachy works hand in hand with its clients, on the other side of the world or at the end of the street, to carry out geotechnical works and foundations for bridges, crossing structures, roads and highways.


To improve communication links and facilitate transport, we operate in all types of environments, including dense urban zones, to deploy the solutions and soil technologies that are best adapted for each project.