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 alongside its clients to facilitate transport links.


Whether for new-build, repair, or remediation, we carry out geotechnical works on rail and subway projects, building underground stations, tunnels, and access shafts. We also use our expertise and vast portfolio of soil solutions and technologies to build airport terminals and runways.