Soletanche Bachy offers 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: we operate as general contractor or specialist subcontractor for the design, construction, remediation, and commissioning of our clients projects.

Soletanche Bachy can intervene at all stages of the construction of an underground car park, from the study phase through excavation to delivery of the project.


Whether as part of the construction of a high tower or an underground car park in a city centre, Soletanche Bachy puts its expertise in the service of its clients to build solid structures with several underground levels.