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, the partner for your dam project.


As structures that are anchored in the ground, dams have formed part of the core activity of Soletanche Bachy for almost a century. We bring all our soil technologies and engineering and design capabilities into play to deliver your hydraulic and hydroelectric dam projects, wherever you are in the world.

Through its expertise in design, soil technologies, and project management, Soletanche Bachy can act as a general contractor or specialist subcontractor to carry out all types of dam projects, regardless of scale.

The Group offers its geotechnical solutions under 3 types of projects:

  • new structures,
  • repair/dam safety,
  • maintenance/upgrade.


Soletanche Bachy adds exclusive services allowing to make the most of the Group’s dam expertise (project teams, equipment, innovation, engineering, safety and environment).

The objective is to ensure the durability and profitability of your hydraulic and hydroelectric infrastructure.

Why work with Soletanche Bachy

Why work with Soletanche Bachy

  • We have almost 100 years’ experience in the field of dams, and have hundreds of references worldwide.
  • We are experienced in operating on remote sites, often with difficult access, typical of dam sites.
  • We offer the widest range of geotechnical methods on the marketplace.
  • We have a local presence in more than 60 countries, together with a global expertise.
  • We can act as a general contractor, in order to complete your dam project from beginning to end.
  • We are committed to local employment and respectful working conditions for our personnel (housing, healthcare…).
  • We bring specific expertise (monitoring, diagnostics, etc.) through our partners withing the Soletanche Freyssinet group.