COLAS was awarded the Top Employers France certification.


The Colas Group is present in every line of business involving the construction and maintenance of infrastructure for both roads and all other forms of transport (air, rail, maritime) via two main operating divisions: Roads (including civil engineering and building), its core business, and Specialized Activities (Railways, Waterproofing, Road Safety and Signaling, Pipelines).

* The company description for this page is added by the organisation and is not written by Top Employers Institute.

The four stages of the Certification Programme:

  1. Survey

  2. Validation

  3. Certification

  4. Feedback

How We Certify