View company profile in:


COLAS was awarded the Top Employers France certification.
  • Top Employers France

What Top Employers say about themselves

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).

Number of employees: 35000
Number of active countries: 55

The research

Our comprehensive independent research revealed that COLAS provides exceptional employee conditions, nurtures and develops talent throughout all levels of the organisation and has demonstrated its leadership status in the HR environment, always striving to optimise its employment practices and to develop its employees.

We help your organisation adapt to the rapidly changing HR environment

How we certify