We clean up pollution

in full transparency

solutions de dépollution

Soil and groundwater remediation solutions

As pollution treatment is its core business, Colas Environnement has developed numerous techniques and solutions for treating soils, water tables and gases.

Nos innovations


Colas Environnement relies on innovation to answer their clients’ expectations with always more and more efficiency and transparency.


Industries, engineering consultant… many companies trust Colas Environnement.

pacte transparence

The transparency pact

Colas Environnement is committed to a relationship with their clients based on trust.

A triple certification for Colas Environnement

Colas Environnement is the first company in France with three certificates, in all sectors of activity.