Based in Avranches near the Mont Saint Michel, STGS has been helping local authorities STGS in the management of their water and sanitation services since 1991.
We have centers in Upper and Lower Normandy, the Loire Valley, the Centre region and Brittany: this allows us to be present throughout the West of France, closest to the elect, to better meet customer needs.
As a human scaled SME, we do adapt our offers to the needs of our customers, assuring the availability and personalised service you would expect from a smaller company.
STGS also provides its expertise and technical and human resources to the needs of industrial and commercial customers.
We for example frequently work as part of networks or private facilities:
For any questions about your water and wastewater contract or for a scpetic tank draining, you can join us at +33 233 794 679.