We are specialists for all roof and exterior wall realisation. Our experience and knowledge are applicable for tinplate making and roofing. We also do small

We collaborate with architects, real estate companies as well as with owners themselves. We always respect the Swiss SIA rules and regulations and the security regulations edited by th SUVA (Swiss Accident Insurance Fund).

The company was founded in 1995 in Grens-sur-Nyon.

Mister Willy Goncerut is holder of a Swiss Federal Control Certificate since 1994. Today the company is a dynamic SME work in the region of Geneva to Lausanne.