Architecture - Transformation - Renovation - Planning Our core business is designing and building new-build projects, renovating existing buildings and public or private historic buildings. We take on projects of all types and sizes, and pay the same attention to small-scale conversions as we do to major construction projects. Regular participation in architectural competitions ensures the ongoing training of the group.

Guaina bitum tetti e resto di lavori

Thoenen has been very helpful in the renovation process of my chalet.

Waren mit Wasserleitungsarbeiten (inkl Grabung) zufrieden. Preis wie zuvor offeriert, Arbeit gute Qualtät, innert nützlicher Frist, kompetent und vollumfänglich erledigt.