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.

Freyssinet SA Your partner in the construction and repair of all types of structures (civil engineering, building) The construction of bridges and engineering structures, buildings, road and rail infrastructures by providing you with the design and realization of prestressing, cable structures, equipment for engineering structures (bearings, roadway joints and expension joints, seismic protection, anchoring systems...) The repair of bridges, engineering structures and rental or industrial buildings by helping to choose the best solution and its implementation such as: the reinforcement by additional prestressing, carbon fiber composite and shotcrete or UHPC. Protection against corrosion, earthquakes, fire and chemical aggression. And of course the inspection and maintenance of equipment such as supports, joints, prestressing and cable systems.

We are a leading, classic construction company based in the city of Zurich. We build on rich experience and lasting quality, our roots go back to 1851. We prove our efficiency and professional competence every day in general building construction; Our core competencies lie in all kinds of conversion work, facade insulation and plastering work, monument preservation specialties and concrete drilling/milling. Our 60 long-standing, specialized employees guarantee serious services and optimal quality in all areas of our company.