Der Erstkontakt mit Herrn Zweifel verlief sehr angenehm. Seine Kompetenz sowie Einschätzung der Renovationsmöglichkeiten haben uns überzeugt. Wir freuen uns auf die weitere Zusammenarbeit. Marianne und Urs Vonrüti

Drees & Sommer Switzerland is a consulting company providing a single source of consultation and implementation services for the real estate, infrastructure and industrial markets. The company delivers sustainable, innovative, and economically viable solutions that meet each client’s unique needs. Our almost 250 employees in Zurich, Basel and Lausanne have been supporting clients from a wide range of sectors since 2008. Drees & Sommer Switzerland is part of the Drees & Sommer Group, which was Founded in 1970 and long recognized as a pioneer in driving sustainability and digitization. Today Drees & Sommer employs more than 6,000 people at 63 offices.

Drees & Sommer Switzerland is a consulting company providing a single source of consultation and implementation services for the real estate, infrastructure and industrial markets. The company delivers sustainable, innovative, and economically viable solutions that meet each client’s unique needs. Our almost 250 employees in Zurich, Basel and Lausanne have been supporting clients from a wide range of sectors since 2008. Drees & Sommer Switzerland is part of the Drees & Sommer Group, which was Founded in 1970 and long recognized as a pioneer in driving sustainability and digitization. Today Drees & Sommer employs more than 6,000 people at 63 offices.