In a world full of change and challenges, client needs sometimes arise so quickly that the Drees & Sommer Group is unable to develop appropriate responses in a reasonable time. In such cases, Drees & Sommer expands its expertise through shareholdings. Affiliated companies make their expertise available to the Group and provide timely support to our clients.

In keeping with our aspirations and philosophy, the companies involved are all leaders in their fields. We work together with them as equals. In this way, the affiliates not only complement our service portfolio in an ideal way; like us, they work with enthusiasm to ensure our clients’ success.

RBSGROUP offers planning and consulting services covering the entire life cycle of office buildings. The focus is on the development and implementation of new office concepts with innovative spatial and workplace typologies. RBSGROUP has offices in locations including Basel, Frankfurt am Main, Munich, Milan, Stuttgart, Warsaw and Zurich.

Based in Stuttgart, Gassmann + Grossmann Baumanagement GmbH (g²) specializes in skilled, high-quality construction management. The company has managed projects of varying types and size since 1998, and today maintains offices in the German cities of Frankfurt am Main, Munich and Berlin.

Consulting firm Procore offers its clients independent, innovative solutions relating to work environments and real estate strategies. From its offices in the United Kingdom, the Netherlands and Singapore, it provides workplace consulting, project management and facility management consulting services, helping clients to create an optimal work environment and so making them more successful in their core business.

Reso Partners AG is a well-established consulting and services firm offering real estate and facility management dealing for private sector companies and public authorities. The company is one of the leading real estate consultants in Switzerland, with offices in Zurich and Lausanne. Reso Partners AG offers clients a wide range of services including real estate and facility management consulting, real estate advisory, life cycle management and service management.

dsa engineering specializes in factory planning for the automotive industry, mainly focusing on conveyor technology and process plant. For almost 15 years, the company has provided its clients with a wide range of services, from preliminary planning to implementation support.