In a world that is constantly changing, challenges for our customers 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, thus providing a timely solution to meeting customer requirements.

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 also work with determination to ensure our customers’ 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 a. M., Munich, Milan, Stuttgart, Warsaw and Zurich.

Gassmann + Grossmann Baumanagement GmbH (g²) is specializes in skilled, high-quality integrated construction management. The company has managed projects of varying types and size since 1998, and today maintains offices in Stuttgart, Pliezhausen, Freiburg, Frankfurt, Munich, Berlin, Hamburg, Cologne and Leipzig.

Procore offers clients independent and innovative solutions for working environments and real estate strategies. Located in the UK, Netherlands and Singapore, Procore provides facilities management and workplace consulting, project and cost management, helping clients create the ideal working environment in order to be successful within their core business.

Reso Partners AG is a well-established provider of consulting and associated services to the private and public sectors in the field of property and facility management. It is one of Switzerland’s top building consultancy firms and has offices in Zurich and Lausanne. Reso Partners AG offers its customers a comprehensive portfolio of services in the areas of property and facility management consulting, property 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.