Drees & Sommer is a partner for innovation in the fields of consulting, design, construction and operation. As Europe's leading consultancy, design and Project Management company, Drees & Sommer has been assisting investors and clients in the private and public sectors for 50 years in all matters relating to real estate and infrastructure, in particular through its analogue and digital expertise.

With a focus on future-oriented consulting, Drees & Sommer offers solutions to achieve the goals of successful buildings, high-performance portfolios, efficient infrastructure and more liveable cities.

With interdisciplinary teams, the more than 5,100 employees of Drees & Sommer, spread over 59 subsidiaries, support their clients from the most diverse sectors.
The company, which is structured around its partners, seeks to reconcile environmental and economic imperatives through its work. It defends this approach, both innovative and generalist, under the banner of "the blue way".


The Drees & Sommer Group

59 international locations


the Blue Way

Our partnerships