About Drees & Sommer

Uniting opposites to create a world we want to live in

Drees & Sommer is a partner-managed, global consulting company that provides a single source of consultation and implementation services. We focus on sustainable, innovative, and economical solutions for the real estate, infrastructure, and industry markets. Founded in 1970, today the company employs 6,500 people at over 70 offices. Our interdisciplinary teams are involved in 6,872 projects worldwide, working to create a livable future and unite apparent opposites: tradition and future, economy and ecology, analog and digital, efficiency and well-being. As ‘intrapreneurs’, the Drees & Sommer Partners are personally responsible for managing the company.

Facts and Figures

Our results are measurable. Discover what we do and how we succeed.

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Locations

We are where you need us. We support clients internationally. Our experts work from more than 70 cities across all major markets.

 

They combine regional insight with interdisciplinary expertise.

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Corporate Management

Drees & Sommer SE serves as the holding company of the Drees & Sommer Group. Independent operating units manage regional markets and expert disciplines. Their structures enable autonomy, accountability, and fast decision-making.

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Purpose

Discover why we act and how we aim to make the world a better place.

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Core Values

Nine core values summarize our approach to projects and our relationships with clients and colleagues.

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Compliance and Certification

Compliance supports responsible and resilient corporate management.

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Investments and Cooperations

We collaborate with selected partners to complement our expertise. To ensure smooth operations for our clients, we work with renowned partner companies.

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Our History

In 1970, Gerhard Drees and Hans Sommer founded a small engineering office in Stuttgart. What began as a three-person team grew into a global company with over 6,500 colleagues. They dared to think outside the box. Naturally, innovation and entrepreneurial thinking continue to shape our work today.

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