Drees & Sommer, founded in 1970, operates globally with 2,000 employees and specializes in project management, consulting, and engineering services, achieving group sales of €10.6 billion in 2014. The company's service portfolio includes construction project management, sustainable urban development, life-cycle engineering, and real estate consulting across various sectors. Key projects highlighted include the Städel Museum in Frankfurt and the Gerngross Citycenter in Vienna, showcasing their focus on innovative logistics planning and contemporary design integration.