Drees & Sommer (D&S) is an international partner-run property development and real estate consulting company.  Based in Germany with 46 regional operational units, its strategic focus is on green building, green development and portfolio optimization.

The company's primary services are property development and process consulting, infrastructure consulting, project management and engineering as well as transaction consulting and negotiating.  The sectors it serves include aerospace, automotive, education, energy, healthcare, hospitality, information and communication technology (ICT), life sciences, logistics, retail, and residential properties.

Drees & Sommer delivers sustainable and successful buildings, high-yield portfolios, livable cities, efficient infrastructure, and future-oriented consulting.