Sebastian Orthmann advises national and international investors and project developers on the acquisition and sale of companies, and the acquisition and sale of real estate and real estate portfolios in Germany and abroad in the form of asset deals and share deals. He also specialises in advising on joint ventures, corporate structuring measures, project development, commercial lease law and financing. His clients include institutional investors, private equity investors, banks, asset managers, family-owned companies, public authorities and companies from various sectors.

Sebastian joined CMS in 2004 and has been a partner since 2011. He has a degree in Real Estate Economics (ADI) and has been a lecturer at IR│EBS for many years.