Swiss Prime Site AG is a real estate investment company, which engages in the acquisition, sale, management, development, and leasing of real estate properties. It operates through the Real Estate Services and Services segments. The Real Estate segment includes exclusively the core real estate business as well as central group functions. The Services segment comprises of real estate services, assisted living, and retail and asset management businesses. The company was founded on May 11, 1999 and is headquartered in Olten, Switzerland.