Sansiri Public Co. Ltd. engages in the provision of residential property development and management services. It operates through the following segments: Property Development, Building Management and Real Estate Brokerage, and Others. The Property Development segment consists of land and housing projects, residential condominium projects, serviced apartments for rent, and office buildings for rent. The Building Management and Real Estate Brokerage segment includes the provision of building management service and real estate brokerage. The Other segment comprises of hotel and education business. The company was founded on September 28, 1984 and is headquartered in Bangkok, Thailand.