The Sankei Building Co., Ltd. operates as a real estate developer in Japan. It leases office buildings and residences; operates commercial facilities; and develops and sells condominiums, hotels, and other real estate properties to investors. The company also provides real estate brokerage, management, and appraisal services; construction, planning, and contracting services; and catering and nursing care services. In addition, it operates hotels and resorts, and restaurants; plans and operates manages fee-based homes for the elderly; plans and produces plays, movies, and other performances; and operates rental meeting rooms.