Sumasapo Inc. engages in the digital experience promotion business in Japan. It offers totono, a tenant app to facilitate communication between real estate management companies and tenants; operates outbound call center for tenant satisfaction survey services; and Suma Support Club, a tenant safety service which provides consultation services on security systems, and problems related to buildings and equipment, as well as rent guarantee services to management companies and owners. The company was incorporated in 2012 and is headquartered in Chuo, Japan.