Tanseisha Co Ltd is a Japan-based company primarily engaged in the commercial and other facilities business, the chain store business, and the cultural facilities business. The Company has three segments. The Commercial and Other Facilities Business segment is involved in the interior design of commercial facilities other than chain stores, such as department stores, specialty stores, and restaurants, as well as offices, hotels, and other facilities, and exhibits for expositions and exhibitions. The Chain Store Business segment is involved in the interior design of chain stores such as fast fashion and fast food restaurants. The Cultural Facilities Business segment is involved in the general business of cultural facilities, such as museums and science museums. The Company also provides businesses such as the rental and sale of office equipment, labor dispatch, and Website-based information services.