Watahan & Co.,Ltd., through its subsidiaries, engages in the retail, construction, and trading businesses in Japan. The Retail segment offers streamlining of business and transportation operations and inventory management; furniture, interior, apparel, miscellaneous goods online shop, store management, CG business, etc.; assembled furniture manufacturing, wholesale, and internet mail order business; manufacturing, wholesale and sales of tea leaves and sweets, and selling snacks in the café space; building renovation work, self-driving multi-storey car parks, steel frame construction and other construction work; sales of detached wooden houses, design and construction, franchise management, construction of detached houses, import of lumber and building materials, manufacturing and sales of precut materials and building materials; and single-family home franchise business, sales of materials, etc., and technical and sales support for franchisees. The Construction Business segment offers sales and construction of custom-built homes; and manufacturing and sales of wood biomass chips, housing materials sales businesses, and wood processing products. The trading business segment provides import and sale of pharmaceutical raw materials, and chemical raw materials. The company also offers industrial-use wax, and general and health food materials; franchise business for wooden detached houses; sales of materials and sales promotion materials; technical and sales support for franchisees; and grocery store management. In addition, the company offers technical advisory services for construction and steel frame processing work; maintenance services for buildings; home care services for seniors and individuals with disabilities; and elderly welfare services. Watahan & Co.,Ltd. was founded in 1598 and is headquartered in Tokyo, Japan.