CaSy Co., Ltd. provides housekeeping services in Japan. The company offers house, office, store, and building cleaning services; prepares homemade meals, pre-made meals, and home party menus; and provides welfare benefits, on-site employee cafeterias, and office cleaning for corporations. It also operates CaSy Journal, a web media with information on housework and childcare. The company was incorporated in 2014 and is based in Tokyo, Japan.