| Watabe (Holding) Company Limited | Private company limited by shares | Live |
| Watabe Wedding HK Limited | Private company limited by shares | Live |
| WATACO (E & M) CONSULTANCY LIMITED | Private company limited by shares | Live |
| Nagase Watada (Hong Kong) Company Limited | Private company limited by shares | Live |
| WATADA PRINTING (HONG KONG) LIMITED | Private company limited by shares | Live |
| WATAK CONTRACT, LIMITED | Private company limited by shares | Live |
| WATAKA COMPANY LIMITED | Private company limited by shares | Dissolved |
| WATALA COMPANY LIMITED | Private company limited by shares | Dissolved |
| WATALI INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| WATALOTTA LIMITED | Private company limited by shares | Dissolved |
| WATAME COMPANY LIMITED | Private company limited by shares | Dissolved |
| WATAMI LIMITED | Private company limited by shares | Dissolved |
| WATAMU EQUIPMENT LIMITED | Private company limited by shares | Dissolved |
| WATAN GENERAL TRADING CO., LIMITED | Private company limited by shares | Live |
| K. WATANABE COMPANY LIMITED | Private company limited by shares | Live |
| WATANACHAI COMPANY LIMITED | Private company limited by shares | Dissolved |
| AL WATANIYA CONCRETE LIMITED | Private company limited by shares | Dissolved |
| WATANMAL BOOLCHAND AND COMPANY LIMITED | Private company limited by shares | Live |
| WATANMAL INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| WatanNetwork Limited | Private company limited by shares | Live |
| WATARI COMPANY LIMITED | Private company limited by shares | Dissolved |
| LEBASINFRA WATARRKA LIMITED | Private company limited by shares | Dissolved |
| Lily Zhang and Wataru Shinji Limited | | Live |
| WATASHIWA LIMITED | Private company limited by shares | Live |
| WATASOFT LIMITED | Private company limited by shares | Dissolved |
| Watatsumi Corporate Consulting Limited | Private company limited by shares | Live |