| SEVEN CASTLES PAPER COMPANY (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| Gold Castles Associates - TGIF F H K Limited | Private company limited by shares | Live |
| Castlespring Limited | Private company limited by shares | Live |
| CASTLESTONE MANAGEMENT (HK) LIMITED | Private company limited by shares | Dissolved |
| CASTLETON LIMITED | Private company limited by shares | Dissolved |
| CASTLETON LIMITED | Private company limited by shares | Dissolved |
| CASTLETOWN LIMITED | Private company limited by shares | Dissolved |
| CASTLETOWN TRADING LIMITED | Private company limited by shares | Dissolved |
| CASTLEVIEW INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| CASTLEWAY LIMITED | Private company limited by shares | Dissolved |
| CASTLEWAY INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| CastleWe Limited | Private company limited by shares | Live |
| CASTLEWICK ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| CASTLEWIN COMPANY LIMITED | Private company limited by shares | Dissolved |
| CASTLEWOOD LIMITED | Private company limited by shares | Dissolved |
| CASTLEWOOD ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| CASTLEWOOD INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |