| CASTLES IN THE SKY CO., LIMITED | Private company limited by shares | Live |
| TREASURE CASTLES INVESTMENT CONSULTANT LIMITED | Private company limited by shares | Dissolved |
| CASTLES & HERMES COMPANY LIMITED | Private company limited by shares | Live |
| LINK CASTLES (HOLDINGS) LIMITED | Private company limited by shares | Dissolved |
| Castles Property Agency Limited | Private company limited by shares | Live |
| 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 |