| SEC AND CASTLE LIMITED | Private company limited by shares | Dissolved |
| ART CASTLE LIMITED | Private company limited by shares | Dissolved |
| FIT CASTLE COMPANY LIMITED | Private company limited by shares | Live |
| NEW CASTLE LIMITED | Private company limited by shares | Dissolved |
| CASTLE COMPANY LIMITED -THE- | Private company limited by shares | Dissolved |
| TOP CASTLE COMPANY LIMITED | Private company limited by shares | Dissolved |
| GOD TAK CASTLE LIMITED | Private company limited by shares | Dissolved |
| SKY CASTLE LIMITED | Private company limited by shares | Dissolved |
| PAN CASTLE LIMITED | Private company limited by shares | Dissolved |
| CASTLE WIN LIMITED | Private company limited by shares | Live |
| CASTLE JOY LIMITED | Private company limited by shares | Dissolved |
| JET CASTLE LIMITED | Private company limited by shares | Dissolved |
| ERA CASTLE LIMITED | Private company limited by shares | Dissolved |
| CASTLE COMPANY LIMITED | Private company limited by shares | Dissolved |
| TOP CASTLE LIMITED | Private company limited by shares | Live |
| VAN CASTLE LIMITED | Private company limited by shares | Dissolved |
| WIN CASTLE LIMITED | Private company limited by shares | Live |
| SEA CASTLE LIMITED | Private company limited by shares | Dissolved |
| SKY CASTLE LIMITED | Private company limited by shares | Dissolved |
| NEW CASTLE LIMITED | Private company limited by shares | Live |
| E CASTLE LIMITED | Private company limited by shares | Live |
| SUN CASTLE LIMITED | Private company limited by shares | Dissolved |
| XIN CASTLE COMPANY LIMITED | Private company limited by shares | Dissolved |
| MAX CASTLE LIMITED | Private company limited by shares | Live |
| SEA CASTLE LIMITED | Private company limited by shares | Live |
| CASTLE TOP LIMITED | Private company limited by shares | Dissolved |
| SKY CASTLE LIMITED | Private company limited by shares | Dissolved |
| UP CASTLE LIMITED | Private company limited by shares | Live |
| BIG CASTLE LIMITED | Private company limited by shares | Live |
| TOY CASTLE LIMITED | Private company limited by shares | Live |
| CASTLE LIMITED | Private company limited by shares | Live |
| JOY CASTLE LIMITED | Private company limited by shares | Dissolved |
| CASTLE JOY LIMITED | Private company limited by shares | Dissolved |
| CASTLE ERA LIMITED | Private company limited by shares | Live |
| ART CASTLE LIMITED | Private company limited by shares | Live |
| PRO CASTLE LIMITED | Private company limited by shares | Live |
| CASTLE WAY LIMITED | Private company limited by shares | Live Commenced dormancy on 05-Feb-2016 |
| ONE CASTLE LIMITED -THE- | Private company limited by shares | Dissolved |
| SUN CASTLE LIMITED | Private company limited by shares | Live |
| JOY CASTLE LIMITED | Private company limited by shares | Live |
| JET CASTLE LIMITED | Private company limited by shares | Live |
| CASTLE TOP LIMITED | Private company limited by shares | Live |
| CASTLE MAP LIMITED | Private company limited by shares | Live |
| ALL CASTLE LIMITED | Private company limited by shares | Live |
| CASTLE JOY LIMITED | Private company limited by shares | Live |
| SKY CASTLE LIMITED | Private company limited by shares | Live |
| NEW CASTLE LIMITED | Private company limited by shares | Live |
| JOY CASTLE LIMITED | Private company limited by shares | Live |
| CASTLE UP LIMITED | Private company limited by shares | Live |
| RED CASTLE LIMITED | Private company limited by shares | Live |
| CASTLE MAX LIMITED | Private company limited by shares | Live |
| K. Castle Sky Company Limited | Private company limited by shares | Live |
| MMC CASTLE LIMITED | Private company limited by shares | Live |
| J Castle Company Limited | Private company limited by shares | Live |
| BON BON CASTLE LIMITED | Private company limited by shares | Live |
| Sky Castle 168 Limited | Private company limited by shares | Live |
| CON CON CASTLE LIMITED | Private company limited by shares | Live |
| ABLE CASTLE LIMITED | Private company limited by shares | Dissolved |
| ABLE CASTLE LIMITED | Private company limited by shares | Live |
| ABLE CASTLE LIMITED | | Live |
| ABLE CASTLE ENTERPRISE LIMITED | Private company limited by shares | Live |
| ABLE CASTLE (HONG KONG) LIMITED | Private company limited by shares | Live |
| ABLE CASTLE INVESTMENT LIMITED | Private company limited by shares | Live |
| CASTLE HILL CAPITAL ADVISORS LIMITED | Private company limited by shares | Live Commenced dormancy on 27-May-2012 |
| Dragon Castle Employment Agency Limited | Private company limited by shares | Live |
| CASTLE PEAK BUYING AGENCY LIMITED | Private company limited by shares | Dissolved |
| CASTLE ALLIANCE LIMITED | Private company limited by shares | Live |
| ALLIED CASTLE COMPANY LIMITED | Private company limited by shares | Live |
| ALLIED CASTLE LIMITED | Private company limited by shares | Live |
| ALLIED CASTLE (HONG KONG) LIMITED | Private company limited by shares | Live |
| ALLIED CASTLE INVESTMENTS LIMITED | Private company limited by shares | Live |
| AMPLE CASTLE LIMITED | Private company limited by shares | Dissolved |
| AMPLE CASTLE LIMITED | Private company limited by shares | Live |
| AMPLE CASTLE LIMITED | Private company limited by shares | Live |
| ANCIENT CASTLE LIMITED | Private company limited by shares | Live |
| CASTLE OF ANTIQUITIES COMPANY LIMITED | Private company limited by shares | Live |
| Castle Arch Asia, Limited | Private company limited by shares | Dissolved |
| CASTLE ASCENT LIMITED | Private company limited by shares | Live |
| ASCENT CASTLE LIMITED | Private company limited by shares | Live |
| ASHLEY CASTLE LIMITED | Private company limited by shares | Live |
| TOP CASTLE ASIA LIMITED | Private company limited by shares | Dissolved |
| CASTLE ASIA LIMITED | Private company limited by shares | Live |
| NEW CASTLE ASIA LIMITED | Private company limited by shares | Dissolved |
| GOLD CASTLE ASIA LIMITED | Private company limited by shares | Dissolved |
| MEGA CASTLE ASIA LIMITED | Private company limited by shares | Live |
| RICH CASTLE ASIA LIMITED | Private company limited by shares | Live |
| ASIAN CASTLE COMPANY LIMITED | Private company limited by shares | Dissolved |
| ASIAN CASTLE LIMITED | Private company limited by shares | Dissolved |
| ASIAN CASTLE LIMITED | Private company limited by shares | Live |
| ASSET CASTLE LIMITED | Private company limited by shares | Dissolved |
| CASTLE ASSET LIMITED | Private company limited by shares | Live |
| ASSET CASTLE INVESTMENT LIMITED | Private company limited by shares | Live |
| CASTLE ASSOCIATES LIMITED | Private company limited by shares | Live |
| Aston Nash (Compton Castle Estate) Limited | Private company limited by shares | Dissolved |
| CASTLE BASE LIMITED | Private company limited by shares | Dissolved |
| BASE CASTLE LIMITED | Private company limited by shares | Live |
| CASTLE BASE LIMITED | Private company limited by shares | Live |
| BEAUTY CASTLE LIMITED | Private company limited by shares | Dissolved |
| BEAUTY CASTLE LIMITED | Private company limited by shares | Live |
| CASTLE GREAT BEER LIMITED | Private company limited by shares | Dissolved |