| TREASURE CASTLE INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| TRILLION CASTLE LIMITED | Private company limited by shares | Live |
| SC Trillion Castle Limited | | Live |
| TRIPLE CASTLE COMPANY LIMITED | Private company limited by shares | Dissolved |
| TRIUMPH CASTLE LIMITED | Private company limited by shares | Live |
| Triumphant Castle Limited | Private company limited by shares | Live |
| TRUMP CASTLE LIMITED | Private company limited by shares | Live |
| ULTRA CASTLE COMPANY LIMITED | Private company limited by shares | Live |
| UNIQUE CASTLE LIMITED | Private company limited by shares | Live |
| UNITED CASTLE COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNITED CASTLE LIMITED | Private company limited by shares | Live |
| UNITED CASTLE LIMITED | Private company limited by shares | Live |
| VALUE CASTLE LIMITED | Private company limited by shares | Live |
| VAST CASTLE LIMITED | Private company limited by shares | Dissolved |
| VAST CASTLE LIMITED | Private company limited by shares | Live |
| CASTLE VAST LIMITED | Private company limited by shares | Live |
| CASTLE VENTURE COMPANY LIMITED | | Live |
| VICTORY CASTLE LIMITED | Private company limited by shares | Dissolved |
| VICTORY CASTLE LIMITED | Private company limited by shares | Live |
| VICTORY CASTLE SHIPPING LIMITED | Private company limited by shares | Live |
| VIDEO CASTLE LIMITED | Private company limited by shares | Dissolved |
| CASTLE VIEW LIMITED | Private company limited by shares | Live |
| Castle Vision Limited | Private company limited by shares | Live |
| CASTLE WAFFLES LIMITED | Private company limited by shares | Live |
| Castle Watch Company Limited | Private company limited by shares | Live |
| WEAL CASTLE LIMITED | Private company limited by shares | Dissolved |
| WEALTH CASTLE LIMITED | Private company limited by shares | Dissolved |
| WEALTH CASTLE LIMITED | Private company limited by shares | Live |
| CASTLE WEALTH LIMITED | Private company limited by shares | Live |
| CASTLE WEALTH LIMITED | Private company limited by shares | Live |
| WEALTH CASTLE ENGINEERING LIMITED | Private company limited by shares | Live |
| WEALTH CASTLE ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| WEALTH CASTLE ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| WEALTH CASTLE INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| WEALTH CASTLE PROPERTIES LIMITED | Private company limited by shares | Live |
| WEALTHY CASTLE LIMITED | Private company limited by shares | Live |
| WELL CASTLE COMPANY LIMITED | Private company limited by shares | Dissolved |
| CASTLE WELL LIMITED | Private company limited by shares | Live |
| WELL CASTLE LIMITED | Private company limited by shares | Live |
| WELL CASTLE ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| WELL CASTLE ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| WELL CASTLE (HONG KONG) LIMITED | Private company limited by shares | Live |
| WELL CASTLE INVESTMENT LIMITED | Private company limited by shares | Live |
| WELLY CASTLE LIMITED | Private company limited by shares | Live |
| Wheat Castle Investment Limited | Private company limited by shares | Live |
| CASTLE OF SKY WINE LIMITED | Private company limited by shares | Live |
| My Wine Castle Company Limited | | Live |
| France Lafite Wine Castle Co., Limited | Private company limited by shares | Dissolved |
| FRANCE CASTLE WINE GROUP LIMITED | Private company limited by shares | Dissolved |
| Wing Castle Limited | | Live |
| WING'S CASTLE LIMITED | Private company limited by shares | Dissolved |
| WINNER CASTLE LIMITED | Private company limited by shares | Live |
| CASTLE WINNER LIMITED | Private company limited by shares | Live |
| WINNING CASTLE LIMITED | Private company limited by shares | Dissolved |
| WINNING CASTLE LIMITED | Private company limited by shares | Live |
| WISDOM CASTLE LIMITED | Private company limited by shares | Dissolved |
| CASTLE WISDOM LIMITED | Private company limited by shares | Live |
| WISDOM CASTLE LIMITED | Private company limited by shares | Live |
| WISE CASTLE LIMITED | Private company limited by shares | Dissolved |
| WISE CASTLE LIMITED | Private company limited by shares | Live |
| CASTLE WISE LIMITED | Private company limited by shares | Live |
| WOLF CASTLE LIMITED | Private company limited by shares | Live |
| Wonder Castle Limited | Private company limited by shares | Live |
| WONDERFUL CASTLE LIMITED | | Live |
| Word Castle Limited | Private company limited by shares | Live |
| Rich Castle (Y.L.) Company Limited | Private company limited by shares | Live Ceased dormancy on 19-Nov-2012 |
| CASTLEBANK LIMITED | Private company limited by shares | Dissolved |
| CASTLEBAR LIMITED | | Live |
| CASTLEBATH ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| CASTLEBAY ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| CASTLEBAY INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| CASTLEBERRY LIMITED | Private company limited by shares | Dissolved |
| CASTLEBRIGHT LIMITED | Private company limited by shares | Dissolved |
| Castlebrook Limited | Private company limited by shares | Live |
| CASTLEBURY LIMITED | Private company limited by shares | Dissolved |
| CASTLECAVAN ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| CASTLECAVE INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| CASTLECAY ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| CASTLECLIFF ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| CASTLECOOLE LIMITED | Private company limited by shares | Dissolved |
| CASTLECROSS LIMITED | Private company limited by shares | Dissolved |
| CASTLEDALE ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| CASTLEDEAN LIMITED | Private company limited by shares | Dissolved |
| CASTLEDEEP LIMITED | Private company limited by shares | Dissolved |
| CASTLEDEN INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| CASTLEDICK LIMITED | Private company limited by shares | Dissolved |
| CASTLEDOWN ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| CASTLEFIELD LIMITED | Private company limited by shares | Dissolved |
| Castlefield Investments Limited | Private company limited by shares | Live |
| CASTLEFORD LIMITED | Private company limited by shares | Dissolved |
| CASTLEGATE LIMITED | Private company limited by shares | Dissolved |
| CASTLEGATE ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| CASTLEGATE ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| Castlegate Finance Limited | Private company limited by shares | Live |
| CASTLEGATE GROUP LIMITED | Private company limited by shares | Dissolved |
| CASTLEGREEN LIMITED | Private company limited by shares | Live |
| CASTLEGREGORY INVESTMENTS LIMITED | Private company limited by shares | Live |
| CASTLEHAVEN LIMITED | Private company limited by shares | Dissolved |
| CASTLEHEAD COMPANY LIMITED | Private company limited by shares | Live |
| CASTLEHILLMARKETING TRADE LIMITED | Private company limited by shares | Live |