| FOUR SPRINGS LIMITED | Private company limited by shares | Live |
| FOUR SQUARE LIMITED | Private company limited by shares | Dissolved |
| DELTAPLEX FOUR SQUARE LIMITED | Private company limited by shares | Live |
| Three Way Four Square Limited | | Live |
| FOUR STAR LIMITED | Private company limited by shares | Dissolved |
| FOUR STAR IMP&EXP LIMITED | Private company limited by shares | Live |
| FOUR STAR INVESTMENT LIMITED | Private company limited by shares | Live |
| FOUR STARS LIMITED | Private company limited by shares | Dissolved |
| FOUR STARS LIMITED | Private company limited by shares | Live |
| Four Red Stars Limited | Private company limited by shares | Live |
| FOUR STATIONERY GIFT INDUSTRY LIMITED -THE- | Private company limited by shares | Live |
| Four Mahons Steel Works Limited | Private company limited by shares | Live |
| New Four Mahons Steel Works Limited | | Live |
| FOUR STONES CONSULTING LIMITED | Private company limited by shares | Live |
| Four Stones Global Limited | | Live |
| MR STORE FOUR LIMITED | Private company limited by shares | Live |
| FOUR STREETS, TSIM SHA TSUI (SITE NO. FOUR) LIMITED | Private company limited by shares | Dissolved |
| FOUR STRINGS LIMITED | Private company limited by shares | Live |
| Four Strings Limited | | Live |
| Four Studio Limited | Private company limited by shares | Live |
| Four Fighter Studio Limited | Private company limited by shares | Live |
| Four Suns Resources Company Limited | Private company limited by shares | Live |
| FOUR PET PRODUCTS SUPPLIES LIMITED | Private company limited by shares | Live |
| Four Emblematic Symbols Limited | Private company limited by shares | Live |
| FOUR TAELS LIMITED | Private company limited by shares | Live Commenced dormancy on 29-Aug-2003 |
| FOUR TALENTS AIR-CONDITIONING ENGINEERING LIMITED | Private company limited by shares | Live |
| FOUR U TECH LIMITED | Private company limited by shares | Live |
| TECH INNOVATION FOUR LIMITED | Private company limited by shares | Live |
| FOUR LEAF TECHNOLOGIES HONG KONG LIMITED | Private company limited by shares | Dissolved |
| NEW FOUR TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Big Four Technology Limited | Private company limited by shares | Live |
| Four Ocean Technology Co. Limited | Private company limited by shares | Live |
| FOUR STAR TECHNOLOGY PRIVATE LIMITED | | Live |
| FOUR STARS TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Four Would Technology Limited | Private company limited by shares | Live |
| ONE ZERO SIX FOUR LASER TECHNOLOGY (HK) LIMITED | Private company limited by shares | Live |
| FOUR TAI TELECOM TRADING (INTERNATIONAL) LIMITED | Private company limited by shares | Live |
| CFS Gamma Thai Holdco Four Limited | Private company limited by shares | Dissolved |
| Thai Four Ocean Trading Limited | Private company limited by shares | Live |
| FOUR THIRTY LIMITED | Private company limited by shares | Live |
| One Three Four Limited | Private company limited by shares | Live |
| Two Three Four Limited | Private company limited by shares | Live |
| Three Four Three Limited | | Live |
| YU TONG FOUR SEA LIMITED | Private company limited by shares | Live |
| FOUR TOUCH SPORT LIMITED | Private company limited by shares | Live |
| Four Tower Company Limited | Private company limited by shares | Live |
| FOUR TRADERS LIMITED | Private company limited by shares | Dissolved |
| FOUR A TRADING LIMITED | Private company limited by shares | Dissolved |
| FOUR L TRADING LIMITED | Private company limited by shares | Live |
| FOUR WAY TRADING LIMITED | Private company limited by shares | Live |
| MO FOUR TRADING LIMITED | Private company limited by shares | Live |
| YIP FOUR TRADING LIMITED | Private company limited by shares | Live |
| FOUR SIU TRADING LIMITED | Private company limited by shares | Live |
| MOW FOUR TRADING LIMITED | Private company limited by shares | Live |
| PAK FOUR TRADING LIMITED | Private company limited by shares | Live |
| FOUR GUM TRADING COMPANY LIMITED | | Live |
| Four Sea Trading Limited | | Live |
| TRC FOUR TRADING LIMITED | | Live |
| HK FOUR CUP TRADING LIMITED | | Live |
| AMPLE FOUR TRADING LIMITED | Private company limited by shares | Live |
| FOUR ANGELS TRADING COMPANY LIMITED | Private company limited by shares | Live |
| Four Arrows Trading Company Limited | Private company limited by shares | Live |
| Chow Four Trading Company Limited | Private company limited by shares | Live |
| HING JENG FOUR TRADING LIMITED | Private company limited by shares | Live |
| FOUR KINGDOMS TRADING COMPANY LIMITED | | Live |
| FOUR LEAF TRADING SERVICES LIMITED | Private company limited by shares | Live |
| FOUR LEGENDS TRADING COMPANY LIMITED | Private company limited by shares | Live |
| FOUR MINTS TRADING LIMITED | Private company limited by shares | Dissolved |
| Four Sea Prosperous Trading Limited | Private company limited by shares | Live |
| Four Rings Trading Company Limited | Private company limited by shares | Live |
| FOUR STAR TRADING LIMITED | | Live |
| TERENCE FOUR TRADING LIMITED | | Live |
| WAI TUNG FOUR SEA TRADING LIMITED | Private company limited by shares | Dissolved |
| FOUR WISE TRADING LIMITED | Private company limited by shares | Dissolved |
| FOUR ALLIANCE TRAVEL LIMITED | Private company limited by shares | Dissolved |
| FOUR TREASURE LIMITED | Private company limited by shares | Live |
| FOUR TREASURE GROUP LIMITED | Private company limited by shares | Live |
| FOUR TREND ENTERPRISE COMPANY LIMITED | Private company limited by shares | Live Commenced dormancy on 26-Sep-2013 |
| FOUR TUNES LIMITED | Private company limited by shares | Dissolved |
| Four Tunes Company Limited | Private company limited by shares | Live |
| FOUR RINGS TUNGSTEN AND ANTIMONY LIMITED | Private company limited by shares | Dissolved |
| FOUR TWELVE COMPANY LIMITED | Private company limited by shares | Dissolved |
| TWELVE PLUS FOUR LIMITED | Private company limited by shares | Live |
| FOUR TWENTY COMPANY LIMITED | Private company limited by shares | Dissolved |
| Four Twenty Limited | Private company limited by shares | Live |
| Twenty Four Six Asia Limited | Private company limited by shares | Live |
| TWENTY FOUR CO., LIMITED | Private company limited by shares | Live |
| FOUR TWENTY GANG GANG LIMITED | Private company limited by shares | Live |
| GUERILLA TWENTY FOUR LIMITED | Private company limited by shares | Live |
| Twenty Four Seven Laundry Company Limited | Private company limited by shares | Live |
| Four twenty trading Limited | | Live |
| Twenty Four Commercial and Trading Co., Limited | Private company limited by shares | Live |
| FOUR UNION LIMITED | Private company limited by shares | Live |
| FOUR UNION CORPORATION LIMITED | Private company limited by shares | Live |
| FOUR UNION GARMENT FACTORY LIMITED | Private company limited by shares | Dissolved |
| FOUR UNIONS (HONG KONG) COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNITED FOUR CO., LIMITED | Private company limited by shares | Live |
| FOUR DIMENSIONS UNITED INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| FOUR VECTOR CO., LIMITED | Private company limited by shares | Live |
| FOUR VIRTUES LIMITED | Private company limited by shares | Live |