| 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 |
| WAWA FOUR LIMITED | Private company limited by shares | Live |
| SUN FOUR WAYS (CHINA) DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| Four Ways Developments Company Limited | Private company limited by shares | Live |
| FOUR WAYS INVESTMENTS AND DEVELOPMENTS COMPANY LIMITED | Private company limited by shares | Dissolved |
| Four Ways Trading Limited | Private company limited by shares | Live |
| FOUR WAYS TRADING COMPANY LIMITED | Private company limited by shares | Live |
| FOUR G WELLNESS STUDIO LIMITED | Private company limited by shares | Live |
| Four Wheels Sport Limited | Private company limited by shares | Live |
| Four Wheels Technology Limited | Private company limited by shares | Live |
| FOUR WHEELS TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| FOUR WINDS COMPANY LIMITED | Private company limited by shares | Live |
| FOUR WINDS GLOBAL LIMITED | Private company limited by shares | Live |
| FOUR WINDS TOURS (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| FOUR WINDS INDUSTRY COMPANY LIMITED | Private company limited by shares | Dissolved |
| Four Winds Media Limited | Private company limited by shares | Live |
| AGS FOUR WINDS INTERNATIONAL MOVERS LIMITED | Private company limited by shares | Live |
| Four Winds Restoration Limited | Private company limited by shares | Live |
| FOUR WINDS SHIPPING INC LIMITED | Private company limited by shares | Live |
| FOUR STRONG WINDS LIMITED | Private company limited by shares | Dissolved |
| FOUR WINDS TRADING COMPANY LIMITED | Private company limited by shares | Live |
| Four Winds Windsor Limited | Private company limited by shares | Live |
| FOUR WINNERS LIMITED | | Live |
| FOUR WINS LIMITED | Private company limited by shares | Live |
| WOLF FOUR LIMITED | | Live |
| WONG FOUR TRADING LIMITED | Private company limited by shares | Live |
| FOUR WOOD INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| EAST FOUR WORKSHOP LIMITED | Private company limited by shares | Dissolved |
| FOUR WORLDS LIMITED | Private company limited by shares | Live |
| MAN SHUI TONG WUI (FOUR WUI) LIMITED | Private company limited by shares | Live |
| Ocean Yangtze Four Limited | Private company limited by shares | Live |
| YEUNG FOUR TRADING COMPANY LIMITED | Private company limited by shares | Live |
| YIWU GOOD FOUR TRADE LIMITED | Private company limited by shares | Live |
| YUEN TAT FOUR LIMITED | Private company limited by shares | Live |
| FOUR ZERO FOUR ENTERTAINMENT CO., LIMITED | Private company limited by shares | Live |
| Four Nine Zero Limited | Private company limited by shares | Live |
| Zero Four Two Six Trade Limited | | Live |
| FOUR0811 LIMITED | | Live |
| FourA Limited | Private company limited by shares | Live |
| FOURA INDUSTRIAL HOLDING CO., LIMITED | Private company limited by shares | Live |
| FOURACE LIMITED | Private company limited by shares | Dissolved |
| FOURACES HEALTH MANAGEMENT COMPANY LIMITED | | Live |
| FOURAGAMES Limited | Private company limited by shares | Live |
| Fourage Co., Limited | Private company limited by shares | Live |
| FOURAH BAY ESTATES LIMITED | Private company limited by shares | Dissolved |
| FOURANSTRONG LIMITED | Private company limited by shares | Dissolved |
| Fourbars Limited | Private company limited by shares | Live Commenced dormancy on 15-Dec-2015 |
| Fourbit Limited | | Live |
| FourBoxes Brand Management Co., Limited | | Live |
| FourBridge Limited | Private company limited by shares | Live |
| Hongkong FourCandies Co., Limited | | Live |
| HK FOURCHEN COMMERCIAL & TRADING CO., LIMITED | Private company limited by shares | Live |
| FOURCOINS COMPANY LIMITED | Private company limited by shares | Dissolved |
| FOURCORD LIMITED | Private company limited by shares | Dissolved |
| Fourdesire H.K. Limited | Private company limited by shares | Live |
| FOURDIGIT CO., LIMITED | Private company limited by shares | Dissolved |
| USA FOURDIM BIOTECH LIMITED | Private company limited by shares | Live |
| FourDimensional Limited | | Live |
| China Brain Four-dimensional Education Co., Limited | Private company limited by shares | Live |
| Four-dimensional Culture Technology Co., Limited | | Live |
| FourDimensional International Limited | Private company limited by shares | Live |