| THREE FOUR FOUR EIGHT LIMITED | Private company limited by shares | Live |
| FOUR EIGHTEEN LIMITED | Private company limited by shares | Dissolved |
| ELANNE FOUR LIMITED | Private company limited by shares | Live |
| BIG FOUR ELECTRONICS COMPANY LIMITED | Private company limited by shares | Dissolved |
| Four Channel Electronics Limited | Private company limited by shares | Dissolved |
| FOUR ELEMENTS LIMITED | Private company limited by shares | Dissolved |
| Four Elements HK Limited | Private company limited by shares | Live |
| Clean Energy Four (Hong Kong) Limited | | Live |
| Four Po Engineering Limited | Private company limited by shares | Live |
| Big Four Engineering Company Limited | Private company limited by shares | Live |
| Four Sea Engineering Builders Limited | Private company limited by shares | Live |
| FOUR DIMENSIONS DESIGN AND ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| Four Dimension Engineering Limited | | Live |
| FOUR NGAI ENGINEERING LIMITED | Private company limited by shares | Live |
| ZGAT FOUR AREA ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| FOUR UP ENTERPRISES LIMITED | Private company limited by shares | Live |
| FOUR WIN ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| Sea Four Enterprises Limited | Private company limited by shares | Dissolved |
| Four Terra Enterprises Limited | Private company limited by shares | Dissolved |
| Four Essentials Limited | | Live |
| EuniceLT Four Limited | Private company limited by shares | Live |
| PLUS FOUR EXPORT COMPANY, LIMITED | Private company limited by shares | Dissolved |
| Four Eyes Limited | Private company limited by shares | Live |
| FOUR EYES PRODUCTION LIMITED | Private company limited by shares | Live |
| Four Eyes Research Limited | | Live |
| FOUR FACED BUDDHA MANAGEMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| Big Four Facilities Management (HK) Limited | | Live |
| UNITED FACILITIES LEASING FOUR CO., LIMITED | Private company limited by shares | Live |
| FACTORY FOUR LIMITED | Private company limited by shares | Dissolved |
| FOUR SEA LEATHERS FACTORY LIMITED | Private company limited by shares | Dissolved |
| FOUR FAITH INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| FOUR FALCON LIMITED | Private company limited by shares | Live |
| FANTASTIC FOUR COMPANY LIMITED | Private company limited by shares | Live |
| FOUR STAR DISTRIBUTION (FAR EAST) LIMITED | Private company limited by shares | Dissolved |
| FOUR SEA (FAR EAST) LIMITED | | Live |
| FOUR S FASHION LIMITED | Private company limited by shares | Live |
| FOUR SEA FASHION FACTORY LIMITED | Private company limited by shares | Dissolved |
| FOUR FATS LIMITED | Private company limited by shares | Live |
| Four Feet Limited | Private company limited by shares | Live |
| Four Feng Limited | Private company limited by shares | Live |
| China Four Financial Group Limited | Private company limited by shares | Live |
| FOUR STAR FINANCIAL MANAGEMENT CO., LIMITED | Private company limited by shares | Dissolved |
| FINEPRINT FOUR LIMITED | Private company limited by shares | Live |
| FOUR FIRE INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| LIUYANG FOUR OCEAN FIREWORKS LIMITED | Private company limited by shares | Live |
| FOUR SEA FISHING VILLAGE LIMITED | Private company limited by shares | Live |
| Four Five Six Limited | | Live |
| FOUR TO FIVE ADVENTURE LIMITED | Private company limited by shares | Live |
| NORTH POINT FOUR FIVE SIX RESTAURANT LIMITED | Private company limited by shares | Dissolved |
| Four Gear Flame Retardant Limited | Private company limited by shares | Dissolved |
| Four Fleurs Limited | Private company limited by shares | Live |
| FOUR FLINTS LIMITED | Private company limited by shares | Dissolved |
| Uncle Four Food & Beverages Company Limited | Private company limited by shares | Live |
| Rich Four Food Company Limited | Private company limited by shares | Live |
| Four Treasures Food Company Limited | Private company limited by shares | Dissolved |
| FOUR FORCE COMPANY LIMITED | Private company limited by shares | Dissolved |
| FOUR FORCES LIMITED | Private company limited by shares | Live |
| FOUR FOREST COMPANY LIMITED | Private company limited by shares | Live |
| FORTUNE FOUR ENTERPRISE COMPANY LIMITED | Private company limited by shares | Live |
| FOUR FORTUNE INVESTMENT LIMITED | Private company limited by shares | Live |
| Four Continents Foundation Limited | | Live |
| FOUR BO FRESH FISH LIMITED | Private company limited by shares | Dissolved |
| FOUR BO FRESH FISH TRADING LIMITED | Private company limited by shares | Live |
| FOUR FRIENDS LIMITED | Private company limited by shares | Dissolved |
| Four Legs Friends Charity Fund Limited | Company limited by guarantee | Live |
| FOUR FUNG ALUMINIUM INDUSTRIAL CO. LIMITED | Private company limited by shares | Dissolved |
| FUSION FOUR INDUSTRIAL LIMITED | Private company limited by shares | Live Commenced dormancy on 27-Nov-2015 |
| FOUR FYE'S LIMITED | Private company limited by shares | Live |
| FOUR SEA GARMENT (HK) LIMITED | Private company limited by shares | Dissolved |
| GCLC FOUR LIMITED | Private company limited by shares | Live |
| FOUR GENERATION COMPANY LIMITED | Private company limited by shares | Dissolved |
| FOUR COIN GLASS GROUP LIMITED | Private company limited by shares | Live |
| FOUR WAY GLOBAL TRADE CO., LIMITED | | Live |
| GOLDEN FOUR LIMITED | Private company limited by shares | Dissolved |
| GOLDEN CIRCLE FOUR CO., LIMITED | Private company limited by shares | Dissolved |
| FOUR GOLDEN DOTS RESTAURANTS LIMITED | Private company limited by shares | Live |
| Four Golden Eggs Company Limited | Private company limited by shares | Live |
| GOLDEN FOUR (H.K.) ENTERPRISE COMPANY LIMITED | Private company limited by shares | Dissolved |
| Four Percent Gourmet Company Limited | Private company limited by shares | Live |
| Four Leaf Grass Brilliance Limited | Private company limited by shares | Live |
| HK Four leaf grass Investment Limited | Private company limited by shares | Live |
| G Four Group Limited | Private company limited by shares | Live |
| BIG FOUR (GROUP) COMPANY LIMITED | Private company limited by shares | Live |
| FOUR D CATERING GROUP LIMITED | | Live |
| H.K THREE FIVE FOUR FOUR INVESTMENT GROUP LIMITED | Private company limited by shares | Dissolved |
| FOUR LEAF GROUP (HK) HOLDING LIMITED | Private company limited by shares | Live |
| WHITE TIGER (GROUP) OF FOUR GOD BEAST MEDIA LIMITED | Private company limited by shares | Live |
| GUILIN FOUR SQUARE HANGER GROUP LIMITED | Private company limited by shares | Live |
| FOUR STAR GROUP LIMITED | Private company limited by shares | Live |
| ONE TWO THREE FOUR GROUP COMPANY LIMITED | Private company limited by shares | Live |
| China Four Treasures Group Co., Limited | Private company limited by shares | Live |
| Four Guys Limited | Private company limited by shares | Live |
| Four Happies Limited | Private company limited by shares | Dissolved |
| FOUR HAPPINESS RESTAURANT LIMITED | Private company limited by shares | Dissolved |
| HAPPY FOUR COMPANY LIMITED | Private company limited by shares | Dissolved |
| TOP FOUR HARDWARE PRODUCTS (HK) CO., LIMITED | Private company limited by shares | Live |
| FOUR GIG HEADS LIMITED | Company limited by guarantee | Live |
| FOUR HEADWATERS LIMITED | Private company limited by shares | Dissolved |
| FOUR HEART INTERNATIONAL CORPORATION LIMITED | Private company limited by shares | Dissolved |
| HEDGE FOUR LIMITED | Private company limited by shares | Live |