| SININE UNITED COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNITED SKYLAND LIMITED | Private company limited by shares | Live |
| SLK&GA UNITED LIMITED | Private company limited by shares | Live |
| SMART UNITED LIMITED | Private company limited by shares | Dissolved |
| UNITED SMART LIMITED | Private company limited by shares | Dissolved |
| SMART UNITED LIMITED | Private company limited by shares | Live |
| United Smart Company Limited | Private company limited by shares | Live |
| UNITED SMART ENTERPRISE LIMITED | Private company limited by shares | Live |
| UNITED SMART ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| UNITED SMART INC. LIMITED | Private company limited by shares | Live |
| S.M.K. UNITED LIMITED | Private company limited by shares | Live |
| UNITED SOFT DRINKS LIMITED | Private company limited by shares | Dissolved |
| United Software Limited | Private company limited by shares | Live |
| SMART SOLUTION UNITED LIMITED | Private company limited by shares | Dissolved |
| UNITED SOLUTIONS LIMITED | Private company limited by shares | Live |
| United Solutions Business Limited | Private company limited by shares | Live |
| United Capital Solutions Limited | Private company limited by shares | Live |
| UNITED DIGITAL SOLUTIONS COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNITED PACIFIC SOLUTIONS LIMITED | Private company limited by shares | Dissolved |
| SOUTH UNITED LIMITED | Private company limited by shares | Dissolved |
| SOUTHERN UNITED LIMITED | Private company limited by shares | Dissolved |
| UNITED SOUTHERN COMPANY LIMITED | Private company limited by shares | Dissolved |
| SOUTHERN UNITED LIMITED | Private company limited by shares | Live |
| SOUTHERN UNITED ENTERPRISE LIMITED | Private company limited by shares | Live |
| SOUTHERN UNITED ENTERPRISES COMPANY LIMITED | Private company limited by shares | Dissolved |
| SOUTHERN UNITED ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| UNITED SPACE LIMITED | Private company limited by shares | Live |
| Specialty Trade United Limited | Private company limited by shares | Dissolved |
| SPEED UNITED LIMITED | Private company limited by shares | Dissolved |
| United Speedy Limited | Private company limited by shares | Live |
| SPEEDY UNITED LIMITED | Private company limited by shares | Live |
| UNITED SPORTS LIMITED | Private company limited by shares | Dissolved |
| United Sports Limited | Private company limited by shares | Live |
| UNITED SQUARE LIMITED | Private company limited by shares | Live |
| UNITED STANDARD LIMITED | Private company limited by shares | Dissolved |
| UNITED STANDARD LIMITED | Private company limited by shares | Live |
| STANDARD UNITED LIMITED | Private company limited by shares | Live |
| UNITED STANDARD INC LIMITED | Private company limited by shares | Live |
| UNITED STAR LIMITED | Private company limited by shares | Live |
| HAY STAR (UNITED) LIMITED | Private company limited by shares | Dissolved |
| STAR UNITED LIMITED | Private company limited by shares | Dissolved |
| STAR UNITED LIMITED | Private company limited by shares | Live |
| UNITED STAR HL LIMITED | Private company limited by shares | Dissolved |
| UNITED STAR RS LIMITED | Private company limited by shares | Live |
| New Star United Limited | Private company limited by shares | Dissolved |
| UNITED STAR (ASIA) LIMITED | Private company limited by shares | Live |
| UNITED STAR BUSINESS LIMITED | Private company limited by shares | Live |
| UNITED STAR ENTERPRISE LIMITED | | Live |
| UNITED STAR ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| STAR UNITED ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| UNITED STAR ENTERPRISES LIMITED | Private company limited by shares | Live |
| UNITED STAR JD ENTERPRISES LIMITED | Private company limited by shares | Live |
| STAR UNITED ENTERPRISES LIMITED | Private company limited by shares | Live |
| UNITED STAR ENTERTAINMENT LIMITED | Private company limited by shares | Dissolved |
| UNITED STAR PAPER & PLASTIC PRODUCTS FACTORY LIMITED | Private company limited by shares | Live |
| UNITED STAR INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNITED STAR INVESTMENT LIMITED | Private company limited by shares | Live |
| STAR UNITED INVESTMENT LIMITED | Private company limited by shares | Live |
| UNITED STAR ASIA INVESTMENT LIMITED | Private company limited by shares | Live |
| UNITED STAR CAPITAL INVESTMENT LIMITED | Private company limited by shares | Live |
| UNITED KOTEWALL STAR LIMITED | Private company limited by shares | Live |
| UNITED STAR MANUFACTURING COMPANY LIMITED | Private company limited by shares | Dissolved |
| INTERNATIONAL MOVIE STAR UNITED CULTURE ASSOCIATION LIMITED | Private company limited by shares | Live |
| UNITED STAR SHIPPING COMPANY LIMITED | Private company limited by shares | Dissolved |
| STAR UNITED SPORTS LIMITED | Private company limited by shares | Live |
| STAR UNITED TRADE LIMITED | Private company limited by shares | Live |
| J&L UNITED STARS ENTERPRISES LIMITED | Private company limited by shares | Live |
| UNITED STEAMSHIP COMPANY, LIMITED | Private company limited by shares | Dissolved |
| ASIA UNITED SHIPPING STEVEDORING LIMITED | Private company limited by shares | Dissolved |
| Storefront United Limited | Private company limited by shares | Live |
| UNITED STRAITS CONSULTANCY LIMITED | Private company limited by shares | Dissolved |
| UNITED STRATEGY LIMITED | Private company limited by shares | Live |
| STRATEGY UNITED LIMITED | Private company limited by shares | Live |
| UNITED STRENGTH LIMITED | Private company limited by shares | Live |
| United Strength Power HK Limited | Private company limited by shares | Live |
| UNITED STRONG LIMITED | Private company limited by shares | Dissolved |
| UNITED STRONG LIMITED | Private company limited by shares | Dissolved |
| UNITED STRONG LIMITED | Private company limited by shares | Live |
| ST UNITED STUDIO LIMITED | Private company limited by shares | Live |
| UNITED SUCCESS COMPANY LIMITED | Private company limited by shares | Live |
| SUCCESS UNITED LIMITED | Private company limited by shares | Dissolved |
| SUCCESS UNITED LIMITED | Private company limited by shares | Live |
| SUCCESS UNITED LIMITED | Private company limited by shares | Live |
| UNITED TOP SUCCESS LIMITED | Private company limited by shares | Live |
| SUCCESS UNITED LIMITED | | Live |
| UNITED SUCCESS CONTRACTORS LIMITED | Private company limited by shares | Live |
| UNITED SUCCESS ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| UNITED SUCCESS ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| UNITED SUCCESS ENTERPRISES LIMITED | Private company limited by shares | Live |
| UNITED SUCCESS MANUFACTURER LIMITED | Private company limited by shares | Live |
| United Success Supply Limited | Private company limited by shares | Dissolved |
| UNITED SUMMIT LIMITED | Private company limited by shares | Dissolved |
| UNITED SUMMIT LIMITED | Private company limited by shares | Live |
| United Summit Limited | | Live |
| UNITED SUNAC LIMITED | Private company limited by shares | Live |
| TAI SUNG UNITED DRAYAGE COMPANY LIMITED | Private company limited by shares | Dissolved |
| Sungate United Limited | Private company limited by shares | Live |
| SUNNY UNITED LIMITED | Private company limited by shares | Live |
| UNITED SUNNY LIMITED | Private company limited by shares | Dissolved |
| UNITED SUNNY LIMITED | Private company limited by shares | Live |