| UNITED SAIL LIMITED | Private company limited by shares | Dissolved |
| SALCO UNITED COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNITED SALES LIMITED | Private company limited by shares | Dissolved |
| UNITED SALES LIMITED | Private company limited by shares | Live |
| UNITED SANE LIMITED | Private company limited by shares | Live |
| UNITED ASIA SAWMILL LIMITED | Private company limited by shares | Dissolved |
| United Scaffolding Company Limited | Private company limited by shares | Live |
| United Scaffolding Company Limited | | Live |
| UNITED SCENE LIMITED | Private company limited by shares | Live |
| SCIENTIFIC UNITED LIMITED | Private company limited by shares | Dissolved |
| Anxin United Sci-Trade Company Limited | Private company limited by shares | Live |
| UNITED SCORE LIMITED | Private company limited by shares | Live |
| UNITED SCORE DEVELOPMENTS LIMITED | Private company limited by shares | Dissolved |
| UNITED SCORE ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| UNITED SCORE INVESTMENTS LIMITED | Private company limited by shares | Live Commenced dormancy on 19-Mar-1996 |
| UNITED SEAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNITED CHINESE SECRETARIAL LIMITED | Private company limited by shares | Dissolved |
| UNITED SECRETARIES LIMITED | Private company limited by shares | Live |
| UNITED SENCO LIMITED | Private company limited by shares | Dissolved |
| UNITED SENSE LIMITED | Private company limited by shares | Dissolved |
| UNITED SENSE LIMITED | Private company limited by shares | Dissolved |
| UNITED SENSE LIMITED | Private company limited by shares | Dissolved |
| UNITED SENSE LIMITED | Private company limited by shares | Live |
| United Sensing and MediTech Limited | | Live |
| UNITED SENTRY LIMITED | Private company limited by shares | Live |
| UNITED SERVICE COMPANY, LIMITED | Private company limited by shares | Dissolved |
| United Service Limited | Private company limited by shares | Live |
| UNITED SERVICE LIMITED | | Live |
| United Courier Service Limited | Private company limited by shares | Live |
| UNITED FIRST PACIFIC CREDIT SERVICE (H.K.) LIMITED | Private company limited by shares | Dissolved |
| United Maritime Service Limited | Private company limited by shares | Live |
| UNITED MOTOR SERVICE LIMITED | Private company limited by shares | Live |
| UNITED PHOTOPLAY SERVICE LIMITED -THE- | Private company limited by shares | Dissolved |
| UNITED PROJECTS & SERVICE LIMITED | Private company limited by shares | Live |
| United Power Shareholding Company Limited | Private company limited by shares | Live |
| SHEEN UNITED LIMITED | Private company limited by shares | Dissolved |
| UNITED SHEEN LIMITED | Private company limited by shares | Live |
| SHEEN UNITED LIMITED | Private company limited by shares | Live |
| QING YUAN SHEK KOK UNITED YOUTH ASSOCIATION (HK) LIMITED | 擔保有限公司 | Live |
| Shenghai United Limited | | Live |
| Shengmu United Limited | Private company limited by shares | Live |
| UNITED SHINER LIMITED | Private company limited by shares | Live |
| Shining United HK Limited | Private company limited by shares | Live |
| UNITED SHIPOWNERS COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNITED WAY SHIPPING COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNITED SHIPPING LIMITED | Private company limited by shares | Dissolved |
| WIN UNITED SHIPPING LIMITED | Private company limited by shares | Dissolved |
| UNITED SHIPPING LIMITED | Private company limited by shares | Dissolved |
| CNO UNITED SHIPPING LIMITED | Private company limited by shares | Live |
| UNITED WAY SHIPPING LIMITED | Private company limited by shares | Live |
| UNITED SHIPPING LIMITED | Private company limited by shares | Dissolved |
| UNITED WIN SHIPPING LIMITED | Private company limited by shares | Live |
| Joy United Shipping Limited | Private company limited by shares | Live |
| AA UNITED SHIPPING LIMITED | | Live |
| UNITED ASIA SHIPPING LIMITED | Private company limited by shares | Dissolved |
| UNITED CENTURY SHIPPING LIMITED | Private company limited by shares | Dissolved |
| UNITED CHINESE SHIPPING COMPANY, LIMITED | Private company limited by shares | Dissolved |
| UNITED SHIPPING & ENTERPRISES LIMITED | Private company limited by shares | Live |
| UNITED GLORY SHIPPING CO. LIMITED | Private company limited by shares | Dissolved |
| GOLD UNITED SHIPPING LIMITED | Private company limited by shares | Live |
| UNITED OCEAN SHIPPING LIMITED | Private company limited by shares | Dissolved |
| UNITED OCEAN SHIPPING LIMITED | Private company limited by shares | Live |
| UNITED PACIFIC SHIPPING LIMITED | Private company limited by shares | Live |
| United Shoes Limited | Private company limited by shares | Dissolved |
| UNITED SHOES ASIA LIMITED | Private company limited by shares | Dissolved |
| UNITED SIGHT LIMITED | Private company limited by shares | Live |
| SILVER UNITED LIMITED | Private company limited by shares | Dissolved |
| UNITED SILVER LIMITED | Private company limited by shares | Dissolved |
| SILVER UNITED LIMITED | Private company limited by shares | Live |
| SILVER UNITED LIMITED | Private company limited by shares | Live |
| SILVER UNITED ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| SININE UNITED COMPANY LIMITED | Private company limited by shares | Dissolved |
| 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 |