| UNITED SUNNY LIMITED | Private company limited by shares | Live |
| UNITED SUNNY INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SUNRISE UNITED LIMITED | Private company limited by shares | Dissolved |
| NINGBO SUNSHINE UNITED IMP&EXP CO., LIMITED | Private company limited by shares | Live |
| SUPER UNITED LIMITED | Private company limited by shares | Dissolved |
| UNITED SUPER LIMITED | Private company limited by shares | Live |
| SUPER UNITED LIMITED | Private company limited by shares | Live |
| SUPER UNITED INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| UNITED SUPPLY LIMITED | Private company limited by shares | Live |
| UNITED SURE LIMITED | Private company limited by shares | Dissolved |
| SURPLUS UNITED LIMITED | Private company limited by shares | Live |
| UNITED SURPLUS LIMITED | Private company limited by shares | Dissolved |
| UNITED SURPLUS LIMITED | Private company limited by shares | Live |
| UNITED GOLD SURPLUS LIMITED | Private company limited by shares | Dissolved |
| UNITED SURPLUS PROPERTIES LIMITED | Private company limited by shares | Live |
| UNITED NATIONS RESEARCH PARK FOR HUMAN SURVIVAL LIMITED | Private company limited by shares | Live |
| UNITED SWIFT LIMITED | Private company limited by shares | Live Commenced dormancy on 25-Jan-2016 |
| UNITED SWIFT LIMITED | Private company limited by shares | Live |
| UNITED SYNDICATE LIMITED -THE- | Private company limited by shares | Dissolved |
| UNITED SYSTEM LIMITED | Private company limited by shares | Dissolved |
| UNITED SYSTEM LIMITED | Private company limited by shares | Dissolved |
| UNITED BUSINESS SYSTEM COMPANY LIMITED | Private company limited by shares | Dissolved |
| United Business System Limited | | Live |
| ESEMI UNITED SYSTEM LIMITED | Private company limited by shares | Live |
| FREIGHT UNITED SYSTEM LIMITED | Private company limited by shares | Live |
| ULTIWISE UNITED SYSTEM CO. LIMITED | Private company limited by shares | Dissolved |
| UNITED AIR SYSTEMS COMPANY LIMITED | Private company limited by shares | Live |
| IoT United Systems Limited | Private company limited by shares | Live |
| United Systems Limited | Private company limited by shares | Live |
| UNITED KITCHEN SYSTEMS LIMITED | Private company limited by shares | Live |
| UNITED TACT LIMITED | Private company limited by shares | Dissolved |
| UNITED TALENT LIMITED | Private company limited by shares | Dissolved |
| TALENT UNITED LIMITED | Private company limited by shares | Dissolved |
| UNITED TALENT LIMITED | Private company limited by shares | Live |
| TALENT UNITED LIMITED | Private company limited by shares | Live |
| TALENT UNITED LIMITED | Private company limited by shares | Live |
| HK United Talent Agency Limited | Private company limited by shares | Live |
| UNITED TALENT ASIA LIMITED | Private company limited by shares | Dissolved |
| UNITED TALENT ASIA LIMITED | Private company limited by shares | Dissolved |
| UNITED TALENT ENTERPRISE LIMITED | Private company limited by shares | Live |
| Talent United Holding Limited | Private company limited by shares | Live |
| UNITED TALENT INC. LIMITED | Private company limited by shares | Live |
| UNITED TALENT INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNITED TALENT CAPITAL INVESTMENT LIMITED | Private company limited by shares | Live |
| UNITED TALENT INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| UNITED TALENT INVESTMENTS LIMITED | Private company limited by shares | Live |
| UNITED TALENT ASIA PACIFIC LIMITED | Private company limited by shares | Live |
| TALENTUL EMBELLISH UNITED LIMITED | Private company limited by shares | Live |
| TALK UNITED LIMITED | Private company limited by shares | Dissolved |
| TANWEER UNITED LIMITED | Private company limited by shares | Live |
| UNITED TARGET LIMITED | Private company limited by shares | Dissolved |
| UNITED TARGET LIMITED | Private company limited by shares | Dissolved |
| TARGET UNITED LIMITED | Private company limited by shares | Dissolved |
| UNITED TARGET LIMITED | Private company limited by shares | Live |
| UNITED TARGET ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| UNITED TARGET INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNITED TEAM LIMITED | Private company limited by shares | Dissolved |
| TEAM UNITED LIMITED | Private company limited by shares | Dissolved |
| UNITED TEAM LIMITED | Private company limited by shares | Live |
| TEAM UNITED LIMITED | Private company limited by shares | Live |
| UNITED TEAMS LIMITED | Private company limited by shares | Dissolved |
| UNITED TECH LIMITED | Private company limited by shares | Dissolved |
| GO TECH (UNITED) LIMITED | Private company limited by shares | Dissolved |
| TECH UNITED LIMITED | Private company limited by shares | Live |
| UNITED TECH LIMITED | Private company limited by shares | Live |
| UNITED TECH CO. PVT LIMITED | Private company limited by shares | Live |
| TECH UNITED LIMITED | Private company limited by shares | Live |
| UNITED TECH ASIA LIMITED | Private company limited by shares | Live |
| HK United Dreams Tech Limited | | Live |
| UNITED TECH ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| UNITED TECH INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNITED TECH INVESTMENT HOLDING LIMITED | Private company limited by shares | Live |
| PROCAMS TECH UNITED LIMITED | Private company limited by shares | Live |
| United Tech Resources Limited | Private company limited by shares | Live |
| UNITED TECH SOLUTION LIMITED | Private company limited by shares | Live |
| TECHNIC UNITED LIMITED | Private company limited by shares | Dissolved |
| UNITED TECHNICA LIMITED | Private company limited by shares | Dissolved |
| UNITED TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| UNITED AI TECHNOLOGY CO. LIMITED | Private company limited by shares | Dissolved |
| PAB UNITED TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| GMR UNITED TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| UNITED TOP TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| SKY UNITED TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| RA UNITED TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| UNITED TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| UNITED WAY TECHNOLOGY LIMITED | Private company limited by shares | Live |
| NEW UNITED TECHNOLOGY LIMITED | Private company limited by shares | Live |
| United Win Technology Limited | Private company limited by shares | Dissolved |
| UNITED HK TECHNOLOGY LIMITED | Private company limited by shares | Live |
| UNITED TECHNOLOGY LIMITED | Private company limited by shares | Live |
| United Technology R&D Limited | Private company limited by shares | Live |
| U & A United Technology Limited | Private company limited by shares | Live |
| WAN QI UNITED TECHNOLOGY LIMITED | Private company limited by shares | Live |
| UNITED SKY TECHNOLOGY LIMITED | Private company limited by shares | Live |
| ADVANCED UNITED TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| UNITED ASIA TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| AVIC United Technology HK Limited | Private company limited by shares | Live |
| AVIC UNITED TECHNOLOGY LIMITED | Private company limited by shares | Live |
| UNITED BEST TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNITED BEST TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |