| UNITED PORT LIMITED | Private company limited by shares | Dissolved |
| UNION ARTIFICIAL FLOWER CO., LIMITED | Private company limited by shares | Dissolved |
| UNION PARK ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| UNION AIR CHARTER FLIGHTS COMPANY LIMITED | Private company limited by shares | Live |
| UNION EAST CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL BASIC LIMITED | Private company limited by shares | Dissolved |
| RA UNITED TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| UNION STAR ASIA LIMITED | Private company limited by shares | Dissolved |
| UNION INTERNATIONAL QUALITY MANAGEMENT ASSOCIATION COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNION CONSTRUCTION WORK LIMITED | Private company limited by shares | Dissolved |
| UNION HOLDING PROPERTY LIMITED | Private company limited by shares | Live |
| UNIQUE SERVICE (ASIA) LIMITED | Private company limited by shares | Live |
| UNION RICH (HONG KONG) SHIPPING COMPANY LIMITED | Private company limited by shares | Live |
| MATEGO UNIVERSAL LIMITED | Private company limited by shares | Live |
| UNIWELL LIMITED | Private company limited by shares | Dissolved |
| UNIWELL CENTURY LIMITED | Private company limited by shares | Live |
| EASTERN UNION INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| L & C UNITED CHEMISTRY COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNISPACE ENTERPRISE COMPANY LIMITED | Private company limited by shares | Dissolved |
| NEW UNION GROUP INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| EVERWIN UNION INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| MID-ASIA UNION INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| PEACE UNION INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNI-TALENT INTERNATIONAL ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| WIN UNION TRADING LIMITED | Private company limited by shares | Live Commenced dormancy on 30-Nov-2012 |
| UNIPHARM INTERNATIONAL (H.K.) LIMITED | Private company limited by shares | Dissolved |
| TOP UNIVERSAL MANAGEMENT LIMITED | Private company limited by shares | Live |
| UNIVERSAL ENTERTAINMENT (ASIA) LIMITED | Private company limited by shares | Dissolved |
| ALLIED UNION CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| UNION INTERNATIONAL ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| UNIBRIDGES LIMITED | Private company limited by shares | Dissolved |
| GREAT UNION CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL 2000 WATERPROOF ENGINEERING CO., LIMITED | Private company limited by shares | Dissolved |
| UNI-COSMOS (CHINA) COMPANY LIMITED | Private company limited by shares | Dissolved |
| VICTORY UNIVERSAL LIMITED | Private company limited by shares | Dissolved |
| HK UNION CHEM GROUP LIMITED | Private company limited by shares | Dissolved |
| RS UNITED (GROUP) LIMITED | Private company limited by shares | Live |
| UNIQUE DESIGN LIMITED | Private company limited by shares | Dissolved |
| J. T. UNION COMPANY LIMITED | Private company limited by shares | Live |
| UNISON SEA & AIR (H.K.) CO. LIMITED | Private company limited by shares | Dissolved |
| WISE UNION CONSTRUCTION LIMITED | Private company limited by shares | Live |
| UNITON LIMITED | Private company limited by shares | Dissolved |
| UNION BRIGHT ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| UNISON ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| SERVANTS IN UNITY LIMITED | Company limited by guarantee | Live |
| UNI-WEALTH TRANSPORTATION LIMITED | Private company limited by shares | Dissolved |
| UNI-WEALTH GARMENT LIMITED | Private company limited by shares | Dissolved |
| UNIVERSE INTERNATIONAL ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| UNION HEALTHCARE LIMITED | Private company limited by shares | Live |
| MISS UNIVERSE, CHINA ORGANIZATION LIMITED -THE- | Private company limited by shares | Dissolved |
| UNION FAIR CONTRACTING LIMITED | Private company limited by shares | Dissolved |
| UNION BANDY LIMITED | Private company limited by shares | Live |
| UNITED CARE COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNICHEM GROUP LIMITED | Private company limited by shares | Dissolved |
| UNION FUBON (H.K.) LIMITED | Private company limited by shares | Dissolved |
| UNION MONEY INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| UNION LEGEND INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| ASIA UNION INVESTMENT CONSULTANT LIMITED | Private company limited by shares | Dissolved |
| UNION DEVELOPMENT INVESTMENT LIMITED | Private company limited by shares | Live |
| UNIVERSAL TECHNOLOGIES (HONG KONG) LIMITED | Private company limited by shares | Live |
| GEM UNIVERSE JEWELRY MANUFACTURING LIMITED | Private company limited by shares | Live |
| IVEN UNIVERSAL LIMITED | Private company limited by shares | Dissolved |
| UNISON INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| UNION SUCCESS INTERNATIONAL TRADING LIMITED | Private company limited by shares | Dissolved |
| UNION GLOBAL HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| UNION WAY INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNION STAR SWIMMING CLUB LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL AMUSEMENTS LIMITED | Private company limited by shares | Dissolved |
| UNI-TREASURE LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL METALS COMPANY LIMITED | Private company limited by shares | Live |
| JADE UNIVERSE ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| UNION LEVELING COMPANY LIMITED | Private company limited by shares | Live |
| UNION INTERNATIONAL INVESTMENT HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| WEALTH UNION INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| SKY UNION CORPORATION LIMITED | Private company limited by shares | Dissolved |
| TOP UNION CORPORATION LIMITED | Private company limited by shares | Dissolved |
| WISE UNION CORPORATION LIMITED | Private company limited by shares | Dissolved |
| CHINA UNIVERSE ENTERPRISE GROUP COMPANY LIMITED | Private company limited by shares | Dissolved |
| POWER UNIVERSE LIMITED | Private company limited by shares | Dissolved |
| UNION TOUGH INTERNATIONAL LIMITED | Private company limited by shares | Live |
| UNION INVESTMENT ENTERPRISE LIMITED | Private company limited by shares | Live Commenced dormancy on 03-Sep-2009 |
| FIRST UNION ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| UNION STABLE INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNION LONG INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| EASTERN UNION FINANCIAL LIMITED | Private company limited by shares | Dissolved |
| HONG KONG UNION GARDEN LIMITED | Private company limited by shares | Live |
| VICTOR UNIVERSAL LIMITED | Private company limited by shares | Live |
| UNITED ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| Unified Communications Limited | Private company limited by shares | Live |
| JOYCE UNION INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| FRANCE UNION VALENTINO INT'L GROUP LIMITED | Private company limited by shares | Dissolved |
| WIN UNION HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| SINO UNION INTERNATIONAL CO., LIMITED | Private company limited by shares | Dissolved |
| HONG KONG COTTON INDUSTRY UNION LIMITED | Private company limited by shares | Live |
| UNION EDUCATION INDEX LIMITED | Private company limited by shares | Live |
| UNION FRIEND SHOES HOLDING LIMITED | Private company limited by shares | Dissolved |
| TIME UNION TRADING LIMITED | Private company limited by shares | Live |
| TIME UNION ASIA FINANCIAL SERVICES LIMITED | Private company limited by shares | Dissolved |
| CHINA UNICHEM INDUSTRIAL LIMITED | Private company limited by shares | Live |