| 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 |
| OLENO UNDERWEAR (HONG KONG) COMPANY 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 |
| TAIWAN OULIYA UNDERWEAR SHARES LIMITED | Private company limited by shares | Live |
| 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 |
| UNION JOY LIMITED | Private company limited by shares | Live |
| UNION FORD INVESTMENTS LIMITED | Private company limited by shares | Live |
| UNION TIME INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| UNI-CHANNEL TECHNOLOGY LIMITED | Private company limited by shares | Live |
| JOY UNITED INVESTMENTS LIMITED | Private company limited by shares | Live |
| POWER UNIVERSE TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| UNISONIC LIMITED | Private company limited by shares | Dissolved |
| UNITED FIRST PACIFIC CREDIT SERVICE (H.K.) LIMITED | Private company limited by shares | Dissolved |
| UNITRI LIMITED | Private company limited by shares | Dissolved |
| UNITED TRUMP TRADING LIMITED | Private company limited by shares | Dissolved |
| UNION LINK INVESTMENTS LIMITED | Private company limited by shares | Live |
| UNIVERSAL INVESTMENTS LIMITED | Private company limited by shares | Live |
| UNION TECHNOLOGY (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| UNION GAIN INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| SKY UNION TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| CN UNION (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| UNION INTERNATIONAL (CHINA) CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| UNION PLANNING COMPANY LIMITED | Private company limited by shares | Live |
| UNIPLUX LIMITED | Private company limited by shares | Live |
| SKY UNION INTERNATIONAL HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| SURPLUS UNITED LIMITED | Private company limited by shares | Live |
| UNION GARMENT LIMITED | Private company limited by shares | Dissolved |
| HK UNION TRADING LIMITED | Private company limited by shares | Live |
| STRONG UNION INTERNATIONAL (HK) LIMITED | Private company limited by shares | Dissolved |
| UNITED GROUP LIMITED | Private company limited by shares | Dissolved |
| UNION TEAM INTERNATIONAL LIMITED | Private company limited by shares | Live |
| UNITY DCT LIMITED | Private company limited by shares | Dissolved |
| HANSAM UNION ENTERPRISES ACOUSTICS INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| CARE UNION LIMITED | Private company limited by shares | Dissolved |
| SKY UNION ASIA LIMITED | Private company limited by shares | Dissolved |
| EXCEL UNION (CHINA) LIMITED | Private company limited by shares | Live |
| UNION GROWTH LIMITED | Private company limited by shares | Dissolved |
| UNION SOUND LIMITED | Private company limited by shares | Live |
| UNITED SOLUTIONS & TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| UNICARE TECHNOLOGY (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| UNION DEVELOPER COMPANY LIMITED | Private company limited by shares | Live |
| AUSTO UNIVERSAL LIMITED | Private company limited by shares | Live |
| GRAND UNION (HK) INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| UNION CARBON GROUP (HK) CO. LIMITED | Private company limited by shares | Dissolved |
| UNITED SYSTEM LIMITED | Private company limited by shares | Dissolved |
| CAPITAL UNIVERSAL LIMITED | Private company limited by shares | Dissolved |
| CHINA UNION INTERNATIONAL HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| MAX UNITED LIMITED | Private company limited by shares | Live |
| UNITED CYBERWORKS LIMITED | Private company limited by shares | Dissolved |
| L & L UNION CO., LIMITED | Private company limited by shares | Dissolved |
| UNION CONTINENTAL HONG KONG LIMITED | Private company limited by shares | Live |
| UNICAM INTERNATIONAL CORPORATION LIMITED | Private company limited by shares | Dissolved |
| CHAMP UNION INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| CHAMP UNION DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| UNION TRADE MATERIALS SUPPLIES LIMITED | Private company limited by shares | Dissolved |
| UNITED MICROWAVE LIMITED | Private company limited by shares | Live |
| CHINA UNION INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| UNICORP INDUSTRIAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNION FRIENDS IMPORT AND EXPORT COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNION GROW LIMITED | Private company limited by shares | Live |
| TOP UNION INTERNATIONAL ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| ACHIEVE UNITED LIMITED | Private company limited by shares | Dissolved |
| GLOBAL UNION ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| UNI-PLASTIC COMPANY LIMITED | Private company limited by shares | Live |