| JET HERO UNIVERSAL LIMITED | Private company limited by shares | Live |
| REGENT UNIVERSAL TRADING LIMITED | Private company limited by shares | Dissolved |
| GAIN UNITED LIMITED | Private company limited by shares | Live |
| LINK UNITED LIMITED | Private company limited by shares | Live |
| UNI-PLUS ELECTRONIC COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNISON INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| UNION MIND INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| CHANGE UNIVERSITY LIMITED | Private company limited by shares | Live |
| UNIPOWER LIMITED | Private company limited by shares | Dissolved |
| UNITED ELASTOMER LIMITED | Private company limited by shares | Dissolved |
| HONG KONG UNION OUSLAN HOLDINGS LIMITED | Private company limited by shares | Live |
| UNIVERSAL MARINE LIMITED | Private company limited by shares | Dissolved |
| JEWELLERY UNITED NATION COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNIWIS TECH LIMITED | Private company limited by shares | Live |
| TREASURE UNION HOLDINGS LIMITED | Private company limited by shares | Live |
| JET UNION TRANSPORTATION LIMITED | Private company limited by shares | Dissolved |
| CHINA SEA INTERNATIONAL (UNION) COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNION HOLDING LIMITED | Private company limited by shares | Live |
| EURASIA & AMERICA ENTERPRISES UNION LIMITED | Private company limited by shares | Dissolved |
| UNION BRIGHT ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| UNION CORPORATE HK LIMITED | Private company limited by shares | Dissolved |
| UNI-SKY ENTERPRISE LIMITED | Private company limited by shares | Live |
| QUANDER BRASSIERE AND UNDERWEAR FACTORY LIMITED | Private company limited by shares | Live |
| UNION FINANCIAL SERVICES CORPORATION (H.K.) LIMITED | Private company limited by shares | Dissolved |
| MILE UNIVERSAL ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| UNI-PLUS LIMITED | Private company limited by shares | Dissolved |
| EQUITY UNDERWRITERS LIMITED | Private company limited by shares | Dissolved |
| UNIWO HONG KONG CO., LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL FREIGHT SYSTEM (ASIA) LIMITED | Private company limited by shares | Live |
| WINNER UNION INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| TOP CLIMBING UNION (HK) LIMITED | Private company limited by shares | Dissolved |
| EQUILIBRIUM LEARNING UNIVERSE LIMITED -THE- | Private company limited by shares | Dissolved |
| UNITED CREATOR LIMITED | Private company limited by shares | Live |
| PACIFIC UNIVERSAL LIMITED | Private company limited by shares | Dissolved |
| UNION CHANNEL LIMITED | Private company limited by shares | Dissolved |
| UNI-BRIGHT TRADING LIMITED | Private company limited by shares | Live |
| UNION TRADERS LIMITED | Private company limited by shares | Dissolved |
| KING UNISOURCE (HONG KONG) COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNITED CAPITAL (ASIA) TRADING LIMITED | Private company limited by shares | Dissolved |
| LUCKY UNIVERSAL INVESTMENT LIMITED | Private company limited by shares | Live |
| GLOBAL UNIVERSE LIMITED | Private company limited by shares | Dissolved |
| GLOBAL UNION HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| UNION TEXTILES LIMITED | Private company limited by shares | Live |
| TECHNIC UNITED LIMITED | Private company limited by shares | Dissolved |
| UNION KINETIC LIMITED | Private company limited by shares | Dissolved |
| UNIVERSE INTERNATIONAL (HK) CO LIMITED | Private company limited by shares | Dissolved |
| UNITED MANUFACTURERS' CO., LIMITED | Private company limited by shares | Dissolved |
| UNITED PRESTIGE LIMITED | Private company limited by shares | Live |
| UNI-WORKS SYSTEMS HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| UNION TECK ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| FAR EAST UNION INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNION TARGET CORPORATION LIMITED | Private company limited by shares | Dissolved |
| UNICONCEPT LIMITED | Private company limited by shares | Dissolved |
| UNION FINE TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| UNION SYSTEM LIMITED | Private company limited by shares | Live Commenced dormancy on 17-Feb-2015 |
| UNIVERSAL GENERAL (HONG KONG) COMPANY LIMITED | Private company limited by shares | Live |
| PAL UNION INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| UNION EAST INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL COMMERCIAL RISK MANAGEMENT LIMITED | Private company limited by shares | Dissolved |
| MANCHESTER UNITED FOOD & BEVERAGE CONCEPTS (HK) LIMITED | Private company limited by shares | Dissolved |
| GREAT UNION FREIGHT LOGISTICS LIMITED | Private company limited by shares | Dissolved |
| UNION GAIN DEVELOPMENT ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| UNIWELL GARMENT LIMITED | Private company limited by shares | Live |
| E 2 W UNITED LIMITED | Private company limited by shares | Dissolved |
| UNITED ADVERTISING CO. LIMITED | Private company limited by shares | Live |
| LONG UNION INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| UNI-SOURCE TECHNOLOGIES (H.K.) LIMITED | Private company limited by shares | Live |
| UNIVISION TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNIFI ASIA, LIMITED | Private company limited by shares | Dissolved |
| GLOBE UNION LIMITED | Private company limited by shares | Dissolved |
| UNION WIN LIMITED | Private company limited by shares | Live |
| UNION SHINE TECHNOLOGY LIMITED | Private company limited by shares | Live |
| GOLDEN UNION ENGINEERING PLASTIC CO. LIMITED | Private company limited by shares | Dissolved |
| WEST UNION COMPANY LIMITED | Private company limited by shares | Live |
| YORK UNIVERSE LIMITED | Private company limited by shares | Dissolved |
| MAGIC UNLIMITED (NETHERLANDS) CO., LIMITED | Private company limited by shares | Dissolved |
| CHINA UNIECOM LIMITED | Private company limited by shares | Dissolved |
| CHINA EAST UNION INDUSTRY GROUP LIMITED | Private company limited by shares | Dissolved |
| GOLD UNION TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| UNIVISION INTELLIGENT SURVEILLANCE LIMITED | Private company limited by shares | Live |
| UNION LAND PROPERTY MANAGEMENT LIMITED | Private company limited by shares | Dissolved |
| NEW UNION TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| UNION EAST ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| CHINA UNION INTERNATIONAL GROUP LIMITED | Private company limited by shares | Dissolved |
| UNION ALPHA BUSINESS SERVICES LIMITED | Private company limited by shares | Live |
| SMART UNION INTERNATIONAL (HOLDING) LIMITED | Private company limited by shares | Live |
| UNION TOP CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| UNIQUE (CHINA) LIMITED | Private company limited by shares | Dissolved |
| UNI-CREATION LIMITED | Private company limited by shares | Live |
| UNION INTERNATIONAL INVESTMENT (HK) CO., LIMITED | Private company limited by shares | Live |
| UNION OF GARMENT MANUFACTURER COMPANY LIMITED -THE- | Private company limited by shares | Dissolved |
| WELL UNION (H.K.) LIMITED | Private company limited by shares | Live |
| UNION REHAB-TECH LIMITED | Private company limited by shares | Dissolved |
| OVERSEAS UNION LIMITED | Private company limited by shares | Live Commenced dormancy on 02-Dec-2011 |
| NEW UNION TECHNOLOGY LIMITED | Private company limited by shares | Live |
| UNIQUE DRAGON LIMITED | Private company limited by shares | Dissolved |
| UNION FIRST HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| ORIENT UNION (H.K.) LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL ASIAN INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SMART UNION INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |