| UNION FASHION GARMENT LIMITED | Private company limited by shares | Dissolved |
| UNIVERSITY MEDICAL GROUP LIMITED | Private company limited by shares | Live |
| UNITRANS COMPANY LIMITED | Private company limited by shares | Live |
| FIRST UNIQUE LIMITED | Private company limited by shares | Dissolved |
| HONG KONG HONG CHAU UNION DEVELOPMENT LIMITED | Private company limited by shares | Live |
| UNION PLAZA (SHENZHEN) INVESTMENT LIMITED | Private company limited by shares | Live |
| UNI-ESSENCE LIMITED | Private company limited by shares | Dissolved |
| UNITY ENTERTAINMENT GROUP LIMITED | Private company limited by shares | Dissolved |
| UNITY ENTERTAINMENT & PRODUCTION LIMITED | Private company limited by shares | Dissolved |
| TOP UNION ELECTRIC LIMITED | Private company limited by shares | Dissolved |
| SMART UNION CORPORATE SERVICES LIMITED | Private company limited by shares | Dissolved |
| UNION ENTERPRISES (GROUP) LIMITED | Private company limited by shares | Dissolved |
| M-W UNIVERSE INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| UNION PRODUCTS & ENG. CO., LIMITED | Private company limited by shares | Live |
| GLOBE UNION INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL PAKCO HOLDING LIMITED | Private company limited by shares | Dissolved |
| FORTUNE DRAGON UNIVERSAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| WELL UNITED MARITIME LIMITED | Private company limited by shares | Live |
| UNIZEX UNIVERSAL LIMITED | Private company limited by shares | Dissolved |
| UNION FIELD ENERGY & PETROCHEMICAL LIMITED | Private company limited by shares | Dissolved |
| CHINA UNION LIMITED | Private company limited by shares | Dissolved |
| INTERNATIONAL CLOUD FINANCE UNION GROUP LIMITED | Private company limited by shares | Live |
| WIN UNITED LIMITED | Private company limited by shares | Live |
| EASTERN UNION INTERNATIONAL SHIPPING CO., LIMITED | Private company limited by shares | Live |
| UNIRESGUROE CO. LIMITED | Private company limited by shares | Live |
| FORTUNE UNION INTERNATIONAL HOLDING LIMITED | Private company limited by shares | Dissolved |
| UNITED CREATIVE AGENCY LIMITED | Private company limited by shares | Dissolved |
| H.K. UNION EDUCATION LIMITED | Private company limited by shares | Dissolved |
| UNI-LINK LIMITED | Private company limited by shares | Dissolved |
| GRAND UNITED LIMITED | Private company limited by shares | Dissolved |
| UNI-FULL LIMITED | Private company limited by shares | Live |
| UNITY CHEMICALS COMPANY LIMITED | Private company limited by shares | Live |
| UNITED.COM LIMITED | Private company limited by shares | Live |
| NEW UNIVERSALS BRASS WARE FACTORY COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL ALUMINIUM ENGINEERING LIMITED | Private company limited by shares | Live |
| UNION MILLION CONSTRUCTION LIMITED | Private company limited by shares | Live |
| UNION BILLION LIMITED | Private company limited by shares | Dissolved |
| POWER UNIVERSE TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| CHINA INTERNATIONAL UNION INVESTMENT LIMITED | Private company limited by shares | Live Ceased dormancy on 02-Sep-2004 |
| UNI-WAY CONSULTANTS LIMITED | Private company limited by shares | Live |
| UNIQUE ASSET LIMITED | Private company limited by shares | Dissolved |
| UNIFYSOFT LIMITED | Private company limited by shares | Live |
| E-TRADE UNITED LIMITED | Private company limited by shares | Dissolved |
| UNION ART PRINTING INDUSTRIES LIMITED | Private company limited by shares | Dissolved |
| DONGGUAN UNIVERSAL CONSULTING COMPANY LIMITED | Private company limited by shares | Live |
| TUNG'S UNION ENGINEERING LIMITED | Private company limited by shares | Live |
| UNION POWER ENTERPRISE MANAGEMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNIMC AND COMPANY LIMITED | Private company limited by shares | Dissolved |
| CHINA ARTIST UNION GROUP LIMITED | Private company limited by shares | Live |
| ON UNION TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| ON UNION ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| UNITON TRADING LIMITED | Private company limited by shares | Live |
| SKY UNION (FAR EAST) LIMITED | Private company limited by shares | Live |
| UNIVERSE STAR INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| GLOBAL CHINESE UNION PRESS LIMITED | Private company limited by shares | Dissolved |
| CHINA UNIONS LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL RESTAURANT DEPOT LIMITED | Private company limited by shares | Dissolved |
| KWAI CHING UNITED GREEN PUBLIC LIGHT BUS COMPANY LIMITED | Private company limited by shares | Live |
| TRINITY UNIVERSE LIMITED | Private company limited by shares | Dissolved |
| BEST UNION INTERNATIONAL SHIPPING COMPANY LIMITED | Private company limited by shares | Live |
| UNION RICH PAPER COMPANY LIMITED | Private company limited by shares | Live |
| KT UNITED LIMITED | Private company limited by shares | Live |
| UNION TRADING TECHNOLOGY (H.K.) CO., LIMITED | Private company limited by shares | Dissolved |
| STALLION UNIVERSAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| CROWN UNION INTERNATIONAL HOLDINGS LIMITED | Private company limited by shares | Live |
| GOOD UNION TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| UNION FIRST MANAGEMENT LIMITED | Private company limited by shares | Dissolved |
| UNION FIELD HOLDINGS LIMITED | Private company limited by shares | Live |
| UNIWAY TECHNOLOGY INTERNATIONAL LIMITED | Private company limited by shares | Live |
| UNIIC TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| UNION SMART LIMITED | Private company limited by shares | Live |
| GOODHOPE UNION LIMITED | Private company limited by shares | Dissolved |
| FORCE UNION LIMITED | Private company limited by shares | Live |
| HONG KONG HEALTH AND BEAUTY UNION LIMITED | Private company limited by shares | Dissolved |
| LEADER UNION INTERNATIONAL LIMITED | Private company limited by shares | Live |
| UNI-RAY (CHINA) LIMITED | Private company limited by shares | Dissolved |
| UNION (INTERNATIONAL) COMPUTER LIMITED | Private company limited by shares | Live |
| CHINA UNITED INVESTMENTS LIMITED | Private company limited by shares | Live |
| TOP UNION MOTORS LIMITED | Private company limited by shares | Dissolved |
| ASIAN UNITED INVESTMENTS LIMITED | Private company limited by shares | Live |
| KINGWELL UNIVERSAL LIMITED | Private company limited by shares | Live |
| UNION OCEAN INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| FORTUNE UNION (HONG KONG) DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| TOP UNION TECHNOLOGY ENTERPRISE CO., LIMITED | Private company limited by shares | Dissolved |
| PERMIUM. UNION INVESTMENT HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| UNION PAYMENT TECHNOLOGY & SERVICES LIMITED | Private company limited by shares | Dissolved |
| CENTURY UNITED GROUP (H.K.) INVESTMENT CO., LIMITED | Private company limited by shares | Dissolved |
| UNICORP SALES LIMITED | Private company limited by shares | Live |
| UNICOM FINANCIAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNION GENIUS LIMITED | Private company limited by shares | Dissolved |
| NEW UNION LIMITED | Private company limited by shares | Dissolved |
| UNI-RICH TECHNOLOGY LIMITED | Private company limited by shares | Live |
| UNITED CORPORATE CONSULTANCY LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL LINK REGISTRATIONS LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL LINK SECRETARIAL LIMITED | Private company limited by shares | Live |
| MILE UNIVERSAL DENIM FACTORY LIMITED | Private company limited by shares | Dissolved |
| UNION MED. (HONGKONG) LIMITED | Private company limited by shares | Live |
| CHINAWAY (UNION) CONSTRUCTION COMPANY LIMITED | Private company limited by shares | Live |
| UNITED MAX PRODUCTS LIMITED | Private company limited by shares | Live Commenced dormancy on 27-Aug-2014 |
| NEW UNION INTERNATIONAL (CHINA) LIMITED | Private company limited by shares | Dissolved |