| UNION VICTORY INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| UNION METAL LIMITED | Private company limited by shares | Live |
| UNION HEALTH GROUP LIMITED | Private company limited by shares | Dissolved |
| UNI-FAST LIMITED | Private company limited by shares | Dissolved |
| UNIWIN LIMITED | Private company limited by shares | Dissolved |
| UNION METAL PLASTIC FACTORY LIMITED | Private company limited by shares | Live |
| UNITRON ASIA PACIFIC LIMITED | Private company limited by shares | Live |
| UNIVERSAL BRIGHT LIMITED | Private company limited by shares | Dissolved |
| UNION TECHNIC COMPANY LIMITED | Private company limited by shares | Live |
| GRANFORT UNION LIMITED | Private company limited by shares | Dissolved |
| BEST UNION GARMENT LIMITED | Private company limited by shares | Dissolved |
| NEW UNION INTERNATIONAL DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| SINO UNION (CHINA) LIMITED | Private company limited by shares | Dissolved |
| UNIROUTE LIMITED | Private company limited by shares | Dissolved |
| CHINA INTERNATIONAL WINE ENTERPRISE UNION LIMITED | Private company limited by shares | Dissolved |
| UNIQUE LIMITED | Private company limited by shares | Dissolved |
| UNION PROFIT HONG KONG LIMITED | Private company limited by shares | Live |
| GRAND UNISON LIMITED | Private company limited by shares | Live |
| FORTUNE UNIVERSE LIMITED | Private company limited by shares | Dissolved |
| UNION WIN INTERNATIONAL HOLDINGS LIMITED | Private company limited by shares | Live |
| SINCERE UNION DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| ROY UNION INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SKY UNION INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| UNIONFORTUNE POWER INDUSTRIES CO., LIMITED | Private company limited by shares | Live |
| SUPER UNION INTERNATIONAL DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| GLOBAL BUDDHISM COMMERCIAL UNION LIMITED | Private company limited by shares | Dissolved |
| EASTERN UNION INDUSTRIES LIMITED | Private company limited by shares | Dissolved |
| UNISYSTEM INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| United Brave Limited | Private company limited by shares | Live |
| UNION ASIA LIMITED | Private company limited by shares | Dissolved |
| UNION GENESIS INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| USA UNIVERSE GROUP INT'L LIMITED | Private company limited by shares | Live |
| GROUP UNION LIMITED | Private company limited by shares | Dissolved |
| UNION SINGKONG LIMITED | Private company limited by shares | Live |
| GLOBAL UNION PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| UNION HERO ENTERPRISES LIMITED | Private company limited by shares | Live |
| UNIDESIGN FAREAST LIMITED | Private company limited by shares | Live |
| UNITECH HOME APPLIANCES LIMITED | Private company limited by shares | Live |
| BEEPROPOLIS & DIABETES INTERNATIONAL UNION LABORATORY LIMITED | Private company limited by shares | Live |
| UNION HEALTH MEDICAL SUPPLY COMPANY LIMITED | Private company limited by shares | Dissolved |
| WORKING UNIT LIMITED | Private company limited by shares | Live |
| UNITED CHINA VENTURE CAPITAL LIMITED | Private company limited by shares | Live |
| TRINITY UNITED LIMITED | Private company limited by shares | Dissolved |
| GREAT UNION HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| SKY UNION ENTERPRISES LIMITED | Private company limited by shares | Live |
| WORLD UNION INTERNATIONAL ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| UNION CAPITAL INTERNATIONAL LIMITED | Private company limited by shares | Live |
| UNION GLOBAL LIMITED | Private company limited by shares | Dissolved |
| FINE UNION DEVELOPMENT LIMITED | Private company limited by shares | Live |
| UNIQUE TOP SHIPPING LIMITED | Private company limited by shares | Dissolved |
| UNIQUE PROPERTIES LIMITED | Private company limited by shares | Live |
| UNIVERSAL WOOD INDUSTRY GROUP LIMITED | Private company limited by shares | Dissolved |
| UNION SHEEN HONG KONG LIMITED | Private company limited by shares | Dissolved |
| UNION ASIA INTERNATIONAL INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNION CROSS INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| ASIA UNION (HK) TRADING LIMITED | Private company limited by shares | Dissolved |
| UNION DRAGON APPLIANCES LIMITED | Private company limited by shares | Dissolved |
| UNION MARINE SEAFOOD TRADING LIMITED | Private company limited by shares | Dissolved |
| HONG KONG UNION VISION CO., LIMITED | Private company limited by shares | Live |
| JADE UNION LIMITED | Private company limited by shares | Dissolved |
| POWERFUL UNIVERSAL LIMITED | Private company limited by shares | Dissolved |
| UNIPARRY EDUCATION INVESTMENT CO., LIMITED | Private company limited by shares | Dissolved |
| UNION PLASTICS & CHEMICAL (HK) LIMITED | Private company limited by shares | Dissolved |
| UNIVERSE ASIA LIMITED | Private company limited by shares | Live |
| UNION KEY HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| UNIVERSE DIE-CASTING METAL MANUFACTORY COMPANY LIMITED | Private company limited by shares | Live |
| UNIQCLO LIMITED | Private company limited by shares | Dissolved |
| UNITED WORLD CHINESE INVESTMENT FUND HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| UNITED RESOURCES GROUP LIMITED | Private company limited by shares | Live |
| UNIPLUS INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| UNION HONEST INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| JET UNION INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNITED TEAM INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNITED TEAM TRADING LIMITED | Private company limited by shares | Live |
| EXCELLENT UNION ENTERPRISE LIMITED | Private company limited by shares | Live |
| UNION TECHNOLOGY DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| MERIT UNION LIMITED | Private company limited by shares | Dissolved |
| UNIMAG ELECTRONICS CO., LIMITED | Private company limited by shares | Dissolved |
| UNION STAR INTERNATIONAL LIMITED | Private company limited by shares | Live |
| PREMIUM UNION LIMITED | Private company limited by shares | Dissolved |
| UNION FIELD DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| ASIA UNIVERSAL INVESTMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNIX INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNICOM ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL PRODUCTION AND TRADE CO. LIMITED | Private company limited by shares | Live |
| GOLD IDEA UNIVERSAL LIMITED | Private company limited by shares | Live |
| MIND UNIVERSE (HK) LIMITED | Private company limited by shares | Live |
| SANHAO UNION INDUSTRY LIMITED | Private company limited by shares | Live |
| FRANCE MARLBAORU UNION ASSET LIMITED | Private company limited by shares | Dissolved |
| HAONYI UNION ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| EMERALD UNITED OIL COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNION INDUSTRIES (HONG KONG) LIMITED | Private company limited by shares | Live |
| UNICOBA (HK) LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL TRAINING & CONSULTANCY LIMITED | Private company limited by shares | Live |
| FINE UNION TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL ENGINEERING LIMITED | Private company limited by shares | Live |
| ISLAND UNION LIMITED | Private company limited by shares | Live |
| UNION-LINK INTERNATIONAL TOBACCO (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| SUCCESS UNIVERSE GROUP MANAGEMENT LIMITED | Private company limited by shares | Live |
| UNITECH CONSULTANTS LIMITED | Private company limited by shares | Dissolved |