| UNIC ENERGY (INTERNATIONAL) COMPANY LIMITED | Private company limited by shares | Live |
| UNITED TAIHE GROUP LIMITED | Private company limited by shares | Live |
| Global Unique Technology Limited | Private company limited by shares | Dissolved |
| Fine Union Group Inc Limited | Private company limited by shares | Live |
| ROYAL POWER ENTERPRISE UNIVERSAL LIMITED | Private company limited by shares | Live |
| UNIPRESSING PAPER PRACKAGING CO., LIMITED | Private company limited by shares | Dissolved |
| UNION VICTOR HOLDINGS LIMITED | Private company limited by shares | Live |
| UNIVERSAL BUSINESS CONSULTANCY LIMITED | Private company limited by shares | Dissolved |
| Unitevian Investment Limited | Private company limited by shares | Live |
| MEGA UNION INTERNATIONAL TRADING LIMITED | Private company limited by shares | Live |
| UNION RAY LIMITED | Private company limited by shares | Live |
| UNICOM ASIA HOLDING LIMITED | Private company limited by shares | Dissolved |
| WONDER UNION LIMITED | Private company limited by shares | Live |
| Power Union Industrial Co., Limited | Private company limited by shares | Dissolved |
| GOOD UNION HONG KONG DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| HIGGS UNIVERSE LIMITED | Private company limited by shares | Dissolved |
| BEINPOINT UNION LIMITED | Private company limited by shares | Dissolved |
| EXCELLENT UNION FASHION ACCESSORIES CO., LIMITED | Private company limited by shares | Live |
| UNIVERSAL SUMMIT LIMITED | Private company limited by shares | Dissolved |
| UNION MARINE GROUP LIMITED | Private company limited by shares | Dissolved |
| TRADE UNIVERSAL LIMITED | Private company limited by shares | Live |
| PRAISE UNION LIMITED | Private company limited by shares | Live |
| Unisource Semiconductor Technologies Limited | Private company limited by shares | Dissolved |
| Unity (Hong Kong) Industrial Co., Limited | Private company limited by shares | Live |
| SHIN UNION SHIPPING CO., LIMITED | Private company limited by shares | Dissolved |
| UNION GAINER (HONG KONG) LIMITED | Private company limited by shares | Live |
| PACIFIC UNION TRADING LIMITED | Private company limited by shares | Live |
| Presto Universal Limited | Private company limited by shares | Live |
| GREAT UNION ELECTRONIC TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| GLOBAL UNIVERSAL JET LIMITED | Private company limited by shares | Live |
| Shanghai Uniwell Industry Co., Limited | Private company limited by shares | Live |
| EVENING NEWS UNION CO., LIMITED | Private company limited by shares | Live |
| Union Jack Moto Co. Limited | Private company limited by shares | Live |
| SOLARLED UNION GLOBAL GREEN CO., LIMITED | Private company limited by shares | Dissolved |
| Huzhou Universal Glove Hong Kong Limited | Private company limited by shares | Live |
| UNIQOTEQ HONG KONG LIMITED | Private company limited by shares | Live |
| MASTER OF THE UNIVERSE Limited | Private company limited by shares | Live |
| China Union Asset Investment Group Limited | Private company limited by shares | Live |
| WELL HARVEST UNION LIMITED | Private company limited by shares | Live |
| UNITRANS (ASIA) SHIPPING COMPANY LIMITED | Private company limited by shares | Live |
| UNION RICH ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| Rich Forest Universal Limited | Private company limited by shares | Live |
| Hongkong Unifashion Co., Limited | Private company limited by shares | Live |
| UNIFUL ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| CYBER UNION CORPORATION LIMITED | Private company limited by shares | Live |
| STRONG UNION CORPORATION LIMITED | Private company limited by shares | Live |
| UNIVERSAL PHOENIX LIMITED | Private company limited by shares | Live |
| POWER UNION CORPORATION LIMITED | Private company limited by shares | Live |
| UNION BRIGHT INTERNATIONAL DEVELOP LIMITED | Private company limited by shares | Dissolved |
| UNITED SCORE LIMITED | Private company limited by shares | Live |
| UNITECH ENERGY RESOURCES LIMITED | Private company limited by shares | Live |
| UNITECH ENERGY TOOLS LIMITED | Private company limited by shares | Live |
| BEST UNION RESOURCES LIMITED | Private company limited by shares | Dissolved |
| UNIQUE FASHIONS WEAR LIMITED | Private company limited by shares | Live |
| BEAUTY UNION INTERNATIONAL DEVELOP LIMITED | Private company limited by shares | Live |
| PLUS UNITED LIMITED | Private company limited by shares | Dissolved |
| UNIQUE WATCH COMPANY LIMITED | Private company limited by shares | Live |
| UNISMART (HK) CO., LIMITED | Private company limited by shares | Live |
| UNION CENTURY ENTERPRISES LIMITED | Private company limited by shares | Live |
| UNION VENTURE INTERNATIONAL LIMITED | Private company limited by shares | Live |
| JC UNION MARINE CO., LIMITED | Private company limited by shares | Live |
| TARGET UNION CONSULTANTS CO., LIMITED | Private company limited by shares | Live |
| NINGBO UNITOL TOOLS COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNIVERSE INTERNATIONAL Cosmetic Co., Limited | Private company limited by shares | Live |
| UNION GAIN CORPORATION LIMITED | Private company limited by shares | Live |
| Union Deluxe International Investment Limited | Private company limited by shares | Live |
| KINGFORT UNIVERSAL LIMITED | Private company limited by shares | Live |
| UNION HARVEST ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL ASIA TRADING INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| GREEN UNION GROUP LIMITED | Private company limited by shares | Live |
| UNION CHIP TECHNOLOGY LIMITED | Private company limited by shares | Live |
| UNIQUE CARPET LIMITED | Private company limited by shares | Live |
| ALLIED UNIVERSAL LIMITED | Private company limited by shares | Live |
| CHINA UNIVERSE INTERNATIONAL TRADING LIMITED | Private company limited by shares | Live |
| WEST UNION LEATHER CO., LIMITED | Private company limited by shares | Live |
| China Investors United Limited | Private company limited by shares | Dissolved |
| European Union Fund Management Group Limited | Private company limited by shares | Live |
| UNIVERSAL CHAIN MANAGEMENT, LIMITED | Private company limited by shares | Live |
| NAGI SPIRITS UNIVERSAL NOODLE LIMITED | Private company limited by shares | Live |
| UNION RIGHT LIMITED | Private company limited by shares | Live |
| MILLIONS UNION INTERNATIONAL CAPITAL LIMITED | Private company limited by shares | Live |
| BRIGHT UNION INVESTMENT DEVELOPMENT LIMITED | Private company limited by shares | Live |
| UNION ASSETS LIMITED | Private company limited by shares | Live |
| UNION ACHIEVE LIMITED | Private company limited by shares | Live |
| United Nations Education Science Culture Organization Children Education Research Center Limited | Private company limited by shares | Dissolved |
| UNION BROTHER INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| OFA UNIQUE LIMITED | Private company limited by shares | Live |
| UNIVERSE GROUP TRADING CO., LIMITED | Private company limited by shares | Live |
| UNITED CAPITAL INVESTMENT LIMITED | Private company limited by shares | Live |
| New Star United Limited | Private company limited by shares | Dissolved |
| UNION SMART CAPITAL INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL TRADE INC. LIMITED | Private company limited by shares | Live |
| Universe International Packing Co., Limited | Private company limited by shares | Dissolved |
| KING UNION GROUP LIMITED | Private company limited by shares | Live |
| UNIT16 LIMITED | Private company limited by shares | Live |
| NEW UNION IMPORT & EXPORT LIMITED | Private company limited by shares | Live |
| GREAT UNION CAPITAL HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL ASIA HONG KONG GROUP LIMITED | Private company limited by shares | Live |
| UNIONS HONG KONG ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| United Business Associates Limited | Private company limited by shares | Dissolved |