| KEEN UNION LIMITED | Private company limited by shares | Live |
| UNIBRASCO COMERCIAL LIMITED | Private company limited by shares | Live |
| SKY UNION CORPORATION LIMITED | Private company limited by shares | Live |
| UNIVERSAL WEALTH CREATION LIMITED | Private company limited by shares | Live |
| UNION RICH (C-HK) LIMITED | Private company limited by shares | Live |
| GOOD UNION (H.K.) TRADING LIMITED | Private company limited by shares | Live |
| UNION LEADER INC LIMITED | Private company limited by shares | Live |
| ORIENTAL UNION INC LIMITED | Private company limited by shares | Live |
| United Damei Investment Co., Limited | Private company limited by shares | Live |
| Luck Rich Universe Group Limited | Private company limited by shares | Live |
| United Speedy Limited | Private company limited by shares | Live |
| ASYAD UNITED CO., LIMITED | Private company limited by shares | Live |
| UNION FULL PROPERTIES LIMITED | Private company limited by shares | Live |
| UNIVERDICT LIMITED | Private company limited by shares | Live |
| UNITED BROTHER CO., LIMITED | Private company limited by shares | Live |
| UNION FORTUNE INC LIMITED | Private company limited by shares | Live |
| Universal Emperor Industry Trade Co., Limited | Private company limited by shares | Live |
| Universal American School HK Limited | Company limited by guarantee | Live |
| UNIVERSE MANNA RESOURCES LIMITED | Private company limited by shares | Live |
| UNIKO INVESTMENT COMPANY LIMITED | Private company limited by shares | Live |
| UNIS INVESTMENT (HK) LIMITED | Private company limited by shares | Live |
| UNION SERVICES (HK) LIMITED | Private company limited by shares | Live |
| UniPlus Limited | Private company limited by shares | Live |
| SBC UNITED GROUP LIMITED | Private company limited by shares | Live |
| Top Sky Universal Group Limited | Private company limited by shares | Live |
| UNIVERSE ALLIANCE SHIPPING CO., LIMITED | Private company limited by shares | Live |
| MARKET UNION LIMITED | Private company limited by shares | Live |
| UNION ACCOUNTING COMPANY LIMITED | Private company limited by shares | Live |
| UNITED POWER INVESTMENT AND TRADING LIMITED | Private company limited by shares | Dissolved |
| UNION SUCCESS ENGINEERING LIMITED | Private company limited by shares | Live |
| UNION GZ TRADING LIMITED | Private company limited by shares | Live |
| KCH UNITY COMPANY LIMITED | Private company limited by shares | Live |
| UNISHEEN TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| UNIVERSAL SMARTEX LIMITED | Private company limited by shares | Live |
| UNIVERSE OCEAN LIMITED | Private company limited by shares | Live |
| UNITED GALAXY CO., LIMITED | Private company limited by shares | Live |
| UNITED UNIVERSAL LIMITED | Private company limited by shares | Live |
| UNIVERSE BRIGHTEN LIMITED | Private company limited by shares | Live |
| UNITED MANUFACTURING COMPANY LIMITED | Private company limited by shares | Dissolved |
| Unibright Projects Limited | Private company limited by shares | Live |
| UNION MILLION LIMITED | Private company limited by shares | Live |
| UNION PACKING MATERIALS (HK) CO., LIMITED | Private company limited by shares | Live |
| TIMELESS UNIVERSE LIMITED | Private company limited by shares | Live |
| UNION CHEER INVESTMENT LIMITED | Private company limited by shares | Live |
| UNI-CHOICE LIMITED | Private company limited by shares | Live |
| VICTORY UNIVERSE TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| UNION SHING INT'L DEVELOP LIMITED | Private company limited by shares | Live |
| BRIGHT UNION TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| Yes Choice Universal Investment Co., Limited | Private company limited by shares | Live |
| UNIQUE LIMITED | Private company limited by shares | Live |
| PREMIER UNION OVERSEAS COMPANY LIMITED | Private company limited by shares | Live |
| Union Pacific Global Limited | Private company limited by shares | Live |
| JUN UNION INTERNATIONAL LIMITED | Private company limited by shares | Live |
| NEW UNIVERSE INC LIMITED | Private company limited by shares | Live |
| GREAT UNION FOOD & DRINKS CO. LIMITED | Private company limited by shares | Dissolved |
| Jet Union Diesel Fuel Injection Technology Company Limited | Private company limited by shares | Live |
| Union Kind Industries Limited | Private company limited by shares | Live |
| HARMONY UNION COMPANY LIMITED | Private company limited by shares | Live |
| International SelfCoach Union Limited | Private company limited by shares | Live |
| UNITED ASIAPAC INC LIMITED | Private company limited by shares | Live |
| UNION GOOD INC LIMITED | Private company limited by shares | Live |
| UNIVERSAL GREATWALL LIMITED | Private company limited by shares | Live |
| Union Innovation Fashion Group HK Limited | Private company limited by shares | Live |
| SQ UNION INVESTMENT HOLDINGS GROUP LIMITED | Private company limited by shares | Live |
| UNION EMPIRE (ASIA) LIMITED | Private company limited by shares | Live |
| PACIFIC UNITED LIMITED | Private company limited by shares | Live Commenced dormancy on 06-May-2016 |
| UNION SENSE TRADING LIMITED | Private company limited by shares | Live |
| UNIMATRIX ONE LIMITED | Private company limited by shares | Live |
| UNION SENSE LIMITED | Private company limited by shares | Live |
| UNION VESSEL DEVELOP LIMITED | Private company limited by shares | Live |
| SKY UNITED INVESTMENTS LIMITED | Private company limited by shares | Live |
| UNI-KIND LIMITED | Private company limited by shares | Live |
| UNITED JOY INVESTMENT LIMITED | Private company limited by shares | Live |
| Universe Room Limited | Private company limited by shares | Live |
| ASIA UNION MARKETING COMPANY LIMITED | Private company limited by shares | Live |
| Uniquelogcn Limited | Private company limited by shares | Live |
| REDSTONE UNION LIMITED | Private company limited by shares | Live |
| HUNDRED UNION TECHNOLOGY LIMITED | Private company limited by shares | Live |
| UNIVERSAL DELUXE LIMITED | Private company limited by shares | Live |
| UNITED PRESTIGE INC LIMITED | Private company limited by shares | Live |
| SINO UNION CORPORATION LIMITED | Private company limited by shares | Live |
| UNITED NATIONS HUASHANG ENTERPRISE UNITED INTERNATIONAL GROUP CO., LIMITED | Private company limited by shares | Live |
| UNIVERSAL ELITE INC LIMITED | Private company limited by shares | Live |
| UNION ELITE INC LIMITED | Private company limited by shares | Live |
| GLOBAL UNION CORPORATION LIMITED | Private company limited by shares | Live |
| BEST UNION SHIPPING CO., LIMITED | Private company limited by shares | Live |
| Uni-shine AD Limited | Private company limited by shares | Live |
| INTELLECTUAL PROPERTY RIGHTS UNION CO., LIMITED | Private company limited by shares | Live |
| WIN UNION INDUSTRIES LIMITED | Private company limited by shares | Live |
| CREATE UNION INTERNATIONAL DEVELOPMENT LIMITED | Private company limited by shares | Live |
| POWER UNION ENTERPRISES LIMITED | Private company limited by shares | Live |
| UNION DEALERS LIMITED | Private company limited by shares | Live |
| UNIOCEAN LIMITED | Private company limited by shares | Live |
| CHINA UNION MINERAL CO., LIMITED | Private company limited by shares | Live |
| Universal Button Production Limited | Private company limited by shares | Live |
| UNION SOURCING LIMITED | Private company limited by shares | Live |
| SINO UNION WORLDWIDE LIMITED | Private company limited by shares | Live |
| UNION RICH INC LIMITED | Private company limited by shares | Live |
| Long Sing Union Engineering Limited | Private company limited by shares | Live |
| INTERNATIONAL CHINESE BUSINESS UNION GROUP LIMITED | Private company limited by shares | Live |