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| UNIMPEDED LIMITED | Private company limited by shares | Live |
| United States DRYDENE Petrol-Chemical Industry Group Co., Limited | Private company limited by shares | Live |
| CHINA UCID UNITED LIMITED | Private company limited by shares | Live |
| Hope Federation Union Limited | Company limited by guarantee | Live |
| UNION FIVE COMPANY LIMITED | Private company limited by shares | Live |
| UNIWARE DIGITAL LIMITED | Private company limited by shares | Live |
| MAGIC UNION (INTERNATIONAL) LIMITED | Private company limited by shares | Live |
| REDROSE UNION DEVELOPMENT SHARES LIMITED | Private company limited by shares | Live |
| UNION BATTERY LIMITED | Private company limited by shares | Live |
| United Glory LNG Shipping Co., Limited | Private company limited by shares | Live |
| MAX UNION INDUSTRIES LIMITED | Private company limited by shares | Live |
| Leader Universe Limited | Private company limited by shares | Live |
| GREAT UNION CORPORATION LIMITED | Private company limited by shares | Live |
| UNION GROUP ENTERPRISES LIMITED | Private company limited by shares | Live |
| United Sky HealthCare Limited | Private company limited by shares | Live |
| FRIENDS UNION MAINTENANCE LIMITED | Private company limited by shares | Live |
| UNIVERSAL TECHNO SOLUTIONS LIMITED | Private company limited by shares | Live |
| Unison Commerce Limited | Private company limited by shares | Live |
| UNION SAVOR INTERNATIONAL LIMITED | Private company limited by shares | Live |
| Elite Union Engineering Limited | Private company limited by shares | Live |
| UNITED EQUITY LIMITED | Private company limited by shares | Live |
| UNION INDUSTRY EQUIPMENTS LIMITED | Private company limited by shares | Live |
| HUN UNION INVESTMENT LIMITED | Private company limited by shares | Live |
| Brighten Universe Group Limited | Private company limited by shares | Live |
| Education Centres' Union Limited | Private company limited by shares | Live |
| Union Wealth International Holdings Limited | Private company limited by shares | Live |
| Children Unique Limited | Private company limited by shares | Live |
| Espery Union Co., Limited | Private company limited by shares | Live |
| ROYALTY UNIVERSAL COMPANY LIMITED | Private company limited by shares | Live |
| W1 UNIFORM LIMITED | Private company limited by shares | Live |
| Union Safety Services Limited | Private company limited by shares | Live |
| WORLD SHIYEJIA UNION GROUP LIMITED | Private company limited by shares | Live |
| Union Translation Service Limited | Private company limited by shares | Live |
| HK WE UNION EDUCATION COMPANY LIMITED | Private company limited by shares | Live |
| International Union Fitness Food Limited | Private company limited by shares | Live |
| Union Star Lighting Limited | Private company limited by shares | Live |
| UNIVERSAL COMPUTING SOLUTIONS LIMITED | Private company limited by shares | Live |
| STARS UNION TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| UNION SKYTONE TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| China Union Sports Technology Limited | Private company limited by shares | Live |
| Union Kitchen Limited | Private company limited by shares | Live |
| HK Universocial Limited | Private company limited by shares | Live |
| Livable Universe Company Limited | Private company limited by shares | Live |
| AA Union Company Limited | Private company limited by shares | Live |
| XQ UNIVERSAL LIMITED | Private company limited by shares | Live |
| Unified Soldiers Bakery Limited | Company limited by guarantee | Live |
| Big Metal Union Co., Limited | Private company limited by shares | Live |
| RESOURCE UNION LIMITED | Private company limited by shares | Live |
| Universal TGB Limited | Private company limited by shares | Live |
| United Pacific HK Limited | Private company limited by shares | Live |
| UNION HEALTH LIMITED | Private company limited by shares | Live |
| Hong Kong Ability Union Investment Company Limited | Private company limited by shares | Live |
| Union Read Limited | Private company limited by shares | Live |
| DRAGON UNION TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| United FA Limited | Private company limited by shares | Live |
| International IT Union Limited | Private company limited by shares | Live |
| UNITED FIRST LIMITED | Private company limited by shares | Live |
| EASY UNION INVESTMENTS LIMITED | Private company limited by shares | Live |
| Union Design House International Limited | Private company limited by shares | Live |
| GOLD UNION RICH TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| RISE UNION TRADING LIMITED | Private company limited by shares | Live |
| Union Engineering Asia Limited | Private company limited by shares | Live |
| UNION HONG KONG DEVELOPMENT HOLDINGS LIMITED | Private company limited by shares | Live |
| Universe City Watch & Jewellery Limited | Private company limited by shares | Live |
| Global Teochew Union Co., Limited | Private company limited by shares | Live |
| Union Logistics (Hong Kong) Limited | Private company limited by shares | Live |
| Universe Capital (HK) Limited | Private company limited by shares | Live |
| Uniqlo V Pin Limited | Private company limited by shares | Live |
| Unik International Limited | Private company limited by shares | Live |
| Asia United Health Big Data Service Group Co., Limited | Private company limited by shares | Live |
| TOKYO UNIVERSE TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Universal Stage Hong Kong Co., Limited | Private company limited by shares | Live |
| Union Fortune Industry Limited | Private company limited by shares | Live |
| Surreyer Chinese Union Co., Limited | Private company limited by shares | Live |
| Union Passenger Limited | Private company limited by shares | Live |
| Union Prosperity Limited | Private company limited by shares | Live |
| UNION PLATFORM LIMITED | Private company limited by shares | Live |
| LRC UNION ASIA LIMITED | Private company limited by shares | Live |
| UNION CHINA GROUP HOLDING LIMITED | Private company limited by shares | Live |
| MILLION STARS UNION TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Sinocare Cosmetic Union Limited | Private company limited by shares | Live |
| JC UNION MARINE CO., LIMITED | Private company limited by shares | Live |
| Universal Brightness Esoteric Buddhist Seminary | Company limited by guarantee | Live |
| Union Credit Limited | Private company limited by shares | Live |
| Women Sewing Union Limited | Company limited by guarantee | Live |
| United Beauty Group(HongKong) Co., Limited | Private company limited by shares | Live |
| Universe Resources Group Company Limited | Private company limited by shares | Live |
| PRO UNION ASIA LIMITED | Private company limited by shares | Live |
| Unison Production Limited | Private company limited by shares | Live |
| SMART UNIHOME LIMITED | Private company limited by shares | Live |
| United Lend Limited | Private company limited by shares | Live |
| UNION (HK) TRADING DEVELOPMENT LIMITED | Private company limited by shares | Live |
| UNION WIN LIMITED | Private company limited by shares | Live |
| VISION UNITED LIMITED | Private company limited by shares | Live |
| UNITED FORCE ENTERPRISES LIMITED | Private company limited by shares | Live |
| UNION LUCKY INDUSTRIAL PTE. LIMITED | Private company limited by shares | Live |
| UNITED BUSINESS INVESTMENT LIMITED | Private company limited by shares | Live |
| Unik Systems Company (consultancy) Limited | Private company limited by shares | Live |