| Unicon Business Consultants Limited | Private company limited by shares | Live |
| ROCKY UNION TRADE LIMITED | Private company limited by shares | Live |
| Hing Yip Union Mechanics (Hong Kong) Limited | Private company limited by shares | Live |
| HK UNION QINGTENG LIMITED | Private company limited by shares | Live |
| GLOBAL UNION TECHNOLOGY LIMITED | Private company limited by shares | Live |
| United Automation Limited | Private company limited by shares | Live |
| UNITA TRADING COMPANY LIMITED | Private company limited by shares | Live |
| Unifrog Education HK Limited | Private company limited by shares | Live |
| CENTRAL UNITED LIMITED | Private company limited by shares | Live |
| EVER-GLORY UNION (HK) CO., LIMITED | Private company limited by shares | Live |
| GREAT UNION GLOBAL LIMITED | Private company limited by shares | Live |
| CENTURY UNIVERSAL LIMITED | Private company limited by shares | Live |
| UNION LUCKY LIMITED | Private company limited by shares | Live |
| GAIN UNION LIMITED | Private company limited by shares | Live |
| United Ejet Co., Limited | Private company limited by shares | Live |
| UNIQUE CONSULTANCY LIMITED | Private company limited by shares | Live |
| CHINA UNION MINING CO., LIMITED | Private company limited by shares | Live |
| Unipath (Hong Kong) Limited | Private company limited by shares | Live |
| HERO UNION TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| Union Town Global Limited | Private company limited by shares | Live |
| SHANDONG UNION IMPORT AND EXPORT CO., LIMITED | Private company limited by shares | Live |
| United Protection Assurance Association Company Limited | Private company limited by shares | Live |
| Uniplasma Technologies Limited | Private company limited by shares | Live |
| Joy Union International Trading Limited | Private company limited by shares | Live |
| UNITED TRIMMINGS LIMITED | Private company limited by shares | Live |
| LEAP UNIVERSE LIMITED | Private company limited by shares | Live |
| NEW UNITIK TOYS CO., LIMITED | Private company limited by shares | Live |
| Unique Universal Limited | Private company limited by shares | Live |
| Union Capital Realty HK Limited | Private company limited by shares | Live |
| UNION MORE TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| UNIONCHEM LIMITED | Private company limited by shares | Live |
| UNION OCEAN MARINE SERVICES COMPANY LIMITED | Private company limited by shares | Live |
| YU TAI UNION INVESTMENT CO., LIMITED | Private company limited by shares | Live |
| UNION COFFEE F&B LIMITED | Private company limited by shares | Live |
| Excellent Universe Limited | Private company limited by shares | Live |
| UNIVERSAL LUXURY SERVICE LIMITED | Private company limited by shares | Live |
| Unique Resource Limited | Private company limited by shares | Live |
| Best Union Athletic Association Limited | Private company limited by shares | Live |
| UniCam Technology Limited | Private company limited by shares | Live |
| Best Union Realty Limited | Private company limited by shares | Live |
| Unilcome Hong Kong Limited | Private company limited by shares | Live |
| Grand Unitary Limited | Private company limited by shares | Live |
| UNICA TRADE LIMITED | Private company limited by shares | Live |
| UNION CYBER COMPANY LIMITED | Private company limited by shares | Live |
| RICH UNION INVESTMENT HOLDINGS LIMITED | Private company limited by shares | Live |
| Virtue Wealth Union Electronic Co., Limited | Private company limited by shares | Live |
| Union Pass International Logistic Limited | Private company limited by shares | Live |
| Union Venture Management Limited | Private company limited by shares | Live |
| Universe Training and Consultancy Limited | Private company limited by shares | Live |
| UNION THREE LIMITED | Private company limited by shares | Live |
| HONG KONG UNIK ELECTRONIC COMMERCE CO., LIMITED | Private company limited by shares | Live |
| Highland Union Industry Limited | Private company limited by shares | Live |
| SIFANG UNION CO., LIMITED | Private company limited by shares | Live |
| ASIA UNICHEM LIMITED | Private company limited by shares | Live |
| UNION YT HOLDINGS CO., LIMITED | Private company limited by shares | Live |
| Union Part Supplies Limited | Private company limited by shares | Live |
| UNION MEGA LIMITED | Private company limited by shares | Live |
| H.K. PINGTAN UNION ASSOCIATION (GENERAL) LIMITED | Company limited by guarantee | Live |
| ITALY UNITED INTERNATIONAL DOORS AND WINDOWS MATCHING SYSTEM LIMITED | Private company limited by shares | Live |
| United Gig Limited | Private company limited by shares | Live |
| UNION TEXTILES DYEING LIMITED | Private company limited by shares | Live |
| Universe Intelligence Technology Limited | Private company limited by shares | Live |
| UNIVERSAL HERITAGE COMPANY LIMITED | Private company limited by shares | Live |
| Union Network Worldwide Co., Limited | Private company limited by shares | Live |
| UNION (HONGKONG) INTERNATIONAL TRADE LIMITED | Private company limited by shares | Live |
| MEN UNITED LIMITED | Private company limited by shares | Live |
| New Union ShenZhen Limited | Private company limited by shares | Live |
| HANG HONG SOCIEDADE UNIPESSOAL LDA LIMITED | Private company limited by shares | Live |
| HONG KONG UNINERGY TECHNOLOGY LIMITED | Private company limited by shares | Live |
| UniNorths Co., Limited | Private company limited by shares | Live |
| UnionHive Limited | Private company limited by shares | Live |
| International Union Of Scientists Limited | Private company limited by shares | Live |
| HUB UNION (HK) CO., LIMITED | Private company limited by shares | Live |
| UNIVERGY HONG KONG LIMITED | Private company limited by shares | Live |
| UNIVERSAL YOGA SCHOOL ASIA LIMITED | Private company limited by shares | Live |
| Union AIT Limited | Private company limited by shares | Live |
| UNION SKYWAY LIMITED | Private company limited by shares | Live |
| SINO UNION GROUP HOLDING LIMITED | Private company limited by shares | Live |
| UNISON TRADING LIMITED | Private company limited by shares | Live |
| HAPPY UNITY LIMITED | Private company limited by shares | Live |
| UNIVERSE ASIA ELECTRONICS LIMITED | Private company limited by shares | Live |
| EVER UNION CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Live |
| RAY UNION LIMITED | Private company limited by shares | Live |
| FAME UNION INTERNATIONAL LIMITED | Private company limited by shares | Live |
| MAIN UNION LIMITED | Private company limited by shares | Live |
| MASS UNITED LIMITED | Private company limited by shares | Live |
| UNIVERSAL MARINE LIMITED | Private company limited by shares | Live |
| HARBOUR UNION INVESTMENTS LIMITED | Private company limited by shares | Live |
| UNIQUE TRINITY INVESTMENTS LIMITED | Private company limited by shares | Live |
| Orient United Metals Co., Limited | Private company limited by shares | Live |
| Alph Union (HK) Co., Limited | Private company limited by shares | Live |
| TY Union Company Limited | Private company limited by shares | Live |
| Unik Group Holding Limited | Private company limited by shares | Live |
| SHANDONG HAOHAN UNIVERSE IMPORT&EXPORT CO., LIMITED | Private company limited by shares | Live |
| SUPREME UNION TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| UNION UNIVERSE TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| UNION CATERING GROUP LIMITED | Private company limited by shares | Live |
| Leopard Union Limited | Private company limited by shares | Live |
| CLOUD UNION INTERNATIONAL CO., LIMITED | Private company limited by shares | Live |
| UNIVERSE INSPIRATION DISPLAY CO., LIMITED | Private company limited by shares | Live |