| UNIWELL PACIFIC LIMITED | Private company limited by shares | Live |
| UNIMASSES GROUP COMPANY LIMITED | Private company limited by shares | Live |
| UNIVERSAL STAR ENTERPRISES LIMITED | Private company limited by shares | Live |
| GRAND UNION PROPERTY AGENCY LIMITED | Private company limited by shares | Live |
| Union-test Inspection Service Limited | Private company limited by shares | Live |
| UNITED INGREDIENTS LIMITED | Private company limited by shares | Live |
| Unitron Enterprises Limited | Private company limited by shares | Live |
| UNITED TRADING PVT LIMITED | Private company limited by shares | Live |
| UNION LUCKY HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| SINO UNION TRADING LIMITED | Private company limited by shares | Live |
| Asean Union Co., Limited | Private company limited by shares | Live |
| PROSPER UNION MINING CO., LIMITED | Private company limited by shares | Live |
| CAPITAL UNION GROUP LIMITED | Private company limited by shares | Live |
| SUPREME UNION INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| VAST UNION INVESTMENT LIMITED | Private company limited by shares | Live |
| WISE UNIVERSAL LIMITED | Private company limited by shares | Live |
| IDEAL UNION LIMITED | Private company limited by shares | Live |
| UNIQUE RICH LIMITED | Private company limited by shares | Live |
| Union Rich Development Consultancy Company Limited | Private company limited by shares | Live |
| FAVOUR UNION LIMITED | Private company limited by shares | Live |
| UNIVERSAL GATEWAY LIMITED | Private company limited by shares | Live |
| JOINT UNION ENGINEERING (H.K.) COMPANY LIMITED | Private company limited by shares | Live |
| UNITED HIP LIK COSMETIC LIMITED | Private company limited by shares | Dissolved |
| Ocean Universe Shipping Limited | Private company limited by shares | Live |
| NINGBO SUNSHINE UNITED IMP&EXP CO., LIMITED | Private company limited by shares | Live |
| UNITED HK TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Unidata Holding Limited | Private company limited by shares | Live |
| Universal Overseas Alliance Limited | Private company limited by shares | Live |
| UNIVERSAL MOTORS LIMITED | Private company limited by shares | Live |
| UNITED KOTEWALL STAR LIMITED | Private company limited by shares | Live |
| ATTRACTIVE UNION LIMITED | Private company limited by shares | Live |
| UNITED CREATION LIMITED | Private company limited by shares | Live |
| UNION STARS TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| GOLD UNION DEVELOPMENT LIMITED | Private company limited by shares | Live |
| HK CINDA UNIVERSAL INVESTMENT MANAGEMENT CO., LIMITED | Private company limited by shares | Live |
| NOAH'S ARK ASIA PACIFIC INTERNATIONAL UNITED GROUP LIMITED | Private company limited by shares | Live |
| VAST UNITED LIMITED | Private company limited by shares | Live |
| MISSION UNION LIMITED | Private company limited by shares | Live |
| TAKE UNION INTERNATIONAL LIMITED | Private company limited by shares | Live |
| PROFOUND UNION INVESTMENT LIMITED | Private company limited by shares | Live |
| Poseidon Universal Trading Company Limited | Private company limited by shares | Live |
| UNION KEY HOLDINGS LIMITED | Private company limited by shares | Live |
| UNION PROFIT INDUSTRIAL LIMITED | Private company limited by shares | Live |
| UNION SPACE SERVICES COMPANY LIMITED | Private company limited by shares | Live |
| MARITIME UNION INTERNATIONAL LIMITED | Private company limited by shares | Live |
| BIG UNION TRADING LIMITED | Private company limited by shares | Live |
| United HC Limited | Private company limited by shares | Live |
| UNION SOURCE TECHNOLOGY (HK) LIMITED | Private company limited by shares | Live |
| KONG HING UNION CONSTRUCTION CONSULTANTS LIMITED | Private company limited by shares | Live |
| Union Printing & Imaging Company Limited | Private company limited by shares | Live |
| Union Display Technology Limited | Private company limited by shares | Live |
| FREE UNION HOLDINGS LIMITED | Private company limited by shares | Live |
| J & H UNION-TRANSPORT CO., LIMITED | Private company limited by shares | Live |
| UNION GRACE INTERNATIONAL LIMITED | Private company limited by shares | Live |
| Dayang Talent International Union Group Limited | Private company limited by shares | Live |
| NINGBO UNION APPAREL FACTORY LIMITED | Private company limited by shares | Live |
| UNIVERSE BRIGHT NEW ENERGY INVESTMENT LIMITED | Private company limited by shares | Live |
| SKYWARD UNION LIMITED | Private company limited by shares | Live |
| LINYI ENOOY UNION INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| UNICOL SPECIAL MATERIALS LIMITED | Private company limited by shares | Live |
| UNION GAMING SECURITIES ASIA LIMITED | Private company limited by shares | Live |
| UNIVERSAL MIRACLE GROUP LIMITED | Private company limited by shares | Live |
| FRENCH BAIYI UNION (HK) DRESS LIMITED | Private company limited by shares | Live |
| NEW MOON UNION LIMITED | Private company limited by shares | Dissolved |
| UNION CAPITAL MANAGEMENT (ASIA) CO., LIMITED | Private company limited by shares | Live |
| FARSIGHTED IDEA UNITED (HK) LIMITED | Private company limited by shares | Live |
| ELITE UNITY LIMITED | Private company limited by shares | Dissolved |
| IMPERIAL UNIVERSAL GROUP COMPANY LIMITED | Private company limited by shares | Live |
| Med Union Express Co., Limited | Private company limited by shares | Live |
| DRAGON UNITY LIMITED | Private company limited by shares | Live |
| CONCEPT UNIVERSAL LIMITED | Private company limited by shares | Live |
| FORTUNE UNION INC LIMITED | Private company limited by shares | Live |
| WORLD EDUCATION CULTURE ADVANCE UNION LIMITED | Private company limited by shares | Live |
| UNITED RIVER LIMITED | Private company limited by shares | Live |
| UNION NETWORK DEVELOPMENT LIMITED | Private company limited by shares | Live |
| AMPLE UNITED INVESTMENT LIMITED | Private company limited by shares | Live |
| UNION CITY INTERNATIONAL LIMITED | Private company limited by shares | Live |
| UNION EXCEL (HONG KONG) LIMITED | Private company limited by shares | Live |
| UNITED SHEEN LIMITED | Private company limited by shares | Live |
| HK UNIVERSAL INDUSTRY & TRADE LIMITED | Private company limited by shares | Live |
| Zhuoyue Union International Group Co., Limited | Private company limited by shares | Live |
| UNIQUE PRAISE LIMITED | Private company limited by shares | Live |
| UNIVERSAL MAX GROUP LIMITED | Private company limited by shares | Live |
| AURAM UNIVERSAL LIMITED | Private company limited by shares | Live |
| United Logistic Freight Co., Limited | Private company limited by shares | Live |
| Union Currency Exchange Co. Limited | Private company limited by shares | Live |
| GOLDCITY INTERNATIONAL TRADE UNION GROUP LIMITED | Private company limited by shares | Live |
| UNION COMMERCIAL LIMITED | Private company limited by shares | Live |
| TOPGOLD UNIVERSAL LIMITED | Private company limited by shares | Live |
| UNITED BOARD INVESTMENT LIMITED | Private company limited by shares | Live |
| MHT UNION LIMITED | Private company limited by shares | Dissolved |
| UNISON INTERNATIONAL INDUSTRIAL LIMITED | Private company limited by shares | Live |
| Union Sky Industry Co., Limited | Private company limited by shares | Live |
| UNION CROWN GROUP LIMITED | Private company limited by shares | Dissolved |
| UNION CODE LIMITED | Private company limited by shares | Live |
| OCEAN UNION AIR CONDITIONING & ENGINEERING LIMITED | Private company limited by shares | Live |
| HUAYI UNION (CHINA) INVESTMENT LIMITED | Private company limited by shares | Live |
| JET UNION TRANSPORT LIMITED | Private company limited by shares | Live |
| UNIVERSAL RENEWABLE ENERGY LIMITED | Private company limited by shares | Live |
| UNION RICH FOOTWEAR LIMITED | Private company limited by shares | Live |