| UnI-Optometric Service Limited | Private company limited by shares | Live |
| UNION TRILLION INVESTMENT LIMITED | Private company limited by shares | Live |
| SKY UNION BUSINESS EXPAND LIMITED | Private company limited by shares | Live |
| UNION PACIFIC ELECTRONIC LIMITED | Private company limited by shares | Live |
| GOOD UNION SHIPPING LIMITED | Private company limited by shares | Live |
| BALANCE UNION ASIAPACIFIC (HK) LIMITED | Private company limited by shares | Live |
| UNION BLESSING HK INVESTMENT LIMITED | Private company limited by shares | Live |
| UNION WINMARK LIMITED | Private company limited by shares | Live |
| UNIVERSAL COSMOS INC LIMITED | Private company limited by shares | Live |
| AMARS UNIVERSE LIMITED | Private company limited by shares | Live |
| CHINA UNION ESTABLISHMENT GROUP LIMITED | Private company limited by shares | Live |
| SILVER UNION CREATION LIMITED | Private company limited by shares | Live |
| TRIUMPH UNION LOGISTICS LIMITED | Private company limited by shares | Live |
| Glory Union House Trading Limited | Private company limited by shares | Live |
| Chong Ying Union Company Limited | Private company limited by shares | Live |
| BCS UNITED LIMITED | Private company limited by shares | Live |
| Chong Cheng Universal Investment Limited | Private company limited by shares | Live |
| UNION RED LIMITED | Private company limited by shares | Live |
| UNIVERSAL MEGA GROWTH LIMITED | Private company limited by shares | Live |
| NEW FORTUNE UNION GROUP LIMITED | Private company limited by shares | Live |
| JOIN UNITED LIMITED | Private company limited by shares | Live |
| UNION REGION LIMITED | Private company limited by shares | Live |
| SUPER UNION DEVELOPMENT LIMITED | Private company limited by shares | Live |
| GREAT UNION CORPORATE LIMITED | Private company limited by shares | Live |
| CS Underwriting Limited | Private company limited by shares | Live |
| EASTERN UNION INC LIMITED | Private company limited by shares | Live |
| UNION GOOD DEVELOPMENT LIMITED | Private company limited by shares | Live |
| CHAMPION UNION DEVELOPMENT LIMITED | Private company limited by shares | Live |
| CREATIVE UNION DEVELOPMENT LIMITED | Private company limited by shares | Live |
| GOOD UNION MOTION LIMITED | Private company limited by shares | Live |
| UNION BILLION INTERNATIONAL TRADING LIMITED | Private company limited by shares | Live |
| ELITE UNION INVESTMENT LIMITED | Private company limited by shares | Live |
| VAST UNITED INVESTMENT LIMITED | Private company limited by shares | Live |
| UNIVERSAL SMART INVESTMENT LIMITED | Private company limited by shares | Live |
| UNION EXCEL DEVELOPMENT LIMITED | Private company limited by shares | Live |
| UNION TREASURE DEVELOPMENT LIMITED | Private company limited by shares | Live |
| ENERGY UNION (H.K) TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| GRAND UNION TRAVEL LIMITED | Private company limited by shares | Live |
| WISDOM UNION DING TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| SOAR UNIVERSE TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| UNIQUE ASIA INC LIMITED | Private company limited by shares | Live |
| Tank Union Logistics HK Limited | Private company limited by shares | Live |
| World Dacheng Fist Union Company Limited | Private company limited by shares | Live |
| UNISOURCE I.T. CO., LIMITED | Private company limited by shares | Live |
| UNION HONEST INVESTMENT LIMITED | Private company limited by shares | Live |
| BRIGHT UNION HK INVESTMENT LIMITED | Private company limited by shares | Live |
| NEW CENTURY UNION LIMITED | Private company limited by shares | Live |
| UNION CHEER DEVELOPMENT LIMITED | Private company limited by shares | Live |
| GOLDEN UNION CORPORATE LIMITED | Private company limited by shares | Live |
| GOOD UNION LOGISTICS LIMITED | Private company limited by shares | Live |
| SINO UNION CORPORATE LIMITED | Private company limited by shares | Live |
| Premier Union Business Management Company Limited | Private company limited by shares | Live |
| HK United Investment Group Limited | Private company limited by shares | Live |
| United Sky Asian Investment Company Limited | Private company limited by shares | Live |
| ASIA GREAT UNION LIMITED | Private company limited by shares | Live |
| FAR EAST GREAT UNION LIMITED | Private company limited by shares | Live |
| FAR EAST UNIVERSAL RICH LIMITED | Private company limited by shares | Live |
| UNITED POWERFUL LIMITED | Private company limited by shares | Live |
| HK UNIVERSAL INC LIMITED | Private company limited by shares | Live |
| UNION WELL MEGA TRADE LIMITED | Private company limited by shares | Live |
| UNION STRATEGY LIMITED | Private company limited by shares | Live |
| REX UNION INVESTMENT LIMITED | Private company limited by shares | Live |
| UNION POINT INC. LIMITED | Private company limited by shares | Live |
| UNION EXPRESS INVESTMENT LIMITED | Private company limited by shares | Live |
| UNION TOPPER LIMITED | Private company limited by shares | Live |
| GRACEFUL UNION LIMITED | Private company limited by shares | Live |
| BEST LINK UNITED LIMITED | Private company limited by shares | Live |
| UNIVERSE STUDIO LIMITED | Private company limited by shares | Live |
| KENT UNION INTERNATIONAL LIMITED | Private company limited by shares | Live |
| WIN UNION 88 LIMITED | Private company limited by shares | Live |
| UNION WISDOM TRADE LIMITED | Private company limited by shares | Live |
| UNION WINSTAR LIMITED | Private company limited by shares | Live |
| UNITY RAMEN LIMITED | Private company limited by shares | Live |
| Everchang United Limited | Private company limited by shares | Live |
| YLH UNION INTERNATIONAL LIMITED | Private company limited by shares | Live |
| UNION TRADE DEVELOPMENT LIMITED | Private company limited by shares | Live |
| UNION MERIT LIMITED | Private company limited by shares | Live |
| STARLAND UNIVERSAL LIMITED | Private company limited by shares | Live |
| UNIVERSE TACTIC (HK) LIMITED | Private company limited by shares | Live |
| LEADER UNION DEVELOPMENT LIMITED | Private company limited by shares | Live |
| UNION ONE INVESTMENT LIMITED | Private company limited by shares | Live |
| HONG KONG GRAND UNION INTERNATIONAL LIMITED | Private company limited by shares | Live |
| UNION FULL TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| Chinese School Union Limited | Private company limited by shares | Live |
| UNIVERSAL MMA LIMITED | Private company limited by shares | Live |
| HUA UNION GROUP (HK) CO., LIMITED | Private company limited by shares | Live |
| Union Fortune Container Trading Co., Limited | Private company limited by shares | Live |
| UNIFARM ENTERPRISE LIMITED | Private company limited by shares | Live |
| F&S UNION (HK) CO., LIMITED | Private company limited by shares | Live Commenced dormancy on 09-Oct-2018 |
| Universal Harmony Properties Group Limited | Private company limited by shares | Live |
| UNVERSAL PROFIT TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| Unity Training Limited | Private company limited by shares | Live |
| ASIA UNION CENTURY LIMITED | Private company limited by shares | Live |
| UNION GLORY INC LIMITED | Private company limited by shares | Live |
| UNION LEAD INC LIMITED | Private company limited by shares | Live |
| UNION GOLDFORD LIMITED | Private company limited by shares | Live |
| UNION EVERRICH INC LIMITED | Private company limited by shares | Live |
| FAR EAST WELL UNION LIMITED | Private company limited by shares | Live |
| RICH UNION MEGA TRADE LIMITED | Private company limited by shares | Live |
| UNIVERSES INTERCONNECTION TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |