| Mega Union Trading Limited | Private company limited by shares | Live |
| UNION GOLD INC LIMITED | Private company limited by shares | Live |
| UNION SYSTEM ENTERPRISES LIMITED | Private company limited by shares | Live |
| UNION FAVOUR LIMITED | Private company limited by shares | Live |
| UNION CONCEPT INTERNATIONAL LIMITED | Private company limited by shares | Live |
| CHINA MASS ENTERPRENEURSHIP UNION INVESTMENT COMPANY LIMITED | Private company limited by shares | Live |
| UNION JIAYE (HK) TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| STAR UNION HONG KONG DEVELOPMENT LIMITED | Private company limited by shares | Live |
| Aurum Pacific Union Enterprise Limited | Private company limited by shares | Live |
| UNIVERSAL UNION LIMITED | Private company limited by shares | Live |
| International Stomatology Experts Union Limited | Private company limited by shares | Live |
| LISTING ABROAD INT'L INVESTMENT & UNDERWRITER UNION LIMITED | Private company limited by shares | Live |
| Fashion and Wearables Industry Union Limited | Private company limited by shares | Live Commenced dormancy on 01-Jun-2016 |
| SILVER UNION TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| UNION MARK TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| UNION CHAMP TRADING CO., LIMITED | Private company limited by shares | Live |
| ZIXA Union Development Co., Limited | Private company limited by shares | Live |
| QINGFU UNION LIMITED | Private company limited by shares | Live |
| UNION INNOVATION INC LIMITED | Private company limited by shares | Live |
| NEW UNION MARKETING LIMITED | Private company limited by shares | Live |
| JOY UNION LIMITED | Private company limited by shares | Live |
| EXCEL UNION DEVELOPMENT LIMITED | Private company limited by shares | Live |
| UNION BUSINESS (HK) LIMITED | Private company limited by shares | Live |
| UNION TABLEWARE MANUFACTURING LIMITED | Private company limited by shares | Live |
| China Mutual Aid Union Co., Limited | Private company limited by shares | Live |
| UNION STONE HOLDINGS LIMITED | Private company limited by shares | Live |
| UNITED UNION INTERNATIONAL (HK) SERVICES LIMITED | Private company limited by shares | Live |
| Yes Bijoux Union Limited | Private company limited by shares | Live |
| UNION INTERNATIONAL INVESTMENTS GROUP LIMITED | Private company limited by shares | Live |
| International Education Union Co., Limited | Private company limited by shares | Live |
| UNION OCEAN INTERNATIONAL DEVELOPMENT LIMITED | Private company limited by shares | Live |
| Union Science Limited | Private company limited by shares | Live |
| INTERNATIONAL UNION FOUNDATION LIMITED | Private company limited by shares | Live |
| WIN UNION GLOBAL INVESTMENTS LIMITED | Private company limited by shares | Live |
| GUANGZHOU PENGRU UNION BRAND MANAGEMENT LIMITED | Private company limited by shares | Live |
| UNION MANUFACTURING (HONGKONG) LIMITED | Private company limited by shares | Live |
| China Jinfeng Union Asset Management Limited | Private company limited by shares | Live |
| Brother Union Trading Company Limited | Private company limited by shares | Live |
| UNION RICH (CHINA) LIMITED | Private company limited by shares | Live |
| UNION SERVER TECHNOLOGY LIMITED | Private company limited by shares | Live |
| FU UNION INTERNATIONAL LIMITED | Private company limited by shares | Live |
| HONGKONG KIEMO UNION ELECTRONICS CO., LIMITED | Private company limited by shares | Live |
| KIEMO UNION ELECTRONICS CO., LIMITED | Private company limited by shares | Live |
| Harvard Medical Postdoctor Union Limited | Private company limited by shares | Live |
| UNION HOPE HOLDING GROUP LIMITED | Private company limited by shares | Live |
| FAR SAIL UNION (HK) LIMITED | Private company limited by shares | Live |
| Novelty Union Technology Co., Limited | Private company limited by shares | Live |
| TEAM UNION TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| Golden Union Investment (Asia) Limited | Private company limited by shares | Live |
| UNIVERSAL UNION TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| UNION GATE CORPORATION LIMITED | Private company limited by shares | Live |
| UNION TWISTER INTERNATIONAL LIMITED | Private company limited by shares | Live |
| GUANGDONG GOLF TEAM UNION LIMITED | Private company limited by shares | Live |
| INTERNATIONAL UNION INCORPORATION LIMITED | Private company limited by shares | Live |
| CHINA YINPIAO DEALERS UNION CO., LIMITED | Private company limited by shares | Live |
| UNION GOLD TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| HYASCENT UNION INTERNATIONAL ENTERPRISE GROUP COMPANY LIMITED | Private company limited by shares | Live |
| TALENT UNION TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| HK UNION HOLDINGS GROUP LIMITED | Private company limited by shares | Live |
| UNION RAY TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| GLOBAL UNION INCORPORATION TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| UNION HOLDINGS (HK) LIMITED | Private company limited by shares | Live |
| HONG KONG KARTERS UNION LIMITED | Private company limited by shares | Live |
| LOYALTY UNION GLOBAL COMPANY LIMITED | Private company limited by shares | Live |
| UNION FAITHFUL (ASIA) LIMITED | Private company limited by shares | Live |
| OCEAN UNION INTERNATIONAL DEVELOPMENT LIMITED | Private company limited by shares | Live |
| UNION GREAT TRADING LIMITED | Private company limited by shares | Live |
| RICH UNION INTERNATIONAL TRADING LIMITED | Private company limited by shares | Live |
| INTERNATIONAL UNION PAINTER-CALLIGRAPHER ASSOCIATION LIMITED | Private company limited by shares | Live |
| UNION INNOVATION ENTERPRISE LIMITED | Private company limited by shares | Live |
| CHINA MAKER SPACE UNION CO., LIMITED | Private company limited by shares | Live |
| UNION FAME DEVELOPMENT LIMITED | Private company limited by shares | Live |
| Dragon Union Green Food Management Company Limited | Private company limited by shares | Live |
| HK Unionway Electronics Limited | Private company limited by shares | Live |
| UNION CHASER LIMITED | Private company limited by shares | Live |
| BEST UNION DEVELOPMENT LIMITED | Private company limited by shares | Live |
| UNION WAY ENGINEERING LIMITED | Private company limited by shares | Live |
| UNION BRIGHT PROPERTIES LIMITED | Private company limited by shares | Live |
| TRUE UNION ASIA LIMITED | Private company limited by shares | Live |
| SEA UNION SHIPPING (HK) LIMITED | Private company limited by shares | Live |
| SMART UNION INTERNATIONAL DEVELOPMENT LIMITED | Private company limited by shares | Live |
| HONGKONG UNION MARINE ENTERPRISES CO., LIMITED | Private company limited by shares | Live |
| WORLD UNION INTERNATIONAL HOLDINGS LIMITED | Private company limited by shares | Live |
| FULL UNION INTERNATIONAL LIMITED | Private company limited by shares | Live |
| EAST UNION INC LIMITED | Private company limited by shares | Live |
| UNION MODERN INDUSTRIAL GROUP CO., LIMITED | Private company limited by shares | Live |
| Aleka Union Limited | Private company limited by shares | Live |
| Pet Union Limited | Private company limited by shares | Live |
| HK ZIFANG UNION TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| SINO-US ENTERPRISE UNION EXPRESS LIMITED | Private company limited by shares | Live |
| CHINA EASTERN & WESTERN BUSINESS UNION LIMITED | Private company limited by shares | Live |
| GRAND UNION TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| MIGHTY UNION LIMITED | Private company limited by shares | Live |
| UNION INTERNATIONAL TRADE LIMITED | Private company limited by shares | Live |
| China Law&Commerce Union Co., Limited | Private company limited by shares | Live |
| GOLDEN UNION HONG KONG INVESTMENT LIMITED | Private company limited by shares | Live |
| INTERNATIONAL FASHION UNION GROUP LIMITED | Private company limited by shares | Live |
| INTERNATIONAL ENTREPRENEUR UNION LIMITED | Private company limited by shares | Live |
| HAI ZHOU UNION INTERNATIONAL TIMBER CO., LIMITED | Private company limited by shares | Live |
| POWER UNION TRADING DEVELOP LIMITED | Private company limited by shares | Live |