| UNION PHARMA CO., LIMITED | Private company limited by shares | Live |
| Uni-Prosper International Co., Limited | Private company limited by shares | Live |
| UNION MAX TRADING (HK) LIMITED | Private company limited by shares | Live |
| UNIFORT LIMITED | Private company limited by shares | Live |
| UNION RICHEST INVESTMENT LIMITED | Private company limited by shares | Live |
| UNIVERSAL PROPERTIES LIMITED | Private company limited by shares | Live |
| UNISON FINANCE LIMITED | Private company limited by shares | Dissolved |
| WINMAX UNIVERSAL LIMITED | Private company limited by shares | Live |
| UNITED SUCCESS FINANCE LIMITED | Private company limited by shares | Dissolved |
| Universal Enterprise Limited | Private company limited by shares | Live |
| UNION POWER HIGH-TECH CO., LIMITED | Private company limited by shares | Dissolved |
| Middle East United Petroleum Group Holding Company Limited | Private company limited by shares | Dissolved |
| FLYING UNIVERSE INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| UNIONZ LIMITED | Private company limited by shares | Live |
| UNITED PROPERTIES LIMITED | Private company limited by shares | Live |
| FRIENDS OF UNIVERSE LIMITED | Private company limited by shares | Dissolved |
| WIN UNION GROUP LIMITED | Private company limited by shares | Dissolved |
| UNION TRAED (HONGKONG) LIMITED | Private company limited by shares | Dissolved |
| UNIMAD ASIA LIMITED | Private company limited by shares | Live |
| OCEAN UNION FAR EAST LIMITED | Private company limited by shares | Dissolved |
| ASIAN UNITY LIMITED | Private company limited by shares | Live |
| UNION VISION LIMITED | Private company limited by shares | Live |
| UNION FOCUS LIMITED | Private company limited by shares | Live |
| United Markets Limited | Private company limited by shares | Dissolved |
| UNITECH HONGKONG INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SUN UNION DEVELOPMENT LIMITED | Private company limited by shares | Live |
| UNION RISING (GROUP) TRADING LIMITED | Private company limited by shares | Dissolved |
| UNION MEDICAL INTERNATIONAL CO., LIMITED | Private company limited by shares | Live |
| SINO UNION INTERNATIONAL CREATION LIMITED | Private company limited by shares | Live Commenced dormancy on 12-Apr-2012 |
| FRIEND UNION INDUSTRIAL LIMITED | Private company limited by shares | Live |
| CHINA UNIFICATION HOLDING LIMITED | Private company limited by shares | Live |
| MEDIA UNION LIMITED | Private company limited by shares | Live |
| UNION KUDOS COMPANY LIMITED | Private company limited by shares | Live |
| UNION TOP CONSULTANTS LIMITED | Private company limited by shares | Live |
| UNION WORLD HONG KONG GROUP LIMITED | Private company limited by shares | Dissolved |
| ART UNITED LIMITED | Private company limited by shares | Live |
| SINO UNION INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| UNION LEADER INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| TRI UNION INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| CHINESE EDUCATION TRAINING UNION LIMITED | Private company limited by shares | Dissolved |
| ALPHA UNION LIMITED | Private company limited by shares | Dissolved |
| SKYTECH UNION LIMITED | Private company limited by shares | Dissolved |
| HONGKONG WELL UNION LIMITED | Private company limited by shares | Dissolved |
| UNION APPAREL LIMITED | Private company limited by shares | Live |
| HONGKONG CHEER UNION LIMITED | Private company limited by shares | Dissolved |
| Best United Trading Limited | Private company limited by shares | Dissolved |
| WORLD ENTERPRISER UNION LIMITED | Private company limited by shares | Dissolved |
| GERMANY DAZHONG UNITED OIL PRODUCTS GROUP CO., LIMITED | Private company limited by shares | Dissolved |
| UNION CHAMPION APAC LIMITED | Private company limited by shares | Dissolved |
| UNION PACIFIC SHIPPING LIMITED | Private company limited by shares | Live |
| UNICRESE ASIA LIMITED | Private company limited by shares | Dissolved |
| CHINA SUPPLIERS ENTERPRISE UNION LIMITED | Private company limited by shares | Dissolved |
| UniAvionics Science & Technology Co., Limited | Private company limited by shares | Dissolved |
| UNION FAITH ENTERPRISE GROUP HOLDING LIMITED | Private company limited by shares | Dissolved |
| United Products Limited | Private company limited by shares | Live |
| TEAM UNION TECH DEVELOPMENT CO., LIMITED | Private company limited by shares | Dissolved |
| ZHONGRI UNION KITCHEN WARE (CHINA) LIMITED | Private company limited by shares | Dissolved |
| FESTA UNITED CO., LIMITED | Private company limited by shares | Live |
| UNIVERSE MARKET LIMITED | Private company limited by shares | Live |
| Union International Asset Management Limited | Private company limited by shares | Dissolved |
| UNION RICHEST INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| UNION MAX LIMITED | Private company limited by shares | Dissolved |
| JOY UNION LIMITED | Private company limited by shares | Dissolved |
| Universal Winery Limited | Private company limited by shares | Live Commenced dormancy on 25-Oct-2010 |
| Ark Union Production Limited | Private company limited by shares | Dissolved |
| UNIDRAGON LIMITED | Private company limited by shares | Dissolved |
| UNIGROUPE HOLDING LIMITED | Private company limited by shares | Dissolved |
| UNISON SHIPPING COMPANY LIMITED | Private company limited by shares | Live |
| UNI-WELL INTERNATIONAL INVESTMENT LIMITED | Private company limited by shares | Live |
| UNILIGHTING CO., LIMITED | Private company limited by shares | Live |
| UNIQUICK LIMITED | Private company limited by shares | Dissolved |
| USA JIAJI UNION INT'L CHEMICAL INDUSTRY HOLDING LIMITED | Private company limited by shares | Dissolved |
| UNI-LYTE FACTORY LIMITED | Private company limited by shares | Dissolved |
| UNISON INTERNATIONAL INDUSTRY LIMITED | Private company limited by shares | Live |
| HK UNIPRO INTERNATIONAL INDUSTRY LIMITED | Private company limited by shares | Dissolved |
| SUNNY UNION INTERNATIONAL CO., LIMITED | Private company limited by shares | Live |
| UNITY SOURCING LIMITED | Private company limited by shares | Live |
| UNION LUCKY (H.K.) LIMITED | Private company limited by shares | Live |
| UNIVERSAL CENTURY LIMITED | Private company limited by shares | Live |
| UNI-WELL CREATION LIMITED | Private company limited by shares | Live |
| UNION OF CATHOLIC ASIAN NEWS LIMITED | Private company limited by shares | Live |
| UNION PROJECT LIMITED | Private company limited by shares | Live |
| ARABIAN UNION TRADING CO., LIMITED | Private company limited by shares | Live |
| UNION POWER INC. LIMITED | Private company limited by shares | Live |
| UNIVERSAL VENTURE (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| Great Union Biotech (Hong Kong) Company Limited | Private company limited by shares | Live |
| VSP UNIVERSAL LIMITED | Private company limited by shares | Dissolved |
| AMPLE UNITED LIMITED | Private company limited by shares | Dissolved |
| VICTOR UNION LIMITED | Private company limited by shares | Live |
| TRUMP UNION INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SOAR UNIFORM COMPANY LIMITED | Private company limited by shares | Live |
| UNIQUE SAFETY LIMITED | Private company limited by shares | Live |
| UNITY STONE CO., LIMITED | Private company limited by shares | Live |
| UNITED COMMERCIAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNION ASIA SOURCING COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNION WAY WORLDWIDE LIMITED | Private company limited by shares | Live |
| China Union Import & Export Limited | Private company limited by shares | Live |
| HONEST UNION & PARTNERS LIMITED | Private company limited by shares | Live |
| Universal Metal Company (Hong Kong) Limited | Private company limited by shares | Live |
| RAINBOW UNION INVESTMENTS LIMITED | Private company limited by shares | Live |