| 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 |
| IS GONNA BE (UN) 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 |
| UNISON INVESTMENT (HOLDINGS) LIMITED | Private company limited by shares | Live |
| ACE UNITED CO. LIMITED | Private company limited by shares | Dissolved |
| LINK UNION ASIA GROUP LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL OPTICAL TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live |
| OCEAN UNION MANAGEMENT LIMITED | Private company limited by shares | Live |
| UNION4WORKSHOP LIMITED | Private company limited by shares | Dissolved |
| UNION ALPHA LIMITED | Private company limited by shares | Live |
| UNIVERSALEXPORTS PRO LIMITED | Private company limited by shares | Live |
| WAID UNION CO. LIMITED | Private company limited by shares | Live |
| UNITED SEA LIMITED | Private company limited by shares | Dissolved |
| UNITED MASTER LIMITED | Private company limited by shares | Live |
| UNION KIND INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| ART UNION INVESTMENT LIMITED | Private company limited by shares | Live |
| SUPREME UNION HOLDINGS LIMITED | Private company limited by shares | Live |
| UNITED TM GROUP LIMITED | Private company limited by shares | Live |
| GRAND UNIVERSE LIMITED | Private company limited by shares | Dissolved |
| UNI-CHAMPION HONG KONG LIMITED | Private company limited by shares | Live |
| China Union Building Materials (HK) Company Limited | Private company limited by shares | Dissolved |
| UNI-SOFT SYSTEMS LIMITED | Private company limited by shares | Live |
| UNIWEALTH INTERNATIONAL LIMITED | Private company limited by shares | Live |
| UNION WORLD CAPITAL RESOURCES LIMITED | Private company limited by shares | Dissolved |
| SOUTH UNION ELECTRONICS CO., LIMITED | Private company limited by shares | Live |
| DRAGON UNION INVESTMENT LIMITED | Private company limited by shares | Live |
| HONG KONG UNION ASSOCIATION COMPANY LIMITED | Private company limited by shares | Live Commenced dormancy on 19-Feb-2016 |
| UNION HARVEST MARITIME COMPANY LIMITED | Private company limited by shares | Dissolved |
| GOOD UNION HOLDINGS LIMITED | Private company limited by shares | Live |
| TRUMP UNION INVESTMENT LIMITED | Private company limited by shares | Live |
| UNION MAX INVESTMENT LIMITED | Private company limited by shares | Live |
| UNIQUE WELL INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNITED ASCENT INVESTMENT LIMITED | Private company limited by shares | Live |
| UNITED HONEST INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| CHAMPION UNION INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| PACIFIC UNIVERSAL COMPANY LIMITED | Private company limited by shares | Live |
| SCU SWICREDI UNION LIMITED | Private company limited by shares | Live |
| PAN ASIA UNITED COMPANY LIMITED | Private company limited by shares | Dissolved |
| GRAND UNION INT'L INDUSTRIAL LIMITED | Private company limited by shares | Live |
| GRAND UNION TRADING DEVELOPMENT LIMITED | Private company limited by shares | Live |
| UNION SINCERE INTERNATIONAL LIMITED | Private company limited by shares | Live |
| UNION STRONG INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| MERIT UNION INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SWIFT UNION INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL RICH LIMITED | Private company limited by shares | Live |
| Chinese United Investment Limited | Private company limited by shares | Live |
| UNIFOK TECHNOLOGY LIMITED | Private company limited by shares | Live |
| UNIVERSE INDUSTRIAL GROUP LIMITED | Private company limited by shares | Dissolved |
| RISE UNISON LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL GLORY COMPANY LIMITED | Private company limited by shares | Live |
| GAINWAY UNION LIMITED | Private company limited by shares | Live |
| ART UNION DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |