| UNION CENTURY SHIPPING LIMITED | Private company limited by shares | Dissolved |
| GENTLE UNION LIMITED | Private company limited by shares | Dissolved |
| EAST UNION INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| CHINA UNION PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| UNION INDEX LIMITED | Private company limited by shares | Dissolved |
| CHOI LEE FAT KUNG-FU INTERNATIONAL UNION LIMITED | Company limited by guarantee | Live |
| EAST UNION INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| LINK UNION LIMITED | Private company limited by shares | Dissolved |
| UNION SHELL PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| EAST UNION DEVELOPMENT LIMITED | Private company limited by shares | Live |
| UNION COMPUTER BAR CODE PRINTING COMPANY LIMITED -THE- | Private company limited by shares | Dissolved |
| UNION CAMP HONG KONG LIMITED | Private company limited by shares | Dissolved |
| UNION GARMENT MANUFACTURING COMPANY LIMITED | Private company limited by shares | Dissolved |
| WELL UNION INDUSTRIAL (H.K.) LIMITED | Private company limited by shares | Dissolved |
| NEW UNION PAPER BOXES & PRINTING COMPANY LIMITED | Private company limited by shares | Dissolved |
| UPWARD (UNION) TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNION DECORATION ENGINEERING CO., LIMITED | Private company limited by shares | Dissolved |
| UNION WAY POWER SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| UNION TECH COMPUTER COMPANY LIMITED | Private company limited by shares | Live |
| UNION INTERNATIONAL ENTERPRISES LIMITED | Private company limited by shares | Live |
| UNION FORD INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| WISE UNION HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| INTERNATIONAL UNION OF PROFESSIONAL DEVELOPMENT INSTITUTIONS LIMITED | Private company limited by shares | Live Ceased dormancy on 09-Apr-2009 |
| UNION FORTUNE (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| KEY UNION INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| STANDARD UNION REALTY COMPANY LIMITED | Private company limited by shares | Dissolved |
| MULTI UNION INDUSTRIAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| REGENT UNION LIMITED | Private company limited by shares | Dissolved |
| UNION ALPHA TRADING LIMITED | Private company limited by shares | Dissolved |
| SPECIAL UNION DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| UNION PHARMACEUTICAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNION FOCUS (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| UNION WIN HOLDINGS LIMITED | Private company limited by shares | Live |
| UNION COSMOS PACIFIC LIMITED | Private company limited by shares | Dissolved |
| UNION & UNION LIMITED | Private company limited by shares | Dissolved |
| UNION FAR EAST LIMITED | Private company limited by shares | Dissolved |
| UNION PERFECT (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| TOP UNION LIMITED | Private company limited by shares | Live |
| GALAXY UNION ENTERPRISES (H.K.) LIMITED | Private company limited by shares | Dissolved |
| UNION MATCH TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| EAGLE UNION LIMITED | Private company limited by shares | Dissolved |
| DRAGON UNION DEVELOPMENT LIMITED | Private company limited by shares | Live |
| UNION IDEA LIMITED | Private company limited by shares | Dissolved |
| GLORY UNION INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| CROWN UNION FOOD & BEVERAGE MANAGEMENT LIMITED | Private company limited by shares | Dissolved |
| UNION QUEEN DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| GREAT UNION INTERNATIONAL INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNION HERO ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| UNION SINO INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| PORT UNION INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| HILL UNION (HOLDINGS) LIMITED | Private company limited by shares | Dissolved |
| LUCKY UNION HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| SUPER UNION HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| FIRST UNION TRADING LIMITED | Private company limited by shares | Live |
| UNION CHARTER DEVELOPMENT LIMITED | Private company limited by shares | Live |
| UNION CHARTER INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNION GOLD INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNION GOLD DEVELOPMENT LIMITED | Private company limited by shares | Live |
| UNION GOLD TRADING LIMITED | Private company limited by shares | Dissolved |
| UNION KING PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| UNION POWER PROPERTY MANAGEMENT LIMITED | Private company limited by shares | Dissolved |
| CONSOLIDATION UNION COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNION MANAGEMENT SERVICES LIMITED | Private company limited by shares | Dissolved |
| UNION POWER ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| UNION CHARM TRADING LIMITED | Private company limited by shares | Dissolved |
| UNION TECH SYSTEM LIMITED | Private company limited by shares | Dissolved |
| NEW CENTURY UNION LIMITED | Private company limited by shares | Dissolved |
| CONCORD UNION INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| ASIAN UNION INTERNATIONAL LIMITED | Private company limited by shares | Live |
| ASIAN UNION TRADING LIMITED | Private company limited by shares | Dissolved |
| UNION FAIR (HONG KONG) LIMITED | Private company limited by shares | Live |
| UNION FASHIONS LIMITED | Private company limited by shares | Dissolved |
| TAI DOU (UNION) CONSTRUCTION COMPANY LIMITED | Private company limited by shares | Dissolved |
| CENTURY UNION INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| CHARTER UNION ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| SUPERB UNION LIMITED | Private company limited by shares | Dissolved |
| UNION PROJECT LIMITED | Private company limited by shares | Dissolved |
| UNION LINK INTERNATIONAL TRADING LIMITED | Private company limited by shares | Dissolved |
| SAN UNION TRADING LIMITED | Private company limited by shares | Dissolved |
| UNION WORLD ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| UNION SHEEN (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| UNION GOAL INVESTMENTS LIMITED | Private company limited by shares | Live |
| UNION TARGET INTERNATIONAL CARGO LIMITED | Private company limited by shares | Dissolved |
| UNION HONEST DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| UNION LOTUS LIMITED | Private company limited by shares | Dissolved |
| UNION ESTATES LIMITED | Private company limited by shares | Live Ceased dormancy on 12-May-1999 |
| UNION TRADE (CHINA) GARMENT MFG. LIMITED | Private company limited by shares | Dissolved |
| GUANG UNION FABRIC COMPANY LIMITED | Private company limited by shares | Dissolved |
| JET UNION INTERNATIONAL INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| UNION KING HOLDINGS LIMITED | Private company limited by shares | Live |
| UNION AIM INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNION TREND LIMITED | Private company limited by shares | Dissolved |
| UNION ACT LIMITED | Private company limited by shares | Dissolved |
| UNION (TSUN YIP) TRANSPORTATION COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNION FOCUS TRADING LIMITED | Private company limited by shares | Dissolved |
| UNION KING TRADING LIMITED | Private company limited by shares | Dissolved |
| UNION WISE CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| LONG UNION LIMITED | Private company limited by shares | Dissolved |
| UNION CAPITAL INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNION TREND INVESTMENT LIMITED | Private company limited by shares | Dissolved |