| UNIQUE HERO LIMITED | Private company limited by shares | Dissolved |
| CROWN UNIVERSAL LIMITED | Private company limited by shares | Live |
| NEW UNITY LIMITED | Private company limited by shares | Dissolved |
| ORIENT UNION LIMITED | Private company limited by shares | Dissolved |
| EAST UNION LIMITED | Private company limited by shares | Live |
| CAPITAL UNION LIMITED | Private company limited by shares | Dissolved |
| UNION GRAND INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| UNITED TARGET LIMITED | Private company limited by shares | Live |
| FAST EXPRESS UNION COMPANY LIMITED | Private company limited by shares | Live |
| UNIQUE GLORY INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| TOP UNION CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| POWER UNION CORPORATION LIMITED | Private company limited by shares | Dissolved |
| UNION BRIDGE CORPORATION LIMITED | Private company limited by shares | Dissolved |
| UNITED HOWA LIMITED | Private company limited by shares | Dissolved |
| UNION TIME CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| TDS UNIVERSAL LIMITED | Private company limited by shares | Dissolved |
| MIN'S UNIVERSAL HOLDING LIMITED | Private company limited by shares | Dissolved |
| UNITED TIME (ASIA) LIMITED | Private company limited by shares | Live |
| STAR UNION ENGINEERING LIMITED | Private company limited by shares | Live |
| JOVIL UNIVERSAL HK LIMITED | Private company limited by shares | Live |
| HONGKONG UNION (ASIA) LIMITED | Private company limited by shares | Live |
| UNION BUSY LIMITED | Private company limited by shares | Live |
| UNITREND LIMITED | Private company limited by shares | Dissolved |
| JB UNIMIGHT LIMITED | Private company limited by shares | Dissolved |
| CHARTER UNION CONSULTANTS LIMITED | Private company limited by shares | Live |
| UNIWELL INVESTMENT (HK) LIMITED | Private company limited by shares | Live |
| UNION FORTUNE INTERNATIONAL LIMITED | Private company limited by shares | Live |
| UNION MEDICA LIMITED | Private company limited by shares | Dissolved |
| UNION TRADING TRANSPORT LIMITED | Private company limited by shares | Dissolved |
| STAND UNION LIMITED | Private company limited by shares | Dissolved |
| SMART UNION PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| POWER UNION DEVELOPMENT LIMITED | Private company limited by shares | Live |
| STAR UNION INVESTMENTS (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| SAM WOO UNIVERSAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNITECH MANAGEMENT LIMITED | Private company limited by shares | Live |
| CHINA UNION DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| MULTI UNION (HK) LIMITED | Private company limited by shares | Dissolved |
| UNION WAY FAR EAST LIMITED | Private company limited by shares | Dissolved |
| UNICOM CONNECT LIMITED | Private company limited by shares | Dissolved |
| UNION SENSE HOLDINGS LIMITED | Private company limited by shares | Live |
| INTERNATIONAL ACCOUNTANCY STUDIES UNION LIMITED | Private company limited by shares | Dissolved |
| SUNNY UNITY LIMITED | Private company limited by shares | Dissolved |
| CMC UNION COMPANY LIMITED | Private company limited by shares | Live |
| UNI-CONCEPT (CHINA) LIMITED | Private company limited by shares | Live |
| TRUMP UNIVERSAL LIMITED | Private company limited by shares | Live |
| UNIVERSE INTERNATIONAL INDUSTRIAL LIMITED | Private company limited by shares | Live |
| UNION PEARL INVESTMENT LIMITED | Private company limited by shares | Live |
| UNION FORD INTERNATIONAL LIMITED | Private company limited by shares | Live |
| SUN UNION ENTERPRISES LIMITED | Private company limited by shares | Live |
| UNION INTERNATIONAL ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| UNITY OUTDOOR LIMITED | Private company limited by shares | Live |
| UNION LINK TECHNOLOGY LIMITED | Private company limited by shares | Live |
| UNION BAY LIMITED | Private company limited by shares | Dissolved |
| UNITED FIRST TRADING LIMITED | Private company limited by shares | Live |
| EAST UNION INVESTMENTS LIMITED | Private company limited by shares | Live |
| UNION STAR TECHNOLOGY LIMITED | Private company limited by shares | Live |
| UNIQUE GEAR LIMITED | Private company limited by shares | Live |
| UNICORNS CO., LIMITED | Private company limited by shares | Dissolved |
| UNION STAR GIFTS & CRAFTS COMPANY LIMITED | Private company limited by shares | Live |
| GREAT UNION INT'L (HK) LIMITED | Private company limited by shares | Dissolved |
| UNION BRIGHT GARMENT LIMITED | Private company limited by shares | Dissolved |
| UNION TEXTILES WEAVING FACTORY LIMITED | Private company limited by shares | Live |
| UNITED TOTEM (HOLDING) LIMITED | Private company limited by shares | Live |
| UNION SUCCESS (HONG KONG) LIMITED | Private company limited by shares | Live |
| UNION CITY INTERNATIONAL INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNION INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| CAPITAL UNION (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| UNION REGENT DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| UNITED WIN INVESTMENT LIMITED | Private company limited by shares | Live |
| UNION SMART MANAGEMENT CONSULTANTS LIMITED | Private company limited by shares | Live |
| MAX UNION TRADING LIMITED | Private company limited by shares | Live |
| VIEW UNION LIMITED | Private company limited by shares | Dissolved |
| CHINA UNION LOGISTICS CO., LIMITED | Private company limited by shares | Dissolved |
| UNION FORTUNE TRADING LIMITED | Private company limited by shares | Dissolved |
| UNION PLASTIC CO. LIMITED | Private company limited by shares | Dissolved |
| LUCK UNION LIMITED | Private company limited by shares | Dissolved |
| JOINT UNION CORPORATION LIMITED | Private company limited by shares | Live |
| UNIMATRIX SUSTAINABLE FABRICS LIMITED | Private company limited by shares | Dissolved |
| UNION LINK INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| OCEAN UNION INTERNATIONAL TRADING LIMITED | Private company limited by shares | Dissolved |
| UNION BRIGHTER LIMITED | Private company limited by shares | Live |
| UNITED OCEAN LIMITED | Private company limited by shares | Live |
| UNION HOPE ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| GRAND UNITED INVESTMENT LIMITED | Private company limited by shares | Live |
| UNION EASE INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNION WISE INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNION LUXE INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| Unity SPS Limited | Private company limited by shares | Live |
| UNIVERSAL DRAGON STAR LIMITED | Private company limited by shares | Live |
| UNION INTERNATIONAL GIFT CO., LIMITED | Private company limited by shares | Live |
| UNION SENIOR HEADING (H.K) HOLDING LIMITED | Private company limited by shares | Dissolved |
| UNIREGENT INVESTMENTS LIMITED | Private company limited by shares | Live |
| OCEAN UNION HOLDINGS LIMITED | Private company limited by shares | Live |
| UNION WORLD HOLDINGS LIMITED | Private company limited by shares | Live |
| GOLDEN UNION EXCHANGE LIMITED | Private company limited by shares | Dissolved |
| UNITEM LIMITED | Private company limited by shares | Dissolved |
| CITY UNION INTERNATIONAL (HK) LIMITED | Private company limited by shares | Dissolved |
| UNITY TECHNOLOGY LIMITED | Private company limited by shares | Live |
| JOINT UNION INVESTMENT LIMITED | Private company limited by shares | Live |
| UNIWOLL ELECTRONIC LIMITED | Private company limited by shares | Dissolved |