| HONGKONG UNIFIED INT'L GROUP SHARES CO., LIMITED | Private company limited by shares | Dissolved |
| SOLAR UNION HOLDING LIMITED | Private company limited by shares | Live |
| UNITED WESTERN INVESTORS, LIMITED | Private company limited by shares | Dissolved |
| GLOBAL UNIVERSE GROUP LIMITED | Private company limited by shares | Live |
| UNION CENTURY (HONG KONG) TRADING LIMITED | Private company limited by shares | Live |
| UNITED CHINA LOGISTIC LIMITED | Private company limited by shares | Live |
| W&K UNIVERSAL LIMITED | Private company limited by shares | Live |
| UNI-BRIGHT SHIPPING LIMITED | Private company limited by shares | Dissolved |
| UNIGEM (HK) LIMITED | Private company limited by shares | Dissolved |
| Novaelectri Unipersonal Limited | Private company limited by shares | Dissolved |
| DRAGON UNION LIMITED | Private company limited by shares | Live |
| GREAT UNION INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| NEW UNION (HK) ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL CONSTRUCTION EQUIPMENT&MATERIAL CO., LIMITED | Private company limited by shares | Dissolved |
| TANK UNION LIMITED | Private company limited by shares | Live |
| Unitek Components Limited | Private company limited by shares | Live |
| UP (University Placements) Limited | Private company limited by shares | Dissolved |
| UNIK METAL COMPANY LIMITED | Private company limited by shares | Live |
| UNION ROADWAY LIMITED | Private company limited by shares | Live |
| UNICORP COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNIMEDIA LIMITED | Private company limited by shares | Dissolved |
| WELL UNION GLOBAL LIMITED | Private company limited by shares | Dissolved |
| UNION MIND (HOLDING) LIMITED | Private company limited by shares | Live |
| UNI-CON IMPEX (H.K.) LIMITED | Private company limited by shares | Live |
| EAST SUNRISE UNION SHIPPING CO., LIMITED | Private company limited by shares | Dissolved |
| SILVER UNION GRAINS LIMITED | Private company limited by shares | Dissolved |
| FORTUNE UNION HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| RICH UNION MANAGEMENT ASIA LIMITED | Private company limited by shares | Dissolved |
| Union Apex Mega Shipping Limited | Private company limited by shares | Live |
| UNION ARTS INVESTMENT MANAGEMENT CO., LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL GROUP CERAMICS LIMITED | Private company limited by shares | Live |
| ELEGANT UNION LIMITED | Private company limited by shares | Live |
| UNITED EFFORT LIMITED | Private company limited by shares | Live |
| STAR UNION INDUSTRIES LIMITED | Private company limited by shares | Dissolved |
| WAND UNION (HK) ANIMATION TECHNOLOGY LIMITED | Private company limited by shares | Live |
| UNITY LIFE HONG KONG LIMITED | Private company limited by shares | Dissolved |
| CHINA GOLD UNITED INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| LM United HK Limited | Private company limited by shares | Dissolved |
| UNION SPRING LIMITED | Private company limited by shares | Live |
| UNION WEALTH ENTERPRISES LIMITED | Private company limited by shares | Live |
| UNIQUE METRO LIMITED | Private company limited by shares | Live |
| HongKong Union Development Technological Co., Limited | Private company limited by shares | Live |
| GLOBAL OVERSEA CHINESE UNITED INVESTMENT GROUP LIMITED | Private company limited by shares | Live |
| UNI-HARVEST LIMITED | Private company limited by shares | Live |
| GLORY UNION INVESTMENTS LIMITED | Private company limited by shares | Live |
| UNION CONCORD CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| UNION SEWING MACHINE COMPANY LIMITED | Private company limited by shares | Live |
| BEAUTY UNION GLOBAL LIMITED | Private company limited by shares | Live |
| EAST UNION (GROUP) CO., LIMITED | Private company limited by shares | Live |
| UNION ADVERTISING MEDIA COMPANY LIMITED | Private company limited by shares | Dissolved |
| GRAND UNIVERSAL TRADING COMPANY LIMITED | Private company limited by shares | Live |
| K&A UNI-TECH LIMITED | Private company limited by shares | Live |
| OCEAN UNION WEALTH CREATION LIMITED | Private company limited by shares | Dissolved |
| CHINA ETAO COMMERCIAL UNION HOLDING LIMITED | Private company limited by shares | Live |
| Universal Network Limited | Private company limited by shares | Dissolved |
| GOLDEN UNION IMPORT & EXPORT CO., LIMITED | Private company limited by shares | Live |
| CHINA UNION (HK) DEVELOPMENT COMPANY LIMITED | Private company limited by shares | Live |
| CHINA & GERMANY UNION INVESTMENT [GROUP] LIMITED | Private company limited by shares | Live |
| DIGIPORT UNIVERSAL LIMITED | Private company limited by shares | Dissolved |
| UNION CHEER INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| STAR UNIVERSE LIMITED | Private company limited by shares | Live |
| UNITED BLOOM LIMITED | Private company limited by shares | Live |
| UNION FAIR ENTERPRISES LIMITED | Private company limited by shares | Live |
| HUGE UNION LIMITED | Private company limited by shares | Live |
| SINAFRIKA UNION INTERNATIONAL TRADING LIMITED | Private company limited by shares | Dissolved |
| TOP UNION INTERNATIONAL SERVICES LIMITED | Private company limited by shares | Dissolved |
| Union Sources Logistics Limited | Private company limited by shares | Live |
| UNION KNOPF SPORT ACCESSORIES LIMITED | Private company limited by shares | Live |
| MRDL UNION INT'L CHEMICAL GROUP LIMITED | Private company limited by shares | Live |
| UNION TECHNOLOGY INDUSTRIAL CO., LIMITED | Private company limited by shares | Dissolved |
| BROTHER UNION LIMITED | Private company limited by shares | Live |
| ASOCIACION CLINICA UNION DENTAL EUROPEA LIMITED | Private company limited by shares | Dissolved |
| Grand Glory United Group Limited | Private company limited by shares | Live |
| UNIVERSE COMMUNICATIONS LIMITED | Private company limited by shares | Dissolved |
| MISS BIKINI OF THE UNIVERSE LIMITED | Private company limited by shares | Dissolved |
| UNION-BOX TECHINICAL CO., LIMITED | Private company limited by shares | Dissolved |
| UNION SMART SECRETARIES LIMITED | Private company limited by shares | Live |
| UNIVERSE (ASIA) ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| UNI-SKY LIMITED | Private company limited by shares | Dissolved |
| UNIVISION COMPANY LIMITED | Private company limited by shares | Live |
| STAR UNION GLOBAL LIMITED | Private company limited by shares | Dissolved |
| UNION LEGEND GRAND RICH LIMITED | Private company limited by shares | Dissolved |
| UNION SINO GRAND RICH LIMITED | Private company limited by shares | Live |
| UNION GRAND RICH LIMITED | Private company limited by shares | Dissolved |
| UNION STAR GRAND RICH LIMITED | Private company limited by shares | Dissolved |
| CHINA UNION MEDIA GROUP LIMITED | Private company limited by shares | Dissolved |
| UNION LAND HOLDINGS LIMITED | Private company limited by shares | Live |
| UNION VICTORY INTERNATIONAL LIMITED | Private company limited by shares | Live |
| UNION VENUS CONSULTANTS LIMITED | Private company limited by shares | Live |
| CHINA BUDDHA BUSINESS UNION LIMITED | Private company limited by shares | Live |
| UNION WEALTH MATERIAL (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| DEMOCRATIC UNIFIED FOUNDATION (DUF) LIMITED | Company limited by guarantee | Dissolved |
| RED UNIVERSE LIMITED | Private company limited by shares | Dissolved |
| SHENZHEN UNION SMOOTH TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNITED GLORY ENTERPRISE LIMITED | Private company limited by shares | Live |
| UNITED STATES HANPOLO INTERNATIONAL BRAND CO., LIMITED | Private company limited by shares | Dissolved |
| CROWN UNION DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| UNION BASE CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| UNIONBEST HONG KONG LIMITED | Private company limited by shares | Live |
| SKY UNICORN LIMITED | Private company limited by shares | Live |