| NANJING UNION CHEMICAL INDUSTRY CO., LIMITED | Private company limited by shares | Live |
| UNIWELL INTERNATIONAL HOLDING LIMITED | Private company limited by shares | Dissolved |
| CHINA EMERGENCY RELIEF CENTRE UNION LIMITED | Private company limited by shares | Live |
| UNITED TRADING GROUP FOR IMPORT & EXPORT CO., LIMITED | Private company limited by shares | Live |
| World Contemporary Ink Artists Union Limited | Private company limited by shares | Live |
| SINO UNION MINING INVESTMENT HOLDING LIMITED | Private company limited by shares | Live |
| LONTEC UNION INTERNATIONAL CO., LIMITED | Private company limited by shares | Dissolved |
| UNILINE TRADING LIMITED | Private company limited by shares | Live |
| Credit Union Investment Shares Limited | Private company limited by shares | Dissolved |
| CROWN UNION HOLDINGS LIMITED | Private company limited by shares | Live |
| H & C UNION INDUSTRY CO., LIMITED | Private company limited by shares | Live |
| UNIVERSE INTERNATIONAL INC. LIMITED | Private company limited by shares | Dissolved |
| China Health Industry Union Limited | Private company limited by shares | Live |
| FULL UNION CONSULTANTS LIMITED | Private company limited by shares | Live |
| UNION DYNASTY DEVELOPMENT LIMITED | Private company limited by shares | Live |
| GROUP UNION LIMITED | Private company limited by shares | Live |
| FAR UNION INVESTMENT LIMITED | Private company limited by shares | Live |
| ID OWN UNIQUE SPIRIT LIMITED | Private company limited by shares | Live Commenced dormancy on 23-Oct-2014 |
| UNIVERSAL CHAMP LIMITED | Private company limited by shares | Live |
| New Union Environmental Recycling & Trading Co., Limited | Private company limited by shares | Dissolved |
| Universal Biometrics Limited | Private company limited by shares | Dissolved |
| HONGKONG WORLD UNION GROUP LIMITED | Private company limited by shares | Live |
| United Asia General Trading Holding Co., Limited | Private company limited by shares | Live |
| POWER UNION (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| ZHI ZUN INTERNATIONAL UNION LIMITED | Private company limited by shares | Live |
| FRAT UNION IMPORT & EXPORT CO., LIMITED | Private company limited by shares | Dissolved |
| UNION GROUP TRADING (GZ) CO., LIMITED | Private company limited by shares | Dissolved |
| UNION FAITH DEVELOPMENT LIMITED | Private company limited by shares | Live |
| United Care Company Limited | Private company limited by shares | Live |
| UNION-STARS TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| UNIVERSE TRADING BUSINESS COMPANY LIMITED | Private company limited by shares | Dissolved |
| LINK UNION ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| CAPITAL UNION INTERNATIONAL LIMITED | Private company limited by shares | Live |
| UNION QUEEN LIMITED | Private company limited by shares | Live |
| CHINA MAGNESIUM INDUSTRY UNION LIMITED | Private company limited by shares | Live |
| UNIMARK INVESTMENT LIMITED | Private company limited by shares | Live |
| UNION SHINE INVESTMENT LIMITED | Private company limited by shares | Live |
| UNION SINORISE PRIME INC. LIMITED | Private company limited by shares | Live |
| Union Zone Auto Aircon Limited | Private company limited by shares | Live |
| UNION BEST TECHNOLOGY DEVELOPMENT LIMITED | Private company limited by shares | Live |
| UNIGLOBAL TECHNOLOGY LIMITED | Private company limited by shares | Live |
| GOLDEN UNION MANAGEMENT LIMITED | Private company limited by shares | Live |
| UNISON UNIVERSAL LIMITED | Private company limited by shares | Live |
| GLOVE UNION INTERNATIONAL LIMITED | Private company limited by shares | Live |
| CHINA INVESTMENT UNIVERSAL LIMITED | Private company limited by shares | Live |
| HANDMADE UNION COMPANY LIMITED | Private company limited by shares | Dissolved |
| World Union Industrial Co., Limited | Private company limited by shares | Dissolved |
| WORLD WOMEN HARMONY UNION MEETING LIMITED | Private company limited by shares | Dissolved |
| Freeman Unitas Investments Limited | Private company limited by shares | Live |
| FIRST BROTHER UNION LIMITED | Private company limited by shares | Dissolved |
| NINGBO UNITED IMP AND EXP LIMITED | Private company limited by shares | Live |
| UNION MINI-ELEKTRO CO., LIMITED | Private company limited by shares | Live |
| SAFE UNIVERSAL INDUSTRY CO., LIMITED | Private company limited by shares | Live |
| EMIC Culture Union Limited | Private company limited by shares | Live |
| PAN UNION TRADING INTERNATIONAL LIMITED | Private company limited by shares | Live |
| UNITEAM CHINA LIMITED | Private company limited by shares | Live |
| UNION WORLD TEXTILE COMPANY LIMITED | Private company limited by shares | Live |
| UNIVERSE INTERNATIONAL HEADQUARTERS LIMITED | Private company limited by shares | Live |
| SINO UNION (H.K.) LIMITED | Private company limited by shares | Live |
| HONG KONG EXCELLENCE UNION COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNIMART ENTERPRISES LIMITED | Private company limited by shares | Live |
| ASIA UNION TECHNOLOGY LIMITED | Private company limited by shares | Live |
| UNION SUCCESS PROPERTIES LIMITED | Private company limited by shares | Live |
| UNION PROFIT INTERNATIONAL PROPERTIES LIMITED | Private company limited by shares | Live |
| UNION PETROLEUM GROUP LIMITED | Private company limited by shares | Dissolved |
| HONGKONG UNION ELECTRONICS TECHNOLOGY CORPORATION LIMITED | Private company limited by shares | Live |
| UNION MINING (HK) GROUP COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNISON CREATIVE LIMITED | Private company limited by shares | Live |
| UNIVERSAL INVESTMENT COMPANY LIMITED | Private company limited by shares | Live |
| UNION FIDELITY LIMITED | Private company limited by shares | Dissolved |
| STA UNIVERSE GROUP CO., LIMITED | Private company limited by shares | Live |
| UNIONPOWER INDUSTRY CO., LIMITED | Private company limited by shares | Dissolved |
| UNION LOYALTY INTERNATIONAL TRADING LIMITED | Private company limited by shares | Live |
| UNION SHIPPING SERVICE (HK) LIMITED | Private company limited by shares | Dissolved |
| CHINA UNITED INTERNATIONAL INVESTMENT DECISION GROUP CO., LIMITED | Private company limited by shares | Live |
| CHINA UNIVERSAL ASIA LIMITED | Private company limited by shares | Live |
| CHINESE COMMUNITY UNION DEVELOPMENT CO., LIMITED | Private company limited by shares | Dissolved |
| UNIPUMP LIMITED | Private company limited by shares | Live |
| HK WISDOM UNION INTERNATIONAL GROUP LIMITED | Private company limited by shares | Live |
| UNION CHEMICAL (CHINA) CORPORATION LIMITED | Private company limited by shares | Live |
| HONGKONG UNION SECURITY INDUSTRY CORPORATION LIMITED | Private company limited by shares | Live |
| UNION PLASTICS INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| UNIQUE TRUTH BUSINESS COMPANY LIMITED -THE- | Private company limited by shares | Live |
| UNION CAPITAL GROUP (HONG KONG) LIMITED | Private company limited by shares | Live |
| UNION SKY DEVELOPMENT LIMITED | Private company limited by shares | Live |
| STAR UNION DEVELOPMENT LIMITED | Private company limited by shares | Live |
| PACIFIC UNION INTERNATIONAL TRADING LIMITED | Private company limited by shares | Live |
| UNION ART PRODUCTION COMPANY LIMITED | Private company limited by shares | Live |
| CHIEF UNION INVESTMENTS LIMITED | Private company limited by shares | Live |
| Zhong Mei United Int'l Monetary Investment Group Limited | Private company limited by shares | Live |
| China Union Aluminum Pro. Company Limited | Private company limited by shares | Dissolved |
| UNION LINK ENGINEERING CONSTRUCTION LIMITED | Private company limited by shares | Live |
| Galaxy Union Intl Limited | Private company limited by shares | Live |
| UNIVERSAL ASIA HOLDING LIMITED | Private company limited by shares | Dissolved |
| WORLD NEW RURAL UNION LIMITED | Private company limited by shares | Dissolved |
| CHINA UNIVERSE INTERNATIONAL COMPANY LIMITED | Private company limited by shares | Live |
| Unicap Limited | Private company limited by shares | Live |
| Universal Hotel Group Holding Limited | Private company limited by shares | Dissolved |
| BEST UNISON INVESTMENT LIMITED | Private company limited by shares | Live |
| CHINA UNION FINANCIAL HOLDINGS LIMITED | Private company limited by shares | Dissolved |