| UNION_C BUSINESS SYSTEM COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNIONCALL LIMITED | Private company limited by shares | Dissolved |
| UNIONCHARM INDUSTRIES LIMITED | Private company limited by shares | Live |
| UNIONCHEM LIMITED | Private company limited by shares | Live |
| UNIONCHINA ELECTRONICS (HK) CO., LIMITED | Private company limited by shares | Dissolved |
| UnionChina International Management Institute Limited | Private company limited by shares | Live |
| HONG KONG UNION-CITY INVESTMENT GROUP LIMITED | Private company limited by shares | Live |
| Unioncity Property Co., Limited | Private company limited by shares | Live |
| UNIONCLEAR INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| MUSIC UNION.COM LIMITED | Private company limited by shares | Live |
| UNIONCOMM INTERNATIONAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNIONCONN CO., LIMITED | Private company limited by shares | Live |
| UNIONCORE ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| UNIONCORP LIMITED | Private company limited by shares | Dissolved |
| UNIONCORP LIMITED | Private company limited by shares | Live |
| UNIONCORP ASIA LIMITED | Private company limited by shares | Dissolved |
| UNIONCORP DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| UNIONCORP DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| UNIONCORP DEVELOPMENT LIMITED | Private company limited by shares | Live |
| UNIONCOVER COMPANY LIMITED | Private company limited by shares | Live |