| UNIA LIMITED | Private company limited by shares | Dissolved |
| UNI-ABLE LIMITED | Private company limited by shares | Live |
| Uniaccess Limited | Private company limited by shares | Live |
| UNI-ACE COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNI-ACE LIMITED | Private company limited by shares | Dissolved |
| UniACE 1 Limited | | Live |
| UNI-ACE MARITIME LIMITED | Private company limited by shares | Dissolved |
| UNI-AD ADVERTISING, LIMITED | Private company limited by shares | Dissolved |
| UNIAFRICO (H. K.) LIMITED | Private company limited by shares | Dissolved |
| UNIAGRO ASIA LIMITED | Private company limited by shares | Dissolved |
| UNIAI LIMITED | | Live |
| UNI-AIMS LIMITED | Private company limited by shares | Dissolved |
| UNIAIR TECH CO., LIMITED | Private company limited by shares | Live |
| UNI-AIRE (H.K.) LIMITED | Private company limited by shares | Dissolved |
| Uni-All (Hongkong) Co., Limited | Private company limited by shares | Live |
| Uniall International Limited | Private company limited by shares | Live |
| UNIALL TRADING INTERNATIONAL LIMITED | Private company limited by shares | Live |
| UNI-ALLIANCE LIMITED | Private company limited by shares | Live |
| UNIALLTRANS INTERNATIONAL DEVELOPMENT LIMITED | Private company limited by shares | Live |
| UNI-ALPHA FUTURES LIMITED | Private company limited by shares | Dissolved |
| UNI-ALPHA MANAGEMENT COMPANY LIMITED | Private company limited by shares | Live |
| UNI-AM COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNIAMCO & COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNIANCHOR LIMITED | Private company limited by shares | Dissolved |
| UNI-APEX LIMITED | Private company limited by shares | Dissolved |
| UNI-APEX (HK) CO., LIMITED | Private company limited by shares | Live |
| UNI-APEX ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| UNI-APEX INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| UniApply China Limited | Private company limited by shares | Live |
| Uni-arb Consultancy Limited | Private company limited by shares | Live |
| UNI-ART COMPANY LIMITED | Private company limited by shares | Live |
| UNIART INC LIMITED | Private company limited by shares | Dissolved |
| UNI-ASCENT LIMITED | Private company limited by shares | Dissolved |
| UNIASIA COMPANY LIMITED | Private company limited by shares | Dissolved |
| UniAsset Limited | | Live |
| Uni-Audio Limited | Private company limited by shares | Live |
| UNIAUST COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNIAUST LIMITED | Private company limited by shares | Dissolved |
| UNIAUST DIAMOND COMPANY LIMITED | Private company limited by shares | Live |
| UNIAUTO LIMITED | Private company limited by shares | Dissolved |
| UniAvionics Science & Technology Co., Limited | Private company limited by shares | Dissolved |