| UniD Limited | Private company limited by shares | Live |
| UNIDAC (FAR EAST) LIMITED | Private company limited by shares | Dissolved |
| UNIDAK COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNIDAK METALLIC COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNI-DAS COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNIDATA LIMITED | Private company limited by shares | Dissolved |
| UNIDATA LIMITED | | Live |
| Unidata Holding Limited | Private company limited by shares | Live |
| PACIFIC UNIDATA LIMITED | Private company limited by shares | Dissolved |
| UNIDAX INVESTMENT LIMITED | Private company limited by shares | Live |
| Hong Kong UniDC Trading Co., Limited | Private company limited by shares | Live |
| Unidea Limited | Private company limited by shares | Live |
| UNIDEC CAD-CAM LIMITED | Private company limited by shares | Dissolved |
| UNIDEC ENTERPRISES COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNIDEC SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| UNIDECISION LIMITED | Private company limited by shares | Live |
| UNIDEN ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| UNIDEN ELECTRONIC COMPONENTS HONG KONG LIMITED | Private company limited by shares | Dissolved |
| UNIDEN HONG KONG LIMITED | Private company limited by shares | Live |
| UNIDEN INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| UNIDESIGN LIMITED | Private company limited by shares | Dissolved |
| UNIDESIGN INTERNATIONAL CO., LIMITED | Private company limited by shares | Dissolved |
| UNIDESIGN FAREAST LIMITED | Private company limited by shares | Live |
| UNI-DESIGN HONG KONG LIMITED | Private company limited by shares | Live |
| UNI-DEV HK LIMITED | Private company limited by shares | Live |
| UNIDEX LIMITED | Private company limited by shares | Live |
| UNIDIAM LIMITED | Private company limited by shares | Dissolved |
| UNIDIGI COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNIDIGIT TECHNOLOGY CO., LIMITED | Private company limited by shares | Dissolved |
| UniDigital Limited | Private company limited by shares | Live |
| UniDirect Company Limited | Private company limited by shares | Live |
| UNIDIS FOOD INTERNATIONAL LIMITED | Private company limited by shares | Live |
| UNIDIS INVESTMENTS LIMITED | Private company limited by shares | Live |
| UNIDISC LIMITED | Private company limited by shares | Dissolved |
| UNIDM LIMITED | Private company limited by shares | Live |
| UNIDO LIMITED | Private company limited by shares | Dissolved |
| Unidom International Limited | Private company limited by shares | Live |
| Unidom Trade Limited | Private company limited by shares | Live |
| UNIDOME HONG KONG LIMITED | Private company limited by shares | Dissolved |
| UNIDON LIMITED | Private company limited by shares | Dissolved |
| UNIDONGBO TRADING LIMITED | Private company limited by shares | Live |
| UNIDOOR (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| UNIDOOR INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| Unidos Limited | Private company limited by shares | Dissolved |
| UNI-DRAGON LIMITED | Private company limited by shares | Dissolved |
| UNIDRAGON COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNIDRAGON LIMITED | Private company limited by shares | Dissolved |
| UNI-DRAGON HONG KONG LIMITED | Private company limited by shares | Dissolved |
| UNI-DRAGON INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| UNI-DRAGON TECHNOLOGY LIMITED | Private company limited by shares | Live |
| UNIDRAY COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNIDRIVE LIMITED | Private company limited by shares | Dissolved |
| UNI-DUTY INVESTMENTS LIMITED | Private company limited by shares | Dissolved |