| Wien Ovo Group Limited | Private company limited by shares | Live |
| WIEN TIME-PRODUCTS (H.K.) LIMITED | Private company limited by shares | Dissolved |
| Hong Kong Wien Limited | Private company limited by shares | Live |
| WIEN INTERNATIONAL HONG KONG LIMITED | Private company limited by shares | Dissolved |
| WIEN TECHNOLOGY (HK) CO., LIMITED | | Live |
| Wiener Cyberintel Co., Limited | Private company limited by shares | Live |
| Wiener Klang Limited | Private company limited by shares | Dissolved |
| Wiener Music Limited | Private company limited by shares | Live |
| Wienzon Investment Limited | Private company limited by shares | Live |