| BESTAC TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| BESTAC (H.K.) LIMITED | Private company limited by shares | Dissolved |
| BESTACE COMPANY LIMITED | Private company limited by shares | Dissolved |
| BESTACE CORPORATION LIMITED | Private company limited by shares | Dissolved |
| BESTACE ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| BESTACE INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| NEW BESTACK LIMITED | Private company limited by shares | Live |
| BESTACT COMPANY LIMITED | Private company limited by shares | Dissolved |
| BESTACT INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| BESTACT INTERNATIONAL TRADE CO., LIMITED | Private company limited by shares | Dissolved |