| BESTUDIES LIMITED | Private company limited by shares | Live Commenced dormancy on 02-Mar-2015 |
| BESTUM LIMITED | Private company limited by shares | Live |
| HK Bestun Technology Limited | Private company limited by shares | Live |
| BESTUNIQUE TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| BESTUNIT INTERNATIONAL LIMITED | Private company limited by shares | Live |
| Bestuo Technology (Hong Kong) Co., Limited | Private company limited by shares | Live |
| BESTUO TRADING LIMITED | Private company limited by shares | Live |
| BESTUP LIMITED | Private company limited by shares | Dissolved |
| BESTURN LIMITED | Private company limited by shares | Dissolved |
| BESTURN TECHNOLOGY (HK) CO., LIMITED | Private company limited by shares | Live |
| BESTURN IMPORT AND EXPORT CO., LIMITED | Private company limited by shares | Live |
| BESTURN INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| BESTURN INTERNATIONAL LIMITED | Private company limited by shares | Live |
| Besturn Trading Limited | | Live |
| BESTUS Limited | | Live |
| HK BESTUTORS LIMITED | Private company limited by shares | Live |