| PROBESCAN LIMITED | Private company limited by shares | Live |
| ProbeSound Co., Limited | Private company limited by shares | Live |
| PROBEST COMPANY LIMITED | Private company limited by shares | Live |
| PROBEST CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| PROBEST DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| PRO-BEST DEVELOPMENT CO., LIMITED | Private company limited by shares | Dissolved |
| PROBEST ELITE LIMITED | Private company limited by shares | Live |
| HK PRO-BEST GROUP LIMITED | Private company limited by shares | Live |
| PROBEST HOLDINGS LIMITED | Private company limited by shares | Live |
| PROBEST INDUSTRY LIMITED | | Live |
| PROBEST INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| PROBEST INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| PROBEST INVESTMENT LIMITED | Private company limited by shares | Live |
| PROBEST INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| PRO-BEST POLYBAG MANUFACTURING & PACKAGING LIMITED | Private company limited by shares | Live |
| PROBEST RESOURCES LIMITED | Private company limited by shares | Live |
| PROBEST SOFT LIMITED | Private company limited by shares | Live |
| AUSTRALIAN SUPPLIES PROBEST LIMITED | Private company limited by shares | Dissolved |
| EU TECHNOLOGY PROBEST LIMITED | Private company limited by shares | Live |
| Probest Wireless Technology Limited | Private company limited by shares | Live |