| Company Name | Type | Status |
|---|---|---|
| PROSON LIMITED | Private company limited by shares | Live |
| PROSON (ASIA) LIMITED | Private company limited by shares | Live |
| PROSON ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| PROSON INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| PROSONET.COM LIMITED | Private company limited by shares | Live |
| Prosong (Hong Kong) Limited | Private company limited by shares | Live |
| PROSONIC LIMITED | Private company limited by shares | Dissolved |
| PROSONIC INVESTMENT LIMITED | Private company limited by shares | Dissolved |