| TOPSEARCH LIMITED | Private company limited by shares | Live |
| TOPSEARCH PRINTED CIRCUITS (HK) LIMITED | Private company limited by shares | Live |
| TOPSEARCH EXCELIO INVESTMENT (HK) LIMITED | Private company limited by shares | Live Ceased dormancy on 22-Sep-2011 |
| TOPSEARCH TECHNOLOGIES INVESTMENT (HOLDINGS) LIMITED | Private company limited by shares | Live |
| TOPSEARCH INDUSTRIES (HOLDINGS) LIMITED | Private company limited by shares | Live |
| Topsearch iService Information Technology (HK) Limited | Private company limited by shares | Dissolved |
| Topsearch iService Investment Limited | Private company limited by shares | Live |
| TOPSEARCH F & P (PROPERTIES) LIMITED | Private company limited by shares | Dissolved |