| PORTOFINO (C2) LIMITED -THE- | Private company limited by shares | Dissolved |
| C28A Limited | Private company limited by shares | Live |
| C2analytics Company Limited | Private company limited by shares | Live |
| C-2boys Company Limited | Private company limited by shares | Live |
| C2D3 INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| C2HK LIMITED | Private company limited by shares | Dissolved |
| C2iTech Limited | | Live |
| C2iVect Limited | | Live |
| C2MH Group Limited | Private company limited by shares | Live |
| C2NETWORKS LIMITED | Private company limited by shares | Live |
| Co C2RE Pro Limited | Private company limited by shares | Live |
| C2SEC HK Limited | Private company limited by shares | Live |
| C2SPACE LIMITED | Private company limited by shares | Live |
| C2TRADE INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| C2WORKS LIMITED | Private company limited by shares | Live Commenced dormancy on 03-Aug-2006 |
| c2workshop Limited | Private company limited by shares | Live |