| CELLO LIMITED | Private company limited by shares | Dissolved |
| CelloCall Limited | Private company limited by shares | Live |
| CELLON HONG KONG LIMITED | Private company limited by shares | Dissolved |
| Cellon Communications Technology (Hongkong) Limited | Private company limited by shares | Live |
| CELLONTIK LIMITED | Private company limited by shares | Dissolved |
| Cellopoint System Limited | Private company limited by shares | Live |
| CELLOPTIMA COMPANY LIMITED | Private company limited by shares | Live Commenced dormancy on 17-Apr-2009 |
| CELLOSOPHY LIMITED | Private company limited by shares | Live |
| CELLOTEC LIMITED | Private company limited by shares | Dissolved |
| CELLOVE LIMITED | Private company limited by shares | Dissolved |
| Cellox Limited | Private company limited by shares | Live |