| COTI LIMITED | Private company limited by shares | Dissolved |
| COTIK LIMITED | Private company limited by shares | Dissolved |
| COTILLION, LIMITED | Private company limited by shares | Dissolved |
| COTIM PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| CO-TIME LIMITED | Private company limited by shares | Dissolved |
| COTINUS LIMITED | Private company limited by shares | Dissolved |
| COTION LIMITED | Private company limited by shares | Dissolved |
| COTISH ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| COTISHALL MANUFACTURING LIMITED | Private company limited by shares | Dissolved |
| Cotizen Limited | Private company limited by shares | Live |