| COBI COMPANY LIMITED | Private company limited by shares | Dissolved |
| Cobi Limited | Private company limited by shares | Live |
| COBIAN LIMITED | Private company limited by shares | Dissolved |
| COBICO ASIA LIMITED | Private company limited by shares | Live |
| COBICO INTERNATIONAL RESOURCES LIMITED | Private company limited by shares | Dissolved |
| COBIE COMPANY LIMITED | Private company limited by shares | Live |
| CO-BILLION LIMITED | Private company limited by shares | Dissolved |
| CO-BILLION LIMITED | Private company limited by shares | Live |
| CO-BILLION INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| CO-BILLION INVESTMENT LIMITED | Private company limited by shares | Live |
| COBIN LIMITED | Private company limited by shares | Dissolved |
| COBINS CO., LIMITED | Private company limited by shares | Live |
| CO-BIO TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live |
| Cobistore Limited | Private company limited by shares | Live |
| Cobite HK Limited | Private company limited by shares | Live |
| COBITRON CO., LIMITED | Private company limited by shares | Dissolved |
| COBIX COMPANY LIMITED | Private company limited by shares | Dissolved |