| BICO LIMITED | Private company limited by shares | Dissolved |
| BICO Asia Limited | Private company limited by shares | Live |
| bico trip (HK) co., Limited | Private company limited by shares | Live |
| BICO COMPUTER SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| HK BICO International Group (Textile Ecological Products) Limited | Private company limited by shares | Live |
| BICO INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| BICO NETWORK LIMITED | | Live |
| BICO PRECISION LIMITED | Private company limited by shares | Live |
| ROZAN BICO INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| BICO TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| BICO GREEN TRADING LIMITED | Private company limited by shares | Live |
| BICOCHINA LIMITED | Private company limited by shares | Live |
| BICOIL SERVICES LIMITED | Private company limited by shares | Dissolved |
| BICOME LIMITED | Private company limited by shares | Dissolved |
| BICON ASIA LIMITED | Private company limited by shares | Live |
| BICON (DI) LIMITED | Private company limited by shares | Dissolved |
| Bi-Concept Design Limited | Private company limited by shares | Live |
| Biconic Limited | | Live |
| BiCo-operate(HK) Engineering Company Limited | Private company limited by shares | Live |
| BICORA LIMITED | Private company limited by shares | Live |
| BICORN LIMITED | Private company limited by shares | Live |
| Bicorp Estate Limited | | Live |
| BICOS TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |