| Corem Limited | Private company limited by shares | Live |
| Coremail Hong Kong Company Limited | Private company limited by shares | Live |
| CORE-MAIN INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| COREMATE LIMITED | Private company limited by shares | Dissolved |
| COREMATE LIMITED | Private company limited by shares | Live |
| COREMAX LIMITED | Private company limited by shares | Dissolved |
| COREMAX CO., LIMITED | Private company limited by shares | Dissolved |
| Core-Max Global Holding Limited | Private company limited by shares | Dissolved |
| COREMAX GROUP (HONG KONG) LIMITED | Private company limited by shares | Live |
| COREMAX INVESTMENTS LIMITED | Private company limited by shares | Live |
| CoreMax Technology Company Limited | Private company limited by shares | Live |
| COREMETRICS HK LIMITED | Private company limited by shares | Dissolved |
| CoreMob Limited | Private company limited by shares | Live |
| Coremobile Limited | Private company limited by shares | Dissolved |
| Coremy Technology Co., Limited | Private company limited by shares | Live |
| Coremy Technology (HK) Co., Limited | Private company limited by shares | Live |