| CONCA LIMITED | Private company limited by shares | Dissolved |
| CONCA ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| CONCA INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| CONCA TECHNOLOGY LIMITED | Private company limited by shares | Live |
| CONCA TRADING LIMITED | Private company limited by shares | Live |
| CONCAI TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Hong Kong Concare Holding Co. Limited | | Live |
| CON-CARRIERS ASIA LIMITED | Private company limited by shares | Dissolved |
| Concat108 Company Limited | | Live |
| HK HEBANG (INT'L) GROUP CLEAN-TOOLS CONCATENATE CO., LIMITED | Private company limited by shares | Dissolved |
| DATANG NIMBUS JADE (HK) INT'L JEWELS CONCATENATE LIMITED | Private company limited by shares | Dissolved |
| CONCAVE ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| Concavex Optics Limited | Private company limited by shares | Live |
| CONCAVEX PLASTIC WORKS LIMITED | Private company limited by shares | Live Commenced dormancy on 22-Jul-2016 |