| Company Name | Type | Status |
|---|---|---|
| COSN HK LIMITED | Private company limited by shares | Live |
| COSNATA LIMITED | Private company limited by shares | Dissolved |
| COSNAV LIMITED | Private company limited by shares | Dissolved |
| c&e cosneasier beauty Limited | Live | |
| Cosnet Co. Limited | Private company limited by shares | Dissolved |
| HONG KONG COSNEY TECHNOLOGY CO., LIMITED | Private company limited by shares | Dissolved |
| COSNJ Limited | Live |