| LA COSTE COMPANY LIMITED | Private company limited by shares | Dissolved |
| COSTE COMPANY LIMITED | Private company limited by shares | Live |
| EZ COSTEC HK LIMITED | Private company limited by shares | Live |
| COSTECH LIMITED | Private company limited by shares | Dissolved |
| COSTECH LIMITED | Private company limited by shares | Live |
| COSTEF LIMITED | Private company limited by shares | Live |
| COSTEL LIGHTING LIMITED | Private company limited by shares | Live |
| COSTEL TECHNOLOGY LIMITED | Private company limited by shares | Live |
| COSTEN ENTERPRISE CO., LIMITED | Private company limited by shares | Live |
| COSTER LIMITED | Private company limited by shares | Live |
| Coster Trade Limited | | Live |