| Company Name | Type | Status |
|---|---|---|
| Jcon Limited | Private company limited by shares | Live |
| J-CON DESIGN LIMITED | Private company limited by shares | Dissolved |
| J-CONCEPT GROUP LIMITED | Private company limited by shares | Live |
| J-CONNECT LIMITED | Private company limited by shares | Live |
| J-Consulting HK Limited | Private company limited by shares | Live |
| J-CONTROL INTERNATIONAL CO., LIMITED | Private company limited by shares | Dissolved |