| Jcoin Capital Limited | | Live |
| JCollect (Holdings) Co., Limited | Private company limited by shares | Dissolved |
| J-COLLECTION COMPANY LIMITED | Private company limited by shares | Dissolved |
| J-COM LIMITED | Private company limited by shares | Dissolved |
| JCOM (H.K.) LIMITED | Private company limited by shares | Live |
| JCOM HOLDING LIMITED | | Live |
| J-COM TRADING (HK) LIMITED | Private company limited by shares | Dissolved |
| 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 |
| JCOO LIMITED | Private company limited by shares | Live |
| JCoptical Beauty Limited | | Live |
| JCORHK CO LIMITED | Private company limited by shares | Live |
| JCornerstone (Hong Kong) Limited | Private company limited by shares | Live |
| JCOS LIMITED | Private company limited by shares | Live |