| JointC Electronic Technology Co., Limited | Private company limited by shares | Dissolved |
| JOINTCAN LIMITED | Private company limited by shares | Live |
| JOINTCHOICE LIMITED | Private company limited by shares | Dissolved |
| JOINTCO LIMITED | Private company limited by shares | Dissolved |
| JOINTCO INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| JOINTCO INVESTMENTS LIMITED | Private company limited by shares | Live |
| JOINTCOM LIMITED | Private company limited by shares | Dissolved |
| JOINTCOM ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| JOINT-CREATION HK LIMITED | Private company limited by shares | Live |