| Jcache Risk Management Company Limited | Private company limited by shares | Live |
| JCAESAR LIMITED | | Live |
| JCAL LIMITED | Private company limited by shares | Dissolved |
| JCAM ADVANCED MOBILITY COMPANY LIMITED | Private company limited by shares | Live |
| JCAM INVESTMENTS LIMITED | Private company limited by shares | Live |
| JCare Medical Technology Co. Limited | Private company limited by shares | Live |
| Jcares Limited | Private company limited by shares | Live |
| JC-ART.HK LIMITED | | Live |
| J.CASTLE DESIGN GROUP LIMITED | Private company limited by shares | Live |
| J-Castle International Limited | Private company limited by shares | Live |
| JCat Group Limited | | Live |
| JCAT Asia Pacific Limited | Private company limited by shares | Live |
| JCAW Consultants Limited | Private company limited by shares | Live |