| R.J.C. LIMITED | Private company limited by shares | Dissolved |
| RJCC COMPANY LIMITED | Private company limited by shares | Live |
| RJDA LIMITED | | Live |
| RJDY Company Limited | Private company limited by shares | Live |
| R.J.H. COMPANY LIMITED | Private company limited by shares | Dissolved |
| RJHERO LIMITED | Private company limited by shares | Live |
| RJHK Company Limited | Private company limited by shares | Dissolved |
| RJHK Trading Limited | Private company limited by shares | Live |
| RJING LIMITED | Private company limited by shares | Live |
| RJJR Investment HK Limited | Private company limited by shares | Live |
| RJL-HK Limited | Private company limited by shares | Live |
| RJ-LINK Limited | Private company limited by shares | Live |
| Rjlop (China) Co., Limited | Private company limited by shares | Live |
| RJM.IT LIMITED | Private company limited by shares | Live |
| RJobs Limited | Private company limited by shares | Live |
| RJPH INFORMATION TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| RJSA Engineering Company Limited | | Live |
| RJ-SYS LIMITED | Private company limited by shares | Live |
| RJTEC Holding Co., Limited | Private company limited by shares | Live |
| RJTEC ENTERPRISES LIMITED | Private company limited by shares | Live |
| RJ-TRADING ENTERPRISE LIMITED | Private company limited by shares | Live |
| R-JUST TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| RJvS Limited | Private company limited by shares | Live |
| RJWL HOLDING LIMITED | | Live |
| RJX(HK)INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| RJZERO LIMITED | Private company limited by shares | Live |