| I. T. REEN LIMITED | Private company limited by shares | Dissolved |
| JAE REEN COMPANY LIMITED | Private company limited by shares | Live |
| La Reen Company Limited | Private company limited by shares | Live |
| REENA LIMITED | Private company limited by shares | Live |
| REENA DIAM HK LIMITED | Private company limited by shares | Live |
| REENERGY LIMITED | Private company limited by shares | Live |
| REENEX LIMITED | Private company limited by shares | Dissolved |
| REENFORD LIMITED | Private company limited by shares | Live |
| BUSINESS RE-ENGINEERING (ASIA) LIMITED | Private company limited by shares | Dissolved |
| Bio-Nutritional Re-engineering Company Limited | Private company limited by shares | Dissolved |
| REENICE INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| REENIX LIMITED | Private company limited by shares | Live |
| Reenoor Limited | | Live |
| REENTEX ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| REENTRY LIMITED | Private company limited by shares | Dissolved |
| Reenuo Limited | Private company limited by shares | Live |
| ReEnvision Hong Kong Limited | | Live |
| Reenway Hong Kong Limited | Private company limited by shares | Live |
| REENY INDUSTRIAL LIMITED | Private company limited by shares | Live |