| RK Investment and Asset Management Group (HK9) Limited | Private company limited by shares | Live |
| HK90 Company Limited | Private company limited by shares | Live |
| HK919 LIMITED | Private company limited by shares | Dissolved |
| HK928 LIMITED | Private company limited by shares | Dissolved |
| HK938 LIMITED | Private company limited by shares | Live |
| HK95 Limited | Private company limited by shares | Live |
| HK988 LIMITED | Private company limited by shares | Live |
| HK99 LIMITED | Private company limited by shares | Live |
| HK998 LIMITED | Private company limited by shares | Dissolved |