| SMOOTHCOMM CO., LIMITED | Private company limited by shares | Dissolved |
| SMOOTHEA COMPANY LIMITED | Private company limited by shares | Dissolved |
| SMOOTHFIELD INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SMOOTHFORD LIMITED | Private company limited by shares | Dissolved |
| SmoothForever Limited | Private company limited by shares | Live |
| Smoothie Limited | Private company limited by shares | Live |
| SMOOTHLINE LIMITED | Private company limited by shares | Live |
| SMOOTHLINK CHINA COMPANY LIMITED | Private company limited by shares | Live |
| SMOOTHLINK DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| SMOOTHLINK (HK) LIMITED | Private company limited by shares | Live |
| Smoothly Limited | Private company limited by shares | Live |
| HK SMOOTHLY COMPANY LIMITED | Private company limited by shares | Live |
| SMOOTHLY IN LIMITED | | Live |
| Humility Smoothly Limited | Private company limited by shares | Live |
| BEST SMOOTHNESS INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SmoothRidge Limited | | Live |
| SMOOTHSAIL COMPANY LIMITED | Private company limited by shares | Dissolved |
| SMOOTH&SLIM LIMITED | Private company limited by shares | Live |
| SMOOTHTREND COMPANY LIMITED | Private company limited by shares | Dissolved |
| Smoothware Limited | Private company limited by shares | Live |
| SMOOTHWAY LIMITED | Private company limited by shares | Live |
| SMOOTHWAY 08 LIMITED | Private company limited by shares | Dissolved |
| Smoothweb Group Limited | Private company limited by shares | Live |
| Smoothweb Technologies Limited | Private company limited by shares | Live |
| Smoothy Company Limited | Private company limited by shares | Live |
| SMOOTHY FAMILY LIMITED | Private company limited by shares | Live |
| Smoothy (HK) Co., Limited | Private company limited by shares | Live |
| SMOOTHY INVESTMENT LIMITED | Private company limited by shares | Live |