| SMARTHANDS ASIA LIMITED | Private company limited by shares | Dissolved |
| SMARTHANDS INNOVATION COMPANY LIMITED | Private company limited by shares | Live |
| SMARTHANG ENTERPRISES LIMITED | Private company limited by shares | Live |
| SmartHeart Limited | | Live |
| Smarthei Limited | Private company limited by shares | Live |
| HIMAX SMARTHILL CO. LIMITED | Private company limited by shares | Live |
| SMARTHINK COMPANY LIMITED | Private company limited by shares | Dissolved |
| SMARTHOME LIMITED | Private company limited by shares | Dissolved |
| Aominuo SmartHome Technology HK Limited | Private company limited by shares | Live |
| Tsingbay Smarthome HK Limited | | Live |
| Smarthon Limited | Private company limited by shares | Live |
| SMARTHONG TRADING CO., LIMITED | Private company limited by shares | Live |
| SMARTHOOD LIMITED | Private company limited by shares | Live |
| SMARTHOPE DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| SMARTHRIVE LIMITED | Private company limited by shares | Dissolved |
| TITRON SMARTHUB LIMITED | Private company limited by shares | Dissolved |