| Company Name | Type | Status |
|---|---|---|
| SMARTKEY ENERGY CO., LIMITED | Live | |
| SMARTKEY GLOBAL LIMITED | Private company limited by shares | Live |
| SMARTKEY POWER (HK) CO., LIMITED | Private company limited by shares | Live |
| SMARTKEY GLOBAL (HK) CO LIMITED | Live | |
| SMART-KEY TECHNOLOGY (HK) LIMITED | Private company limited by shares | Dissolved |
| SMARTKEY INTERNATIONAL HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| SMART-KEY TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |