| Company Name | Type | Status |
|---|---|---|
| MAINBASE LIMITED | Private company limited by shares | Live |
| MAINBASE DEVELOPMENT LIMITED | Private company limited by shares | Live |
| Mainbase Group Limited | Private company limited by shares | Live |
| MAINBASE MINERAL H.K. LIMITED | Private company limited by shares | Dissolved |
| Mainbase Industrial (Hong Kong) Limited | Private company limited by shares | Live |
| Mainbase Industrial (Hong Kong) 2nd Limited | Private company limited by shares | Live |