| ONESTAR ASSET HOLDING LIMITED | Private company limited by shares | Live |
| Onestar Education Limited | | Live |
| ONESTAR INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| OneStart Limited | Private company limited by shares | Live |
| OneStart Business Agency Limited | Private company limited by shares | Dissolved |
| OneStart Group Limited | Private company limited by shares | Live |
| OneStart (Nominees) Limited | Private company limited by shares | Dissolved |
| OneStart Secretaries Limited | Private company limited by shares | Live |
| OneStart HR Services Limited | Private company limited by shares | Live |
| Onestart Workshop Limited | Private company limited by shares | Live |