| F.STAR COMPANY LIMITED | Private company limited by shares | Dissolved |
| F-STAR MANUFACTORY CO., LIMITED | Private company limited by shares | Dissolved |
| FStar Trade Co., Limited | Private company limited by shares | Live |
| FSTAR HOLDING COMPANY LIMITED | Private company limited by shares | Dissolved |
| FSTAR TECHNOLOGY LIMITED | Private company limited by shares | Live |
| F-STARE HONG KONG LIMITED | Private company limited by shares | Live |
| FstCloud Limited | Private company limited by shares | Live |
| F-STEM Solution Limited | Private company limited by shares | Live |
| F-STOP LIMITED | Private company limited by shares | Live |