| Company Name | Type | Status |
|---|---|---|
| MYSTA HK INTERNATIONAL CO., LIMITED | Private company limited by shares | Live |
| MYSTAR HK LIMITED | Live | |
| MYSTAR TECHNOLOGY CO., LIMITED | Private company limited by shares | Dissolved |
| HONG KONG EAST MYSTAR CO., LIMITED | Live | |
| MyStarPick Limited | Live | |
| Mystart Limited | Private company limited by shares | Live |
| MYSTATICE COMPANY LIMITED | Private company limited by shares | Live |