| Company Name | Type | Status |
|---|---|---|
| iStudy Limited | Private company limited by shares | Live |
| ISTUDY EDUCATION GROUP LIMITED | Private company limited by shares | Live |
| iStudy Hub (Hong Kong) Company Limited | Private company limited by shares | Live |
| I-STUDY RESOURCES LIMITED | Private company limited by shares | Dissolved |
| i-Study-Online Company Limited | Private company limited by shares | Live |