| Company Name | Type | Status |
|---|---|---|
| AEIO EXPERIMENT COMPANY LIMITED | Private company limited by shares | Live |
| AEIOER TECHNOLOGY CO., LIMITED | Live | |
| AEIONS INTERNATIONAL CO., LIMITED | Private company limited by shares | Live |
| AEIOU HK LIMITED | Private company limited by shares | Dissolved |
| AEIOU 1 LIMITED | Live | |
| AEIOU 2 LIMITED | Live | |
| AEIOU 3 LIMITED | Live | |
| AEIOU 4 LIMITED | Live | |
| AEIOU 5 LIMITED | Live | |
| AEIOU English Education Limited | Live |