| HK ATAI INTL BUSINESS CO., LIMITED | Private company limited by shares | Live |
| ATAI ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| A-TAI (HK) LIMITED | Private company limited by shares | Dissolved |
| ATAI (HK) LIMITED | Private company limited by shares | Live |
| ATAI INDUSTRIAL (HONGKONG) LIMITED | Private company limited by shares | Live |
| Atai Trading Co., Limited | Private company limited by shares | Live |
| A-TAI INTERNATIONAL TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| Ataiwee Company Limited | Private company limited by shares | Live |