| A.A.T. ADVANCED AQUARIUM TECHNOLOGIES (HK) LIMITED | Private company limited by shares | Live |
| AATANA Limited | Private company limited by shares | Live |
| AATARA TRADE LIMITED | Private company limited by shares | Live |
| AATC GROUP LIMITED | Private company limited by shares | Live |
| AATECH (HK) LIMITED | Private company limited by shares | Live |
| AATECH INTERNATIONAL CO., LIMITED | Private company limited by shares | Live |
| AATISH JEWELS LIMITED | Private company limited by shares | Live |
| AATN Limited | Private company limited by shares | Live |
| AATP LIMITED | Private company limited by shares | Live |
| AATPC, LIMITED | Private company limited by shares | Dissolved |
| AAtrans Limited | | Live |
| AATRAP TRADING CO., LIMITED | Private company limited by shares | Live |
| AATRAVELNET.COM LIMITED | Private company limited by shares | Dissolved |
| Aatrox Limited | | Live |
| AATS INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| AATS International Trading Company Limited | | Live |
| Aatto Limited | Private company limited by shares | Live |
| AATUU INTERNATIONAL CO., LIMITED | Private company limited by shares | Live |