| Attach Company Limited | Private company limited by shares | Live |
| ATTACH FASHION LIMITED | Private company limited by shares | Live |
| Attach Technology Co., Limited | Private company limited by shares | Live |
| ATTACHE LIMITED | Private company limited by shares | Dissolved |
| ATTACHEM LIMITED | Private company limited by shares | Live |
| ATTACHMATE GROUP HONG KONG LIMITED | Private company limited by shares | Live |
| ATTACHMATE (HONG KONG) LIMITED | Private company limited by shares | Live Commenced dormancy on 21-Mar-2016 |
| Attachment Concepts Limited | Private company limited by shares | Live |
| ATTACHMUM LIMITED | Private company limited by shares | Live |