| UMAI UMAI LIMITED | Private company limited by shares | Dissolved |
| Umai Technology (Hong Kong) Co., Limited | Private company limited by shares | Live |
| Umai Communications Limited | Private company limited by shares | Live |
| UMAI GROUP LIMITED | Private company limited by shares | Live |
| Hongkong Umai International Co., Limited | Private company limited by shares | Live |
| U-MAI INTERNATIONAL TRADING LIMITED | Private company limited by shares | Live |
| UMAI INT'L DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| Umai Place Limited | Private company limited by shares | Live |
| Umai Sushi Limited | Private company limited by shares | Live |
| UMAIL COMPANY LIMITED | Private company limited by shares | Live |
| Umaiya Company Limited | Private company limited by shares | Live |
| Umaiya Group Company Limited | | Live |