| Yamm Yuen Investment & Finance Limited | Private company limited by shares | Live |
| BRISK YAMMA ELECTRONICS CO., LIMITED | Private company limited by shares | Live |
| YAMMAR LIMITED | Private company limited by shares | Dissolved |
| YAMMAY INTERNATIONAL INVESTMENT HONG KONG LIMITED | Private company limited by shares | Dissolved |
| YAMMAY TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| YAMMI LIMITED | Private company limited by shares | Dissolved |
| Yammi 6 Limited | Private company limited by shares | Live |
| Yammi 1 Limited | Private company limited by shares | Live |
| Yammi 2 Limited | Private company limited by shares | Live |
| Yammi 3 Limited | Private company limited by shares | Live |
| Yammi 4 Limited | Private company limited by shares | Live |
| Yammi 5 Limited | Private company limited by shares | Live |
| YAMMI FOOD PRODUCTS LIMITED | Private company limited by shares | Dissolved |
| YAMMI (H.K.) COMPANY LIMITED | Private company limited by shares | Dissolved |
| YAMMIE COMPANY LIMITED | Private company limited by shares | Dissolved |
| Yamming Technology Limited | Private company limited by shares | Live |
| Yamm's Art Page Company Limited | Private company limited by shares | Live |
| YAMMY BEAUTY LIMITED | Private company limited by shares | Live |
| YAMMY COSTUMES LIMITED | Private company limited by shares | Dissolved |
| Yammy Trading (Hong Kong) Limited | Private company limited by shares | Live |
| HONGKONG YAMMY GROUP CO., LIMITED | Private company limited by shares | Live |
| HONGKONG YAMMY TECHNOLOGY LIMITED | | Live |