| 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 |
| YAMNGA TRADE LIMITED | | Live |
| HADAN YAMO IMP AND EXP CO., LIMITED | | Live |
| YamOGA Mindfulness Limited | Private company limited by shares | Live |
| YAMON INTERNATIONAL (HK) INDUSTRY CO., LIMITED | Private company limited by shares | Dissolved |
| HENAN YAMOO IMPORT&EXPORT TRADING CO., LIMITED | Private company limited by shares | Live |
| YAMOO (HK) CO., LIMITED | Private company limited by shares | Live |
| Shanghai Yamoo Industry Co., Limited | Private company limited by shares | Live |
| Yamoo International Model Agency Limited | Private company limited by shares | Live |
| Yamori Limited | Private company limited by shares | Live |
| YAMOTTA LIMITED | Private company limited by shares | Dissolved |
| Yamp Limited | Private company limited by shares | Dissolved |
| YAMS LIMITED | | Live |
| YAMS ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| YAMSEY LIMITED | Private company limited by shares | Dissolved |
| Yamster Company Limited | Private company limited by shares | Live |
| YAMSUNG LIMITED | Private company limited by shares | Live |
| YAMTA LIMITED | Private company limited by shares | Dissolved |
| YAMTEK LIMITED | Private company limited by shares | Live |
| Yamu Trading Co., Limited | Private company limited by shares | Live |
| Yamu Craft Package Company Limited | Private company limited by shares | Live |
| Yamu Hospitality Properties Limited | Private company limited by shares | Live |
| YAMU QIQI INTERNATIONAL GROUP LIMITED | Private company limited by shares | Live |
| YAMU SOLUTIONS HK LIMITED | Private company limited by shares | Live |
| YAMU TRADE LIMITED | Private company limited by shares | Live |
| BEST YAMUCHA (H.K.) COMPANY LIMITED -THE- | Private company limited by shares | Dissolved |
| YAMURI(HONG KONG)TECHNOLOGY CO., LIMITED | | Live |
| YAMUTO ENTERTAINMENT LIMITED | | Live |
| YAMWAY LIMITED | Private company limited by shares | Live |
| YAMWIN LIMITED | Private company limited by shares | Live |
| YAMWISE LIMITED | Private company limited by shares | Dissolved |
| YAMY 1 LIMITED | | Live |
| YAMY 2 LIMITED | | Live |
| YAMYAT (H.K.) TRADE CO., LIMITED | Private company limited by shares | Live |
| YAMZAN LIMITED | Private company limited by shares | Live |