| Dr.M. Limited | Private company limited by shares | Live |
| DR.MALL ASSOCIATION COMPANY LIMITED | Private company limited by shares | Live |
| Dr.Mango Health Limited | Private company limited by shares | Live |
| DRMASTER PRESS (H.K.) LIMITED | Private company limited by shares | Live |
| DR-MAX LIMITED | Private company limited by shares | Live |
| DR-MAX (ASIA) LIMITED | Private company limited by shares | Dissolved |
| DR-MAX EDUCATION LIMITED | Private company limited by shares | Live |
| DR-MAX (HK) LIMITED | Private company limited by shares | Dissolved |
| DR-MAX (PACIFIC) LIMITED | Private company limited by shares | Live |
| DRMETA LIMITED | | Live |
| Drms Limited | | Live |
| DRMX (HONG KONG) LIMITED | | Live |
| DRMYO LIMITED | Private company limited by shares | Dissolved |
| DRMZ HOLDING LIMITED | Private company limited by shares | Live |