| MONTSERAT LIMITED | Private company limited by shares | Dissolved |
| MONTSERRAT LIMITED | Private company limited by shares | Dissolved |
| Montserrat Limited | Private company limited by shares | Live |
| MONTSERRET LIMITED | Private company limited by shares | Dissolved |
| MONTSMED COMPANY LIMITED | Private company limited by shares | Live |
| MontsMed Healthcare Co., Limited | Private company limited by shares | Live |
| MontsMed Biotech (HK) Company Limited | Private company limited by shares | Live |
| MONTSMED HONG KONG COMPANY LIMITED | Private company limited by shares | Live |
| MONTSMED TRADING LIMITED | Private company limited by shares | Live |
| MONTSOFT LIMITED | Private company limited by shares | Live |