| CHINESE CHILDREN PREVENT ENCROACH ON ALLIANCE CO., LIMITED | Private company limited by shares | Live |
| PRE-VENT Asia Limited | Private company limited by shares | Live |
| HK PREVENT MEDICAL SCIENCE (INTERNATIONAL) RESEARCH CENTER LIMITED | Private company limited by shares | Live |
| INTERNATIONAL HEALTH MEDICINE CHRONIC DISEASE PREVENT TREAT ORGANIZATION LIMITED | Private company limited by shares | Dissolved |
| HK PREVENT INT'L HEALTH MANAGEMENT CO., LIMITED | Private company limited by shares | Live |
| THUNDER (USA) ORAL DISEASE PREVENT RESEARCH CENTRE LIMITED | Private company limited by shares | Live |
| PREVENTAGEN MEDTECH COMPANY LIMITED | Private company limited by shares | Live |
| PreventativeRx Limited | | Live |
| PO KIN TONG CANCER PREVENTION AND CURE CENTRE LIMITED | Private company limited by shares | Dissolved |
| Preventis Limited | Private company limited by shares | Live |
| CHINA PREVENTIVE MEDICAL HOLDING LIMITED | Private company limited by shares | Dissolved |
| GLOBAL PREVENTIVE MEDICAL LIMITED | Private company limited by shares | Live |
| PREVENTIVE CARE GROUP LIMITED | | Live |
| Preventpcb Limited | Private company limited by shares | Live |