| ZENITH MEDICAL CO. LIMITED | Private company limited by shares | Live |
| Zenith Medical Centre Limited | Private company limited by shares | Live |
| ZEPPELIN MEDICAL ASIA LIMITED | Private company limited by shares | Live |
| MEDICAL ZETTLE LIMITED | Private company limited by shares | Dissolved |
| DOCTOR ZHANG MEDICAL EXAMINATION CENTER LIMITED | Private company limited by shares | Live |
| DA HAN SHI ZHEN MEDICAL COMPANY LIMITED | Private company limited by shares | Live |
| ZHENG DA MEDICAL TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live |
| ZHONGHUA ANTI-AGING MEDICAL ASSOCIATION LIMITED | Private company limited by shares | Live |
| Zhongnan Reproductive Medical Co., Limited | Private company limited by shares | Live |
| Zidan Medical HK Limited | Private company limited by shares | Live |
| Zion Medical Limited | Private company limited by shares | Live |
| Zitai Regeneration Medical Limited | | Live |
| ZKWY MEDICAL INVESTMENT LIMITED | Private company limited by shares | Live |
| Med Zone Medical Company Limited | | Live |
| Zuga Medical HK Limited | Private company limited by shares | Live |
| MEDICAL2LAB LIMITED | | Live |
| Mei Yi Sheng HK Medical-Beauty Group Limited | Private company limited by shares | Live |
| Holder Medical&Care Co., Limited | Private company limited by shares | Live |
| Medicalchain Hongkong Holdings Limited | Private company limited by shares | Live |
| MEDICALCORP LIMITED | Private company limited by shares | Live |
| Villa Medicale (GuangZhou) Limited | Private company limited by shares | Live |
| MEDICALEXPORT LIMITED | Private company limited by shares | Live |
| APT MEDICAL(Hongkong) Limited | Private company limited by shares | Live |
| MediCall Limited | Private company limited by shares | Live |
| MEDICALONLINETV.COM LIMITED | Private company limited by shares | Dissolved |
| MEDICALPRO INDUSTRIAL HOLDING LIMITED | Private company limited by shares | Live |
| HK MSK MEDICALS LIMITED | | Live |
| ACME Medicals Limited | | Live |
| Miu Chin Medical's Limited | Private company limited by shares | Live |
| LONG DRAGON MEDICALS LIMITED | Private company limited by shares | Dissolved |
| Running Animals Medicals and Nursing Service Limited | Private company limited by shares | Live |
| Sortus Medicals Limited | Private company limited by shares | Live |
| STEVEN MEDICALS LIMITED | Private company limited by shares | Live |
| Yingran Medicals Company Limited | | Live |
| Hong Kong Bright Future Medical-service Group Limited | | Live |
| MEDICALSOFT TRADING LIMITED | Private company limited by shares | Dissolved |