| MEYCHSON MEDICAL LIMITED | Private company limited by shares | Live |
| MicroPort Medical (Hong Kong) Limited | Private company limited by shares | Dissolved |
| MILES MEDICAL COMPANY LIMITED | Private company limited by shares | Live |
| MILESTONE MEDICAL LIMITED | Private company limited by shares | Dissolved |
| MILLENNIUM MEDICAL LIMITED | | Live |
| Million Rivers Medical Centre Limited | | Live |
| YUE SAM MIND MEDICAL ASSISTANCE LIMITED | | Live |
| HAPPY MIND MEDICAL CENTER LIMITED | Private company limited by shares | Live |
| MINDS MEDICAL LIMITED | Private company limited by shares | Live |
| Minful Medical Limited | Private company limited by shares | Live |
| MiracleMed Medical Company Limited | Private company limited by shares | Dissolved |
| MIRAE MEDICAL CO., LIMITED | Private company limited by shares | Live |
| MIRCARE MEDICAL CARE COMPANY LIMITED | Private company limited by shares | Dissolved |
| MISSION MEDICAL CARE LIMITED | Private company limited by shares | Dissolved |
| MITSUBISHI TANABE MEDICAL COMPANY LIMITED | Private company limited by shares | Live |
| MIUSEE MEDICAL LIMITED | | Live |
| Cos Max Medical Centre (MK) Limited | | Live |
| Charming Medical (MK) Limited | | Live |
| HK M-LINK MEDICAL SERVICE COMPANY LIMITED | Private company limited by shares | Live |
| MODERN MEDICAL BLOC LIMITED | Private company limited by shares | Dissolved |
| Modern Chinese Medical Centre Limited | Private company limited by shares | Live |
| MODERN GENERAL MEDICAL MAGAZINE CO., LIMITED | Private company limited by shares | Live |
| Modern Medical Group Limited | Private company limited by shares | Live |
| MODERN CHINESE MEDICAL GROUP LIMITED | Private company limited by shares | Live |
| Modern (Shatin) Medical Centre Limited | Private company limited by shares | Live |
| Modern Medical Solutions Limited | | Live |
| MODERN MEDICAL TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| MOKER (ASIA) MEDICAL CONSULTING CO., LIMITED | Private company limited by shares | Live |
| Molecular Medical Limited | Private company limited by shares | Live |
| Medical Monitoring Solutions Co. Limited | Private company limited by shares | Live |
| Moon Sky Medical Company Limited | | Live |
| Tokyo morinaga medical service Limited | Private company limited by shares | Live |
| MOUNT SINAI MEDICAL GROUP LIMITED | Private company limited by shares | Dissolved |
| Ms&D Medical Company Limited | | Live |
| FRANCE MULTI-PURPOSE CURE MEDICAL LIMITED | Private company limited by shares | Dissolved |
| Medical Musicians Hong Kong Limited | 擔保有限公司 | Live |
| Beauty Myth Medical Centre Limited | Private company limited by shares | Live |
| NAHL medical co., Limited | Private company limited by shares | Live |
| Nathan Medical Limited | Private company limited by shares | Live |
| China National Machinery Medical Group Limited | | Live |
| SPINOTHERAPY NATUROPATHIC MEDICAL LIMITED | Private company limited by shares | Live |
| BEAME Medical Technology (NC) Limited | | Live |
| NELSON MEDICAL CENTRE LIMITED | Private company limited by shares | Live |
| Neolife Medical Group Limited | Private company limited by shares | Live |
| NephroSave Medical Care Limited | Private company limited by shares | Live |
| MHC Medical Network Limited | Private company limited by shares | Dissolved |
| SCG Medical Network Limited | | Live |
| CYBER MEDICAL NETWORK LIMITED | Private company limited by shares | Live |
| ASIA MEDICAL NETWORKS LIMITED | Private company limited by shares | Dissolved |
| EASTERN MEDICAL NETWORKS LIMITED | Private company limited by shares | Live |
| EHEALTHY.CARE MEDICAL NETWORKS LIMITED | Private company limited by shares | Live |
| Euro Medical Networks Limited | Private company limited by shares | Live |
| GBA Cardiovascular and Neurovascular Medical Centre Limited | Private company limited by shares | Live |
| Newa Medical Limited | Private company limited by shares | Live |
| Newa Medical Aesthetics Limited | Private company limited by shares | Live |
| NewLife Medical Consultancy Limited | | Live |
| ASIAN NEWLIFE MEDICAL INVESTMENT GROUP LIMITED | Private company limited by shares | Live |
| NEWPORT MEDICAL (ASIA) LIMITED | Private company limited by shares | Live |
| DR. NICHOLAS SUN MEDICAL CENTRE LIMITED | Private company limited by shares | Live |
| NINGBO VANSUN MEDICAL EXP & IMP LIMITED | Private company limited by shares | Live |
| NIPPO MEDICAL TECHNOLOGY (H. K.) LIMITED | Private company limited by shares | Dissolved |
| Noah Medical Limited | | Live |
| Nomad Medical Limited | | Live |
| Norgel Medical Limited | Private company limited by shares | Live Commenced dormancy on 02-Jan-2015 |
| NOVA MEDICAL CENTRE LIMITED | | Live |
| NOVA Medical Supply Limited | Private company limited by shares | Live |
| Novus Medical Limited | Private company limited by shares | Live |
| OBSIDIAN MEDICAL COMPANY LIMITED | Private company limited by shares | Live |
| Ocean Medical Limited | | Live |
| Ocean Health Medical Equipment International Trading Limited | Private company limited by shares | Live |
| Oliver Medical Products Limited | Private company limited by shares | Live |
| THE OLYMPIAN ASCLEPIUS MEDICAL LIMITED | | Live |
| OMACY MEDICAL LIMITED | Private company limited by shares | Live |
| NEW OMEGA MEDICAL LIMITED | Private company limited by shares | Live |
| OMNIHEALTH MEDICAL CENTRE LIMITED | Private company limited by shares | Live |
| ONBONG MEDICAL LIMITED | Private company limited by shares | Live |
| GBA Integrated Oncology Medical Centre Limited | Private company limited by shares | Live |
| Open Medical Beauty Limited | | Live |
| OPERATING THEATRE MEDICAL COMPANY LIMITED | Private company limited by shares | Live |
| HK HONGREN MEDICAL OPTICS LIMITED | Private company limited by shares | Live |
| Organix MEDICAL Limited | | Live |
| NEW ORIENTAL MEDICAL LIMITED | Private company limited by shares | Dissolved |
| ORIENTAL MEDICAL CENTRE LIMITED | Private company limited by shares | Live |
| Oriental Merit Medical Holding Limited | Private company limited by shares | Live |
| ORIENTAL WISDOM MEDICAL LIMITED | Private company limited by shares | Live |
| Supercare Ortho Medical Co., Limited | Private company limited by shares | Live |
| OSPANDER MEDICAL SERVICE LIMITED | Private company limited by shares | Dissolved |
| OTUS MEDICAL LIMITED | Private company limited by shares | Live |
| Zeyi Overseas Medical Management Co., Limited | Private company limited by shares | Live |
| ASIA PACIFIC STEM CELL MEDICAL TREATMENT LIMITED | Private company limited by shares | Live |
| ASIA PACIFIC EYE MEDICAL CENTRE LIMITED | Private company limited by shares | Dissolved |
| PACIFIC MEDICAL CENTRE LIMITED | Private company limited by shares | Live |
| CHINA ASIA PACIFIC MEDICAL & BIOCHEMICAL SUPPLIES CO. LIMITED | Private company limited by shares | Dissolved |
| NORD PACIFIC MEDICAL LIMITED | | Live |
| Pagos Medical Limited | Private company limited by shares | Live |
| MEDICAL PAIN CENTER LIMITED | | Live |
| Pakcare Medical Consultancy Limited | Private company limited by shares | Live |
| Grand Palace Medical Limited | Private company limited by shares | Live |
| Palm Medical Limited | Private company limited by shares | Live |
| PAMBELA MEDICAL LIMITED | Private company limited by shares | Live |