| TRUSTY MEDICAL CENTRE LIMITED | Private company limited by shares | Live |
| Trusty Medical Consultancy Limited | Private company limited by shares | Live |
| Kei Yau (Tsim Sha Tsui) Medical Service Limited | | Live |
| UMP Medical Centre (Tsing Yi) Limited | Private company limited by shares | Live |
| Cos Max Medical Centre (TST) Limited | Private company limited by shares | Live |
| 813 Medical Centre (TST) Company Limited | Private company limited by shares | Live |
| Charming Medical (TST) Limited | | Live |
| Bio Medical Imaging Centre (TST) Company Limited | Private company limited by shares | Live |
| TSUEN WON CO - MEDICAL CENTRE LIMITED | Private company limited by shares | Live |
| TSUEN WON MEDICAL CENTRE LIMITED | Private company limited by shares | Live |
| NEW TSUEN WON MEDICAL CENTRE LIMITED | Private company limited by shares | Live |
| Tsuen Wan Integrated Medical Centre Limited | Private company limited by shares | Live |
| TSZ TSUEN MEDICAL SERVICE LIMITED | Private company limited by shares | Live |
| TUNG LOK MEDICAL LIMITED | Private company limited by shares | Live |
| Tung Yat Medical Limited | Private company limited by shares | Live |
| TUNG WO MEDICAL LIMITED | Private company limited by shares | Live |
| WAI TUNG MEDICAL LIMITED | | Live |
| WAI TUNG FIFTH MEDICAL LIMITED | | Live |
| TUNG YAT MEDICAL (HONG KONG) COMPANY LIMITED | Private company limited by shares | Live |
| WAI TUNG THIRD MEDICAL LIMITED | | Live |
| Twilight Rivers Medical Limited | Private company limited by shares | Live |
| U-Health Medical Limited | Private company limited by shares | Live |
| ULTRA MEDICAL BEAUTY CENTRE LIMITED | Private company limited by shares | Dissolved |
| Ultra Pro Medical Centre Limited | | Live |
| Asian and Pacific Undersea and Hyperbaric Medical Society Limited -The- | Private company limited by shares | Live |
| UNIQUE MEDICAL CARE LIMITED | Private company limited by shares | Dissolved |
| UNIQUE MEDICAL CENTRE LIMITED | Private company limited by shares | Live |
| Unique Medical Co., Limited | Private company limited by shares | Live |
| UNIQUE MEDICAL GROUP LIMITED | Private company limited by shares | Live |
| UNITED MEDICAL LIMITED | Private company limited by shares | Live |
| UNITED CARE MEDICAL CENTRE LIMITED | Private company limited by shares | Live |
| UNITED CHRISTIAN MEDICAL SERVICE | Company limited by guarantee | Live |
| UNITED MEDICAL IMAGING CO., LIMITED | Private company limited by shares | Dissolved |
| UNITED MEDICAL GROUP LIMITED | Private company limited by shares | Live |
| United Medical Group HK Limited | Private company limited by shares | Live |
| UNITED SUCCESS MEDICAL GROUP LIMITED | Private company limited by shares | Live |
| UNITED HEALTH MEDICAL CENTRE LIMITED | Private company limited by shares | Dissolved |
| MEDICAL UNITED NETWORK LIMITED | Private company limited by shares | Live |
| UNITED ASIA MEDICAL NETWORK COMPANY LIMITED | Private company limited by shares | Live |
| UNITED MEDICAL PRODUCTS LIMITED | Private company limited by shares | Dissolved |
| UNITED MEDICAL SERVICE COMPANY LIMITED | Private company limited by shares | Dissolved |
| United Medical System Limited | Private company limited by shares | Live |
| United Medical Therapy Center Limited | | Live |
| United Healthcare and Medical Treatment Limited -The- | Private company limited by shares | Live |
| SAKURA UNIVERSAL MEDICAL SUPPLY COMPANY LIMITED | Private company limited by shares | Dissolved |
| UPSTREAM MEDICAL LIMITED | Private company limited by shares | Live |
| Uranus Medical Centre Limited | Private company limited by shares | Live |
| UROTECH MEDICAL LIMITED | Private company limited by shares | Live |
| G & L MEDICAL (USA) COMPANY LIMITED | Private company limited by shares | Live |
| Usena Medical Limited | Private company limited by shares | Live |
| uSWOP Medical Limited | Private company limited by shares | Live |
| UTsonic Medical Limited | | Live |
| Medical Valley HK Limited | Private company limited by shares | Live |
| HAPPY VALLEY MEDICAL CENTRE LIMITED | Private company limited by shares | Dissolved |
| CHINA MEDICAL VALLEY LIMITED | Private company limited by shares | Live |
| Medical Valley Holding Co., Limited | Private company limited by shares | Live |
| VAST CARE MEDICAL LIMITED | Private company limited by shares | Live |
| VASTEC MEDICAL LIMITED | Private company limited by shares | Live |
| VCARE MEDICAL CENTRE LIMITED | Private company limited by shares | Dissolved |
| VENCH MEDICAL CO., LIMITED | Private company limited by shares | Live |
| VEPRO MEDICAL CENTRE LIMITED | | Live |
| Verathon Medical (Hong Kong) Limited | Private company limited by shares | Live |
| MASTERMIND VETERINARY AND MEDICAL SERVICE COMPANY LIMITED | Private company limited by shares | Live |
| Veterinary Medical Supply Limited | Private company limited by shares | Live |
| FORE VICTORY MEDICAL LIMITED | Private company limited by shares | Live |
| Dr View Medical Limited | Private company limited by shares | Dissolved |
| DR VIEW MEDICAL LIMITED | Private company limited by shares | Live |
| GRAND VIEW MEDICAL SYSTEM LIMITED | Private company limited by shares | Dissolved |
| VIKIMED MEDICAL & HEALTHCARE LIMITED | Private company limited by shares | Dissolved |
| VINCENT INSPIRED MEDICAL LIMITED | Private company limited by shares | Live |
| Virtue Medical Limited | Private company limited by shares | Live |
| VIRTUS MEDICAL GROUP LIMITED | Private company limited by shares | Live |
| VISION MEDICAL LIMITED | Private company limited by shares | Live |
| GRAND VISION MEDICAL LIMITED | Private company limited by shares | Live |
| Visionary Medical Group Limited | Private company limited by shares | Live |
| Visus Medical Limited | | Live |
| VITALITY MEDICAL LIMITED | Private company limited by shares | Live |
| Viuture Medical Consultancy Limited | Private company limited by shares | Live |
| VivaLink Medical Hong Kong Limited | Private company limited by shares | Live |
| CHUNG CHENG (TAI WAI) MEDICAL LIMITED | | Live |
| WALWELL MEDICAL LIMITED | Private company limited by shares | Live |
| Waterwood Medical Limited | Private company limited by shares | Live |
| Wave Medical Limited | Private company limited by shares | Live |
| WAYO MEDICAL LIMITED | Private company limited by shares | Live |
| TOP WEALTH MEDICAL LIMITED | Private company limited by shares | Dissolved |
| Wecare Medical Company Limited | Private company limited by shares | Live |
| WECARE MEDICAL LIMITED | | Live |
| WECARE MEDICAL CENTRE LIMITED | Private company limited by shares | Dissolved |
| Wecare Medical Supply Limited | Private company limited by shares | Live |
| WEIJIAN MEDICAL COMPANY LIMITED | Private company limited by shares | Live |
| WEIMEIHUI MEDICAL HAIRDRESSING CENTER CO., LIMITED | Private company limited by shares | Live |
| Well Choice Medical Limited | | Live |
| WELL CONSERVE MEDICAL LIMITED | Private company limited by shares | Live |
| Well Onco Medical Limited | Private company limited by shares | Live |
| Keen Well Medical Laboratory and X-Ray Services Limited | Private company limited by shares | Live |
| Wellbeing Fu Kiu Medical Limited | | Live |
| WELLCARE MEDICAL APPLIANCE COMPANY LIMITED | Private company limited by shares | Dissolved |
| WELLCARE MEDICAL CO., LIMITED | Private company limited by shares | Live |
| Wellgo Medical Investment Company Limited | Private company limited by shares | Live |
| Welling Medical Company Limited | Private company limited by shares | Live |