| Mycelium Factory Limited | Private company limited by shares | Live |
| Mycelium Security Consulting Limited | Private company limited by shares | Live |
| MyCell Holdings Limited | Private company limited by shares | Live |
| MYCEN ELECTRONIC MATERIAL CO., LIMITED | Private company limited by shares | Live |
| MYCENAEAN LIMITED | | Live |
| MYCETOU LIMITED | Private company limited by shares | Dissolved |
| MYCHANCE LIMITED | Private company limited by shares | Dissolved |
| MyChanger Limited | Private company limited by shares | Live |
| MyChef Limited | Private company limited by shares | Live |
| MYCHILDHOOD COMPANY LIMITED | Private company limited by shares | Live |
| Mychina.biz Hong Kong Limited | Private company limited by shares | Live |
| Mychinatown Limited | Private company limited by shares | Live |
| MYCHINESETUTOR LIMITED | Private company limited by shares | Live |
| Mychip Limited | | Live |
| Mychiptuningfiles Asia Limited | Private company limited by shares | Live |
| MYCHOM INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| MYCHOPSTICKS.COM LIMITED | Private company limited by shares | Dissolved |
| MYCHWAYZONE CO., LIMITED | Private company limited by shares | Live |
| Mycih Limited | Private company limited by shares | Live |
| MyCircle Limited | Private company limited by shares | Live |
| MyCli Cosmetics Trade Co., Limited | Private company limited by shares | Live |
| MyClick Media Limited | Private company limited by shares | Live |
| Mycloud Digital HK LIMITED | | Live |
| MYCM Events Limited | | Live |
| MYCN LIMITED | Private company limited by shares | Live |
| MYCO LIMITED | Private company limited by shares | Dissolved |
| MYCO SHIPPING AND CLEARING LIMITED | Private company limited by shares | Dissolved |
| HK MYCO TRADING CO., LIMITED | Private company limited by shares | Live |
| MYCO ELECTRONICS LIMITED | | Live |
| MYCO TRANSPORTATION SERVICE (HK) COMPANY LIMITED | Private company limited by shares | Dissolved |
| MYCO INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| MYCO LIFE HEALTH PRODUCTS COMPANY LIMITED | Private company limited by shares | Dissolved |
| MYCO STORE LIMITED | Private company limited by shares | Live |
| MYCO Suite Limited | Private company limited by shares | Dissolved |
| MYCO TRADING LIMITED | Private company limited by shares | Live |
| CHINA MYCO TRADING LIMITED | Private company limited by shares | Dissolved |
| Mycoach Health Limited | | Live |
| MyCollaPlus Limited | Private company limited by shares | Live |
| Mycollection Company Limited | Private company limited by shares | Live |
| MYCOLONY LIMITED | Private company limited by shares | Live |
| Mycolor Tech Co., LIMITED | | Live |
| MYCOM LIMITED | Private company limited by shares | Dissolved |
| MYCOM BREWERY LIMITED | Private company limited by shares | Dissolved |
| MYCOM RESOURCES LIMITED | Private company limited by shares | Dissolved |
| MYCOM RESOURCES LIMITED | Private company limited by shares | Dissolved |
| MYCOMFORT CO., LIMITED | Private company limited by shares | Live |
| MYCOMPANYSUITE LIMITED | Private company limited by shares | Dissolved |
| MYCON COMPANY LIMITED | Private company limited by shares | Dissolved |
| MYCONSTRUCTION.COM LIMITED | Private company limited by shares | Dissolved |
| MYCONSULTING COMPANY LIMITED | Private company limited by shares | Live |
| MYCOOLBIZ LIMITED | Private company limited by shares | Live |
| MYCORE-CAPRIS INVESTMENT HOLDING LIMITED | Private company limited by shares | Dissolved |
| MYCORVEST LIMITED | Private company limited by shares | Dissolved |
| Mycotoo Asia Limited | Private company limited by shares | Live |
| MyCrane Limited | Private company limited by shares | Live |
| MC MYCREATION LIMITED | Private company limited by shares | Live |
| Mycro Technologies Company Limited | Private company limited by shares | Live |
| MYCROFT PADISON LIMITED | Private company limited by shares | Live |
| Mycroleap Limited | Private company limited by shares | Live |
| MYCUTEPONS LIMITED | Private company limited by shares | Dissolved |
| myda Limited | Private company limited by shares | Live |
| MYDANS INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| Mydar Limited | Private company limited by shares | Live |
| Mydas HK Limited | Private company limited by shares | Live |
| MYDASH INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| MYDATA GREATER BAY AREA LIMITED | | Live |
| GUANGZHOU MYDAWN MOTOVELO PARTS COMPANY LIMITED | Private company limited by shares | Live |
| MyDay Limited | Private company limited by shares | Live |
| MYDAZS COMPANY LIMITED | Private company limited by shares | Live |
| Myddelton International Limited | Private company limited by shares | Live |
| MYDE LIMITED | Private company limited by shares | Live |
| MYDEA (GUANGDONG) SOLAR TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| HONG KONG MYDEAR CASHMERE CO., LIMITED | Private company limited by shares | Live |
| PINGYANG MYDEAR COMMODITY LIMITED | Private company limited by shares | Live |
| MYDEAR (HOLDINGS) LIMITED | Private company limited by shares | Dissolved |
| MyDear Creation International Information Consulting Co., Limited | | Live |
| MyDear International Holding Group Co., Limited | Private company limited by shares | Live |
| MYDECK LIMITED | Private company limited by shares | Dissolved |
| MYDECOLAB LIMITED | Private company limited by shares | Live |
| MyDedis Limited | Private company limited by shares | Live |
| MYDEHOW STEEL (TIANJIN) CO., LIMITED | | Live |
| MYDELEX LIMITED | Private company limited by shares | Live |
| MYDELIC FASHION CO., LIMITED | Private company limited by shares | Live |
| Mydepot Co., Limited | | Live |
| MY.Design and Consultancy Limited | Private company limited by shares | Live |
| M.Y.Diam LIMITED | | Live |
| MYDIM LIMITED | Private company limited by shares | Live |
| MyDinar (HK) Limited | Private company limited by shares | Live |
| MYDJPLAY Limited | Private company limited by shares | Live |
| Mydo Electronic Tech Limited | Private company limited by shares | Live |
| Chinese Mydo Group(Hongkong)Industrial Limited | Private company limited by shares | Live |
| MyDoc Asia Limited | Private company limited by shares | Live |
| MYDOC HEALTH LIMITED | Private company limited by shares | Live |
| Mydoc Hong Kong Limited | Private company limited by shares | Live |
| MYDOR SECURITY (HK) CO., LIMITED | Private company limited by shares | Dissolved |
| INTERNATIONAL MYDORI ASIA LIMITED | Private company limited by shares | Dissolved |
| MyDosage Limited | Private company limited by shares | Live |
| MyDRDR.com Limited | Private company limited by shares | Live |
| MYDREAM LED LIGHTING CO., LIMITED | Private company limited by shares | Live |
| MYDREAM INTERNATIONAL TRADE COMPANY LIMITED | Private company limited by shares | Live |