| Micropeter Technology Co., Limited | Private company limited by shares | Live |
| MICROPHASE TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live |
| MICROPHONE.COM LIMITED | Private company limited by shares | Dissolved |
| DPA Microphones Limited | Private company limited by shares | Live |
| RODE MICROPHONES (HONG KONG) LIMITED | Private company limited by shares | Live |
| PRIMO MICROPHONES HK CO., LIMITED | Private company limited by shares | Live |
| INTERNATIONAL MICRO-PLASTIC ASSOCIATION LIMITED | Private company limited by shares | Live |
| INTERNATIONAL MICRO-PLASTIC RESEARCH LIMITED | Private company limited by shares | Live |
| H.K MICROPLATE CO., LIMITED | Private company limited by shares | Live |
| MicroPlay Interactive Limited | Private company limited by shares | Live |
| MICROPLUSH LIMITED | Private company limited by shares | Dissolved |
| MicroPolo Export & Import & Consulting (Hong Kong) Limited | Private company limited by shares | Live |
| MICROPOLYMER LIMITED | Private company limited by shares | Dissolved |
| HONGKONG HEALTH MICROPORT MEDICAL DEVICE CO., LIMITED | Private company limited by shares | Live |
| Micropou Limited | Private company limited by shares | Live Commenced dormancy on 03-Jul-2015 |
| MicroPro Limited | Private company limited by shares | Live |
| Microprobe Technology (HK) Co., Limited | Private company limited by shares | Dissolved |
| Microprobe HongKong Limited | Private company limited by shares | Live |
| MICROPROFESSOR COMPUTER CENTRE LIMITED | Private company limited by shares | Dissolved |
| Microprojector Co. Limited | Private company limited by shares | Live |
| MICRORATING INT'L LIMITED | Private company limited by shares | Dissolved |
| MICRORAY CO., LIMITED | Private company limited by shares | Live |
| HONG KONG MICROREAD TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| MICRO-RECORDSYSTEM LIMITED | Private company limited by shares | Live |
| MICROREQUEST LIMITED | Private company limited by shares | Dissolved |
| SHENZHEN MICRORIVER INTERNET TECHNOLOGY CO., LIMITED | | Live |
| MICROROLA INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| MicroRoute International Limited | Private company limited by shares | Live |
| Hong Kong Micro-Ruban Trade Co., Limited | Private company limited by shares | Live |
| MICROS LIMITED | Private company limited by shares | Dissolved |
| HL MICROS LIMITED | Private company limited by shares | Live |
| Cube Micros Limited | Private company limited by shares | Dissolved |
| MICROS LIGHTING INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| MICROS SOLUTION LIMITED | Private company limited by shares | Dissolved |
| Micros Technology Co., Limited | Private company limited by shares | Dissolved |
| Microsat Limited | Private company limited by shares | Live |
| MICROSAT COMMUNICATION LIMITED | Private company limited by shares | Live |
| MARKET MICROSCOPE LIMITED - THE | Private company limited by shares | Dissolved |
| PW MICROSCOPE TECHNOLOGY LIMITED | Private company limited by shares | Live |
| MICROSCOPIC SPIDER LIMITED | | Live |
| FINE MICROSCOPIC TRADING CO., LIMITED | Private company limited by shares | Live |
| MICROSCOTT LIMITED | Private company limited by shares | Live |
| Microsec Trading Limited | Private company limited by shares | Live |
| MICROSEEDS TRADING (HONGKONG) CO., LIMITED | Private company limited by shares | Live |
| Microsemitech Limited | Private company limited by shares | Live |
| MICROSENSORS LIMITED | Private company limited by shares | Dissolved |
| MicroSequence HK Limited | Private company limited by shares | Live |
| Financial Microservices (HK) Limited | Private company limited by shares | Live |
| MICROSHIFT ELECTRONICS LIMITED | Private company limited by shares | Dissolved |
| Microshine Co., Limited | Private company limited by shares | Live |
| MICROSHIP SHIPPING COMPANY LIMITED | Private company limited by shares | Live |
| MicroShowtime Limited | | Live |
| MICROSIL TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| MICROSIM TECHNOLOGIES (HONG KONG) LIMITED | Private company limited by shares | Live |
| MICROSIM TECHNOLOGY LIMITED | Private company limited by shares | Live |
| MICROSIMPLE (HK) TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Microsix Limited | | Live |
| Microskills Limited | Private company limited by shares | Live |
| MICROSKY HK COMPANY LIMITED | | Live |
| Microsky Co., Limited | Private company limited by shares | Live |
| Microsky Group Limited | | Live |
| Microsky Tech Company Limited | Private company limited by shares | Live |
| MICROSOLUTIONS LIMITED | Private company limited by shares | Dissolved |
| HONG KONG MICROSON TRADE CO., LIMITED | Private company limited by shares | Live |
| Microsonic Technology Limited | Private company limited by shares | Live |
| Microsonic Technology Hong Kong Limited | Private company limited by shares | Live |
| MICRO-SOURCING CO., LIMITED | Private company limited by shares | Live |
| Microspark Culture And Education Company Limited | Private company limited by shares | Live |
| Microspark Enterprise Limited | Private company limited by shares | Live |
| Microspark (HK) Limited | Private company limited by shares | Live |
| Microspark International Wealth Management Company Limited | Private company limited by shares | Live |
| MICROSPHERE INTERNATIONAL LIMITED | Private company limited by shares | Live |
| Micross Instrument Co., Limited | Private company limited by shares | Live |
| Micross Components Limited | Private company limited by shares | Live |
| MICROSTAR COMPANY LIMITED | Private company limited by shares | Dissolved |
| MICROSTAR INVESTMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| MICROSTART ASIA PACIFIC COMPANY LIMITED | Private company limited by shares | Live |
| MICRO-STATION LIMITED | Private company limited by shares | Dissolved |
| MICROSTEP LIMITED | Private company limited by shares | Live |
| MICROSTONE INVESTMENT & HOLDING LIMITED | Private company limited by shares | Live |
| MICROSYS COMPANY LIMITED | Private company limited by shares | Dissolved |
| MICROSYS LIMITED | Private company limited by shares | Dissolved |
| JP MICROSYSTEM LIMITED | Private company limited by shares | Dissolved |
| MG MICROSYSTEM LIMITED | Private company limited by shares | Live |
| YX Microsystem Limited | | Live |
| SANHO MICRO-SYSTEM DESIGN LIMITED | Private company limited by shares | Dissolved |
| MICRO-SYSTEM SERVICE CENTRE LIMITED | Private company limited by shares | Dissolved |
| SpiralX Microsystem Limited | | Live |
| T. S. MICROSYSTEMS LIMITED | Private company limited by shares | Live |
| LEO MICROSYSTEMS LIMITED | Private company limited by shares | Dissolved |
| WTC MICROSYSTEMS LIMITED | Private company limited by shares | Dissolved |
| PSi Microsystems Limited | Private company limited by shares | Dissolved |
| One Microsystems Limited | Private company limited by shares | Live |
| ELM Microsystems Limited | | Live |
| MCS MICROSYSTEMS ASIA LIMITED | Private company limited by shares | Live |
| DIGITAL MICROSYSTEMS (ASIA) LIMITED | Private company limited by shares | Dissolved |
| SUN MICROSYSTEMS OF CALIFORNIA LIMITED | Private company limited by shares | Live |
| SUN MICROSYSTEMS CHINA LIMITED | Private company limited by shares | Dissolved |
| C-NOVA MICROSYSTEMS LIMITED | Private company limited by shares | Live |
| ACUTI MICROSYSTEMS CO., LIMITED | Private company limited by shares | Dissolved |