| MusicRings Limited | Private company limited by shares | Live |
| SUN MUSICS COMPANY LIMITED | Private company limited by shares | Dissolved |
| MusicSage Limited | Private company limited by shares | Live |
| Musicsoul Limited | | Live |
| TOUON MUSICTECH INDUSTRIES LIMITED | Private company limited by shares | Dissolved |
| MusicToss Limited | Private company limited by shares | Live |
| MUSICTOWN LIMITED | Private company limited by shares | Live |
| MUSICTREE LIMITED | Private company limited by shares | Live |
| MUSICTUNITY LIMITED | | Live |
| MUSICWORKS HK LIMITED -THE- | Private company limited by shares | Live |
| Musicworld Limited | Private company limited by shares | Live |
| MUSICXPAT LIMITED | Private company limited by shares | Dissolved |
| MUSICZONE LIMITED | Private company limited by shares | Dissolved |
| MUSIHK LIMITED | Private company limited by shares | Live |
| MUSIHY INDUSTRIAL CO., LIMITED | | Live |
| MUSIK COMPANY LIMITED | Private company limited by shares | Dissolved |
| MUSIK CLAZZ COMPANY LIMITED | Private company limited by shares | Live |
| Elemente der Musik Limited | Private company limited by shares | Dissolved |
| Lyrical Musik Limited | Private company limited by shares | Live |
| MINGDE MUSIK LIMITED | Private company limited by shares | Live |
| STRING & KEYBOARD MUSIK LIMITED | Private company limited by shares | Live |
| MusikaLingua Limited | Private company limited by shares | Dissolved |
| MY MUSIKBOX LIMITED | Private company limited by shares | Live |
| ITALY MUSIKE KANGAROO LEATHERWARE DEVELOPMENT LIMITED | Private company limited by shares | Live |
| Musikelectronic Geithain (Asia) Co. Limited | Private company limited by shares | Live |
| MUSIKGARTEN (HK) TEACHER TRAINING ASSOCIATION LIMITED | Private company limited by shares | Live |
| Musikholic Co. Limited | Private company limited by shares | Live |
| MUSIKLAND LIMITED | Private company limited by shares | Dissolved |
| Musilan Trading Co., Limited | | Live |
| MUSILIN CO., LIMITED | Private company limited by shares | Dissolved |
| MUSIMBA INVESTMENTS LIMITED | Private company limited by shares | Live |
| MUSINDO COMPANY LIMITED | Private company limited by shares | Live |
| MUSING AI COMPANY LIMITED | Private company limited by shares | Live |
| MUSING ENTERPRISE LIMITED | Private company limited by shares | Live |
| MUSING PLASTIC TOY MANUFACTORY COMPANY LIMITED | Private company limited by shares | Live |
| Musion Limited | Private company limited by shares | Live |
| MusiPlanet Limited | Private company limited by shares | Live |
| MUSIQUE COMPANY LIMITED | Private company limited by shares | Dissolved |
| POMME MUSIQUE LIMITED | Private company limited by shares | Dissolved |
| TIME MUSIQUE LIMITED | Private company limited by shares | Live |
| MUSITANG (HONG KONG) LIMITED | Private company limited by shares | Live |
| MUSITAPA LIMITED | Private company limited by shares | Live |
| HK MUSITRADE INTERNATIONAL COMPANY LIMITED | Private company limited by shares | Live |
| MUSIWAVE ASIA LIMITED | Private company limited by shares | Live |
| MUSIXR LIMITED | | Live |
| MUSJOY LIMITED | Private company limited by shares | Live |
| MUSK LIMITED | Private company limited by shares | Dissolved |
| MUSK LIMITED | Private company limited by shares | Live |
| MUSK BEAUTY LIMITED | Private company limited by shares | Live |
| MUSK NETWORK TECHNOLOG CO., LIMITED | Private company limited by shares | Live |
| MUSK DIFFUSION LIMITED | Private company limited by shares | Live Commenced dormancy on 13-May-2015 |
| Musk (Hong Kong) International Finance Investment Group Co., Limited | Private company limited by shares | Live |
| Musk Owl (Hong Kong) Limited | Private company limited by shares | Live |
| Musk Hongkong Co., Limited | | Live |
| MUSK IMPORT EXPORT CO., LIMITED | | Live |
| MUSK INTERNATIONAL CO., LIMITED | Private company limited by shares | Live |
| Musk Media Tech Production Limited | Private company limited by shares | Live |
| MUSKAT LIMITED | Private company limited by shares | Live |
| MUSKATA COMPANY LIMITED | Private company limited by shares | Dissolved |
| Muskdata Trade Limited | Private company limited by shares | Live |
| MUSKETEER ENTERPRISES LIMITED | Private company limited by shares | Live |
| Musketeer Entertainment Limited | | Live |
| MUSKETEERS LIMITED -THE- | Private company limited by shares | Dissolved |
| Musketeers Capital Limited -The- | Private company limited by shares | Live |
| Tiny Musketeers Limited | Private company limited by shares | Live |
| MUSKETTE ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| MUSKIE INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| MUSKMOBI LIMITED | | Live |
| MUSKOKA LIMITED | Private company limited by shares | Live |
| MUSKOKA HOLDING LIMITED | Private company limited by shares | Live |
| Muskoka Trade Limited | Private company limited by shares | Live |
| ND Muslay Limited | | Live |
| CHINA MUSLIM BROTHER MINERAL COMPANY LIMITED | Private company limited by shares | Live |
| Pak Muslim Trading Company Limited | | Live |
| MAY'S MUSLIM SCARF TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| MUSLIMAH EMPLOYMENT AGENCY LIMITED | Private company limited by shares | Dissolved |
| MUSLIMAH OF HONG KONG LIMITED | Company limited by guarantee | Live |
| MUSLIN TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| MUSMAK COMPANY LIMITED | Private company limited by shares | Dissolved |
| MusMeg Group Limited | Private company limited by shares | Live |
| MUSN IMP AND EXP LIMITED | Private company limited by shares | Live |
| ISO MUSNI LIMITED | Private company limited by shares | Live |
| Musokan Hong Kong Limited | Company limited by guarantee | Live |
| Carl Muson Trading Limited | Private company limited by shares | Live |
| MUSONGON COMPANY LIMITED | Private company limited by shares | Dissolved |
| SUSHI MUSOU LIMITED | Private company limited by shares | Live |
| Mu-Sphere Creative Company Limited | Private company limited by shares | Live |
| Poise MuSports Limited | Private company limited by shares | Live |
| MUSPRAT COMPANY LIMITED | Private company limited by shares | Dissolved |
| MUSS COMPANY LIMITED | Private company limited by shares | Dissolved |
| HONG KONG MUSSANL INTERNATIONAL GROUP COMPANY LIMITED | Private company limited by shares | Live |
| Mussel House Limited | | Live |
| B B MUSSEL RESTAURANT LIMITED | Private company limited by shares | Dissolved |
| MUSSELROE INVESTMENT (HONG KONG) PTY LIMITED | Private company limited by shares | Dissolved |
| GOLDWIND INTERNATIONAL MUSSELSHELL LIMITED | Private company limited by shares | Live |
| MUSSI GALORE DESIGN LIMITED | Private company limited by shares | Dissolved |
| Mussi Ecology Innovation Limited | Private company limited by shares | Live |
| MUSSON HOLDING CO., LIMITED | Private company limited by shares | Dissolved |
| MUST WIN LIMITED | Private company limited by shares | Dissolved |
| FOR MUST LIMITED | Private company limited by shares | Dissolved |