| Magic Mavo Studio Limited | Private company limited by shares | Live |
| Mahanavo Studio Limited | Private company limited by shares | Live |
| Majesty Studio Company Limited | Private company limited by shares | Live |
| Makchi Studio Limited | Private company limited by shares | Live |
| Makeitfun Studio Limited | Private company limited by shares | Live |
| Maker Studio HK Limited | | Live |
| Love Makeup Studio Limited | Private company limited by shares | Live |
| Mamaday Studio Limited | Private company limited by shares | Live |
| Mammoth Studio Limited | Private company limited by shares | Live |
| MANANA STUDIO LIMITED | Private company limited by shares | Live |
| KEVIN AND MANDY ART STUDIO LIMITED | Private company limited by shares | Live |
| MANTIS STUDIO LIMITED | Private company limited by shares | Live |
| Marcato Studio Company Limited | Private company limited by shares | Live |
| March Studio Company Limited | | Live |
| Marcotomato Fx Studio Company Limited | Private company limited by shares | Live |
| MARGOZ DESIGN STUDIO LIMITED | Private company limited by shares | Live |
| Mark Studio Limited -The- | Private company limited by shares | Live |
| MARS Studio Limited | Private company limited by shares | Live |
| MARVEL STUDIO LIMITED | Private company limited by shares | Dissolved |
| MAUM STUDIO LIMITED | Private company limited by shares | Live |
| Mavo Studio Limited | Private company limited by shares | Live |
| MAXNUT STUDIO LIMITED | Private company limited by shares | Live |
| MDD9 DESIGN STUDIO LIMITED | Private company limited by shares | Live |
| MDDM STUDIO LIMITED | Private company limited by shares | Live |
| MEETNIGHT STUDIO LIMITED | Private company limited by shares | Live |
| MegaJoy Studio Limited | | Live |
| Studio MEHH Limited | Private company limited by shares | Live |
| MEKING STUDIO LIMITED | Private company limited by shares | Live |
| Studio Melt Limited | Private company limited by shares | Live Commenced dormancy on 18-Jul-2018 |
| MEMENTO STUDIO LIMITED | Private company limited by shares | Dissolved |
| Mermaid Studio Limited | Private company limited by shares | Live |
| METAL BEAR STUDIO LIMITED | Private company limited by shares | Live |
| METAL STUDIO CO., LIMITED | Private company limited by shares | Live |
| PKP Metaphysics Studio Limited | | Live |
| Meteor Studio Limited | | Live |
| MICHEL DANCING STUDIO LIMITED | Private company limited by shares | Live |
| MICHEL'S CHINESE ARTISTIC STUDIO COMPANY LIMITED | Private company limited by shares | Live |
| Midway Studio Limited | Private company limited by shares | Live |
| MIKE GILMORE STUDIO LIMITED | Private company limited by shares | Dissolved |
| MILKTEA STUDIO LIMITED | Private company limited by shares | Dissolved |
| MILUNA STUDIO LIMITED | Private company limited by shares | Live |
| Art of Mind Studio Limited | | Live |
| MIND & SOUL STUDIO LIMITED | Private company limited by shares | Live |
| MINDFUL FITNESS STUDIO LIMITED | Private company limited by shares | Live |
| Studio Mindseeds HK Limited | Private company limited by shares | Live |
| Minimal Studio Limited | | Live |
| Miniman Studio Limited | Private company limited by shares | Live |
| minimind studio Limited | Private company limited by shares | Live |
| Minor Studio Limited | Private company limited by shares | Live |
| Ape Minor Studio Limited | | Live |
| Mint Studio Limited | Private company limited by shares | Live |
| MINT BOX STUDIO LIMITED -THE- | Private company limited by shares | Live |
| Minted Studio Limited | Private company limited by shares | Live |
| A MINUTE STUDIO LIMITED | Private company limited by shares | Live |
| 90 Minutes Film Studio Limited | Private company limited by shares | Live |
| Miracle Studio Company Limited | Private company limited by shares | Live |
| Mirela Studio Limited | | Live |
| Mission Studio Limited | Private company limited by shares | Live |
| MISSION K. STUDIO LIMITED | Private company limited by shares | Live |
| MMXX Studio Limited | | Live |
| Mobileidea Studio Limited | Private company limited by shares | Live |
| MODDER.W STUDIO LIMITED | | Live |
| JL NI MOLDING STUDIO LIMITED | Private company limited by shares | Live |
| MOMANT STUDIO LIMITED | Private company limited by shares | Live |
| STRING MOMENT MUSIC STUDIO LIMITED | Private company limited by shares | Live |
| Moneky Studio Limited | Private company limited by shares | Live |
| Mono12 Studio Limited | Private company limited by shares | Live |
| MONOTYPE STUDIO LIMITED | Private company limited by shares | Live |
| MONSTER STUDIO LIMITED | Private company limited by shares | Live |
| MOOG STUDIO LIMITED | Private company limited by shares | Dissolved |
| MAN ON MOON STUDIO LIMITED | Private company limited by shares | Dissolved |
| Moon Men Studio Limited | Private company limited by shares | Live |
| Moon Studio Limited | | Live |
| Morning Studio Limited | Private company limited by shares | Dissolved |
| Morph Studio Limited | | Live |
| MOSAIC ART STUDIO LIMITED | | Live |
| Mosso Studio Limited | Private company limited by shares | Live |
| MOSUCO STUDIO LIMITED | Private company limited by shares | Live |
| MOVA STUDIO LIMITED -THE- | Private company limited by shares | Live |
| Movement Studio Limited | Private company limited by shares | Live |
| M.R. Studio Limited | Private company limited by shares | Live |
| MUICH Studio Limited | | Live |
| Multi Green Studio Limited | Private company limited by shares | Live |
| MULTI-COLOUR WEDDING STUDIO CO. LIMITED | Private company limited by shares | Dissolved |
| MURAL STUDIO LIMITED | Private company limited by shares | Live |
| MURASAKI STUDIO LIMITED | Private company limited by shares | Live |
| Studio MUSE Limited | Private company limited by shares | Live |
| H&M Music Studio Limited | Private company limited by shares | Live |
| AP Music Studio Limited | Private company limited by shares | Live |
| JJ Music Studio Limited | | Live |
| RED. K MUSIC AGENT STUDIO LIMITED | Private company limited by shares | Dissolved |
| ANGEL MUSIC STUDIO LIMITED | Private company limited by shares | Dissolved |
| Aura Music Studio Company Limited | Private company limited by shares | Live |
| Banana Art and Music Studio Limited | Private company limited by shares | Live |
| Chinese Music Studio Limited | Private company limited by shares | Live |
| JOYCE MUSIC STUDIO LIMITED | Private company limited by shares | Dissolved |
| Mermaid Music Studio Limited | | Live |
| SANDRA'S MUSIC STUDIO LIMITED | Private company limited by shares | Live |
| Starlight Music Studio Limited | Private company limited by shares | Live |
| SUNFLOWER MUSIC STUDIO LIMITED | Private company limited by shares | Live |