| MARITIME TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| CENTRE MARK TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| A2 Market Technologies Limited | | Live |
| Markets Technologies Limited | Private company limited by shares | Live |
| SMART TECHNOLOGIES MARKETS LIMITED | Private company limited by shares | Live |
| Marquis Technologies Limited | Private company limited by shares | Live |
| MARS PLU TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| MARTERY TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| Martian Technologies Limited | Private company limited by shares | Live |
| MARVEL TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| Masan Technologies Limited | Private company limited by shares | Live |
| MASON TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| MASS CREATIVE TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| MASS GLORY TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| MASS TARGET TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| MASSWIDE TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| MASTER TECHNOLOGIES COMPANY LIMITED | Private company limited by shares | Dissolved |
| MASTER TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| MASTER TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| MASTER Technologies HK Limited | Private company limited by shares | Live |
| MATEBOT AI Technologies Limited | Private company limited by shares | Live |
| DAO Material Technologies (Hong Kong) Co., Limited | Private company limited by shares | Live |
| THINKHIGH MATERIAL TECHNOLOGIES CO., LIMITED | Private company limited by shares | Live |
| MERIDIAN ADVANCED MATERIALS AND TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| Matrix U/E Technologies Limited | Private company limited by shares | Live |
| MATRIX UCX TECHNOLOGIES LIMITED | | Live |
| Matrix Digital Technologies Limited | | Live |
| Matrix Network Technologies Limited | Private company limited by shares | Live |
| MATRIXVIEW TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| MAUPERTUIS TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| MAXCO TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| MAXCOOL Technologies Company Limited | Private company limited by shares | Live |
| MAXEYE Smart Technologies Co., Limited | Private company limited by shares | Live |
| MAXFAIR TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| MAXFORCE TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| MAXGLORY TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| MAXI TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| Maximus Technologies Limited | Private company limited by shares | Live |
| MaxPay Technologies Limited | Private company limited by shares | Live |
| MAXPOWER TECHNOLOGIES COMPANY LIMITED | Private company limited by shares | Live |
| Maxpread Technologies Limited | | Live |
| Maxter Technologies Limited | | Live |
| MAXTOP TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| Maxtronic Technologies HK Limited | Private company limited by shares | Live |
| MAXWIN TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| MAYA TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| Maya Technologies Limited | Private company limited by shares | Live |
| Mayi Technologies Limited | Private company limited by shares | Live |
| MAYSON TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| MAYSON TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| M.B. TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| MCORP TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| MEASOR TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| MEASUREMENT TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| MEDCOM TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| Mediafun Technologies Limited | Private company limited by shares | Live |
| MEDIAN Technologies Hong Kong Limited | Private company limited by shares | Live |
| MEDIFORCE TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| MEDIQURE TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| MEDISCIENCE TECHNOLOGIES COMPANY LIMITED | Private company limited by shares | Dissolved |
| MEEBO TECHNOLOGIES CO., LIMITED | Private company limited by shares | Live |
| MEGA OCEAN TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| MegaPort Technologies Limited | Private company limited by shares | Live |
| MEGASONIC TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| Megastars Technologies Limited | Private company limited by shares | Live |
| MEGASTEK TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| MEGASTORE TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| MEGAZO TECHNOLOGIES (ASIA) LIMITED | Private company limited by shares | Live |
| MEGZENT TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| MEKTRON TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| TOP MEMORY TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| Go Memory Technologies Limited | Private company limited by shares | Live |
| MEMOTREK TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| MemX Technologies Limited | | Live |
| MENA TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| MENGWEI TECHNOLOGIES LIMITED | | Live |
| MENYAKO TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| MERCANTILE TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| First Mercantile Technologies Limited | Private company limited by shares | Live |
| MERCUSYS TECHNOLOGIES CO., LIMITED | Private company limited by shares | Live |
| MERU TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| Mesosphere Technologies HK Limited | Private company limited by shares | Live |
| META ON-LINE TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| Metafi Technologies Limited | | Live |
| Metafoam Technologies (Hong Kong) Limited | Private company limited by shares | Dissolved |
| GEM & METAL TECHNOLOGIES PTY LIMITED | Private company limited by shares | Live |
| METALCAM TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| Sinya Metallurgical Technologies Co., Limited | Private company limited by shares | Live |
| MORGAN METALS TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| METALUX TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| METAQUOTES TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| MetaSci Technologies Limited | | Live |
| Meter Technologies Limited | Private company limited by shares | Live |
| ADVANCED METERING AND TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| RICH METRO TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| MICROCENTRIC TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| MICROCHIP LIGHTING TECHNOLOGIES (MLT) INC. LIMITED | Private company limited by shares | Dissolved |
| MICRODERM TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| Microflair Technologies Limited | Private company limited by shares | Live |
| MICROLINE TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |