| HUANG LUNG TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| Luxonus Technologies Limited | Private company limited by shares | Live |
| LUXOR TECHNOLOGIES TRADE COMPANY LIMITED | Private company limited by shares | Dissolved |
| Lycheung Technologies Co., Limited | | Live |
| MACDRAGON TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| MACEY TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| Machpela Technologies Limited | Private company limited by shares | Live |
| Macsic Technologies Limited | | Live |
| Madhouse Technologies Limited | Private company limited by shares | Live |
| MAGIC DIGITAL TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| MAGIC DRAGON TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| Magic Mobility Technologies Limited | | Live |
| MAGIC TIME TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| MagicWare Computing Technologies Limited | | Live |
| Magipop Technologies Limited | | Live |
| MAGISTRA TECHNOLOGIES COMPANY LIMITED | Private company limited by shares | Dissolved |
| MAHATI TECHNOLOGIES PVT LIMITED | Private company limited by shares | Live |
| MAIDA VALE TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| Ico Main Technologies Limited | Private company limited by shares | Live |
| MAIN FIRST TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| MAIN FIRST TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| MAINCO TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| Maines Technologies Limited | Private company limited by shares | Live |
| Mainframe Technologies Limited | Private company limited by shares | Live |
| NEW MAINLAND TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| Mainland Ark Technologies Limited | | Live |
| MAINRICH TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| MAINSTREAM TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| MAINTECH TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| MAINTECH TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| MAINTOP TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| MAINWAY TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| MAINWAY TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| MAINWELL TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| MAISON TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| MAITA TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| Male Technologies (Hong Kong) Limited | Private company limited by shares | Live |
| MALINUX TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| AUTOMATION&POWER MANAGEMENT TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| Msheaf Health Management Technologies Limited | Private company limited by shares | Live |
| TECHNOLOGIES INVESTMENT MANAGEMENT LIMITED | Private company limited by shares | Dissolved |
| Lightscape Technologies Management Limited | Private company limited by shares | Live |
| RESTAURANT MANAGEMENT TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| SKYWALK MANAGEMENT TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| ManagingNext Technologies Limited | Private company limited by shares | Live |
| MANE TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| MANGO TECHNOLOGIES COMPANY LIMITED | Private company limited by shares | Live |
| Mango Tree Technologies Limited | Private company limited by shares | Live |
| MANIRICH TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| MANLY TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| Mansang Technologies Limited | Private company limited by shares | Live |
| MANTEIA TECHNOLOGIES HK LIMITED | Private company limited by shares | Live |
| MantisVision Technologies (Hong Kong) Limited | Private company limited by shares | Live |
| AT MANUFACTURING TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| ANPIN MANUFACTURING TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| PACIFIC RIM TECHNOLOGIES AND MANUFACTURING LIMITED | Private company limited by shares | Live |
| T Technologies Power Products Manufacturing Limited | Private company limited by shares | Live |
| MANWELL TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| Mag Mara Technologies (Asia) Limited | Private company limited by shares | Live |
| MARBO TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| MARCO TECHNOLOGIES CO., LIMITED | Private company limited by shares | Dissolved |
| MARINE TECHNOLOGIES HK LIMITED | Private company limited by shares | Dissolved |
| MARINE TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| ADVANCED MARINE TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| Marine Technologies and Licensing Limited | | Live |
| 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 |