| MAYEE MARKETING LIMITED | Private company limited by shares | Dissolved |
| McGrory Marketing Limited | Private company limited by shares | Live |
| HR MARKETING & MEDIA LIMITED | Private company limited by shares | Dissolved |
| J & A Marketing and Media Company Limited | | Live |
| Yoho Marketing & Media Limited | Private company limited by shares | Live |
| Asian Medical Marketing Limited | Private company limited by shares | Live |
| MEDICAL MARKETING GROUP LIMITED | Private company limited by shares | Dissolved |
| Bioroy Medical Marketing Planning Limited | Private company limited by shares | Live |
| MEDICARE MARKETING LIMITED | Private company limited by shares | Live |
| MediHunter Marketing Company Limited | Private company limited by shares | Live |
| MEGA MARKETING & MEDIA COMPANY LIMITED | Private company limited by shares | Live |
| MEGAMIND MARKETING LIMITED | Private company limited by shares | Dissolved |
| MEGANET MARKETING LIMITED | Private company limited by shares | Dissolved |
| MEGAPHONE MARKETING COMPANY LIMITED | Private company limited by shares | Dissolved |
| Megarich Marketing Limited | | Live |
| MEKO Marketing Limited | Private company limited by shares | Live |
| Meliora Marketing Limited | | Live |
| Melipan Marketing Research Limited | Private company limited by shares | Live |
| MELITTA MARKETING ( H.K. ) LIMITED | Private company limited by shares | Dissolved |
| MEMBERSHIP MARKETING AND MANAGEMENT LIMITED | Private company limited by shares | Dissolved |
| MENSA MARKETING LIMITED | Private company limited by shares | Live |
| ASIA MERCHANDISE AND MARKETING CORPORATION LIMITED | Private company limited by shares | Live |
| Meridian Marketing (HK) Limited | Private company limited by shares | Live |
| MERIDIAN MARKETING INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| MERIT MARKETING SPECIALIST LIMITED | Private company limited by shares | Live |
| MERLIN MARKETING LIMITED | Private company limited by shares | Dissolved |
| MERLIN MARKETING LIMITED | Private company limited by shares | Dissolved |
| MERMAID MARKETING LIMITED | Private company limited by shares | Dissolved |
| MESSAGE MULTIMEDIA AND MARKETING COMPANY LIMITED | Private company limited by shares | Dissolved |
| Meta Creation Marketing Agency Limited | | Live |
| Meta Marketing Solutions Limited | | Live |
| METIME MARKETING LIMITED | | Live |
| M.H. MARKETING LIMITED | Private company limited by shares | Live |
| Miao Event and Marketing Limited | Private company limited by shares | Live |
| MICRO-CARE 21 MARKETING LIMITED | Private company limited by shares | Dissolved |
| MicroPower Marketing Co. Limited | Private company limited by shares | Live |
| MICROTRONICS MARKETING LIMITED | Private company limited by shares | Dissolved |
| MIDLAND MARKETING LIMITED | Private company limited by shares | Live |
| MIEUX MARKETING LIMITED | Private company limited by shares | Live |
| MIKI Marketing Limited | Private company limited by shares | Dissolved |
| MILLENIUM MARKETING LIMITED | Private company limited by shares | Live |
| Millennium Marketing Co., Limited | Private company limited by shares | Live |
| MILLENNIUM MARKETING INTERNATIONAL LIMITED | Private company limited by shares | Live |
| MILLIONWAYS MARKETING COMPANY LIMITED | Private company limited by shares | Live |
| MILLRACE MARKETING HK LIMITED | Private company limited by shares | Live |
| MINC MARKETING CHINA LIMITED | Private company limited by shares | Live |
| Marketing Minds Limited | | Live |
| Mine Key Marketing Limited | Private company limited by shares | Live |
| MINERAL MARKETING LIMITED | Private company limited by shares | Dissolved |
| Mint Marketing Limited | Private company limited by shares | Live |
| Miracle Marketing Limited | Private company limited by shares | Dissolved |
| Miracle Marketing Limited | | Live |
| MIRACLE MARKETING INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| Miro Marketing Limited | | Live |
| MISS MARKETING LIMITED | Private company limited by shares | Dissolved |
| Miss 25 Marketing Company Limited | Private company limited by shares | Live |
| MISS KATE MARKETING LIMITED | Private company limited by shares | Dissolved |
| MISSION MARKETING LIMITED | Private company limited by shares | Live |
| MISSION PRO MARKETING LIMITED | | Live |
| MixMax Marketing Limited | Private company limited by shares | Live |
| MKKM Digital Marketing Company Limited | Private company limited by shares | Live |
| Mntn Marketing Limited | Private company limited by shares | Live |
| MOBIL LPG MARKETING COMPANY LIMITED | Private company limited by shares | Dissolved |
| Modalife Marketing Limited | | Live |
| MODERN MARKETING LIMITED | Private company limited by shares | Live |
| Marketing of Modern Art Limited | Private company limited by shares | Live |
| MODERN POINT MARKETING COMPANY LIMITED | Private company limited by shares | Live |
| MOHAN'S MARKETING LIMITED | Private company limited by shares | Dissolved |
| Molecule Marketing Limited -The- | Private company limited by shares | Live |
| Moment Design & Marketing Co. Limited | Private company limited by shares | Dissolved |
| M-ONE MARKETING COMPANY LIMITED | Private company limited by shares | Dissolved |
| M-ONE MARKETING PRODUCTION LIMITED | Private company limited by shares | Dissolved |
| MONEYSTAR PR AND MARKETING LIMITED | Private company limited by shares | Dissolved |
| MONGKOK Marketing Limited | Private company limited by shares | Dissolved |
| Monkey Marketing Limited | Private company limited by shares | Dissolved |
| Monopoly Marketing Limited | Private company limited by shares | Live |
| MONTROSE MARKETING LIMITED | Private company limited by shares | Dissolved |
| Moon Marketing Limited | | Live |
| MORE PR & MARKETING LIMITED | Private company limited by shares | Live |
| More More Marketing Limited | | Live |
| MOREALNET MARKETING LIMITED | Private company limited by shares | Live |
| MoreBANANA Marketing Limited | Private company limited by shares | Live |
| MORU MARKETING LIMITED | | Live |
| 1st Mover Marketing Consultant Limited | Private company limited by shares | Dissolved |
| MOVING MARKETING LIMITED | Private company limited by shares | Dissolved |
| MOVON ADVERTISING AND MARKETING LIMITED | Private company limited by shares | Live |
| M.S. Marketing Ads Limited | | Live |
| MUJAF MARKETING COMPANY LIMITED | Private company limited by shares | Dissolved |
| MULTI LEVEL MARKETING LIMITED | Private company limited by shares | Dissolved |
| MULTI-CONCEPTS MARKETING CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| MULTI-LEVEL MARKETING (INTERNATIONAL) LIMITED | Private company limited by shares | Dissolved |
| PROACTIVE MULTIMEDIA MARKETING AGENCY LIMITED | Private company limited by shares | Dissolved |
| ASIA MULTIMEDIA MARKETING LIMITED | Private company limited by shares | Dissolved |
| MULTI-MEDIA MARKETING INTEGRATION LIMITED | Private company limited by shares | Dissolved |
| MULTI-MIX MARKETING COMPANY LIMITED | Private company limited by shares | Dissolved |
| MUNDO MARKETING LIMITED | Private company limited by shares | Dissolved |
| MUSE MARKETING LIMITED | Private company limited by shares | Live |
| MUSE MARKETING STRATEGIES LIMITED | Private company limited by shares | Dissolved |
| Music Marketing HK Limited | Private company limited by shares | Live |
| MUSICBOND ENTERTAINMENT MARKETING COMPANY LIMITED | Private company limited by shares | Live |