| MONOLITH TRADE LIMITED | Private company limited by shares | Live |
| Monolithe Capital Management Limited | Private company limited by shares | Live |
| ADVANCED MONOLITHIC SYSTEMS LIMITED | Private company limited by shares | Live |
| Monolito Limited | Private company limited by shares | Live |
| Monolo Trade Limited | Private company limited by shares | Live |
| MONOLOGUE OF CAT CATERING MANAGEMENT LIMITED | Private company limited by shares | Live |
| FOREST MONOLOGUE CATERING MANAGEMENT LIMITED | Private company limited by shares | Live |
| Monologue Production Limited | Private company limited by shares | Dissolved |
| MONOLONG PACIFIC LIMITED | Private company limited by shares | Live |
| Monolox Limited | Private company limited by shares | Live |
| MONOMAKH LIMITED | Private company limited by shares | Dissolved |
| MONOMEX LIMITED | Private company limited by shares | Dissolved |
| MONOMIAL COMPANY LIMITED | Private company limited by shares | Live |
| MONOMODE LIMITED | Private company limited by shares | Dissolved |
| Monomono Limited -The- | Private company limited by shares | Live |
| MONOMONOS GROUP LIMITED | Private company limited by shares | Live |
| MONOMOTO CO., LIMITED | Private company limited by shares | Live |
| Mononuclear Therapeutics Limited | Private company limited by shares | Live |
| Monoo Limited | | Live |
| MONOONE LIMITED | Private company limited by shares | Dissolved |
| MONOPIA H. K. CO., LIMITED | Private company limited by shares | Live |
| MONOPLANE COMPANY LIMITED | Private company limited by shares | Dissolved |
| MONOPLEX LIMITED | Private company limited by shares | Dissolved |
| MONOPLUS LIMITED | Private company limited by shares | Live |
| MONOPODIUM LIMITED | Private company limited by shares | Dissolved |
| Monopole Cellar Limited | Private company limited by shares | Live |
| DE LA CROIX MONOPOLE LIMITED | Private company limited by shares | Live |
| WINE MONOPOLE LIMITED | Private company limited by shares | Live |
| MONOPOLY COMPANY LIMITED | Private company limited by shares | Dissolved |
| MONOPOLY LIMITED | Private company limited by shares | Live |
| MONOPOLY MKT LIMITED | Private company limited by shares | Live |
| UK Monopoly Limited -The- | Private company limited by shares | Live |
| Sino-foreign Famous Anti-fake Calligraphy & Painting Treasures Monopoly Limited | Private company limited by shares | Live |
| monopolymer Limited | | Live |
| MONOPOWER GREEN TECH COMPANY LIMITED | Private company limited by shares | Live |
| MONOPRIX LIMITED | | Live |
| MONOR HK LIMITED | Private company limited by shares | Dissolved |
| MONORQUE LIMITED | Private company limited by shares | Dissolved |
| MONOS AGENCY CO., LIMITED | Private company limited by shares | Live |
| Monos Group (Hong Kong) Limited | | Live |
| Monos International Limited | Private company limited by shares | Live |
| MONOS TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| monos works international company Limited | Private company limited by shares | Live |
| MonotaRo Group Co., Limited | | Live |
| MONOTAVI TRADE LIMITED | Private company limited by shares | Live |
| MONOTONE LIMITED | Private company limited by shares | Live |
| MONOTONIC LIMITED | Private company limited by shares | Live |
| MONO-TONO ASIA COMPANY LIMITED | Private company limited by shares | Live |
| MONOTRON COMPANY LIMITED | Private company limited by shares | Dissolved |
| MONOVAST LIMITED | Private company limited by shares | Live |
| MONOWORK Limited | Private company limited by shares | Live |
| MONOXIDIZE Limited | Private company limited by shares | Dissolved |