| MELLO LIMITED | Private company limited by shares | Dissolved |
| MELLOFAIR INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| MELLOFORD INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| MelloJello Limited | | Live |
| MELLON LIMITED | Private company limited by shares | Dissolved |
| Mellon Pet Limited | | Live |
| ABN AMRO MELLON ASIA LIMITED | Private company limited by shares | Dissolved |
| MELLON ASIA LIMITED | Private company limited by shares | Dissolved |
| HONGJI MELLON BROTHERS COMPANY LIMITED | | Live |
| MELLON CAPITAL LIMITED | Private company limited by shares | Live |
| Mellon Win Trade Co., Limited | Private company limited by shares | Live |
| MELLON ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| MELLON GROUP LIMITED | Private company limited by shares | Live |
| MELLON HILL LIMITED | Private company limited by shares | Live |
| MELLON HOLDING LIMITED | Private company limited by shares | Dissolved |
| Mellon Immigration Limited | Private company limited by shares | Live |
| MELLON INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| JACK MELLON INVESTMENT(CHINA)CO., LIMITED | Private company limited by shares | Live |
| BNY Mellon Managed Investments Limited | Private company limited by shares | Live |
| Mellon Technology Limited | Private company limited by shares | Live |
| MELLON INNOVATION TECHNOLOGY LIMITED | Private company limited by shares | Live |
| MELLONGI ELECTRONICS (HK) LIMITED | Private company limited by shares | Dissolved |
| ST. MELLONS LIMITED | Private company limited by shares | Dissolved |
| MELLOR LIMITED | Private company limited by shares | Dissolved |
| Mellor Limited | Private company limited by shares | Live |
| MELLOT COMPANY LIMITED | Private company limited by shares | Dissolved |
| Melloty Limited | | Live |
| MELLOW LIMITED | Private company limited by shares | Dissolved |
| MELLOW TOP LIMITED | Private company limited by shares | Live |
| Mellow App Limited | Private company limited by shares | Live |
| Ac Mellow Limited | Private company limited by shares | Live |
| MELLOW LIMITED | Private company limited by shares | Live |
| MELLOW MELLOW LIMITED | | Live |
| Mellow Asia Limited | Private company limited by shares | Live |
| BAAKO MELLOW LIMITED | Private company limited by shares | Dissolved |
| Mellow Beauty Company Limited | Private company limited by shares | Live |
| Mellow Bees (Hong Kong) Limited | Private company limited by shares | Live |
| MELLOW BROOK COMPANY LIMITED | Private company limited by shares | Live Commenced dormancy on 30-Oct-2012 |
| Mellow Cats Limited | Private company limited by shares | Live |
| MELLOW CHASE LIMITED | Private company limited by shares | Live |
| MELLOW YELLOW (CHINA) LIMITED | Private company limited by shares | Live |
| MELLOW GLASSES CO., LIMITED | Private company limited by shares | Dissolved |
| Mellow Melody Co., Limited | Private company limited by shares | Live |
| Mellow Coffee Limited | | Live |
| Cotton Mellow Limited | | Live |
| MELLOW CROWN LIMITED | Private company limited by shares | Live |
| Mellow Dragon Limited | Private company limited by shares | Live |
| MELLOW FLUID POWER SYSTEM LIMITED | Private company limited by shares | Dissolved |
| MELLOW AND FULL LIMITED | Private company limited by shares | Live |
| MELLOW FULL LIMITED | Private company limited by shares | Live |
| MELLOW GRAND GLOBAL LIMITED | Private company limited by shares | Dissolved |
| MELLOW SHOES AND SPORTING GOODS LIMITED | Private company limited by shares | Live |
| MELLOW (HONG KONG) COMPANY LIMITED | Private company limited by shares | Live |
| Mellow EC Hong Kong Limited | | Live |
| Mellow Industrial Co., Limited | Private company limited by shares | Live |
| MELLOW DIGITAL INNOVATIONS CO., LIMITED | Private company limited by shares | Dissolved |
| MELLOW INVESTMENT COMPANY, LIMITED | Private company limited by shares | Dissolved |
| MELLOW JOURNEY SHIPPING LIMITED | Private company limited by shares | Live |
| Mellow Lighting Limited | Private company limited by shares | Live |
| MELLOW MANAGEMENT LIMITED | Private company limited by shares | Live |
| Mellow Technology and Management Limited | | Live |
| Mellow Metal Co. Limited | Private company limited by shares | Live |
| Mellow and More Limited | | Live |
| Mellow People Limited | Private company limited by shares | Live |
| RISE MELLOW LIMITED | Private company limited by shares | Live |
| MELLOW SHOES COMPANY LIMITED | Private company limited by shares | Dissolved |
| The Mellow Wines and Spirits Limited | | Live |
| MELLOW STUDIO LIMITED | Private company limited by shares | Dissolved |
| MELLOW TECH LIMITED | Private company limited by shares | Live |
| MELLOW TRADING LIMITED | Private company limited by shares | Dissolved |
| MELLOW TRADING LIMITED | Private company limited by shares | Live |
| Mellow Wine Trading Company Limited | Private company limited by shares | Live |
| MELLOW WISDOM COMPANY LIMITED | Private company limited by shares | Dissolved |
| MELLOW YELLOW LIMITED | Private company limited by shares | Dissolved |
| MELLOWDAYS LIMITED | Private company limited by shares | Live |
| Mellower Coffee (HK) Co., Limited | Private company limited by shares | Live |
| SPAIN MELLOWIN GROUP DEVELOP LIMITED | Private company limited by shares | Live |
| MELLOWLAC (HK) LIMITED | Private company limited by shares | Dissolved |
| MELLOWNEW LIMITED | Private company limited by shares | Live |
| MELLOWOOD COMPANY LIMITED | Private company limited by shares | Live |
| MELLOWS (CHINA) LIMITED | Private company limited by shares | Live |
| Mellow's Meadow Group Limited | | Live |
| MELLOWS COSMETICS (HK) LIMITED | Private company limited by shares | Live |
| MELLOWSCOPE LIMITED | Private company limited by shares | Live |
| MELLOX LIMITED | Private company limited by shares | Live |
| MELLOX INVESTMENT LIMITED | Private company limited by shares | Live |
| MELLOY LIMITED | Private company limited by shares | Dissolved |