| MLG Vehicle Hire Ltd | Administrative & support | 2019 |
| MLH Property Ltd | Real estate | 2018 |
| MLJ Consultants Limited | Professional & scientific | 2024 |
| MLJ Elite Sports Agency Ltd | Professional & scientific | 2026 |
| MLK Online Ltd | Administrative & support | 2017 |
| MLM Home Interiors Ltd | Professional & scientific | 2025 |
| MLM Luxury Designs Ltd | Professional & scientific | 2025 |
| Mlofthouseelec Ltd | Construction | 2026 |
| MLR Property Investment Limited | Real estate | 2025 |
| Mlrsullivan Limited | Construction | 2019 |
| Mlsb Groundworks Ltd | Construction | 2026 |
| Mlss Developments Limited | Construction | 2020 |
| MLW Plumbing & Heating Services Ltd | Construction | 2020 |
| MM (NW) Limited | Wholesale & retail | 2026 |
| MM 2017 Limited | Hospitality | 2017 |
| MM 471 Ltd | Hospitality | 2025 |
| MM Business Analysis Ltd | Administrative & support | 2025 |
| MM Business Consultancy Limited | Professional & scientific | 2012 |
| MM Creative Solutions Limited | Administrative & support | 2015 |
| MM Electrical NW Ltd | Construction | 2023 |
| MM Facades Ltd | Construction | 2023 |
| MM Health Limited | Health & social care | 2019 |
| MM Holding Empire Ltd | Real estate | 2026 |
| MM Properties (Liverpool) Limited | Real estate | 2025 |
| MM Properties (North West) Limited | Real estate | 2018 |
| MM Quantity Surveying Ltd | Professional & scientific | 2021 |
| MM Settle Cars Limited | Administrative & support | 2017 |
| Mm&B Limited | Real estate | 2016 |
| MMA Academy Limited | Arts & recreation | 2009 |
| MMA Defence WH Ltd | Other services | 2025 |
| MMA Design & Project Management Ltd | Professional & scientific | 2019 |
| Mma's Braids &Bites Limited | Hospitality | 2025 |
| Mmak Goods & Services Limited | Wholesale & retail | 2026 |
| Mmasi Ltd | Construction | 2024 |
| MMC (Liverpool) Ltd | Transport & logistics | 2011 |
| MMC Care Limited | Health & social care | 2025 |
| MMC Installations Ltd | Construction | 2025 |
| MMC Management Services Limited | Professional & scientific | 2012 |
| MMC Technical Ltd | Professional & scientific | 2025 |
| MMC Training Limited | Education | 2025 |
| Mmcg Consultancy Services Limited | Information & communication | 2013 |
| Mmcg Group Ltd | Financial services | 2022 |
| Mmcm Investments Ltd | Real estate | 2019 |
| Mmcm Lettings Ltd | Real estate | 2026 |
| MME (UK) Ltd | Wholesale & retail | 2012 |
| MME Renovations Ltd | Real estate | 2021 |
| MMG Store Ltd | Wholesale & retail | 2024 |
| MMH Eco Solutions Limited | Construction | 2024 |
| MMH Group Holdings Ltd | Professional & scientific | 2019 |
| MMH International Ltd | Wholesale & retail | 2021 |
| MMH Properties (Liverpool) Limited | Real estate | 2021 |
| MMH Trading Limited | Professional & scientific | 2015 |
| MMH Worldwide Ltd | Health & social care | 2025 |
| Mmhaus Ltd Limited | Other services | 2026 |
| MMJ Properties Limited | Real estate | 2022 |
| MML AH Limited | Hospitality | 2024 |
| MML Ductwork Limited | Manufacturing | 2020 |
| MMM Residences Ltd | Real estate | 2024 |
| Mmmm Properties Ltd | Real estate | 2025 |
| MMS Logistics Services Ltd | Construction | 2016 |
| MMS Projects Ltd | Hospitality | 2025 |
| Mms+Services Ltd | Construction | 2020 |
| Mmsab Properties Ltd | Real estate | 2021 |
| MMSC1000 Ltd | Administrative & support | 2026 |
| MMU Construction Ltd | Construction | 2024 |
| MMU Properties Limited | Real estate | 2020 |
| Mmxm Ltd | Financial services | 2025 |
| MMZ Trans Ltd | Transport & logistics | 2019 |
| MN Arts Ltd | Arts & recreation | 2024 |
| MN Labs Ltd | Information & communication | 2026 |
| MN Store Liverpool Ltd | Wholesale & retail | 2025 |
| MNA Design Ltd | Professional & scientific | 2011 |
| MNA Properties Limited | Real estate | 2019 |
| MNA Properties Southport Limited | Real estate | 2023 |
| MNC Community Ltd | Health & social care | 2021 |
| MNI Restaurants Ltd | Hospitality | 2025 |
| MNO Food Limited | Hospitality | 2020 |
| MNO Ltd | Professional & scientific | 2024 |
| MNS Food Store Ltd | Wholesale & retail | 2019 |
| Mntc Property Ltd | Real estate | 2024 |
| Mnzl Limited | Manufacturing | 2022 |
| MO Mo's (Liverpool) Limited | Hospitality | 2020 |
| MO Nice Barber Ltd | Other services | 2022 |
| MO One Healthcare Limited | Health & social care | 2018 |
| MO Tiling Service Ltd | Construction | 2025 |
| MO Trading Motor Ltd | Extraterritorial | 2025 |
| MO Valuations Holdings Ltd | Financial services | 2023 |
| MO Valuations Ltd | Professional & scientific | 2021 |
| MO Wash Car Limited | Administrative & support | 2024 |
| Mo's Car Repairs South Liverpool Ltd | Wholesale & retail | 2026 |
| Mo's Kitchen Ltd | Hospitality | 2022 |
| Mo's Newsagent Ltd | Wholesale & retail | 2021 |
| Moafster Limited | Real estate | 2020 |
| Moana Hair & Cosmetics Ltd | Wholesale & retail | 2024 |
| Moar & Butler Limited | Professional & scientific | 1959 |
| MOB (North West) Limited | Professional & scientific | 2024 |
| MOB Asset Holdings Limited | Administrative & support | 2025 |
| MOB Bridal Ltd | Wholesale & retail | 2023 |
| Mobi Nest Limited | Wholesale & retail | 2026 |
| Mobi Vape Town Ltd | Wholesale & retail | 2024 |