| Mill Lane Burgers Ltd | Hospitality | 2025 |
| Mill Lane Management Company (Liverpool) Limited | Households | 2006 |
| Mill Lane Pizza Ltd | Hospitality | 2021 |
| Mill Lane Property Group Limited | Real estate | 2025 |
| Mill Street News Ltd | Wholesale & retail | 2018 |
| Millam Developments Ltd | Real estate | 2014 |
| Millbury Motor Group (UK) Ltd | Wholesale & retail | 2023 |
| Millennium Court Management (Crosby) Limited | Households | 2000 |
| Millennium Developments (NW) Limited | Real estate | 2021 |
| Millennium Lifestyle Ltd | Wholesale & retail | 2007 |
| Millennium Nails North West Limited | Wholesale & retail | 2005 |
| Millennium Properties Ltd | Real estate | 2023 |
| Miller & Mckew Ltd | Wholesale & retail | 2018 |
| Miller Energy Solutions Limited | Professional & scientific | 2015 |
| Miller Financial Limited | Professional & scientific | 2002 |
| Millers Joinery Contractors Ltd | Construction | 2023 |
| Millfield Public House Limited | Hospitality | 2024 |
| Millfield Road Ltd | Wholesale & retail | 2024 |
| Millie Muscles Coaching Ltd | Arts & recreation | 2024 |
| Millie TS Limited | Information & communication | 2026 |
| Millionaire L1 Ltd | Hospitality | 2025 |
| Millison Boutiques Limited | Other services | 2009 |
| Millmead Optical Group Ltd | Financial services | 2007 |
| Millmotion Ltd | Professional & scientific | 2021 |
| Millon Restaurant (SH) Ltd | Hospitality | 2019 |
| Millon Tandoori Ltd | Hospitality | 2024 |
| Mills Rhos Ltd | Professional & scientific | 2023 |
| Millview Developments Limited | Real estate | 1993 |
| Millward Medical Holdings Ltd | Financial services | 2025 |
| Millward Medical Services Ltd | Professional & scientific | 2024 |
| Millwood Administration Services Ltd | Administrative & support | 2019 |
| Millwood Court (Liverpool) Management Company Ltd | Households | 2015 |
| Millwood Creations Limited | Manufacturing | 2025 |
| Millwood Financial Recruitment Ltd | Administrative & support | 2019 |
| Millwood Group Ltd | Administrative & support | 2019 |
| Milly Mini Market Limited | Wholesale & retail | 2024 |
| Millzy 11 Limited | Arts & recreation | 2025 |
| Milman Services Ltd | Construction | 2026 |
| Milmo Commercial Ltd | Hospitality | 2024 |
| Milogsd Limited | Professional & scientific | 2025 |
| Milon Ltd | Hospitality | 2025 |
| Milplan Finance Limited | Financial services | 1971 |
| Milsom Trading Limited | Professional & scientific | 2014 |
| Milton Decorators Limited | Construction | 2018 |
| Milton Estates North West Ltd | Construction | 2023 |
| Miltons (Liverpool) Limited | Wholesale & retail | 1971 |
| Miltons Diamonds Limited | Wholesale & retail | 2020 |
| Milweb Developments Limited | Construction | 2026 |
| Milweb Lettings Ltd | Real estate | 2023 |
| Mimi Consultancy Ltd | Professional & scientific | 2024 |
| Mimshach Holdings Ltd | Financial services | 2022 |
| Mimsp Limited | Information & communication | 2014 |
| MIN FA Limited | Hospitality | 2023 |
| Minara Farm Ltd | Wholesale & retail | 2024 |
| Minawi Investments Limited | Extraterritorial | 2014 |
| Mina’S Care Limited | Public administration | 2022 |
| Minchellas Hair Ltd | Other services | 2011 |
| Minchevi Ltd | Manufacturing | 2026 |
| Mind Balance Center Ltd | Education | 2025 |
| Mind Balance Solutions CIC | Health & social care | 2019 |
| Mind Body Blossom Limited | Health & social care | 2021 |
| Mind Class Limited | Health & social care | 2021 |
| Mind Connect Mental Health CIC | Education | 2023 |
| Mind Matters Healing Ltd | Health & social care | 2022 |
| Mind Moves Services CIC | Education | 2020 |
| Mind Reach Limited | Health & social care | 2025 |
| Mindball Ltd | Health & social care | 2026 |
| Mindcove Ltd | Information & communication | 2025 |
| Mindffulharmonywithpatricialawless Ltd | Health & social care | 2025 |
| Mindful Care Group Ltd | Health & social care | 2026 |
| Mindful Coffee Shop Ltd | Hospitality | 2026 |
| Mindful Futures NW Ltd | Health & social care | 2024 |
| Mindful Matters Training Ltd | Education | 2024 |
| Mindful Parent Club Ltd | Other services | 2024 |
| Mindful People Community CIC | Health & social care | 2016 |
| Mindless Academy Ltd | Education | 2019 |
| Mindmark Solutions Ltd | Information & communication | 2025 |
| Mindrive Supplements Ltd | Wholesale & retail | 2025 |
| Mindset Matters NW CIC | Education | 2021 |
| Mindset Sports & Learning Academy CIC | Education | 2026 |
| Mindset Training and Consultancy Limited | Education | 2026 |
| Mindshift Consult Ltd | Real estate | 2025 |
| Mindtap Ltd | Education | 2024 |
| Mindwell Healthcare Ltd | Health & social care | 2026 |
| Mine Application Limited | Information & communication | 2018 |
| Minerva Design and Build Ltd | Construction | 2023 |
| Minerva Education Limited | Education | 2015 |
| Minet Group | Financial services | 1959 |
| Minetta Capital Partners Ltd | Professional & scientific | 2022 |
| Minev Ltd | Transport & logistics | 2022 |
| Mini Code Breakers Liverpool Ltd | Education | 2022 |
| Mini Go Transfers Ltd | Transport & logistics | 2025 |
| Mini Madams Ltd | Other services | 2017 |
| Mini Market(Wavertree) Ltd | Wholesale & retail | 2019 |
| Mini Moxons CIC | Agriculture & fishing | 2022 |
| Mini Villagers Co. Ltd | Hospitality | 2025 |
| Minim Medical Ltd | Health & social care | 2022 |
| Minmins Nailstudio Ltd | Other services | 2024 |
| Minotaur Land and Building Limited | Real estate | 2019 |
| Minotaur Media Limited | Professional & scientific | 2020 |