| LAB Wear Global Limited | Manufacturing | 2026 |
| Labelsolutions UK Limited | Manufacturing | 2005 |
| Lanes Expert Witness Ltd | Professional & scientific | 2025 |
| LCG Inspirations Ltd | Administrative & support | 2023 |
| Lead Property Group Ltd | Construction | 2023 |
| LEE Parry Commercial Services Ltd | Professional & scientific | 2025 |
| Left Brain Plus Ltd | Professional & scientific | 2018 |
| Lehb Holdings Ltd | Real estate | 2025 |
| LEO Nelki Productions Ltd | Information & communication | 2022 |
| Levara Commercial Property Limited | Real estate | 2022 |
| Levara Consultancy Limited | Information & communication | 2021 |
| Lexicon Logistics Limited | Transport & logistics | 2016 |
| LF Dream Developments Ltd | Construction | 2026 |
| Lift Projects Limited | Construction | 2005 |
| Lilybear Contracting Limited | Information & communication | 2014 |
| Lindust Ltd | Administrative & support | 2025 |
| Liverpool Live TV CIC | Information & communication | 2012 |
| Liverpool Poultry Limited | Professional & scientific | 2012 |
| Liverpool Shiva Vishnu Temple Ltd | Health & social care | 2024 |
| Liviu Titu Ltd | Health & social care | 2016 |
| Ljdandsonspropertygroup Ltd | Real estate | 2025 |
| LJN Investments LLP | | 2022 |
| LLH Beauty Salon Limited | Other services | 2026 |
| Lloyd Burrows Properties Ltd | Real estate | 2026 |
| Loaf (Oxton) Ltd | Hospitality | 2026 |
| Local Postal Solutions Ltd | Transport & logistics | 2023 |
| Lockos Competitions Ltd | Administrative & support | 2024 |
| Lomax Physio Limited | Other services | 2013 |
| Looby Lou's Lovely Lunches C.I.C. | Hospitality | 2020 |
| Loom@Living Ltd | Manufacturing | 2026 |
| Loopy Properties Limited | Real estate | 2017 |
| Love UR Dog Limited | Hospitality | 2018 |
| Lucy Lewis Aesthetics Limited | Other services | 2025 |
| Luke Porter Coaching Ltd | Other services | 2020 |
| Luna Cars (Oxton) Limited | Wholesale & retail | 2025 |
| Luna Oxton Limited | Wholesale & retail | 2023 |
| Lunoq Global Electronics Ltd | Wholesale & retail | 2025 |
| Lyftuk C.I.C. | Professional & scientific | 2009 |
| M & E Property Investors Ltd | Real estate | 2021 |
| M a Investment Properties Ltd | Real estate | 2023 |
| M P Contract Services (NW) Limited | Construction | 2014 |
| M&G Garage Servicing Ltd | Wholesale & retail | 2025 |
| M&S Household Movers Ltd | Transport & logistics | 2025 |
| M. D. Auto Repairs Limited | Wholesale & retail | 2022 |
| M.S.H. Painting and Decorating Contractors Limited | Construction | 2018 |
| MAC Professional Ltd | Professional & scientific | 2016 |
| Macpipelines Limited | Administrative & support | 2025 |
| Maha Care Ltd | Health & social care | 2016 |
| Makaan Property Management Ltd | Real estate | 2025 |
| Mako Building Limited | Construction | 2025 |
| Malhotra Awasthi Limited | Health & social care | 2020 |
| Manifest Properties Ltd | Real estate | 2020 |
| Mannacom Limited | Health & social care | 2004 |
| Manor Bourne (NW) Limited | Households | 2023 |
| Mantinghong Ltd | Hospitality | 2025 |
| Manweb Corporate Pension Trustee Limited | Professional & scientific | 2014 |
| MAP Strategies Ltd | Professional & scientific | 2021 |
| Maplebrook Environmental Consultants Limited | Professional & scientific | 2019 |
| Mark Adams Medical Reporting Ltd | Health & social care | 2004 |
| Mark Electrical Limited | Construction | 2016 |
| Mark Humphreys Consulting Ltd | Education | 2018 |
| Marman Property Limited | Real estate | 2011 |
| Masakeen Goods Ltd | Hospitality | 2025 |
| Matila Studios Ltd | Wholesale & retail | 2026 |
| Mayflower Oxton Ltd | Hospitality | 2025 |
| MB Renewables Ltd | Professional & scientific | 2023 |
| Mccp Solutions Ltd | Wholesale & retail | 2025 |
| Mccue Wainwright Limited | Construction | 2022 |
| MCL Cars Ltd | Transport & logistics | 2023 |
| MDR- Locums Ltd | Professional & scientific | 2024 |
| MEC Music Ltd | Arts & recreation | 2018 |
| Medical and Safety Compliance Ltd | Health & social care | 2018 |
| Meraj Financial Consulting Ltd | Administrative & support | 2016 |
| Mercury Franchise School Ltd | Professional & scientific | 2016 |
| Meres Electrical Services Ltd | Construction | 2012 |
| Merida Court Management Limited | Households | 1986 |
| Mersey Properties & Investments Ltd | Real estate | 2020 |
| Merseyside Property Lettings Ltd | Real estate | 2020 |
| Merseyside Sports and Cultural Club Ltd | Education | 2011 |
| MES Transport Limited | Transport & logistics | 2026 |
| Metal Profiles & Flashings Ltd | Manufacturing | 2023 |
| Metanoia Outwear Ltd | Wholesale & retail | 2023 |
| Method Monk Limited | Education | 2021 |
| MF Electrical Contractors Limited | Construction | 2015 |
| Mgjm Limited | Real estate | 2020 |
| Mgkorth Ltd | Health & social care | 2021 |
| MH Pattern and Print Ltd | Construction | 2024 |
| Mhillx Limited | Administrative & support | 2018 |
| MI Soda Familiar Limited | Hospitality | 2025 |
| Miami Mini Market Ltd | Wholesale & retail | 2025 |
| Miguel Carmenes Limited | Other services | 2024 |
| Milk Properties Ltd | Administrative & support | 2021 |
| Millys Painting Ltd | Professional & scientific | 2024 |
| Mire Wirral Ltd | Real estate | 2018 |
| Miriam Healthcare Services Limited | Health & social care | 2023 |
| Mister Drone Ltd | Professional & scientific | 2021 |
| MJA Psv/Hgv Repairs Ltd | Wholesale & retail | 2024 |
| MJM Retail Group Ltd | Wholesale & retail | 2025 |
| MJW Accounts Ltd | Professional & scientific | 2018 |
| MNP Construction Ltd | Construction | 2020 |