| Mysig Investments Limited | Real estate | 2023 |
| Mysignworks (N.W) Ltd | Professional & scientific | 2013 |
| Mysippuk Limited | Other services | 2010 |
| Mystic Morphs Ltd | Wholesale & retail | 2025 |
| Mystical Realms Ltd. | Wholesale & retail | 2022 |
| Mytakeaway Ltd | Hospitality | 2023 |
| Mytbrain CIC | Professional & scientific | 2025 |
| Mytenantrent.Co.Uk Limited | Hospitality | 2016 |
| Mythos Care Limited | Health & social care | 2026 |
| Mythos Support Limited | Health & social care | 2024 |
| Myton Law Limited | Extraterritorial | 2009 |
| Mywallprints Ltd | Professional & scientific | 2025 |
| Myworkwings Ltd | Professional & scientific | 2025 |
| MZ Pretty Ltd | Other services | 2022 |
| MZ Settle Cars Ltd | Administrative & support | 2026 |
| MZ Squared Limited | Professional & scientific | 2023 |
| MZI Security Ltd | Administrative & support | 2025 |
| MZJ Properties Ltd | Real estate | 2019 |
| MZK9 Ltd | Administrative & support | 2025 |
| Mzori Haircut Ltd | Other services | 2025 |
| Mztz Limited | Transport & logistics | 2024 |
| N & a Properties (NW) Ltd | Real estate | 2024 |
| N & G Ceilings and Partitions Ltd | Construction | 2013 |
| N & K Electrical Maintenance Ltd | Construction | 2016 |
| N & M Ventilation Ltd | Wholesale & retail | 2019 |
| N & N'S Fresh Meats Ltd | Wholesale & retail | 2006 |
| N & P Payments Ltd | Administrative & support | 2016 |
| N & P Thai Takeaway Ltd | Hospitality | 2025 |
| N & S Garage Ltd | Wholesale & retail | 2024 |
| N a Electrical Services Limited | Construction | 2003 |
| N and F Properties Limited | Real estate | 2016 |
| N Coote Ltd | Construction | 2017 |
| N D Horrocks Ltd | Construction | 2024 |
| N Davies Installations Ltd | Construction | 2025 |
| N E Plant Services Ltd | Water & waste | 2013 |
| N F Facilities Ltd | Construction | 2026 |
| N F Hopkins Ltd | Construction | 2018 |
| N Hayel Building Ltd | Construction | 2024 |
| N Heather Trading Limited | Professional & scientific | 2022 |
| N J C Thermal Covers (UK) Ltd | Manufacturing | 2011 |
| N J Kenny Merchant Services Limited | Administrative & support | 2012 |
| N Marray Limited | Professional & scientific | 2026 |
| N R J M Management Solutions Ltd | Professional & scientific | 2012 |
| N S Builder Liverpool Ltd | Hospitality | 2025 |
| N S Car & Commercials Ltd | Wholesale & retail | 2015 |
| N T Platt Services Limited | Professional & scientific | 2022 |
| N Waggott Limited | Construction | 2020 |
| N Y Food & Wine Limited | Extraterritorial | 2013 |
| N&J Autos Limited | Wholesale & retail | 2024 |
| N&N Jewellery Limited | Wholesale & retail | 2025 |
| N&N Property Investment & Management Limited | Real estate | 2023 |
| N&T's Little Einsteins LLP | | 2015 |
| N-Ion Sports Technology Limited | Arts & recreation | 2016 |
| N. Brothers Ltd | Manufacturing | 2016 |
| N. D. Palmer Ltd | Health & social care | 2019 |
| N.A & O'Neill Ltd | Health & social care | 2016 |
| N.A.M Developments Ltd | Real estate | 2019 |
| N.A.M Holdings (North West) Ltd | Real estate | 2024 |
| N.B.S International Limited | Households | 2023 |
| N.C.N Property Solutions Ltd | Real estate | 2018 |
| N.E.S.I Properties Limited | Real estate | 2025 |
| N.Fidel Ltd | Wholesale & retail | 2025 |
| N.H.P Trading Limited | Professional & scientific | 2019 |
| N.I.P.I. (Liverpool) Ltd | Construction | 2005 |
| N.J.P Investments (North West) Ltd | Real estate | 2024 |
| N.Jamal Ltd | Health & social care | 2014 |
| N.P. Ummer Financial Ltd | Professional & scientific | 2025 |
| N.Robinson & Sons Ltd | Real estate | 2025 |
| N.S. Shipping (Holdings) Limited | Administrative & support | 2016 |
| N.S. Shipping Limited | Administrative & support | 2010 |
| N.S. Shipping Trustee Limited | Financial services | 2024 |
| N2J2 Holdings Ltd | Real estate | 2022 |
| N3FS Ltd | Health & social care | 2013 |
| N4DEN Solutions Ltd | Administrative & support | 2016 |
| N4SYSTEMS Limited | Wholesale & retail | 2013 |
| N80LPP Ltd | Administrative & support | 2021 |
| NA Car Wash Ltd | Administrative & support | 2026 |
| NA Legal Consulting Limited | Professional & scientific | 2024 |
| NA Newsagent Limited | Wholesale & retail | 2025 |
| NA2 Ltd | Construction | 2025 |
| Naap Limited | Health & social care | 2020 |
| NAB Property Ltd | Real estate | 2021 |
| Nachington Design-Builds-Connect Ltd | Other services | 2024 |
| NAD3N Solutions Ltd | Professional & scientific | 2014 |
| NAD90 Ltd | Health & social care | 2025 |
| Nadar Hydration Ltd. | Health & social care | 2025 |
| Nadeem Mahmood Ltd | Wholesale & retail | 2025 |
| Nader Haji Limited | Other services | 2019 |
| Nader Haji Property Limited | Real estate | 2025 |
| Nadia’S Pizza Ltd | Hospitality | 2025 |
| Nadine’S Cakes and Bakes Ltd | Manufacturing | 2025 |
| Nadzhibe Cafe Ltd | Hospitality | 2026 |
| Naecan Ltd | Real estate | 2026 |
| Naemi Ltd | Wholesale & retail | 2022 |
| Nafha UK Ltd | Real estate | 2024 |
| Naguib Global Business Limited | Professional & scientific | 2025 |
| Nagul Ceylon Enterprise Limited | Wholesale & retail | 2012 |
| NAH Consulting Services Ltd | Professional & scientific | 2022 |
| NAI Accountants Limited | Professional & scientific | 2025 |
| Nailed by Becky Ltd | Other services | 2023 |