| MYK Convenience Limited | Wholesale & retail | 2025 |
| MYK Freehold Limited | Real estate | 2020 |
| MYK Pizzeria Ltd | Hospitality | 2022 |
| MYK Retail Limited | Wholesale & retail | 2019 |
| MYK Skip Hire Ltd | Water & waste | 2023 |
| MYK Vape Stores Limited | Wholesale & retail | 2024 |
| Mylania Investments Limited | Information & communication | 2023 |
| Mylo Sedgley-Phillips Ltd | Real estate | 2025 |
| Mylospinvests Ltd | Administrative & support | 2025 |
| Mylot Productions Ltd | Manufacturing | 2013 |
| Myriadlinks Children Services Limited | Health & social care | 2024 |
| Myukpost Ltd | Administrative & support | 2011 |
| Mywebuk Limited | Wholesale & retail | 2011 |
| Mzai Ltd | Wholesale & retail | 2026 |
| MZC Developments Ltd | Construction | 2025 |
| N & L Irving Limited | Professional & scientific | 2024 |
| N & S Management Ltd | Real estate | 2024 |
| N & T Services Limited | Administrative & support | 2009 |
| N a Tyres Ltd | Wholesale & retail | 2022 |
| N I Consultations Limited | Health & social care | 2016 |
| N Locum Services Ltd | Professional & scientific | 2023 |
| N M Regen Ltd | Construction | 2023 |
| N Phillips Training Ltd | Arts & recreation | 2024 |
| N V Attractions Ltd | Arts & recreation | 2023 |
| N West Motors Ltd | Wholesale & retail | 2026 |
| N&G Cuddy Limited | Financial services | 2017 |
| N&Jw Properties Ltd | Real estate | 2019 |
| N&P Painting Contractors Limited | Construction | 2013 |
| N. Knowles & SON Limited | Wholesale & retail | 1976 |
| N.A Group Ltd | Health & social care | 2020 |
| N.F.S. Associates Ltd | Wholesale & retail | 2014 |
| N.F.S. Estates Ltd | Real estate | 2024 |
| N.M.A Renovations Ltd | Real estate | 2019 |
| NA B1 ENG Limited | Professional & scientific | 2026 |
| NA Capital Management Ltd | Real estate | 2026 |
| NAB Contracts Ltd | Information & communication | 2023 |
| Nabbs Wife Estate Management Ltd | Construction | 2023 |
| Nabzys Pizza Chicken Limited | Hospitality | 2025 |
| Nail Bar (Bury) Ltd | Other services | 2025 |
| Nailers Green Limited | Households | 2003 |
| Nails & Beauty by SM Ltd | Other services | 2024 |
| Nala & Knot Limited | Other services | 2017 |
| Nangreaves Village Management Company Limited | Households | 1988 |
| Naphtha Plastics Limited | Wholesale & retail | 1981 |
| Nasdan Properties Limited | Real estate | 2020 |
| Natalie Auston Hair Ltd | Other services | 2018 |
| National Advice Ltd | Financial services | 2019 |
| National Electrical Contractors Limited | Administrative & support | 2015 |
| Nationwide Business Solutions Ltd | Other services | 2022 |
| Nationwide Couriers & Transport Ltd | Transport & logistics | 2018 |
| Nationwide Fuels and Lubricants Ltd | Wholesale & retail | 2020 |
| Nationwide Special Interiors PLC | Construction | 2012 |
| Natural Agri Foods Limited | Wholesale & retail | 2025 |
| Natural Balance Pilates Ltd | Arts & recreation | 2011 |
| Natural Beauty Greenmount Ltd | Other services | 2026 |
| Natural Land 4 LLP | | 2011 |
| Natural Land 5 LLP | | 2014 |
| Natural Retreats Pension LLP | | 2006 |
| Nature & Nurture; Baby-Vits Ltd | Manufacturing | 2017 |
| Nature Restoration Projects Limited | Financial services | 2025 |
| Navprimelink Ltd | Construction | 2022 |
| Naya Medicals Limited | Financial services | 2011 |
| Naylor Utility Connections (Construction) Limited | Professional & scientific | 2024 |
| Naylor Utility Connections (Developers) Limited | Professional & scientific | 2024 |
| Nazar Group Ltd | Wholesale & retail | 2025 |
| Nazar JAN Ltd | Wholesale & retail | 2025 |
| Nazar Japan Ltd | Wholesale & retail | 2025 |
| Nazar Japan Motor Ltd | Wholesale & retail | 2025 |
| Nazar Motor Ltd | Wholesale & retail | 2025 |
| Nazar's Group Ltd | Wholesale & retail | 2025 |
| Nazeberg Management Limited | Households | 1994 |
| Nazia Haque Wealth Management Limited | Financial services | 2017 |
| NB Avenue Limited | Manufacturing | 2015 |
| NBS North Ltd | Construction | 2020 |
| NC Mortgage Advice Ltd | Financial services | 2025 |
| NDC Identification Ltd | Professional & scientific | 2024 |
| Nectar Creative Limited | Professional & scientific | 2008 |
| Nectrus ARC Ltd | Administrative & support | 2022 |
| Needle Consulting Ltd | Information & communication | 2024 |
| Neige Group Ltd | Manufacturing | 2024 |
| Nelly Done Limited | Arts & recreation | 2006 |
| NEO Electronics Limited | Manufacturing | 1985 |
| NEO Group Holdings Limited | Professional & scientific | 1995 |
| NEO Pro Cycle Coaching Ltd | Arts & recreation | 2018 |
| Nero Dental Studio Ltd | Health & social care | 2021 |
| Nervanow Ltd | Wholesale & retail | 2018 |
| Nesi Commercials Ltd | Administrative & support | 2020 |
| Nesi Professionals Limited | Health & social care | 2016 |
| Nessieag Limited | Hospitality | 2013 |
| Nest Building Services Limited | Construction | 2020 |
| Nest Care North West Ltd | Health & social care | 2025 |
| Nest Woodland Adventures Ltd | Health & social care | 2022 |
| NET Zero Connect Limited | Administrative & support | 2019 |
| Nether Alderley Consultancy Limited | Other services | 2020 |
| Netmarket Limited | Wholesale & retail | 2024 |
| Netprotocol Ltd. | Information & communication | 1999 |
| Neuro in Nature CIC | Health & social care | 2023 |
| Neuro NEX Ltd | Wholesale & retail | 2025 |
| Neurocure Ltd | Education | 2025 |
| Neuroscience and Self-Healing Limited | Education | 2025 |