| Namtloc Limited | Professional & scientific | 2000 |
| Namziao Doctors Limited | Health & social care | 2024 |
| Nandi Properties Limited | Real estate | 2015 |
| Nandi Services Limited | Professional & scientific | 2004 |
| Nanzi Ltd | Professional & scientific | 2025 |
| Narges Zabeti Ltd | Wholesale & retail | 2020 |
| Nari Limited | Wholesale & retail | 2024 |
| Narinder Management Limited | Real estate | 2014 |
| Narnica Limited | Administrative & support | 2012 |
| Naruma Investments Ltd | Administrative & support | 2023 |
| Narvo Asset Management Limited | Real estate | 2014 |
| NAS Plastering Ltd | Construction | 2017 |
| NASEEB1 Limited | Hospitality | 2023 |
| Nash Investments Limited | Real estate | 2017 |
| Nasiriyah Ltd | Wholesale & retail | 2025 |
| Nass Holding Limited | Financial services | 2026 |
| Natali Nail Studio Ltd | Other services | 2025 |
| Natalie Goode Interiors Ltd | Professional & scientific | 2019 |
| Nathana Limited | Real estate | 2024 |
| Nation Services HW Ltd | Wholesale & retail | 2025 |
| National Recovery Ltd | Transport & logistics | 2019 |
| Nationale-Nederlanden Overseas Finance and Investment Company | Financial services | 1991 |
| Nationdrop Limited | Transport & logistics | 2025 |
| Nationwide Paper Limited | Wholesale & retail | 1988 |
| Nationwide QTM Ltd | Professional & scientific | 2021 |
| Natural Movement Ltd | Administrative & support | 2016 |
| Natural Progress Limited | Agriculture & fishing | 2019 |
| Nature Walks Limited | Wholesale & retail | 2017 |
| Naturetex Ltd | Wholesale & retail | 2012 |
| Naveed Taxi Services Ltd | Transport & logistics | 2022 |
| Navesi Ltd | Information & communication | 2021 |
| Navigator IPM Limited | Real estate | 2021 |
| Navigator Solutions Limited | Professional & scientific | 2009 |
| Navil Ltd | Wholesale & retail | 2022 |
| Nayend Ltd | Information & communication | 2023 |
| Nayford Limited | Professional & scientific | 2014 |
| Nazia Fitzpatrick Ltd | Professional & scientific | 2022 |
| NB GAS & Heating Ltd | Construction | 2021 |
| NBB Energy Ltd | Construction | 2010 |
| Nbortho Limited | Health & social care | 2024 |
| Nbsurveying Ltd | Construction | 2020 |
| NCA Consulting Limited | Professional & scientific | 2017 |
| ND Estate Limited | Real estate | 2022 |
| Ndhingra Limited | Professional & scientific | 2010 |
| Ndpp Business Solutions Ltd | Financial services | 2019 |
| NDT Check Ltd | Professional & scientific | 2025 |
| Neale's Coaches Limited | Transport & logistics | 2014 |
| Neale's Taxis Limited | Transport & logistics | 2005 |
| Neales Vehicle Hire Ltd | Transport & logistics | 2010 |
| Nebula Global Ltd | Professional & scientific | 2025 |
| Neelam Estates Ltd | Real estate | 2019 |
| Neha's Beauty Ltd | Other services | 2019 |
| Neil Douglas Lettings Limited | Real estate | 2010 |
| Neil Turner Software Limited | Information & communication | 2004 |
| Neil's Refrigeration Services Ltd. | Construction | 2007 |
| Neild's Property Services Ltd | Other services | 2019 |
| Neish Travel Ltd | Administrative & support | 2023 |
| Nelly Aesthetics Ltd | Other services | 2021 |
| NEO Vitae Limited | Professional & scientific | 2003 |
| Neogrid Limited | Information & communication | 2006 |
| Neon House Ltd | Real estate | 2025 |
| Neptune Acquisition Bidco Limited | Financial services | 2025 |
| Neptune Acquisition Midco Limited | Financial services | 2025 |
| Neptune Acquisition Topco Limited | Financial services | 2025 |
| Nescha Limited | Health & social care | 2024 |
| Nestwell Care Ltd | Health & social care | 2023 |
| NET Monkey Ltd | Information & communication | 2025 |
| Netcore Construction Ltd | Construction | 2019 |
| Netdespatch Ltd | Information & communication | 1999 |
| Netrikann Optical Ltd | Health & social care | 2025 |
| Netsensia Limited | Information & communication | 2007 |
| Netsweeper Limited | Information & communication | 2010 |
| Network 4 Management Limited | Real estate | 2004 |
| Neuralprints Limited | Information & communication | 2015 |
| Nevada CAD Services Ltd | Professional & scientific | 2026 |
| Neveleven Ltd | Information & communication | 2025 |
| Never Straight Forward Ltd | Administrative & support | 2021 |
| New Beginnings in Christ Church International Ltd | Other services | 2025 |
| New Britannia Ltd | Wholesale & retail | 2019 |
| New Company Consultancy Ltd | Professional & scientific | 2013 |
| New Generation Recycling Limited | Manufacturing | 2025 |
| New Generation Wellbeing CIC | Hospitality | 2025 |
| New Glazing & Bifold Ltd | Construction | 2019 |
| New Home New Keys Limited | Real estate | 2021 |
| New Horizons (JPD Developments) Ltd | Real estate | 2017 |
| New Janta Properties Limited | Real estate | 2024 |
| New Meaning Training and Education Ltd | Education | 2025 |
| New Meaning Training Limited | Education | 2015 |
| New Nicotine Distribution Limited | Wholesale & retail | 2024 |
| New Star Environmental Limited | Water & waste | 2010 |
| New Tyres Ltd | Wholesale & retail | 2023 |
| New Way IT Solutions Limited | Information & communication | 2016 |
| New Western Phoenix Finance and Consulting Limited | Extraterritorial | 2015 |
| New World Finance Ltd | Financial services | 2008 |
| Newbury Consultancy Limited | Information & communication | 2021 |
| Newcourt Developments Ltd | Hospitality | 1998 |
| Newtower Court Residents Association Limited | Households | 1997 |
| Newvideo Limited | Construction | 1987 |
| Newyou Neurophysiotherapy Limited | Health & social care | 2024 |
| Newzlink Ltd | Wholesale & retail | 2018 |