| Nellys Nest Ltd | Health & social care | 2024 |
| Nelson's Distillery & School Ltd | Manufacturing | 2019 |
| Nemesis NOW Limited | Wholesale & retail | 2002 |
| Nemesis Topco Limited | Financial services | 2020 |
| Nemishop Ltd | Manufacturing | 2025 |
| Neonarc Ltd | Wholesale & retail | 2024 |
| Neoncraft Ltd | Wholesale & retail | 2025 |
| Neptune Accounting Limited | Professional & scientific | 2007 |
| Nerdalistic Ltd | Wholesale & retail | 2021 |
| Nerway Property Ltd | Real estate | 2024 |
| NES Circulus Ltd. | Construction | 2013 |
| Nessa Tech Ltd | Transport & logistics | 2026 |
| Nest Social Care Ltd | Administrative & support | 2019 |
| Nesting Hub Ltd | Real estate | 2024 |
| NET GPS Ltd | Administrative & support | 2022 |
| Neter Media Limited | Information & communication | 2022 |
| Netlink Environmental Conservation Organisation Ltd | Information & communication | 2026 |
| Nettune UK Limited | Information & communication | 2012 |
| Netvibes Limited | Information & communication | 2023 |
| Network Support Team Limited | Information & communication | 2010 |
| Network Testing U K Limited | Administrative & support | 2009 |
| Networkin Limited | Administrative & support | 2014 |
| Netzero Products Ltd | Wholesale & retail | 2026 |
| Neuroced Limited | Health & social care | 2016 |
| Neuromed Limited | Wholesale & retail | 2019 |
| Neuroshee Ltd | Information & communication | 2024 |
| Nevada Lane Garage Ltd | Wholesale & retail | 2017 |
| Nevitt Property Group Ltd | Real estate | 2026 |
| New Adventures Travel Limited | Administrative & support | 2018 |
| New AGE Driveways & Patios Limited | Construction | 2022 |
| New AGE Paving Limited | Construction | 2008 |
| New Berwyn Limited | Professional & scientific | 2002 |
| New China Chef (Stoke) Limited | Hospitality | 2023 |
| New City Vision (Liverpool) Limited | Construction | 2002 |
| New City Vision (Manchester) Limited | Construction | 2005 |
| New Energy Ltd | Energy | 2019 |
| New ERA Marketing Services Limited | Professional & scientific | 2020 |
| New Focus Child Care (South) Ltd | Health & social care | 2025 |
| New Garden Midland Limited | Hospitality | 2022 |
| New Glamorous Ltd | Wholesale & retail | 2024 |
| New Great Wall Stoke Ltd | Hospitality | 2017 |
| New Hall Property Ltd | Construction | 2004 |
| New Herbal Solutions Limited | Wholesale & retail | 2018 |
| New Horizon Medics Limited | Health & social care | 2013 |
| New Kebab World Limited | Hospitality | 2025 |
| New LAI WAH Limited | Hospitality | 2026 |
| New Lucky House (Winsford) Limited | Hospitality | 2018 |
| New Meir Hand Car Wash Ltd | Wholesale & retail | 2026 |
| New Meir Rainbow Limited | Hospitality | 2024 |
| New Palace Restaurant Ltd | Hospitality | 2023 |
| New Rawa Cuts Ltd | Other services | 2025 |
| New Ruby Audley Limited | Hospitality | 2018 |
| New Shaheen Catering Ltd | Hospitality | 2024 |
| New Tasty Bites (SOT) Limited | Hospitality | 2018 |
| New Tech Airsoft Ltd | Wholesale & retail | 2021 |
| New Vision UK Consultancy Ltd | Information & communication | 2021 |
| New Word Order Limited | Information & communication | 2016 |
| New Xing Cheng Ltd | Hospitality | 2023 |
| Newa Foods Limited | Hospitality | 2018 |
| Neway Technology Limited | Professional & scientific | 2010 |
| Newbie and ME (Telford) Ltd | Wholesale & retail | 2018 |
| Newbie and ME Birmingham Ltd | Wholesale & retail | 2020 |
| Newbie and ME Leeds Ltd | Wholesale & retail | 2020 |
| Newby Decking Services Limited | Construction | 2019 |
| Newcastle 41 High Street Ltd | Real estate | 2019 |
| Newcastle Equine Laundry & Supplies Ltd | Wholesale & retail | 2019 |
| Newcastle Roofing Specialists Limited | Construction | 2024 |
| Newford Holdings Limited | Financial services | 2012 |
| Newford Plastics Limited | Construction | 2012 |
| Newfriars College | Education | 2018 |
| Newgate Properties Shropshire Limited | Construction | 2014 |
| Newgen Commercials Limited | Wholesale & retail | 2021 |
| Newhampshireclothing.Com Limited | Wholesale & retail | 2009 |
| Newlaw Associates Limited | Transport & logistics | 2004 |
| Newlaw Automotive Consultants Limited | Professional & scientific | 2015 |
| Newline Fencing Ltd | Construction | 2019 |
| Newman Motors Limited | Wholesale & retail | 2011 |
| Newport Lane Estates Limited | Hospitality | 2011 |
| Newstead Solutions and Plant Ltd | Construction | 2024 |
| Newsteam Group Ltd. | Information & communication | 2014 |
| Newton & Stockley Enterprises Limited | Wholesale & retail | 2015 |
| Newton Computing Ltd | Information & communication | 2017 |
| Newway Jblue Ltd | Wholesale & retail | 2025 |
| NEX Studio Ltd | Information & communication | 2023 |
| Nexa Digital Consulting Ltd | Information & communication | 2025 |
| Nexa Management and Solutions Ltd | Professional & scientific | 2025 |
| Nexatech Media Limited | Information & communication | 2025 |
| Nexconnect Limited | Administrative & support | 2025 |
| Nexgen Corporation Limited | Financial services | 2025 |
| Nexgen Design & Build Ltd | Real estate | 2025 |
| Nexgen Energy Consulting Ltd | Construction | 2026 |
| Nexgen JV One Ltd | Real estate | 2025 |
| Nexgen Property Management Ltd | Real estate | 2024 |
| Nexgen Property Solutions Limited | Construction | 2024 |
| Nexo Trade Limited | Wholesale & retail | 2025 |
| Nexozz Ltd | Information & communication | 2021 |
| Next Edge Ventures Ltd | Wholesale & retail | 2025 |
| Next GEN Collective CIC | Education | 2024 |
| Next GEN Hydro Limited | Wholesale & retail | 2017 |
| Next Generation Enamel Ltd | Wholesale & retail | 2024 |