| Netconsult Ltd | Information & communication | 2014 |
| Netcrux Ltd | Administrative & support | 2025 |
| Neteclub Ltd | Extraterritorial | 2016 |
| Neteo Ltd | Information & communication | 2021 |
| Netfame Marketing Ltd | Administrative & support | 2020 |
| Netherbound Ltd. | Information & communication | 2016 |
| Nethercott Cyfyngedig | Real estate | 2023 |
| Netherfield Consultants Ltd | Professional & scientific | 2019 |
| Netherland Jiufeng Agriculture Technology Department Ltd | Extraterritorial | 2020 |
| Netherlands Ailibu Crop Nutrition Ltd | Mining & quarrying | 2026 |
| Netherlands Chemical Mining Co., Ltd | Mining & quarrying | 2026 |
| Netherlands Lubaloe Co., Ltd | Mining & quarrying | 2026 |
| Netherlands NBZ Ltd | Administrative & support | 2021 |
| Netherlands Power Ship Crop Nutrition Co., Ltd | Mining & quarrying | 2022 |
| Netherlands TIM Interntional Ltd | Extraterritorial | 2020 |
| Netherlands Yadi International Horticulture Co., Ltd | Mining & quarrying | 2021 |
| Netherlands Zhongnuo Co., Ltd | Mining & quarrying | 2026 |
| Nethrial Ltd | Wholesale & retail | 2018 |
| Netis Ltd | Information & communication | 2025 |
| Netjett Ltd | Information & communication | 2024 |
| Netlead Ltd | Hospitality | 2014 |
| Netly Consultancy Ltd | Information & communication | 2026 |
| Netpay Finance Limited | Financial services | 2012 |
| Netpay Merchant Services Limited | Financial services | 2012 |
| Netpay Solutions Group Limited | Financial services | 2012 |
| Netralis Ltd | Education | 2025 |
| Netsec Limited | Information & communication | 2019 |
| Netsecure Solutions Ltd | Information & communication | 2018 |
| Netservices Media POV Studios Ltd | Information & communication | 2023 |
| Netverloss Ltd | Wholesale & retail | 2025 |
| Network (Textiles) Limited | Wholesale & retail | 1949 |
| Network Leisure Limited | Manufacturing | 2012 |
| Networkfx Ltd | Other services | 2022 |
| Neue Studio Ltd | Wholesale & retail | 2025 |
| Neumacorp Ltd | Wholesale & retail | 2025 |
| Neural Ltd | Wholesale & retail | 2023 |
| Neuralbyte Limited | Information & communication | 2025 |
| Neuralmix Limited | Information & communication | 2021 |
| Neuranest Ltd | Information & communication | 2025 |
| Neuraxpharm UK Limited | Wholesale & retail | 2017 |
| Neurform Ltd | Other services | 2024 |
| Neurive UK Ltd | Manufacturing | 2024 |
| Neuro Cardiff Limited | Health & social care | 2023 |
| Neuro Consultancy Limited | Professional & scientific | 2025 |
| Neuro Unlocked Ltd | Wholesale & retail | 2020 |
| Neuro-Coding Limited | Health & social care | 2025 |
| Neurobics Limited | Information & communication | 2021 |
| Neurocess Limited | Professional & scientific | 2020 |
| Neurodiversity Cymru Collaborative CIC | Health & social care | 2021 |
| Neurolink Health Group Limited | Health & social care | 2025 |
| Neuron Wellness Ltd | Health & social care | 2019 |
| Neuroteachers Limited | Education | 2020 |
| Neuroverse Healthtech Limited | Information & communication | 2024 |
| Neuzen Labs Ltd | Information & communication | 2023 |
| Nev's Travel Ltd | Transport & logistics | 2025 |
| Nevalet Ltd | Wholesale & retail | 2024 |
| Nevena Ltd | Manufacturing | 2012 |
| Never Miss a Day Ltd | Wholesale & retail | 2025 |
| Neversea Entertainment Limited | Arts & recreation | 2022 |
| Neversleep Media Ltd | Wholesale & retail | 2024 |
| Neves Group Ltd | Education | 2024 |
| Neville Court Accommodation Ltd. | Construction | 1988 |
| Nevis Associates Limited | Other services | 2013 |
| Nevis Corporate Services Ltd | Administrative & support | 2001 |
| Nevis One Associates Limited | Extraterritorial | 2014 |
| Nevis Power Limited | Energy | 2005 |
| Nevis Property Investments Limited | Construction | 2018 |
| Nevo Kitchen Ltd | Hospitality | 2024 |
| Nevu Health Ltd | Information & communication | 2026 |
| New 9 Neville ST Management Company Ltd. | Households | 2015 |
| New AGE Development Group Ltd | Real estate | 2019 |
| New Bayside Tyres Limited | Wholesale & retail | 2021 |
| New Beacon Limited | Real estate | 2024 |
| New Beauty Depot Ltd | Wholesale & retail | 2011 |
| New Beginnings Removals Limited | Transport & logistics | 2018 |
| New Betting Sites UK Ltd | Extraterritorial | 2016 |
| New Capital Trade Ltd | Wholesale & retail | 2019 |
| New Cavendish Group Ltd | Other services | 2020 |
| New CFC Limited | Construction | 2020 |
| New Chapters 01 Solutions Ltd | Other services | 2019 |
| New Chapters Group Ltd | Administrative & support | 2023 |
| New Chapters Solutions Ltd | Administrative & support | 2023 |
| New City Properties Limited | Real estate | 2013 |
| New Cross Pubbs Ltd | Hospitality | 2015 |
| New Day Market Ltd | Other services | 2025 |
| New Day Marketing Communications Limited | Professional & scientific | 2017 |
| New Dimensions Hair Team Limited | Other services | 2016 |
| New Directions (Recruitment) Limited | Administrative & support | 1994 |
| New Directions Education Limited | Administrative & support | 2006 |
| New Directions Holdings Limited | Professional & scientific | 2006 |
| New Directions London Limited | Administrative & support | 2006 |
| New Directions Professional Limited | Administrative & support | 2006 |
| New Earswick Ltd | Wholesale & retail | 2021 |
| New East Indian Company Ltd | Wholesale & retail | 2024 |
| New Element Consulting Limited | Information & communication | 2018 |
| New ELY Barber Shop Ltd | Other services | 2023 |
| New ERA Birmingham Ltd | Real estate | 2018 |
| New ERA Talent C.I.C. | Information & communication | 2021 |
| New Farhin's Takeaway Limited | Hospitality | 2026 |
| New Ferry Glass & Glazing Ltd | Construction | 2017 |