| New ERA Roofing and Cladding Limited | Construction | 2015 |
| New European Mini Market Limited | Wholesale & retail | 2024 |
| New EVE Healthcare Services Ltd | Health & social care | 2015 |
| New Haven Medicals Ltd | Health & social care | 2025 |
| New Individual Savings Accounts Limited | Financial services | 2014 |
| New Jawla Services Limited | Professional & scientific | 2025 |
| New KRD Barbers Ltd | Other services | 2026 |
| New Lamb Limited | Hospitality | 2023 |
| New Life Derby | Administrative & support | 2006 |
| New Line Sales Recruitment Limited | Administrative & support | 2005 |
| New Lodge Nursing Care Limited | Health & social care | 2018 |
| New Look (UK) Limited | Manufacturing | 2004 |
| New Manor Property Ltd | Real estate | 2022 |
| New Masala Derby Ltd | Hospitality | 2020 |
| New Millenium Healthcare Ltd | Health & social care | 2010 |
| New Oriental Express Ltd | Hospitality | 2022 |
| New Potential Ltd | Professional & scientific | 2013 |
| New Season Projects Ltd | Administrative & support | 2015 |
| New Spring Lodge INT Ltd | Administrative & support | 2020 |
| New Street Shop Ltd | Wholesale & retail | 2019 |
| New View Cleaning Services Ltd | Administrative & support | 2024 |
| New Wave Improvements Ltd | Construction | 2022 |
| New WOK Xpress Limited | Hospitality | 2018 |
| New World 666 Ltd | Hospitality | 2022 |
| New Zealand Lane Management Company Limited | Real estate | 2008 |
| Neway Training Solutions Holdings Limited | Financial services | 2026 |
| Neway Training Solutions Limited | Education | 2002 |
| Newberry Wealth Management Limited | Financial services | 2018 |
| Newbold Decorators Limited | Construction | 2018 |
| Newbold Property Solutions Ltd | Real estate | 2025 |
| Newgen Leisure Ltd | Professional & scientific | 2010 |
| Newlands Farm Barns Management Company Limited | Households | 1996 |
| Newlens Limited | Information & communication | 2026 |
| Newlin Properties Limited | Real estate | 2026 |
| Newline Housing CIC | Real estate | 2023 |
| Newman Builders Limited | Construction | 2003 |
| Newmarket Group Limited | Administrative & support | 2014 |
| Newmarkettradersuk Ltd | Wholesale & retail | 2026 |
| Newplas Building Products (Global) Limited | Professional & scientific | 2012 |
| Newplas Limited | Wholesale & retail | 2009 |
| Newrad Limited | Financial services | 2025 |
| Newroots Hub CIC | Education | 2025 |
| Newroz Ltd | Manufacturing | 2026 |
| Newsagents and General Store Ltd | Wholesale & retail | 2021 |
| Newthorn Events Limited | Administrative & support | 2014 |
| Newton Commercial Limited | Professional & scientific | 2022 |
| Newton Green Nominees Limited | Extraterritorial | 2013 |
| Newton Park Residents Association Limited | Households | 1965 |
| Newwood Solutions Limited | Manufacturing | 2016 |
| Nexcommerce Ltd | Wholesale & retail | 2024 |
| Nexenture Limited | Construction | 2025 |
| Nexgen Investments Limited | Real estate | 2015 |
| Nexgen SLT Services Ltd | Administrative & support | 2016 |
| Nexifyme Ltd | Information & communication | 2024 |
| Nexora Biocity Ltd | Professional & scientific | 2025 |
| Nexora Core Limited | Wholesale & retail | 2025 |
| Nexora Estate Holdings Ltd | Real estate | 2025 |
| Nexoramart Ltd | Wholesale & retail | 2025 |
| Nexsan UK Ltd. | Other services | 2012 |
| Next Edge Property Solutions Ltd | Hospitality | 2025 |
| Next Level Property Maintenance Ltd | Construction | 2021 |
| Next NET Designs Ltd | Information & communication | 2019 |
| Nexteam Retail Limited | Wholesale & retail | 2025 |
| Nextgen Cart Ltd | Wholesale & retail | 2025 |
| Nextgen Sports Ltd | Arts & recreation | 2018 |
| Nextgenaerotech Limited | Professional & scientific | 2025 |
| Nextroad Transport Ltd | Transport & logistics | 2026 |
| Nextwave IT Solutions Ltd | Information & communication | 2026 |
| Nexus 365 Solutions Limited | Information & communication | 2016 |
| Nexus AI Systems Ltd | Information & communication | 2025 |
| Nexus CPM Ltd | Construction | 2026 |
| Nexus Deliveries Ltd | Transport & logistics | 2023 |
| Nexus Electrical Installations Ltd | Construction | 2017 |
| Nexus Intelligentia Ltd | Information & communication | 2024 |
| NEXUSB2B Limited | Information & communication | 2012 |
| Nexviro Ltd | Wholesale & retail | 2026 |
| NEY Stays Ltd | Hospitality | 2025 |
| Nezpropco Limited | Real estate | 2025 |
| NFA Projects Limited | Information & communication | 2014 |
| NG & Co Homes Ltd | Real estate | 2021 |
| NG Business Consultancy Limited | Professional & scientific | 2016 |
| NG Clean Ltd | Administrative & support | 2018 |
| NGC Rigging Ltd | Information & communication | 2026 |
| NGH Seventy Limited | Construction | 2005 |
| NGS Corporate Limited | Professional & scientific | 2016 |
| NGS Health Limited | Administrative & support | 2016 |
| NGV Logistics Ltd | Transport & logistics | 2026 |
| NH Foreign Education Consultants Limited | Education | 2025 |
| NH Trade Cars Limited | Wholesale & retail | 2025 |
| NH Vehicle Transport Ltd | Transport & logistics | 2021 |
| NH95 Ltd | Wholesale & retail | 2024 |
| NHA Lettings Ltd | Real estate | 2022 |
| NHA Planning Ltd | Professional & scientific | 2023 |
| NHA Properties Ltd | Real estate | 2020 |
| NHT Group Ltd | Professional & scientific | 2019 |
| Nibra Solutions Ltd | Wholesale & retail | 2026 |
| NIC Elliott Limited | Financial services | 2013 |
| Nicco Restaurant & Bar Limited | Hospitality | 2020 |
| Niccy Ltd | Wholesale & retail | 2021 |
| Nice Love and Wishes Ltd | Other services | 2018 |