| Newington Rentals Ltd | Real estate | 2025 |
| Newissalem Limited | Health & social care | 2023 |
| Newleaf Support Services Ltd | Health & social care | 2026 |
| Newline Joinery Ltd | Manufacturing | 2015 |
| Newsplash Limited | Information & communication | 2017 |
| Newtons Plumbing Services Ltd | Construction | 2015 |
| Newtown Hospitality Ltd | Hospitality | 2024 |
| Newydd Capital Limited | Construction | 2024 |
| NEX Projects Ltd | Construction | 2026 |
| Nexalus Consulting Ltd | Professional & scientific | 2019 |
| Nexapoint Solutions Ltd | Information & communication | 2026 |
| Nexgen AI Consulting Ltd | Information & communication | 2025 |
| Nexgen Doors & Windows Ltd | Manufacturing | 2024 |
| Nexgen Joinery Ltd | Manufacturing | 2024 |
| Nexoflow Ltd | Information & communication | 2026 |
| Next Generation Mechanical & Electrical Limited | Administrative & support | 2024 |
| Next Level Car Body Shop Ltd | Wholesale & retail | 2025 |
| Next Level Corporation Limited | Information & communication | 2024 |
| Nextbrit Academy Ltd | Professional & scientific | 2025 |
| Nextframe Academy & Production CIC | Information & communication | 2026 |
| Nextgen Nest Ltd | Real estate | 2025 |
| Nextstep Modern Solutions Ltd | Information & communication | 2024 |
| Nexuspts Ltd | Transport & logistics | 2024 |
| NGM Properties Limited | Administrative & support | 2012 |
| Ngolu Limited | Health & social care | 2015 |
| NH Support Services Ltd | Administrative & support | 2025 |
| NH Ventures Ltd | Financial services | 2026 |
| NI Capital Limited | Construction | 2018 |
| Niaje Limited | Information & communication | 2026 |
| Niana Ltd | Professional & scientific | 2025 |
| Niazi Health Solutions Ltd | Health & social care | 2019 |
| Nicady Limited | Wholesale & retail | 2015 |
| Nice & Safe Driving Limited | Transport & logistics | 2013 |
| Nice Floor Limited | Wholesale & retail | 2008 |
| Niche Beauty Ltd | Manufacturing | 2022 |
| Niche Lifts Group Limited | Construction | 2025 |
| Niche Lifts Ltd | Construction | 2003 |
| Nicheno Ltd | Professional & scientific | 2017 |
| Nicholas James Health & Safety Solutions Limited | Construction | 2018 |
| Nicholas James Scaffolding Inspections Limited | Construction | 2023 |
| Nichols and MAY Ltd | Real estate | 2019 |
| Nicholson GAS Services Limited | Construction | 2026 |
| Nick & Patry Ltd | Wholesale & retail | 2022 |
| Nick Brown Limited | Construction | 2013 |
| Nick Stewart Service Ltd | Professional & scientific | 2018 |
| Nickav Ltd | Real estate | 2023 |
| Nickleby Associates Ltd | Other services | 2022 |
| Nicky Fuel Ltd | Wholesale & retail | 2014 |
| Nicluce Limited | Real estate | 2016 |
| Nicolae Blaguta Ltd | Construction | 2019 |
| Nicolette Holdings Ltd | Financial services | 2022 |
| Nieciag Properties Ltd | Real estate | 2025 |
| Nigel Ltd | Extraterritorial | 2006 |
| Niger Plus Ltd | Health & social care | 2022 |
| Night Sky Campers Ltd | Hospitality | 2022 |
| Night Vibes Limited | Administrative & support | 2023 |
| Niksfam Ltd | Administrative & support | 2017 |
| Nila Marketing Ltd | Professional & scientific | 2025 |
| Nile Capital Limited | Wholesale & retail | 2021 |
| Nile Roots Limited | Information & communication | 2018 |
| Nilu Fuel Ltd | Wholesale & retail | 2013 |
| Nimbos Limited | Construction | 2025 |
| Nina.Dobrosielska Ltd | Construction | 2024 |
| Nine Mile Legal Services Limited | Administrative & support | 2022 |
| Ninis Kitchen Limited | Hospitality | 2022 |
| Ninuja Teaching Ltd | Education | 2024 |
| Nishtha & Associates Ltd | Professional & scientific | 2019 |
| Niume Skin and Aesthetics Ltd | Health & social care | 2023 |
| Nivya Convenience Store Ltd | Wholesale & retail | 2024 |
| NJ Living Ltd | Real estate | 2013 |
| NJE Executive Limited | Transport & logistics | 2012 |
| NJH Resources Limited | Professional & scientific | 2014 |
| NJP Inc Ltd | Arts & recreation | 2025 |
| NJS Invest Ltd | Real estate | 2015 |
| NJZ Development Ltd | Real estate | 2026 |
| NKC Business Services Limited | Education | 2019 |
| Nkemdiali Ltd | Health & social care | 2022 |
| NM Education Consultancy Limited | Education | 2011 |
| NMJ IT Solutions Ltd | Information & communication | 2014 |
| NN Business Ltd | Wholesale & retail | 2025 |
| NNA Journal Limited | Information & communication | 2004 |
| Nnems K’Chen Limited | Hospitality | 2023 |
| NO One Films Limited | Information & communication | 2017 |
| Nobelt Limited | Hospitality | 2017 |
| Nobility Support Limited | Health & social care | 2021 |
| Noble Exchange Group Ltd | Other services | 2024 |
| Noble Nesting Homes Ltd | Real estate | 2024 |
| Noblesquared Limited | Real estate | 2024 |
| NOD2JOB Limited | Information & communication | 2025 |
| Nodeuk Limited | Other services | 2015 |
| Nojus Gedvilas Marketing Ltd | Professional & scientific | 2025 |
| Nomad Scenery Ltd | Arts & recreation | 2022 |
| Noneedco Limited | Extraterritorial | 2020 |
| Noor Flow Limited | Wholesale & retail | 2025 |
| Noorbridge Property Developments Ltd | Real estate | 2026 |
| Nora Building Ltd | Construction | 2009 |
| Nora Global Logistcs Ltd | Transport & logistics | 2026 |
| Nordar Ltd | Health & social care | 2010 |
| Norman Civils Commercial Management Ltd | Other services | 2023 |
| Norman Management Limited | Construction | 2024 |