| Novelty Store UK Ltd | Wholesale & retail | 2024 |
| Novia Group Limited | Manufacturing | 2019 |
| Noviellos Ices Ltd | Manufacturing | 2022 |
| Novorise Limited | Wholesale & retail | 2022 |
| Novus Advisory Ltd | Professional & scientific | 2025 |
| Novus Link Ltd | Administrative & support | 2014 |
| Novus Stella Investments Limited | Real estate | 2022 |
| NOX Aura Entertainment Ltd | Administrative & support | 2026 |
| Nozalari Limited | Construction | 2026 |
| NP Advisory Solutions Limited | Real estate | 2020 |
| NP Group Construction Ltd | Construction | 2021 |
| NP Homes Ltd | Real estate | 2019 |
| NP Solicitors Limited | Professional & scientific | 2013 |
| NP Vision Wealth Management Ltd | Financial services | 2018 |
| NPD Properties Limited | Real estate | 2020 |
| NPL Group of Company Limited | Wholesale & retail | 2025 |
| NPM Properties Ltd | Real estate | 2022 |
| NPP Consultancy Ltd | Professional & scientific | 2020 |
| NR Consultancy & Research Ltd | Professional & scientific | 2023 |
| NR Opencart Limited | Wholesale & retail | 2026 |
| NR2M Wellness Group Ltd | Wholesale & retail | 2026 |
| NRI Ltd | Real estate | 2025 |
| Nrich Services Ltd | Professional & scientific | 2023 |
| Nriku Limited | Wholesale & retail | 2025 |
| NRK Consulting Limited | Professional & scientific | 2012 |
| NRK Solutions Limited | Professional & scientific | 2017 |
| NRP Radiology Ltd | Health & social care | 2021 |
| Nrrs Properties Limited | Real estate | 2012 |
| NRS Recruitment Ltd | Administrative & support | 2024 |
| NRS Transit Ltd | Transport & logistics | 2026 |
| Nrta Property Investors Ltd | Real estate | 2020 |
| NS Auto Trading Limited | Wholesale & retail | 2018 |
| NS Brokers Ltd | Financial services | 2017 |
| NS Group Limited | Professional & scientific | 2023 |
| NS Jupiter Ltd | Professional & scientific | 2021 |
| NS Medical Consultancy Limited | Professional & scientific | 2022 |
| NS Service Station Limited | Other services | 2018 |
| NSB Construction Services Ltd | Construction | 2015 |
| Nsjh Properties Limited | Real estate | 2024 |
| NSK Espresso Limited | Hospitality | 2024 |
| NSK HUT Ltd | Real estate | 2021 |
| NSK Namah Limited | Wholesale & retail | 2024 |
| Nskb Holdings Limited | Other services | 2014 |
| NSL Bathrooms Ltd. | Wholesale & retail | 2020 |
| NSM Investments Limited | Wholesale & retail | 2001 |
| NSP Consulting Ltd | Financial services | 2010 |
| NSP FT ST. Avenue and TGN House Ltd. | Manufacturing | 2021 |
| NSP Property UK Limited | Construction | 2018 |
| NSV Consultancy Ltd | Real estate | 2013 |
| NSY Brothers Ltd | Wholesale & retail | 2025 |
| NT Cleaning Services Ltd | Other services | 2024 |
| NTA Solutions Limited | Administrative & support | 2013 |
| Ntad Consultants Ltd | Other services | 2015 |
| Ntad Training Ltd | Professional & scientific | 2016 |
| Ntaks Ltd | Health & social care | 2024 |
| NTG Asset Services Ltd | Administrative & support | 2021 |
| NTG Commercial Services Ltd | Other services | 2020 |
| NTG Contracts Limited | Other services | 2026 |
| NTG Group Holdings Limited | Financial services | 2024 |
| NTG Interiors Limited | Administrative & support | 2026 |
| NTJ Trucks Limited | Wholesale & retail | 2013 |
| NU AGE Fitness Ltd | Health & social care | 2021 |
| NU Beauty Limited | Other services | 2025 |
| NU Grow Limited | Manufacturing | 2025 |
| NU PHI Limited | Extraterritorial | 2007 |
| Nu-Gen Technologies Limited | Other services | 2026 |
| Nu-Image Realties Limited | Real estate | 2024 |
| Nu-Recruitment Limited | Administrative & support | 2015 |
| Nube Consulting Ltd | Professional & scientific | 2023 |
| Nubian Services Ltd | Administrative & support | 2025 |
| Nuchem (Pharmaceuticals) Limited | Wholesale & retail | 1977 |
| Nucleus Films Limited | Information & communication | 2003 |
| Nucrest Properties Limited | Real estate | 2018 |
| Nuexglobal Distribution Co. Ltd | Wholesale & retail | 2025 |
| NUF Welt Electrics Ltd | Professional & scientific | 2020 |
| Nuga Sushi Limited | Wholesale & retail | 2025 |
| Nuihh Limited | Hospitality | 2023 |
| Nuliv (PVT) Ltd | Real estate | 2025 |
| NUM8ERS Ltd | Professional & scientific | 2020 |
| Number 3 Carlton Avenue Residents Association Limited | Households | 1990 |
| Number 6 Heath Drive Limited | Households | 1960 |
| Number Plate Master Ltd | Wholesale & retail | 2023 |
| Numbers 1-10 Willowdene Limited | Households | 1972 |
| Numistacker Numismatic Services Ltd | Professional & scientific | 2020 |
| Nuoceans Ltd | Wholesale & retail | 2018 |
| Nuperform Limited | Other services | 2025 |
| Nupogody Ltd | Construction | 2021 |
| NUR Estate Holdings Ltd | Real estate | 2024 |
| Nuri Investments Limited | Real estate | 2023 |
| Nurmamed Ltd | Health & social care | 2026 |
| Nusantara Corporation Ltd | Extraterritorial | 2019 |
| Nusantara Ltd | Other services | 2021 |
| Nusha Lexis Ltd | Real estate | 2022 |
| NUT Fusion Ltd | Wholesale & retail | 2025 |
| NUT Khut Foods Ltd | Wholesale & retail | 2025 |
| NUT Thing Limited | Manufacturing | 2015 |
| Nutandcouk Ltd | Manufacturing | 2026 |
| Nutra Life UK Ltd | Wholesale & retail | 2024 |
| Nutri 4 Ltd | Manufacturing | 2023 |
| Nutri-Medic Ltd | Health & social care | 2012 |