| Newton Steel Stock Limited | Extraterritorial | 2012 |
| NEX Innovations Limited | Health & social care | 2019 |
| NEX Property Partners Ltd | Extraterritorial | 2025 |
| Nexa Management Limited | Transport & logistics | 2025 |
| Nexa Market Ltd | Wholesale & retail | 2024 |
| Nexadigiz Ltd | Manufacturing | 2026 |
| Nexar Social Care Ltd | Administrative & support | 2024 |
| Nexastaff Sloutions Ltd | Wholesale & retail | 2026 |
| Nexaura Group Ltd. | Information & communication | 2025 |
| Nexcad Limited | Information & communication | 2025 |
| Nexfreight Ltd | Transport & logistics | 2025 |
| Nexgen EST Limited | Real estate | 2022 |
| Nexgen Hive Ltd | Wholesale & retail | 2023 |
| Nexgen Talent LAB Ltd | Administrative & support | 2025 |
| Nexora Intelligence Ltd | Information & communication | 2026 |
| Nexshift Limited | Information & communication | 2026 |
| Next Chapter Removals Ltd | Transport & logistics | 2025 |
| Next Chapters (West Yorkshire) CIC | Health & social care | 2026 |
| Next Click Commerce Ltd | Wholesale & retail | 2026 |
| Next EV Ltd | Wholesale & retail | 2024 |
| Next GEN Unleashed Limited | Wholesale & retail | 2022 |
| Next Level Cleaning Specialists Ltd | Administrative & support | 2024 |
| Next Level Vibes Limited | Wholesale & retail | 2025 |
| Next Step Support Services Limited | Health & social care | 2026 |
| NEXT.GENERATION229 Ltd | Wholesale & retail | 2024 |
| Nextech IT Services Ltd | Information & communication | 2024 |
| Nextera Deals Ltd | Wholesale & retail | 2025 |
| Nextgen Basketball Limited | Arts & recreation | 2025 |
| Nextgen Charge Ltd | Wholesale & retail | 2025 |
| Nextgen FC Limited | Education | 2025 |
| Nextgen Home Tech Ltd | Wholesale & retail | 2026 |
| Nextgen Ledger Ltd | Information & communication | 2025 |
| Nextgen Property Group North Limited | Real estate | 2023 |
| Nextgen Solar & Roofing Ltd | Construction | 2026 |
| Nextgen Solar Panels Ltd | Construction | 2023 |
| Nextgen Spraycoat Ltd | Construction | 2025 |
| Nextoria Global Ltd | Administrative & support | 2025 |
| Nextroad Haulage Limited | Transport & logistics | 2025 |
| Nextsol Ltd | Wholesale & retail | 2024 |
| Nextvanstop Ltd | Transport & logistics | 2025 |
| Nextwell Limited | Wholesale & retail | 2024 |
| Nexun & Co Limited | Wholesale & retail | 2025 |
| Nexus Accountants Limited | Professional & scientific | 2015 |
| Nexus Appointments Limited | Administrative & support | 2025 |
| Nexus Eventures Corporation Ltd | Arts & recreation | 2024 |
| Nexus Global Consultants Ltd | Wholesale & retail | 2024 |
| Nexus Mixed Reality ENT Limited | Information & communication | 2024 |
| Nexuselectrics Ltd | Wholesale & retail | 2025 |
| Nexvex Ltd | Wholesale & retail | 2025 |
| NFS Group Limited | Administrative & support | 2023 |
| NFW Ltd | Real estate | 2024 |
| NG Distribution Ltd | Wholesale & retail | 2016 |
| NG Global Ltd | Wholesale & retail | 2013 |
| NG Refrigeration Ltd | Construction | 2010 |
| NG Stock Solutions Limited | Wholesale & retail | 2024 |
| NGD 16 Ltd | Health & social care | 2020 |
| NGL Accountancy Services Ltd | Professional & scientific | 2022 |
| Ngsc Limited | Administrative & support | 2021 |
| Nguyet LE Limited | Other services | 2024 |
| NH Apartments Ltd | Hospitality | 2025 |
| NH Care Services Ltd | Health & social care | 2024 |
| NH Property Management & Lettings Ltd | Real estate | 2026 |
| NH Security (Yorkshire) Ltd | Administrative & support | 2024 |
| NHC Services Ltd | Health & social care | 2019 |
| Nhpa Ltd | Health & social care | 2015 |
| Nhpartsuk Ltd | Wholesale & retail | 2024 |
| Nhyl Homes Ltd | Real estate | 2022 |
| NI Bradford Ltd | Hospitality | 2025 |
| NI GAS and Plumbing Services Limited | Construction | 2012 |
| Niaimpex Limited | Wholesale & retail | 2025 |
| Niaz and Sons Ltd | Wholesale & retail | 2025 |
| Nice Studio Ltd | Information & communication | 2024 |
| Nicefashion Style Ltd | Wholesale & retail | 2026 |
| Niceto App Limited | Information & communication | 2026 |
| Niche Alloys Ltd | Wholesale & retail | 2024 |
| Niche Cakes Limited | Manufacturing | 2025 |
| Niche Healthcare Ltd | Wholesale & retail | 2026 |
| Niche Housing Group Ltd | Real estate | 2023 |
| Niche Motor Company Limited | Wholesale & retail | 2024 |
| Niche Motor Sales Limited | Wholesale & retail | 2015 |
| Niche Security Surveillance Ltd | Administrative & support | 2025 |
| Nicholl Packaging Limited | Wholesale & retail | 1980 |
| Nichols Properties Ltd | Real estate | 2019 |
| Nicholson Flooring Services Limited | Construction | 2015 |
| Nicholsons Landscaping Limited | Administrative & support | 2021 |
| Nicholsons Limited | Administrative & support | 2024 |
| Nick Sumner Limited | Professional & scientific | 2020 |
| Nick's Healthcare Solutions Ltd | Health & social care | 2019 |
| Nicol Maintenance Ltd | Manufacturing | 2025 |
| Nicol Management Ltd | Real estate | 2024 |
| Nicola Nurtures Limited | Education | 2024 |
| Niconstruct Ltd | Construction | 2025 |
| Nicyou Ltd | Health & social care | 2024 |
| Niddvale Limited | Real estate | 2024 |
| Nide Healthcare Services Limited | Administrative & support | 2023 |
| Nieb Ltd | Hospitality | 2026 |
| Nigat Limited | Other services | 2017 |
| Nigel J Barker & Company Limited | Administrative & support | 2010 |
| Nigel Rands Limited | Manufacturing | 2016 |
| Nigerian Community Association Bradford CIC | Administrative & support | 2023 |