| Nigel Hanna Ltd | Wholesale & retail | 2026 |
| Nigerian Nurses in UK CIC | Education | 2026 |
| Night Witch Ltd | Professional & scientific | 2026 |
| Nightshade Imports Ltd | Wholesale & retail | 2025 |
| NIH Investments Ltd | Real estate | 2024 |
| Nikeira Ltd | Wholesale & retail | 2021 |
| NIL DAO Ltd | Manufacturing | 2025 |
| Nilande Trading Co., Ltd | Wholesale & retail | 2024 |
| Nilkalayli Ltd | Administrative & support | 2025 |
| Nimblematics Ltd | Manufacturing | 2025 |
| Nimbus Education Solutions Limited | Wholesale & retail | 2025 |
| Nina AR International Ltd | Wholesale & retail | 2024 |
| Nindot Ltd | Extraterritorial | 2024 |
| Ningbo Bob-Clean Co., Ltd. | Administrative & support | 2019 |
| Ningbo DY Import and Export Co., Ltd | Extraterritorial | 2022 |
| Ningbo GP Industry Limited | Administrative & support | 2015 |
| Ningbo PAL International Trading Co., Ltd. | Extraterritorial | 2019 |
| Ningbo Sanquan Trading Co., Ltd | Wholesale & retail | 2023 |
| Ningbo Shimaotong International Co., Ltd. | Wholesale & retail | 2023 |
| Ningbo Titan Unichem Co., Ltd. | Administrative & support | 2015 |
| Ningbo Xingwei Technology Co Ltd | Wholesale & retail | 2025 |
| Ningbo Youph Automation Ltd | Manufacturing | 2022 |
| Ningdeshidaizf Co., Ltd | Wholesale & retail | 2025 |
| Ningduoduo Ltd | Wholesale & retail | 2024 |
| Ningguo Dexin New Materials Co., Ltd. | Administrative & support | 2021 |
| Ningjuli Co., Ltd | Wholesale & retail | 2024 |
| Ningningkejizf Co., Ltd | Wholesale & retail | 2025 |
| Ninja Software Ltd | Information & communication | 2025 |
| Ninth Planet T-Shirts Limited | Wholesale & retail | 2015 |
| Ninth Valley Limited | Administrative & support | 2016 |
| Nirmu Ltd | Wholesale & retail | 2025 |
| Nisgur Ltd | Extraterritorial | 2024 |
| Nishen Digital Ltd | Wholesale & retail | 2025 |
| Nitewing Consultants Ltd | Administrative & support | 2011 |
| Nitlink Solutions Limited | Information & communication | 2024 |
| Nitya Estates Limited | Real estate | 2023 |
| Niubility Co., Ltd | Manufacturing | 2024 |
| Niuwen Ltd | Wholesale & retail | 2024 |
| Niuzi Dada Cloud Limited | Wholesale & retail | 2024 |
| Nivira Ltd | Wholesale & retail | 2025 |
| Nivora Connections Ltd | Wholesale & retail | 2025 |
| Nixi Capital Limited | Financial services | 2018 |
| Njzy Ltd | Wholesale & retail | 2025 |
| NK Crestline Limited | Wholesale & retail | 2025 |
| NKT Bearings Ltd | Manufacturing | 2025 |
| NKT Properties Ltd | Real estate | 2026 |
| NL Renewable Services Ltd | Construction | 2025 |
| Nl.Legal LLP | | 2018 |
| NLP and Wellbeing Ltd | Administrative & support | 2019 |
| NNE Health and Beauty Ltd | Administrative & support | 2025 |
| NO Filter Aesthetics by Pasha Ltd | Other services | 2024 |
| NO Tude Just Chill CIC | Health & social care | 2020 |
| NOA Beauty Ltd | Wholesale & retail | 2024 |
| Noaboo.Com Ltd | Wholesale & retail | 2025 |
| Noba Games Ltd | Information & communication | 2024 |
| Noble Knowhow Ltd | Other services | 2021 |
| Noble Lions Ltd. | Professional & scientific | 2006 |
| Noble Live Limited | Wholesale & retail | 2025 |
| Nobody Pro Ltd | Manufacturing | 2025 |
| Nocton Park Management Limited | Households | 1989 |
| Nodie Electronic Commerce Limited | Wholesale & retail | 2026 |
| Noel Hstrade Ltd | Wholesale & retail | 2025 |
| Noez Agency Limited | Wholesale & retail | 2026 |
| Nogafit Ltd | Wholesale & retail | 2025 |
| Noir Data Consulting Limited | Information & communication | 2021 |
| Noir Mercenaries Ltd | Wholesale & retail | 2026 |
| Noire Wellness Ltd | Education | 2026 |
| Noirel Ltd | Wholesale & retail | 2026 |
| Nollie Trading Ltd | Wholesale & retail | 2025 |
| Noma Beta Ltd | Wholesale & retail | 2023 |
| Nomad RIG Ltd | Manufacturing | 2025 |
| Nominee Holdings Limited | Professional & scientific | 2021 |
| NON Exec Advisory Limited | Information & communication | 2023 |
| Nondela Ltd | Information & communication | 2023 |
| Nonna Recruitment Ltd | Administrative & support | 2024 |
| Nonnie Ventures Ltd | Wholesale & retail | 2025 |
| Nontessa Enrose Ltd | Wholesale & retail | 2025 |
| Noon Medical Ltd | Information & communication | 2022 |
| Noor Boutique Limited | Wholesale & retail | 2025 |
| Noova Ltd | Wholesale & retail | 2024 |
| Nora XU Limited | Information & communication | 2025 |
| Nora's Dream Ltd | Information & communication | 2025 |
| Norbright Industry Co., Limited | Administrative & support | 2012 |
| Nord Mont Limited | Wholesale & retail | 2024 |
| Norderns Ltd | Wholesale & retail | 2025 |
| Nordic Iceguide Travel Agency Ltd | Administrative & support | 2025 |
| Norfolk and Chance Ltd | Wholesale & retail | 2021 |
| Norfolk Car Care Ltd | Transport & logistics | 2024 |
| Norfolk Retreats Ltd | Hospitality | 2024 |
| Normal Citizen LLP | | 2020 |
| Norsal Rock Ltd | Administrative & support | 2024 |
| North Atlantic Digital Ltd | Professional & scientific | 2025 |
| North Current Ltd | Professional & scientific | 2026 |
| North Print Workwear Ltd | Manufacturing | 2026 |
| North Steel Union Co., Ltd | Administrative & support | 2023 |
| North Tower Consultants Limited | Information & communication | 2020 |
| North West Legal Recruitment Ltd | Administrative & support | 2026 |
| North Yorkshire Plant Hire Ltd | Construction | 2024 |
| Northbridge International Limited | Manufacturing | 2025 |
| Northcroft Building Solutions Ltd | Construction | 2026 |