| NEO London Ltd | Wholesale & retail | 2024 |
| Neolux Laser Cleaning Ltd | Administrative & support | 2025 |
| Neptune House Holdings Ltd | Financial services | 2026 |
| Neptune House Limited | Health & social care | 2000 |
| Nerijus Roofs Limited | Construction | 2016 |
| Nesan & Co Trading Ltd | Wholesale & retail | 2023 |
| Nesn Limited | Administrative & support | 2026 |
| Nest Plan Design Build Ltd | Construction | 2020 |
| NET Plus Telecom Limited | Information & communication | 2014 |
| NET Suport Ltd | Information & communication | 2025 |
| NET Zero Benefits Protection Ltd | Financial services | 2026 |
| Netrio IT Solutions Limited | Information & communication | 2012 |
| Netsec Solutions Limited | Information & communication | 2016 |
| Nettrix Ltd | Information & communication | 2025 |
| Netup Consulting Ltd | Information & communication | 2022 |
| Neuplatz Ltd | Households | 2023 |
| Neurodiversity Support Network Ltd | Education | 2024 |
| Never 2L8 Driving School Ltd. | Education | 2023 |
| New Hair & Beauty Ltd | Other services | 2015 |
| New Aadis Limited | Hospitality | 2023 |
| New Archstone Ltd | Real estate | 2025 |
| New Build London Construction Ltd | Construction | 2022 |
| New Century Glazing Ltd | Manufacturing | 1998 |
| New City GAS Heating Ltd | Construction | 2023 |
| New City Lodge Limited | Hospitality | 2019 |
| New Coachworks Ltd | Wholesale & retail | 2023 |
| New Deep Haulage Ltd | Transport & logistics | 2022 |
| New Design Building Services Ltd | Construction | 2020 |
| New Door Properties Ltd | Real estate | 2019 |
| New ERA Construction Limited | Construction | 2021 |
| New ERA Interiors (London) Limited | Construction | 2024 |
| New Everest Glazing Limited | Construction | 2010 |
| New Generation Boutique Limited | Wholesale & retail | 2021 |
| New Hayer Properties Limited | Real estate | 2026 |
| New Hayer UK Limited | Real estate | 2025 |
| New Horizon Private Ltd | Administrative & support | 2017 |
| New JSB Building Services Ltd | Construction | 2016 |
| New Kabul Bazaar Ltd | Wholesale & retail | 2017 |
| New Kirpa Construction Ltd | Construction | 2025 |
| New Kitchen Bedroom Ltd | Manufacturing | 2025 |
| New Kitchen Worktop Ltd | Manufacturing | 2020 |
| New Look Developments Ltd | Construction | 2023 |
| New Look Stairs Ltd | Manufacturing | 2018 |
| New NAP Tools Ltd | Wholesale & retail | 2025 |
| New PP Ltd | Wholesale & retail | 2022 |
| New Star DRY Cleaners Limited | Other services | 2018 |
| New Street Pictures Limited | Information & communication | 2012 |
| New Taxi Limited | Transport & logistics | 2026 |
| New Vision Accountants Services Ltd | Professional & scientific | 2026 |
| New Vision Online Store Ltd | Wholesale & retail | 2026 |
| New Wave Barbers Ltd | Other services | 2023 |
| Neways at Home Ltd | Health & social care | 2022 |
| Neways Homes Ltd | Health & social care | 2022 |
| Newbuildera Ltd | Construction | 2025 |
| Newgenon Limited | Real estate | 2022 |
| Newgenon Solutions Limited | Information & communication | 2025 |
| Newman Hire Co. Limited | Manufacturing | 1972 |
| Newton Street HD Limited | Real estate | 2025 |
| Newtone Property Ltd | Real estate | 2021 |
| Nexa Auto Limited | Wholesale & retail | 2025 |
| Nexallied Limited | Administrative & support | 2025 |
| Nexaura Consultant Ltd | Information & communication | 2026 |
| Nexbuild Creations Ltd | Construction | 2025 |
| Nexdat Ltd | Information & communication | 2020 |
| Nexenstial Ltd | Information & communication | 2023 |
| Nexevo UK Ltd | Information & communication | 2013 |
| Nexfence Pave and Roof Ltd | Administrative & support | 2025 |
| Nexgen Marketing Solutions Ltd | Professional & scientific | 2026 |
| Nexora Infra Ltd | Construction | 2026 |
| Nexoramart Enterprises Limited | Wholesale & retail | 2026 |
| Nexspark Limited | Wholesale & retail | 2024 |
| Next Luna Ltd | Administrative & support | 2026 |
| Nextgen Delivery Limited | Transport & logistics | 2025 |
| Nextstep Movers Ltd | Transport & logistics | 2026 |
| Nexus Cash and Carry Ltd | Wholesale & retail | 2026 |
| Nexus Edge GT UK Ltd | Wholesale & retail | 2024 |
| Nexus Electrica Ltd | Construction | 2020 |
| Nexus Insight Services Ltd | Information & communication | 2025 |
| Nexus Logistic Services Ltd | Transport & logistics | 2025 |
| Nexuscom Ltd | Information & communication | 2026 |
| Nexusconnectit Limited | Information & communication | 2024 |
| NGN Detailing Ltd | Wholesale & retail | 2025 |
| Ngsa Ltd | Manufacturing | 2025 |
| NH Hire Ltd | Administrative & support | 2026 |
| Nick's Bricks Ltd | Construction | 2017 |
| Nicol Florist Ltd | Wholesale & retail | 2019 |
| Nigerian Journal of Corporate Crimes Ltd | Education | 2016 |
| Nigerian Women in Diaspora Leadership Forum UK Ltd | Information & communication | 2021 |
| Nightingale House (Care Home) Limited | Health & social care | 2003 |
| NIK Johns Food Hub Limited | Hospitality | 2024 |
| Nikmotors Ltd | Administrative & support | 2020 |
| Nikoio Ltd | Information & communication | 2025 |
| Nikomati Ltd | Construction | 2021 |
| Nilkanth Varni Ltd | Other services | 2023 |
| Nilkantha Limited | Hospitality | 2025 |
| Nina L'Allure Limited | Health & social care | 2012 |
| Nini Brands Limited | Wholesale & retail | 2025 |
| Nion International Limited | Transport & logistics | 2022 |
| Nirlak Consultancies Ltd | Information & communication | 2008 |
| Nirmal & Sons Transport Ltd | Transport & logistics | 2024 |