| Nexa Global Trade Ltd | Manufacturing | 2026 |
| Nexa Traders Ltd | Wholesale & retail | 2024 |
| Nexgen Games Limited | Administrative & support | 2020 |
| Nexgen Group Limited | Real estate | 2021 |
| Nexida Limited | Administrative & support | 2021 |
| Nexora Business Services Ltd | Wholesale & retail | 2026 |
| Next Day Insulation Ltd | Wholesale & retail | 2020 |
| Next Day Steel Ltd | Wholesale & retail | 2023 |
| Next Day Timber Limited | Wholesale & retail | 2024 |
| Nexus Connecting Business Ltd | Wholesale & retail | 2025 |
| Nexusit Applications Ltd | Information & communication | 2016 |
| NGF Land Ltd | Real estate | 2018 |
| NGK Holdings Limited | Real estate | 2016 |
| Ngocy Ventures Ltd | Wholesale & retail | 2021 |
| NHJ Contractors Ltd | Construction | 2025 |
| NI4CUU Ltd | Construction | 2014 |
| Nicaro Limited | Administrative & support | 2005 |
| Nice Wash Limited | Administrative & support | 2023 |
| Niche Tailors & Alterations Ltd | Other services | 2023 |
| Nichiei Trading Limited | Administrative & support | 2010 |
| Nichitut Ltd | Construction | 2014 |
| Nick Domestic Service Ltd | Construction | 2019 |
| Nick Leigh Associates Limited | Arts & recreation | 2011 |
| Nico Construction Services Ltd | Construction | 2023 |
| Nicola Food Supplies Limited | Hospitality | 2015 |
| Nicolas Truck Ltd | Transport & logistics | 2019 |
| Nicoll Financial Consultants Limited | Professional & scientific | 2018 |
| Niday Systems Limited | Information & communication | 2014 |
| Nigel Close Residents Company Limited | Real estate | 1982 |
| Nigerian Watch Limited | Extraterritorial | 2012 |
| Nightcrown Ltd | Real estate | 2021 |
| Nightlight Properties Ltd | Construction | 2020 |
| Nightshift Events Limited | Administrative & support | 2025 |
| Nigon Ltd | Administrative & support | 2014 |
| Nigon Properties Limited | Real estate | 2021 |
| Nihar Retail Ltd | Wholesale & retail | 2022 |
| Nikai Investments Ltd | Real estate | 2017 |
| Nikan Food Ltd | Hospitality | 2021 |
| Nikans Food Ltd | Hospitality | 2023 |
| Niki AI Limited | Information & communication | 2025 |
| Niki Icare Ltd | Administrative & support | 2016 |
| Niki Ltd | Real estate | 2022 |
| Nikky Limited | Other services | 2019 |
| Nikolov Electrical Ltd | Construction | 2019 |
| Nikorem Construction Ltd | Construction | 2019 |
| Nikta Rice Ltd | Wholesale & retail | 2019 |
| Niku Building Ltd | Construction | 2023 |
| Nila Properties Limited | Real estate | 2025 |
| Nildil Ltd | Financial services | 2023 |
| Nilkanth Design & Build Limited | Real estate | 2018 |
| Nimhvest Holdings Limited | Real estate | 2020 |
| Nimhvest Limited | Real estate | 2020 |
| Nipala Property Development Ltd | Real estate | 2022 |
| Nirav M Pharma Limited | Financial services | 2026 |
| Nisgold Limited | Professional & scientific | 2007 |
| Nishir Consultancy Ltd | Other services | 2012 |
| Nishma Dental Limited | Health & social care | 2024 |
| Nisi Drinks (UK) Limited | Wholesale & retail | 2020 |
| Niss Installation Limited | Construction | 2021 |
| Niss Properties Ltd | Real estate | 2024 |
| Nistors Construction Ltd | Construction | 2019 |
| Nisup Building Services Ltd | Construction | 2017 |
| Nitai Designs Ltd | Information & communication | 2024 |
| Nitesh Joshi - the Consultancy Ltd | Information & communication | 2019 |
| Nithia Capital Advisors Limited | Professional & scientific | 2020 |
| Nithia Capital Resources Advisors LLP | | 2010 |
| Nittin Accountancy Services Limited | Professional & scientific | 2009 |
| Nityam Technologies Ltd | Information & communication | 2010 |
| Nityantik Ltd | Information & communication | 2024 |
| Niva Investment Property Limited | Real estate | 2025 |
| NK & MH Properties Ltd | Real estate | 2026 |
| Nkan Services Ltd | Transport & logistics | 2024 |
| NKP Property Limited | Real estate | 2016 |
| Nmtech Limited | Wholesale & retail | 2016 |
| Nnaderzai Ltd | Professional & scientific | 2025 |
| Nnsa Limited | Health & social care | 2014 |
| NO Bounce Sport Limited | Professional & scientific | 2019 |
| NO Pasaran Media Ltd | Information & communication | 2019 |
| NO. 1 BRA Limited | Professional & scientific | 2019 |
| NO. 1 IP Limited | Administrative & support | 2019 |
| NO. 23-28 Sterling Avenue RTM Company Ltd | Households | 2023 |
| Noah Bridal Clothing Ltd | Wholesale & retail | 2020 |
| Noah Property Limited | Real estate | 2023 |
| Noaont Solutions Limited | Information & communication | 2024 |
| Noay Ltd | Real estate | 2022 |
| NOB Auto Ltd | Wholesale & retail | 2024 |
| NOB Merchants Limited | Wholesale & retail | 2024 |
| Noble Dove Launderette Ltd | Other services | 2023 |
| Noble Hair London City Ltd | Other services | 2025 |
| Noble International Design & Build Ltd | Construction | 2023 |
| Noblehold Ltd. | Wholesale & retail | 2021 |
| Nobu Trading Ltd | Wholesale & retail | 2011 |
| Nodersoft Limited | Information & communication | 2023 |
| Noella Care Ltd | Health & social care | 2019 |
| Noesis Trading Co. Ltd | Wholesale & retail | 2024 |
| NOF Construction Ltd | Construction | 2023 |
| Noir Studio Ltd | Other services | 2026 |
| Nokan Limited | Real estate | 2008 |
| Nola Investments Limited | Real estate | 2021 |
| Nolimitai Limited | Information & communication | 2025 |