| Nationwide Property Investment Limited | Real estate | 2015 |
| Nationwide Smart Solutions Ltd | Real estate | 2016 |
| Nationwide Solutions & Facilities Limited | Real estate | 2014 |
| Natty by Nature Ltd | Wholesale & retail | 2025 |
| Natural Gems of Ceylon Limited | Manufacturing | 2021 |
| Natural Hearing Ltd | Wholesale & retail | 2009 |
| Nature Haul Ltd | Hospitality | 2025 |
| Nature Rooms Ltd | Construction | 2020 |
| Nature Treatments Ltd | Professional & scientific | 2023 |
| Nature's HUT Limited | Manufacturing | 2024 |
| Nauman Tech Ltd | Wholesale & retail | 2025 |
| NAV Corp Ltd | Information & communication | 2013 |
| Navkriti Ltd | Administrative & support | 2026 |
| Navy Limited | Transport & logistics | 2023 |
| Nawaab Wedding Services Ltd. | Hospitality | 2020 |
| Nawras Sports Limited | Arts & recreation | 2025 |
| Naxxar Construction Limited | Construction | 2025 |
| Nayaab Iqbal Limited | Information & communication | 2025 |
| Nayab Shah Ltd | Wholesale & retail | 2025 |
| Nayak Enterprises Limited | Wholesale & retail | 2025 |
| NAZ Barber & Beauty Ltd | Other services | 2023 |
| NAZ Pharm Ltd | Health & social care | 2024 |
| Nazakat Enterprises Ltd | Real estate | 2020 |
| Nazari Utility & Denim Atelier Ltd | Wholesale & retail | 2025 |
| Nazexpress Ltd | Transport & logistics | 2025 |
| Nazir and Kora Ltd | Other services | 2019 |
| Nazir Begum Limited | Real estate | 2018 |
| Nazir Estates Ltd | Real estate | 2017 |
| Nazish Shafique Ltd | Wholesale & retail | 2025 |
| Nazomtrading Limited | Health & social care | 2022 |
| NB Foods and Spare Parts Limited | Hospitality | 2025 |
| NB Tax Accountants Ltd | Professional & scientific | 2023 |
| NB Travel Ltd Ltd | Administrative & support | 2025 |
| NBA Environmental Ltd | Water & waste | 2025 |
| NBC Optics Limited | Wholesale & retail | 2024 |
| NBM Grill Limited | Hospitality | 2025 |
| NC Paving Ltd | Construction | 2025 |
| NC Property Developers Ltd | Real estate | 2026 |
| NCG Construction Limited | Other services | 2011 |
| ND Drivers Ltd | Transport & logistics | 2025 |
| ND Food & Wine Limited | Wholesale & retail | 2019 |
| ND Transport Ltd | Transport & logistics | 2021 |
| NDA Luton Ltd | Education | 2025 |
| Ndege Investments Limited | Real estate | 2022 |
| Ndoh Limited | Health & social care | 2022 |
| Neasden Rail Ltd | Manufacturing | 2016 |
| Neat Code Solutions Limited | Wholesale & retail | 2014 |
| Neat Heat UK Ltd | Construction | 2018 |
| Neat JOB Ltd | Other services | 2024 |
| Neat Nest Pro Limited | Administrative & support | 2026 |
| Neat-Run Ltd | Administrative & support | 2026 |
| Neatheat Plumbing & Heating Ltd | Construction | 2021 |
| Neatify Cleaning Services Ltd | Administrative & support | 2025 |
| Nebrida Estate Investments Ltd | Real estate | 2022 |
| Nebulus Ltd | Construction | 2012 |
| NEC HAE Ltd | Wholesale & retail | 2024 |
| Nectar Properties Limited | Real estate | 2017 |
| Neculau Logistics Ltd | Transport & logistics | 2010 |
| Nedia Ltd | Administrative & support | 2020 |
| Neecies Ltd | Information & communication | 2023 |
| Neens Clothing Ltd | Wholesale & retail | 2026 |
| Negasio Ltd | Wholesale & retail | 2022 |
| Negu Property Limited | Construction | 2014 |
| Nehal and Azeem Ltd | Information & communication | 2026 |
| Nehalconsulting Ltd | Information & communication | 2023 |
| Neil Dengel Services Ltd | Construction | 2015 |
| Neirus Services Ltd | Administrative & support | 2026 |
| Nekira Health Solution Limited | Administrative & support | 2026 |
| NEL Bazar Ltd | Hospitality | 2025 |
| Nelly-Jay Company Limited | Construction | 2015 |
| Nelson Motors Limited | Wholesale & retail | 2025 |
| Nemesis Recruitment Ltd | Financial services | 2020 |
| NEO Direction Ltd | Information & communication | 2024 |
| NEO One Group Ltd | Hospitality | 2024 |
| NEO PCB Design Limited | Professional & scientific | 2022 |
| Neopixel Media Ltd | Information & communication | 2024 |
| Neotecuk Ltd | Wholesale & retail | 2025 |
| Neots Property Ltd | Real estate | 2026 |
| Nephere Ltd | Wholesale & retail | 2024 |
| Nepn Holdings Limited | Financial services | 2022 |
| Neps Construction(Uk) Ltd | Construction | 2018 |
| Neptech Limited | Information & communication | 2025 |
| Neptune and NOB Ltd. | Information & communication | 2011 |
| Neptune Entertainment Limited | Arts & recreation | 2023 |
| Neron Logistics Ltd | Transport & logistics | 2024 |
| Nerot Estates Limited | Financial services | 2024 |
| Nesma Global Industrial Solutions Limited | Information & communication | 2026 |
| Nest Aura Solutions Ltd | Wholesale & retail | 2026 |
| Nest Edge Properties Ltd | Real estate | 2025 |
| Nest Inn Luton Limited | Hospitality | 2025 |
| Nest View Housing C.I.C. | Hospitality | 2026 |
| Nestpointsourcing Ltd | Real estate | 2025 |
| Nestro Construction Ltd | Construction | 2026 |
| Nestro Projects Ltd | Construction | 2026 |
| NET Registrar Ltd | Extraterritorial | 2005 |
| NET Registrar Uk.Co Limited | Extraterritorial | 1999 |
| Netbond Accountancy Limited | Information & communication | 2017 |
| Netease Media Co., Ltd. | Information & communication | 2017 |
| Netify Inc Ltd | Information & communication | 2024 |
| Netplant UK Limited | Wholesale & retail | 2011 |