| Nags Properties Ltd | Real estate | 2025 |
| Nagsikap Ltd | Professional & scientific | 2026 |
| NAH IT Systems Ltd | Information & communication | 2021 |
| Nahas Investment Corp. Ltd | Wholesale & retail | 2024 |
| Nahj Ltd | Education | 2024 |
| Naid | Education | 2001 |
| Nail Corner Ltd | Other services | 2026 |
| Nail LAB Cardiff Ltd | Other services | 2025 |
| Nail Stamper Ltd | Health & social care | 2025 |
| Nail Time Ltd | Other services | 2021 |
| Nailcraft Cardiff Limited | Other services | 2017 |
| Nailed by Zoella Ltd | Other services | 2021 |
| Nailed IT Solutions Ltd | Construction | 2025 |
| Nailed IT! Building Services Ltd | Construction | 2023 |
| Nails Trip Ltd | Other services | 2019 |
| Naimra Mart Ltd | Wholesale & retail | 2025 |
| Naishi Co., Ltd | Extraterritorial | 2021 |
| NAJ Clinical Services Ltd. | Health & social care | 2018 |
| Najan Ltd | Wholesale & retail | 2021 |
| Nakai Clothing Ltd | Wholesale & retail | 2018 |
| Nakatex Ltd | Wholesale & retail | 2025 |
| Nakira Group Ltd | Hospitality | 2019 |
| Nala London Ltd | Wholesale & retail | 2018 |
| Nalex Properties Ltd | Real estate | 2024 |
| Nalh Limited | Health & social care | 2019 |
| Naljany MNM Limited | Administrative & support | 2024 |
| Nall Scaffolding Ltd | Construction | 2023 |
| Nalsdi Mart Ltd | Wholesale & retail | 2025 |
| Namaa Ltd | Real estate | 2018 |
| Namare GRP Ltd | Professional & scientific | 2023 |
| Namarteys Ltd | Health & social care | 2024 |
| Namaste Creation Craft Ltd | Wholesale & retail | 2025 |
| Namaste Homes Ltd | Real estate | 2021 |
| Nambiema Ltd | Wholesale & retail | 2025 |
| Namerz Limited | Hospitality | 2025 |
| Namic Fabrication Limited | Manufacturing | 2026 |
| Namol Trade Ltd | Wholesale & retail | 2023 |
| Namorse Trade Ltd | Construction | 2020 |
| Nandili Services Ltd | Wholesale & retail | 2021 |
| Nanial's Garm Shed - CVC CYF. | Wholesale & retail | 2020 |
| Nanichi Ltd | Construction | 2017 |
| Nanjing Agrochemical Co., Limited | Professional & scientific | 2008 |
| Nanjing Cyana Chemical Co., Limited | Professional & scientific | 2011 |
| Nano Glass Limited | Manufacturing | 2015 |
| NANO-1000X Investment Limited | Financial services | 2021 |
| Nanofilms Ltd | Professional & scientific | 2024 |
| Nanogan Limited | Manufacturing | 2007 |
| Nanoglobes Limited | Professional & scientific | 2003 |
| Nanoglow Estates Ltd | Real estate | 2025 |
| Nanoglow Scientific Ltd | Professional & scientific | 2023 |
| Nanosurgical Ltd | Health & social care | 2011 |
| Nanosync Ltd | Information & communication | 2022 |
| Nanotech Industries Ltd | Wholesale & retail | 2021 |
| Nanoventive Ltd | Professional & scientific | 2020 |
| Nanpen Limited | Wholesale & retail | 2021 |
| Nant Aman Energy Park Limited | Energy | 2021 |
| Nant Ceiment Energy Park Limited | Energy | 2021 |
| Nant Mithil Energy Park Limited | Energy | 2020 |
| Nant Networks Limited | Information & communication | 2023 |
| Nant Y Castell (Caldicot) Management Company Limited | Households | 2021 |
| Nantco Consultancy Ltd | Professional & scientific | 2025 |
| Nantgarw Garage Limited | Wholesale & retail | 2008 |
| Nantong Rodas Medical Device Co., Ltd. | Extraterritorial | 2021 |
| Nanucompany Ltd | Information & communication | 2025 |
| Naohoa Ltd. | Arts & recreation | 2011 |
| Napeit Limited | Construction | 2025 |
| Napoleon Dough Ltd | Hospitality | 2025 |
| Naqd Al-Khaleej Al-Thahabiya for Trading Ltd | Wholesale & retail | 2024 |
| Naqeeb Ullah Ltd | Wholesale & retail | 2026 |
| Naqvi Traderss Limited | Wholesale & retail | 2025 |
| Nara Restaurant and Shisha Lounge Limited | Hospitality | 2025 |
| Nara Smart Investments Limited | Financial services | 2022 |
| Naracott Life Sciences Limited | Professional & scientific | 2023 |
| Narc Logistics Limited | Other services | 2019 |
| Nargiz Group Ltd | Wholesale & retail | 2025 |
| Nari Palm Juice Beverages Ltd | Manufacturing | 2015 |
| Narijana Cleaning Service Ltd | Administrative & support | 2026 |
| Narq Perfumes Limited | Wholesale & retail | 2026 |
| Narrativenexus Ltd | Information & communication | 2024 |
| Narrowgate Restaurant Ltd | Hospitality | 2018 |
| Nartan Ltd | Administrative & support | 2016 |
| Nartello Limited | Professional & scientific | 1994 |
| Naruto Shop Ltd | Other services | 2025 |
| Nary & NAY Ltd | Other services | 2023 |
| Nasci Global Ltd | Wholesale & retail | 2025 |
| Nascon RCT Ltd | Construction | 2018 |
| Naseeha Youth Project C.I.C. | Health & social care | 2026 |
| Naseem AL Gharb International Trading Limited | Wholesale & retail | 2025 |
| Naseem Investments Ltd | Financial services | 2025 |
| Naseer Ahmed Limited | Information & communication | 2023 |
| Naseershipm Limited | Wholesale & retail | 2025 |
| Naser Global Ltd | Professional & scientific | 2025 |
| Nash & Co Property Group Ltd | Real estate | 2025 |
| Nash Aero Ltd | Professional & scientific | 2025 |
| Nash Clothing Ltd | Wholesale & retail | 2015 |
| Nash Digital Ltd | Administrative & support | 2020 |
| Nash Security Limited | Administrative & support | 2009 |
| Nashe Limited | Information & communication | 2012 |
| Nashellac Ltd | Wholesale & retail | 2010 |
| Nasholly Care Services Limited | Health & social care | 2019 |