| Nadas Construct Ltd | Construction | 2024 |
| Nadat and Co Limited | Professional & scientific | 2018 |
| Nadat Group Holdings Limited | Financial services | 2023 |
| Nadia Solution Limited | Financial services | 2015 |
| Naf'G Limited | Wholesale & retail | 2024 |
| Nafk Limited | Wholesale & retail | 2025 |
| NAG Construction Solutions Limited | Construction | 2019 |
| Nagyal Travel Ltd | Other services | 2024 |
| Naija Flavours Kitchen Ltd | Hospitality | 2026 |
| Nails 4 U Ltd | Other services | 2023 |
| NAJ Food Shack Ltd | Hospitality | 2025 |
| Najd Capital Limited | Real estate | 2015 |
| Najma Ayub Bespoke Limited | Real estate | 2025 |
| Nall Investment Group Ltd | Real estate | 2021 |
| Nallamothu Food Group Ltd. | Health & social care | 2023 |
| Nameplate UK Limited | Manufacturing | 1998 |
| Nammick Ltd | Transport & logistics | 2024 |
| Nanciu Trans Ltd | Transport & logistics | 2020 |
| Nanmar Properties (Sparkhill) Limited | Administrative & support | 1966 |
| Nanotech Environmental Limited | Administrative & support | 2003 |
| Nanotech Safety and Security Limited | Professional & scientific | 2003 |
| Naottigsp Ltd | Health & social care | 2015 |
| NAP Consulting Services Ltd | Real estate | 2017 |
| Napier Road 1968 Limited | Extraterritorial | 2014 |
| Naptor Entertainment Ltd | Wholesale & retail | 2019 |
| NAR Logistics Limited | Transport & logistics | 2026 |
| Narita Limited | Wholesale & retail | 2007 |
| Narmy Ltd | Manufacturing | 2025 |
| Nasan Valeting Ltd | Administrative & support | 2024 |
| Nascar Services Ltd | Transport & logistics | 2021 |
| Nash & Co (PVT) Ltd | Real estate | 2024 |
| Nash DOM CIC | Professional & scientific | 2010 |
| Nasiba Limited | Information & communication | 2024 |
| Nasr Group Ltd | Professional & scientific | 2017 |
| Natalie Q Inspire Ltd | Professional & scientific | 2019 |
| Natbro Investment Ltd | Real estate | 2017 |
| Nathan and Sabrina Dennis Ltd | Professional & scientific | 2022 |
| Nathan Pubs Ltd | Hospitality | 2025 |
| Nathan's Paint & Restoration Specialists Ltd | Wholesale & retail | 2018 |
| Nathexter Consultancy Limited | Professional & scientific | 2024 |
| National Advisory Services Ltd | Professional & scientific | 2021 |
| National Car Finance Ltd | Wholesale & retail | 2017 |
| National Cargo Limited | Transport & logistics | 2024 |
| National Community Ophthalmology Association Ltd | Administrative & support | 2016 |
| National Mortgages Limited | Financial services | 2025 |
| National Pallet Recycling Solutions Ltd | Professional & scientific | 2020 |
| Nationwide Construction South Limited | | 2014 |
| Nationwide FLT Training Solutions UK Ltd | Other services | 2015 |
| Nationwide Homes Ltd | Real estate | 2024 |
| Nationwide Louvre Company Limited | Manufacturing | 2024 |
| Nationwide Mechanical Ltd | Construction | 2025 |
| Nationwide Travel Limited | Transport & logistics | 2022 |
| Natura Skin Clinic Limited | Health & social care | 2003 |
| Natural Amenities Ltd | Education | 2015 |
| Natural Nurture Care Limited | Health & social care | 2022 |
| Natural Remedies Limited | Wholesale & retail | 1997 |
| Naturalvent Limited | Construction | 2009 |
| Natures Way Group CIC | Health & social care | 2023 |
| Naunton Developments Limited | Construction | 2019 |
| Naunton Holdings Limited | Construction | 2019 |
| Nautilus Hooks Limited | Manufacturing | 2022 |
| NAV Polaski Ltd | Professional & scientific | 2019 |
| Nawaz & Mumtaz Sons Ltd | Administrative & support | 2025 |
| Nays Graze Limited | Hospitality | 2023 |
| NAZ Hussain Legal Limited | Professional & scientific | 2025 |
| Nazir and Sons Properties Ltd | Real estate | 2018 |
| Nbjc One Limited | Professional & scientific | 2015 |
| Nbjc Two Limited | Wholesale & retail | 2015 |
| NC Consultancy Ltd | Professional & scientific | 2021 |
| NC Homes Limited | Real estate | 2020 |
| NC Motors (Birmingham) Limited | Wholesale & retail | 2013 |
| NC Practitioner Ltd | Health & social care | 2021 |
| NCG Sales and Marketing Limited | Professional & scientific | 2005 |
| NCN Property Group Limited | Households | 2019 |
| Ncox Air CON Ltd | Energy | 2025 |
| NCR Services Ltd | Construction | 2023 |
| ND Aesthetic & Nurse Ltd | Health & social care | 2022 |
| Ndolite Limited | Administrative & support | 2019 |
| NDS Decorators Ltd | Construction | 2015 |
| Neacole Cross-Border E-Commerce(Uk) Limited | Wholesale & retail | 2024 |
| Nebs Properties Ltd | Real estate | 2024 |
| Nebula Automotive Ltd | Information & communication | 2018 |
| Nebula Nights Ltd | Extraterritorial | 2023 |
| Nebula Technology Group Ltd | Information & communication | 2022 |
| Nedal Food Products Ltd | Manufacturing | 2015 |
| Nedbrand Ltd | Information & communication | 2025 |
| Neea Ltd | Extraterritorial | 2019 |
| Neelanjana Ltd | Wholesale & retail | 2026 |
| Neelz on Wheelz Ltd | Education | 2025 |
| Neeraj Chugh Ltd | Construction | 2022 |
| Neevdil Ltd | Real estate | 2024 |
| Negrila Foods Ltd | Wholesale & retail | 2018 |
| Neil Quinton Ltd | Health & social care | 2018 |
| Neil RS Logistics Limited | Transport & logistics | 2022 |
| Neil S Taylor Consultancy Ltd. | Professional & scientific | 2016 |
| NEL Logistics Ltd | Transport & logistics | 2025 |
| Nelson Partners Limited | Administrative & support | 2023 |
| Nelu's Auto Repairs Ltd | Wholesale & retail | 2025 |
| Nems Enterprises Ltd | Arts & recreation | 2021 |
| Neolux Living Ltd | Real estate | 2025 |