| Namira Export Solutions Ltd | Wholesale & retail | 2020 |
| Naqvi Hub Ltd | Wholesale & retail | 2025 |
| Narinder Ltd | Wholesale & retail | 2014 |
| Narinder Northern Tea House Ltd | Hospitality | 2025 |
| Narix Ltd | Wholesale & retail | 2023 |
| Narnia Store Ltd | Wholesale & retail | 2021 |
| NAS Iqbal Ltd | Health & social care | 2022 |
| Nasar Travel Ltd | Transport & logistics | 2025 |
| Nashville Ltd | Hospitality | 2020 |
| Nastoria Health Limited | Wholesale & retail | 2025 |
| Natalia Dance Academy Ltd | Arts & recreation | 2026 |
| Natasha Schoolwear Ltd | Wholesale & retail | 2016 |
| Natasha's Limited | Wholesale & retail | 2026 |
| Natecom GB Ltd | Wholesale & retail | 2024 |
| Nater Financial Services Ltd | Financial services | 2021 |
| Nater Properties Ltd | Real estate | 2023 |
| Nation Property Lawyers Ltd | Professional & scientific | 2024 |
| National Facilities Management 247 Limited | Real estate | 2022 |
| National Logistics UK and Europe Ltd | Transport & logistics | 2024 |
| National Utilities Services Limited | Other services | 2020 |
| Nationwide 365 FM Ltd | Construction | 2020 |
| Nationwide Electrical Contractor Services Ltd | Construction | 2015 |
| Nationwide Electrical Solutions Ltd | Construction | 2014 |
| Nationwide Estates & Lettings Limited | Real estate | 2021 |
| Nationwide Floorcovering Installations Limited | Construction | 2014 |
| Nationwide Properties (Yorkshire) Ltd | Real estate | 2019 |
| Nationwide Security Guard Service Limited | Transport & logistics | 2023 |
| Natural Agro Ltd | Wholesale & retail | 2020 |
| Natural by Design Drystone Walling Ltd | Construction | 2017 |
| Naturalcollection Ltd | Financial services | 2022 |
| Nature Wildlife Management Limited | Other services | 2026 |
| Natures AID Ltd | Manufacturing | 1993 |
| Natures Fresh Ltd | Manufacturing | 2024 |
| Naughton Tech Ltd | Professional & scientific | 2025 |
| Nautilus Group Limited | Wholesale & retail | 2016 |
| NAV Projects Ltd | Construction | 2026 |
| NAV Unisex Hair Studio HD Ltd | Other services | 2025 |
| Navi Insights Ltd | Information & communication | 2025 |
| Navinder Singh Ltd | Professional & scientific | 2026 |
| Nawab OIL Ltd | Manufacturing | 2020 |
| Nawaz Optical Ltd | Wholesale & retail | 2018 |
| Nawrocki Ltd | Transport & logistics | 2024 |
| Nawroz Store Ltd | Wholesale & retail | 2023 |
| Nayab Motors Trading Limited | Wholesale & retail | 2026 |
| Naylor-Myers Ltd | Wholesale & retail | 2012 |
| Naz's Properties Ltd | Real estate | 2025 |
| Nazir and Sons Local Ltd | Wholesale & retail | 2026 |
| NB Contractors PVT Ltd | Construction | 2025 |
| NBG Network Group Limited | Information & communication | 2022 |
| NBS Associates Limited | Administrative & support | 2019 |
| NC Access & Maintenance Ltd | Administrative & support | 2019 |
| Ncmm Ltd | Health & social care | 2022 |
| Ndai Limited | Health & social care | 2023 |
| NDG Eshop Limited | Wholesale & retail | 2020 |
| NDG Security Limited | Administrative & support | 2014 |
| NDG Transport Ltd | Transport & logistics | 2024 |
| NDJ Properties Yorkshire Limited | Real estate | 2022 |
| Ndna Services Limited | Other services | 2011 |
| Near Bank Development Ltd | Real estate | 2022 |
| Nearby Huddersfield Limited | Transport & logistics | 2022 |
| Nearby Properties HD Ltd | Households | 2023 |
| Neat & Unique Cleaning Ltd | Administrative & support | 2025 |
| Nebula Asset Management Ltd | Real estate | 2026 |
| Nebula Physio and Wellbeing Ltd | Other services | 2019 |
| Necchi UK Limited | Wholesale & retail | 2021 |
| Nectortree Limited | Real estate | 1983 |
| Need ME Media Limited | Professional & scientific | 2017 |
| Needingadvice.Co.Uk Ltd | Financial services | 2020 |
| Neetaz Private Limited | Other services | 2019 |
| Neetsy Clean Ltd | Administrative & support | 2017 |
| Nefertiti Spades Ltd | Wholesale & retail | 2025 |
| Neighbourly Skills Ltd | Extraterritorial | 2025 |
| Nelson Roller & Rubber Co. Limited | Manufacturing | 1938 |
| Neltech Engineering Limited | Manufacturing | 2025 |
| Nemiad Limited | Information & communication | 2026 |
| Nemo Legal Limited | Professional & scientific | 2024 |
| Neocosmetica Medical Aesthetics Ltd | Wholesale & retail | 2023 |
| Neon Edge Ltd | Wholesale & retail | 2025 |
| Nero Living Ltd | Wholesale & retail | 2025 |
| Nessa’S Aesthetics Training Academy Ltd | Education | 2022 |
| Nest and Nourish Services Ltd | Hospitality | 2026 |
| Nest in Homes Limited | Real estate | 2019 |
| Nether END Farms (Denby Dale) Limited | Agriculture & fishing | 1976 |
| Netheredge Care Limited | Health & social care | 2014 |
| Netherend (Holding) Limited | Agriculture & fishing | 2021 |
| Netherton Community Centre Community Interest Company | Other services | 2016 |
| Netherton Computer Services Ltd | Information & communication | 2024 |
| Netherton Spice Ltd | Hospitality | 2019 |
| Netpoint Solutions Limited | Information & communication | 2011 |
| Netra Medic Ltd | Health & social care | 2025 |
| Netran Property Ltd | Real estate | 2023 |
| Netstratum Limited | Information & communication | 2020 |
| Nettleton Road Garage Limited | Wholesale & retail | 2012 |
| Neville M Oldham Limited | Wholesale & retail | 2003 |
| New Beauty 1ST Ltd | Wholesale & retail | 2026 |
| New Century Escort Co. Ltd | Other services | 2023 |
| New Enterprise Solutions Limited | Administrative & support | 2015 |
| New Hall Chambers & Legal Services Limited | Professional & scientific | 2024 |
| New HEY 1959 Limited | Extraterritorial | 2014 |
| New Horizon Estates Ltd | Real estate | 2025 |