| Nitag Transport Ltd | Transport & logistics | 2023 |
| Nitasi Limited | Wholesale & retail | 2025 |
| Niva Investments Ltd | Real estate | 2022 |
| Niva Medicare Ltd | Wholesale & retail | 2024 |
| Niva Pharma Ltd | Financial services | 2022 |
| Niwina Ltd | Wholesale & retail | 2026 |
| Niyen Rock Groups Limited | Health & social care | 2017 |
| Nizco Ltd | Real estate | 2021 |
| NJ Prime Properties Limited | Real estate | 2025 |
| Njaro Limited | Manufacturing | 2022 |
| NJB Design and Build Ltd | Construction | 2021 |
| NJC IT Consultancy Limited | Information & communication | 2015 |
| NJC5 Ltd | Transport & logistics | 2026 |
| NJO Consultancy Limited | Health & social care | 2023 |
| NJS Auto Locksmith Ltd | Manufacturing | 2024 |
| NK African Foods & Co Ltd | Hospitality | 2025 |
| NK Beds Ltd | Hospitality | 2018 |
| NK Bodyshop Limited | Wholesale & retail | 2023 |
| NK Driving Ltd | Administrative & support | 2020 |
| NK Electrical and Building Services Ltd | Construction | 2015 |
| NK House Mart Limited | Wholesale & retail | 2026 |
| NK Investment Group Ltd | Real estate | 2021 |
| NK OFF Licence Limited | Wholesale & retail | 2011 |
| NK Renovation Ltd | Construction | 2025 |
| NK Suppliers Ltd | Wholesale & retail | 2026 |
| NKA Pharmacare Ltd | Health & social care | 2025 |
| NKI Developments Limited | Real estate | 2024 |
| NKS Foods Ltd | Hospitality | 2023 |
| NLQ Ltd | Hospitality | 2019 |
| NM Professionals Ltd | Transport & logistics | 2016 |
| NMA Services Limited | Professional & scientific | 2023 |
| Nmic Limited | Education | 2016 |
| NMJ Property Services Limited | Construction | 2016 |
| NMJ Service Centre Limited | Wholesale & retail | 2015 |
| NMN Removals Ltd | Transport & logistics | 2023 |
| NN Property Management Ltd | Real estate | 2025 |
| Nn&A Ltd | Other services | 2020 |
| Nn&M Ltd | Households | 2025 |
| Nnabros Ltd | Construction | 2025 |
| NNK Consultants Ltd | Administrative & support | 2015 |
| NNN Cars Ltd | Wholesale & retail | 2020 |
| Nnuj Limited | Real estate | 2016 |
| NO 1 HOMES2RENT Limited | Real estate | 2025 |
| NO Genius Limited | Transport & logistics | 2015 |
| NO Limit SOLUTION4U Limited | Construction | 2018 |
| NO Limits Food and Learning CIC | Education | 2023 |
| NO Stress ALL Bless Ltd | Health & social care | 2023 |
| NO. 27 Limited | Real estate | 2012 |
| NO. 9AT the Mill Ltd | Wholesale & retail | 2023 |
| NO15 Property Company Ltd | Real estate | 2024 |
| NO1PARTYBOOTH Ltd | Other services | 2016 |
| NOA Supported Living Services Limited | Health & social care | 2022 |
| Noac Enterprise Ltd | Wholesale & retail | 2026 |
| Noah Future Ltd | Transport & logistics | 2026 |
| Noah Unbound Ltd | Wholesale & retail | 2025 |
| Noahs ARK Traffic Management Ltd | Construction | 2025 |
| Noakin Associates Limited | Professional & scientific | 2020 |
| Nobel Build & Repairs Limited | Manufacturing | 2024 |
| Nobel Cuts Ltd | Other services | 2025 |
| Noble Athar Ltd | Wholesale & retail | 2026 |
| Noble Birth Ltd | Wholesale & retail | 2025 |
| Noble IT Solutions Ltd | Information & communication | 2016 |
| Noctisflow Ltd | Information & communication | 2025 |
| Node Farm Ltd | Information & communication | 2025 |
| Nodex Enterprises Limited | Construction | 1975 |
| Nodir Opar Ltd | Hospitality | 2015 |
| Noel Home Ltd | Real estate | 2024 |
| Noel's Design Limited | Construction | 2008 |
| Noelb Ltd | Construction | 2023 |
| Noelia E.T.T Ltd | Administrative & support | 2013 |
| Noir Private Ltd | Construction | 2021 |
| Noir Talent Agency Ltd | Administrative & support | 2024 |
| Nojyad Investments Limited | Financial services | 2026 |
| Noka Brothers Ltd | Construction | 2024 |
| Noli General Construction Limited | Construction | 2025 |
| Nomad Investment Management Ltd | Real estate | 2024 |
| Noman Ecom Ltd | Wholesale & retail | 2026 |
| Nomarsh Limited | Other services | 2018 |
| Nombre Ltd | Information & communication | 2005 |
| Nombres Ltd | Extraterritorial | 2005 |
| Nominate Asset Management Limited | Extraterritorial | 2005 |
| Nominate Ltd. | Extraterritorial | 1998 |
| Nomira Health Care Ltd | Health & social care | 2022 |
| NON Stop Moldova Ltd | Wholesale & retail | 2026 |
| Non-Stop Focus UK Limited | Education | 2024 |
| Nonstop Recruitment Ltd | Administrative & support | 2022 |
| Noobsy Ltd | Extraterritorial | 2024 |
| Noor AL Oudh Limited | Manufacturing | 2025 |
| Noor and the Moon Ltd | Information & communication | 2025 |
| Noor by Nehal Ltd | Wholesale & retail | 2026 |
| Noor E Mahal Limited | Hospitality | 2025 |
| Noor Food Bazaar Ltd | Wholesale & retail | 2025 |
| Noor Health Ltd | Health & social care | 2025 |
| Noor Innovations Ltd | Information & communication | 2025 |
| Noor Mahal (Herts) Ltd | Hospitality | 2016 |
| Noor Mobiles ( Luton ) Ltd | Wholesale & retail | 2020 |
| Noor Products Group Ltd | Wholesale & retail | 2023 |
| Noor Smart Electronics Trading Limited | Wholesale & retail | 2025 |
| Noor Transport Ltd | Transport & logistics | 2019 |
| Noorisons Property Limited | Real estate | 2022 |