| MZD Consultants Ltd | Other services | 2015 |
| MZK Security Ltd | Administrative & support | 2024 |
| MZR Goods Ltd. | Construction | 2025 |
| MZZ Properties Ltd | Real estate | 2016 |
| N & C Construction Contractor Limited | Construction | 2024 |
| N & H Express Ltd | Hospitality | 2024 |
| N & K Consultancy Limited | Health & social care | 2014 |
| N & NS Distributors (Green Street) Ltd | Hospitality | 2006 |
| N & T Renewables Limited | Construction | 2015 |
| N a Supplements Ltd | Manufacturing | 2025 |
| N B Builders (UK) Ltd | Construction | 2010 |
| N Building Services Ltd | Construction | 2026 |
| N Consulting Ltd | Administrative & support | 2012 |
| N H Architecture Limited | Professional & scientific | 2023 |
| N H Builder and Supplier Limited | Construction | 2015 |
| N H Letting & Management Ltd | Real estate | 2016 |
| N Hickey Private Ltd | Real estate | 2025 |
| N Islam Legal Ltd | Professional & scientific | 2023 |
| N K Contractors Ltd | Construction | 2020 |
| N Khan Limited | Health & social care | 2007 |
| N P Real Estate Limited | Real estate | 2021 |
| N Retail Ltd | Wholesale & retail | 2016 |
| N Sehgal Enterprises Ltd | Professional & scientific | 2009 |
| N Singh Properties Ltd | Real estate | 2025 |
| N U Consultants Limited | Health & social care | 2011 |
| N&B Genera Construction Ltd | Construction | 2018 |
| N&D&C Limited | Other services | 2019 |
| N&F Investments Ltd | Real estate | 2019 |
| N&N SP Limited | Hospitality | 2025 |
| N&S Fortuna Ltd | Construction | 2023 |
| N.A.N Electrical Limited | Construction | 2015 |
| N.Dodwal Education Ltd | Education | 2025 |
| N.J. 20 Ltd | Construction | 2020 |
| N.M.S Driving Services Ltd | Transport & logistics | 2015 |
| N.P. Josan Boom Blast Fireworks Ltd | Hospitality | 2025 |
| N.P. Josan Cardiff Ltd | Hospitality | 2025 |
| N.P. Josan Dalston Limited | Hospitality | 2023 |
| N.P. Josan Derby Ltd | Hospitality | 2025 |
| N.P. Josan Group Ltd | Financial services | 2021 |
| N.P. Josan Northampton Ltd | Hospitality | 2025 |
| N.P. Josan Romford Ltd | Hospitality | 2025 |
| N.P. Josan Stoke on Trent Ltd | Hospitality | 2026 |
| N.P. Josan Swansea Ltd | Hospitality | 2026 |
| N.S Morgan Traders Ltd | Administrative & support | 2019 |
| N.S. Accountancy Services Limited | Professional & scientific | 1990 |
| N.T.C. Plant Limited | Transport & logistics | 2010 |
| N.Zz Ltd | Construction | 2025 |
| N10 Bourbons Ltd | Wholesale & retail | 2018 |
| N360 Recruitment Ltd | Administrative & support | 2023 |
| N4S Security Limited | Administrative & support | 2025 |
| NA & Associates Limited | Professional & scientific | 2017 |
| NA & Consultants Limited | Professional & scientific | 2026 |
| NA Carpets & Flooring Limited | Other services | 2024 |
| NA Engineers Ltd | Construction | 2013 |
| NA Global Limited | Construction | 2025 |
| NA Housing Services Limited | Real estate | 2025 |
| NA Prestige Limited | Wholesale & retail | 2025 |
| NA SPV001 Ltd | Real estate | 2024 |
| Naan Staap Ilford Ltd | Hospitality | 2021 |
| Naarz Services Ltd | Wholesale & retail | 2026 |
| Naatiqoaction Ltd | Information & communication | 2023 |
| Naax Fitness Ltd | Wholesale & retail | 2021 |
| NAB Solutions Ltd | Professional & scientific | 2017 |
| Naba Properties Limited | Real estate | 2013 |
| Nabayn Limited | Information & communication | 2026 |
| Nabc Lifting Solutions Ltd | Construction | 2017 |
| Nabdeals Ltd | Wholesale & retail | 2026 |
| Nabeel Ahmad and Sheikh Tariq Mahmood LLP | | 2021 |
| Nabidec Services Limited | Health & social care | 2013 |
| Nabil Ltd | Transport & logistics | 2020 |
| Nabir Foundation Ltd | Other services | 2012 |
| Nabir Group Companies Ltd | Construction | 2025 |
| Nabir Group Limited | Other services | 2016 |
| Nabisw Ltd | Health & social care | 2021 |
| Nabs Consultancy Limited | Financial services | 2011 |
| Nachammai Capital Ltd | Real estate | 2018 |
| Nacr Ltd | Other services | 2019 |
| Nacstaccs Limited | Professional & scientific | 2019 |
| NAD Cuts Ltd | Other services | 2022 |
| Nadeem & Sons Ltd | Administrative & support | 2026 |
| Nadia Consultancy Limited | Professional & scientific | 2012 |
| Nadibuild Ltd | Construction | 2016 |
| Nads Properties Ltd | Real estate | 2022 |
| Nadwi Limited | Transport & logistics | 2024 |
| Nadyya Ltd | Professional & scientific | 2020 |
| Naeem & Sons Enterprises Ltd | Wholesale & retail | 2025 |
| Naeem Estates LLP | | 2024 |
| Nafa Groups Ltd | Information & communication | 2023 |
| Nafasam Limited | Real estate | 2022 |
| Nafdi Limited | Information & communication | 2025 |
| Nafeesa Mahmood Ltd | Wholesale & retail | 2024 |
| Naftek Ltd | Construction | 2003 |
| Nageena Essex Ltd | Real estate | 2024 |
| Nageena Foods Ltd | Hospitality | 2024 |
| Nageena Investments Limited | Real estate | 2021 |
| Nageena Management Services LLP | | 2023 |
| Nageena Midlands Ltd | Real estate | 2024 |
| Nageena Properties Limited | Real estate | 2019 |
| Nagina Restaurant Ltd | Hospitality | 2019 |
| Nagoya Cars Ltd | Wholesale & retail | 2021 |