| Novgorod Limited | Manufacturing | 2025 |
| Novinfuel Ltd | Wholesale & retail | 2026 |
| Novion Limited | Wholesale & retail | 2026 |
| Novo (Leicester) Ltd | Other services | 2023 |
| Novo Barbershop Ltd | Other services | 2025 |
| Novo Delta Limited | Financial services | 2021 |
| Novo Mart Ltd | Wholesale & retail | 2025 |
| Novohe Ltd | Information & communication | 2026 |
| Novoline Alliance LP | | 2017 |
| Novoxa Limited | Wholesale & retail | 2025 |
| Novsarka Limited | Financial services | 2020 |
| Novus Psychology Ltd | Education | 2023 |
| NOW Hot Heating Limited | Construction | 2018 |
| NOW OR Never Ltd | Professional & scientific | 2023 |
| NOW Technologies Limited | Wholesale & retail | 2026 |
| NOW YOU Live Limited | Wholesale & retail | 2025 |
| Nozac Telecommunications Ltd | Information & communication | 2017 |
| NP Consulting Service Ltd | Administrative & support | 2015 |
| NP Haulage Ltd | Transport & logistics | 2026 |
| NPA Enterprise Limited | Administrative & support | 2008 |
| Npatel Group Ltd | Professional & scientific | 2025 |
| NPD Datacomms Ltd | Information & communication | 2015 |
| NPD Products Ltd | Wholesale & retail | 2025 |
| NPI Properties (UK) Limited | Real estate | 2018 |
| NPM Contracts & Consultancy Ltd | Construction | 2022 |
| NPR Hospitality Ltd | Hospitality | 2020 |
| NPT IT Ltd | Information & communication | 2026 |
| NPV Consultancy Limited | Information & communication | 2017 |
| NR Asset Management Ltd | Administrative & support | 2023 |
| NR JOE Ltd | Transport & logistics | 2026 |
| NR Optics Ltd | Health & social care | 2022 |
| NR PE in the Community Ltd | Education | 2015 |
| NR Plant Machinery Limited | Manufacturing | 2011 |
| NR the Digital Solutions Company Ltd | Professional & scientific | 2024 |
| Nr&Sk Limited | Real estate | 2024 |
| NRD Partners Ltd | Information & communication | 2025 |
| NRD Recruitment Partnership Ltd | Administrative & support | 2022 |
| NRH Regent Health Group Ltd | Wholesale & retail | 2025 |
| Nrkc Investment Properties Ltd | Real estate | 2023 |
| NRM IT Consulting Ltd | Information & communication | 2020 |
| NRP Realisation Limited | Manufacturing | 1996 |
| NS Accounting Services Limited | Professional & scientific | 2024 |
| NS and PS Braunstone Gate Developments Ltd | Real estate | 2022 |
| NS and PS Developments (UK 5) Limited | Hospitality | 2022 |
| NS and PS Developments (UK3) Limited | Hospitality | 2021 |
| NS and PS Developments (UK4) Limited | Hospitality | 2021 |
| NS and PS Developments (UK6) Limited | Hospitality | 2022 |
| NS and PS Developments Limited | Hospitality | 2017 |
| NS Enforcement Limited | Public administration | 2022 |
| NS Ford Holdings Ltd | Manufacturing | 2024 |
| NS Leicester Ltd | Wholesale & retail | 2024 |
| NS Patel Ltd | Health & social care | 2021 |
| NS World Limited | Wholesale & retail | 2024 |
| Nsap Property Ltd | Real estate | 2024 |
| NSD Global Ltd | Manufacturing | 2018 |
| NSD Projects Ltd | Construction | 2025 |
| NSD Property Investments Limited | Real estate | 2025 |
| NSG Transport Limited | Transport & logistics | 2019 |
| NSH Property Limited | Real estate | 2018 |
| NSJ Haulage Ltd | Transport & logistics | 2024 |
| NSK Automotive Ltd | Wholesale & retail | 2026 |
| NSK Care Ltd | Financial services | 2020 |
| NSK Care Services Limited | Health & social care | 2025 |
| Nskhc Ltd | Construction | 2025 |
| NSL Optics Ltd | Health & social care | 2018 |
| NSM Business Consultancy Limited | Professional & scientific | 2021 |
| Nsmalone Care and Support Limited | Health & social care | 2022 |
| Nspgz Ltd | Wholesale & retail | 2025 |
| Nspire Holdings Limited | Education | 2025 |
| Nsps Holdings Ltd | Financial services | 2021 |
| NSR Capital Holdings Ltd | Financial services | 2021 |
| NSR Data Consultant Limited | Information & communication | 2019 |
| NSS Cars Ltd | Wholesale & retail | 2021 |
| Nssl Group Holdings Limited | Real estate | 2023 |
| Nstaxis Ltd | Transport & logistics | 2025 |
| Nstx Ltd | Wholesale & retail | 2020 |
| Nsui Ltd | Real estate | 2020 |
| NT Cloke Investments Ltd | Real estate | 2024 |
| NT Cloke Pumps and Water Ltd | Manufacturing | 2022 |
| NT Design Office Ltd | Construction | 2018 |
| NT Electric Limited | Manufacturing | 2018 |
| NT Hub Limited | Information & communication | 2026 |
| NT Optical Ltd | Professional & scientific | 2019 |
| NT Products Limited | Wholesale & retail | 2005 |
| NTA Foods Ltd | Wholesale & retail | 2012 |
| Nterone Emea Ltd | Education | 2022 |
| NTK Properties Limited | Real estate | 2020 |
| NTS Scope Limited | Information & communication | 2017 |
| NTW Technology Services Ltd | Information & communication | 2021 |
| NU Form Home Improvements Ltd | Other services | 2014 |
| NU Instruments Limited | Manufacturing | 1995 |
| NU Properties Limited | Real estate | 2020 |
| NU Team Limited | Wholesale & retail | 2006 |
| Nuah Limited | Wholesale & retail | 2020 |
| Nuai Healthcare Service Ltd | Health & social care | 2023 |
| Nube 360 Ltd | Information & communication | 2025 |
| Nubox Limited | Manufacturing | 2001 |
| Nuera Products Limited | Manufacturing | 1927 |
| Nuggets Cleaning Company Ltd | Administrative & support | 2015 |
| Nuha Group Ltd | Health & social care | 2026 |