| Nova Star Properties Limited | Real estate | 2020 |
| Nova Surgical Partnership LLP | | 2025 |
| Nova Systems (International) Ltd | Manufacturing | 1999 |
| Nova Transport Limited | Transport & logistics | 2006 |
| Nova Tree Properties Ltd | Real estate | 2024 |
| Nova VIA Capital Limited | Information & communication | 2025 |
| Novaairbnb Limited | Households | 2026 |
| Novabyte Ltd | Information & communication | 2016 |
| Novae Properties Limited | Real estate | 2024 |
| Novaheat Limited | Wholesale & retail | 2008 |
| Novak Construction Ltd | Construction | 2022 |
| Novalk Technologies Ltd | Information & communication | 2025 |
| Novamarque Limited | Information & communication | 1999 |
| Novapod Limited | Manufacturing | 2022 |
| Novara Build Ltd | Construction | 2024 |
| Novara Health Ventures Ltd | Wholesale & retail | 2026 |
| Novastack Ltd | Wholesale & retail | 2023 |
| Novate Property Ltd | Real estate | 2017 |
| Novato Limited | Real estate | 2003 |
| Novecom Digital Limited | Information & communication | 2022 |
| Novelink Global Ltd | Wholesale & retail | 2026 |
| Novell Tullett Limited | Professional & scientific | 2007 |
| November Properties Four Limited | Extraterritorial | 2003 |
| Novercal Limited | Manufacturing | 2017 |
| Novers Hill Management Company Limited | Households | 2016 |
| Novers Road 1974 Limited | Extraterritorial | 2014 |
| Novi Care Limited | Health & social care | 2022 |
| Novino LP | | 2012 |
| Noviva Health Ltd | Wholesale & retail | 2025 |
| Novo Executive Search and Selection Limited | Administrative & support | 2003 |
| Novo Support Services Ltd | Administrative & support | 2018 |
| Novocontrol Ltd | Manufacturing | 2024 |
| Novoshops Ltd | Wholesale & retail | 2025 |
| Novus Ignite Ltd | Professional & scientific | 2024 |
| Novus Land Ltd | Professional & scientific | 2025 |
| Novus Power Limited | Construction | 2024 |
| Novus Trading Limited | Wholesale & retail | 2007 |
| Novva Support Ltd | Public administration | 2025 |
| Novvo Ltd | Construction | 2023 |
| NOW Berries Ltd | Wholesale & retail | 2023 |
| NOW Nature Ltd | Arts & recreation | 2013 |
| NOW Studio Bristol Ltd | Other services | 2019 |
| NOW What Arts Ltd | Arts & recreation | 2019 |
| Nowakowski Ltd | Transport & logistics | 2018 |
| Nowiamsafe Ltd | Manufacturing | 2025 |
| NOY Property Solutions Limited | Real estate | 2021 |
| Nozzy-E Entertainment Ltd | Information & communication | 2022 |
| NP Distribution Ltd | Manufacturing | 2015 |
| NP Holdings U.K. Limited | Financial services | 2019 |
| NPD Construction Limited | Construction | 2018 |
| NPK Recovery Limited | Manufacturing | 2026 |
| NPR NOW Limited | Professional & scientific | 2010 |
| NPS Logistics Limited | Transport & logistics | 2026 |
| NQH (Co. SEC.) Limited | Professional & scientific | 1989 |
| NQH Limited | Professional & scientific | 1989 |
| NRA Property Developments Ltd | Real estate | 2019 |
| NRB Electrical Contractors Limited | Construction | 2017 |
| NRB Project Engineering Ltd | Administrative & support | 2020 |
| NRC Star Trading Ltd | Information & communication | 2023 |
| Nrff Ltd | Professional & scientific | 2016 |
| NRL Finance Ltd | Financial services | 2015 |
| Nrlr Estates Limited | Real estate | 2019 |
| NRM Estates Ltd | Real estate | 2021 |
| NRM Holdings (Bristol) Ltd | Financial services | 2020 |
| NRP Group Holdings Limited | Financial services | 2023 |
| NRS Building Services Limited | Construction | 2007 |
| NRZ Developments Limited | Construction | 2020 |
| NRZ Properties Ltd | Construction | 2014 |
| NS James (Agricultural Engineers) Ltd | Professional & scientific | 2013 |
| NS Property Solutions Limited | Real estate | 2018 |
| NS Southfield Road (Management) Company Limited | Real estate | 2011 |
| Ns-Qs Limited | Professional & scientific | 2023 |
| NS26 Limited | Construction | 2026 |
| NS4 Ltd | Real estate | 2023 |
| Nsemes Limited | Health & social care | 2014 |
| Nsfw Ltd | Arts & recreation | 2025 |
| NSG. Installations Limited | Construction | 2022 |
| Nsgm Limited | Health & social care | 2014 |
| NSK (PVT) Ltd | Hospitality | 2024 |
| NSL Productions Ltd | Arts & recreation | 2013 |
| NSN Construction Limited | Construction | 2021 |
| Nspho Trading Limited | Hospitality | 2026 |
| Nstg Engineering Limited | Information & communication | 2017 |
| NT Contracting Limited | Construction | 2023 |
| NT Island Operations Ltd | Manufacturing | 2025 |
| NT Property Investments Ltd | Real estate | 2018 |
| Nt&V Construction Limited | Construction | 2016 |
| NTB Estates Ltd | Real estate | 2021 |
| Ntech Investments Ltd | Information & communication | 2023 |
| Ntegrity Insurance Solutions Limited | Financial services | 2007 |
| NTH Holdings Ltd | Administrative & support | 2025 |
| Ntkabs Ltd | Transport & logistics | 2022 |
| NTM Group Limited | Information & communication | 2023 |
| Ntme Ltd | Professional & scientific | 2026 |
| Ntors Solutions Limited | Health & social care | 2024 |
| NTT Ents. Limited | Arts & recreation | 2020 |
| NU Houses Ltd | Real estate | 2019 |
| NU Marvel Ltd | Hospitality | 2026 |
| NU Nano Ltd | Manufacturing | 2011 |
| Nuala Hair and Beauty Ltd | Other services | 2014 |