| Neil Hodge Media & Photography Limited | Professional & scientific | 2013 |
| Neil James Nicolson Limited | Professional & scientific | 2024 |
| Neil Kelly IT Ltd | Information & communication | 2014 |
| Neil Oakey Builders Limited | Construction | 2022 |
| Neil Whitehead Building Design Limited | Administrative & support | 2008 |
| Neil Wilson Consultants Limited | Construction | 2022 |
| Neil's Pristine Wheels Limited | Wholesale & retail | 2023 |
| Neilson Athletics Consultancy Ltd | Professional & scientific | 2022 |
| Neke Limited | Manufacturing | 2020 |
| Neko Bakehouse Ltd | Manufacturing | 2025 |
| Nekrotikk Ltd | Arts & recreation | 2024 |
| Nelions Cars Ltd | Wholesale & retail | 2026 |
| Nelions Properties Ltd | Real estate | 2025 |
| Nelli&Pearlco Limited | Wholesale & retail | 2026 |
| Nellyz Transport Services Ltd | Administrative & support | 2016 |
| Nelmar Trans Ltd | Construction | 2024 |
| Nelson International PTY Ltd | | 2008 |
| Nelson Real Estate Solutions Ltd | Real estate | 2025 |
| Nelson Salon Training Limited | Other services | 2021 |
| Nelsons Solicitors Limited | Professional & scientific | 2010 |
| Nelsons Solicitors Trust Corporation Limited | Administrative & support | 2018 |
| Nelsonslaw LLP | | 2008 |
| Nelsonxcreative Limited | Information & communication | 2016 |
| Nelu G Ltd | Transport & logistics | 2021 |
| NEM Energy Solutions Limited | Administrative & support | 2012 |
| NEM Group Ltd | Real estate | 2021 |
| Nemitas Limited | Professional & scientific | 2025 |
| Nems Community Benefit Services Limited | Health & social care | 2020 |
| Nenako Ltd | Wholesale & retail | 2018 |
| NEO Motorcycles Ltd | Manufacturing | 2019 |
| NEO Nova Studios Limited | Information & communication | 2026 |
| Neoact Ltd | Public administration | 2025 |
| Neodesigns Ltd | Construction | 2000 |
| Neodyme E-Commerce Limited | Wholesale & retail | 2025 |
| Neoeight Ltd | Professional & scientific | 2014 |
| Neoman Ltd | Hospitality | 2019 |
| Neomis Ltd | Professional & scientific | 2014 |
| Neon Avenue Limited | Administrative & support | 2019 |
| Neon Raptor Brewing Company Ltd. | Manufacturing | 2015 |
| Neon Suds Ltd | Wholesale & retail | 2021 |
| NEON18 Ltd | Hospitality | 2024 |
| Neonova Technologies Limited | Wholesale & retail | 2025 |
| Neoteric Homes Ltd | Construction | 2019 |
| Neoun UK Consulting and Development Limited | Professional & scientific | 2024 |
| NEP Midlands Limited | Professional & scientific | 2011 |
| Neptune Fish and Chips Crewe Limited | Hospitality | 2024 |
| Neptune Global Consult Limited | Professional & scientific | 2023 |
| Neptune Properties Ltd | Construction | 2020 |
| Nera Design Limited | Professional & scientific | 2025 |
| Nerd Estates Ltd | Construction | 2025 |
| Nereid Engineering Ltd | Professional & scientific | 2011 |
| Nergiz Bakery Ltd | Hospitality | 2017 |
| Nergiz Shawarma Ltd | Hospitality | 2023 |
| Nero Financial Planning Ltd | Financial services | 2023 |
| Nerop Group Limited | Financial services | 2026 |
| Nerumal Health Limited | Health & social care | 2021 |
| Nessa Lettings Limited | Real estate | 2025 |
| Nesstar Limited | Wholesale & retail | 2019 |
| Nest Dwellings Ltd | Real estate | 2024 |
| Nest Hunters Limited | Real estate | 2024 |
| Nest Management Limited | Information & communication | 2000 |
| Nest of Hope Ltd | Health & social care | 2024 |
| Nest Property (EM) Ltd | Construction | 2024 |
| Nest Services Limited | Information & communication | 2007 |
| Nesting Place (East Midlands) Limited | Health & social care | 2025 |
| Nestrow Ltd | Real estate | 2025 |
| NET Gaming Ltd | Information & communication | 2018 |
| NET69 Limited | Information & communication | 2005 |
| Netherfield Pump Station Ltd | Water & waste | 2019 |
| Netherton Building and Construction Company Limited | Construction | 1934 |
| Netkel Ltd | Health & social care | 2019 |
| Netlink Strategic Consulting Ltd | Information & communication | 2017 |
| Netology EDC Limited | Administrative & support | 2020 |
| Netovate Ltd | Information & communication | 2011 |
| Netreach Solutions Ltd | Information & communication | 2023 |
| Nets & Blinds Factory Outlet Limited | Wholesale & retail | 2002 |
| Netsavvy Creation Ltd | Wholesale & retail | 2025 |
| Netspace Online Limited | Information & communication | 2002 |
| Netstar Group Ltd | Professional & scientific | 2016 |
| Netstar UK Ltd | Information & communication | 2002 |
| Network Creative Studios CIC | Arts & recreation | 2026 |
| Network Experts (UK) Limited | Information & communication | 2007 |
| Network Services (Nottingham) Limited | Manufacturing | 1991 |
| Networx Engineering Limited | Information & communication | 2026 |
| Netxtensive Ltd | Information & communication | 1998 |
| Neugen Group Ltd | Wholesale & retail | 2018 |
| Neugen Properties Ltd | Real estate | 2019 |
| Neulead Ltd | Wholesale & retail | 2021 |
| Neuradyn Ltd | Wholesale & retail | 2024 |
| Neuralspark Limited | Information & communication | 2017 |
| Neurisimo Limited | Health & social care | 2025 |
| Neuro Nurture Care and Support Ltd | Health & social care | 2025 |
| Neuro Support Ltd | Health & social care | 2022 |
| Neuro-Build Ltd | Education | 2025 |
| Neurodivergent Therapeutic Support CIC | Education | 2025 |
| Neuromedica Limited | Health & social care | 2010 |
| Neuronest Ltd | Information & communication | 2023 |
| Neuropah Limited | Health & social care | 2006 |
| Neuropsych Solutions Limited | Health & social care | 2015 |
| Neurorocket CIC | Education | 2024 |