| NEB Music CIC | Arts & recreation | 2020 |
| Nebest Fitness and Wellness Limited | Education | 2024 |
| Nebraska Holdings Ltd | Real estate | 2020 |
| Nebula Capital Limited | Information & communication | 2023 |
| Nebula Communications Limited | Information & communication | 2014 |
| Nebula IT Services Limited | Information & communication | 2012 |
| Nebulas Energy Ltd | Manufacturing | 2022 |
| Nechita Limited | Transport & logistics | 2023 |
| Neck on the Line Jewellery Limited | Manufacturing | 2021 |
| Nectar House Ltd | Hospitality | 2023 |
| Nectr Limited | Real estate | 2020 |
| Nedcars Limited | Administrative & support | 2022 |
| Need Cleaning & Logistics Ltd | Transport & logistics | 2026 |
| Need Your Fix.Co Ltd | Hospitality | 2025 |
| Needham Haddrell Management Limited | Professional & scientific | 2009 |
| Needle & Thread Bristol Ltd | Manufacturing | 2020 |
| Needs Auto Transport Ltd | Transport & logistics | 2019 |
| Needs Workshop Ltd | Professional & scientific | 2020 |
| Neel Solutions Limited | Real estate | 2018 |
| Neeld Arms (Altus) Ltd | Hospitality | 2021 |
| Neelkanth Properties Limited | Households | 2003 |
| Nees D Collector Ltd | Wholesale & retail | 2025 |
| Neeshad Spice Limited | Hospitality | 2018 |
| Neetrix Limited | Information & communication | 2008 |
| Nefe Limited | Financial services | 2015 |
| Nefra Foods Limited | Hospitality | 2026 |
| Negative Thinking CIC | Professional & scientific | 2023 |
| NEH Margaret,S Co Service Consultant Limited | Health & social care | 2014 |
| Neighbourly Limited | Information & communication | 2012 |
| Neiki Limited | Real estate | 2019 |
| Neil Andrew Freestone Limited | Information & communication | 2017 |
| Neil Brain Drylining Ltd | Construction | 2008 |
| Neil Davidge Music Ltd | Information & communication | 2008 |
| Neil Davidge Productions Limited | Information & communication | 2002 |
| Neil Doble Consulting Ltd | Professional & scientific | 2019 |
| Neil Mortimer Global Enterprises Ltd. | Professional & scientific | 2017 |
| Neil Osment Associates Limited | Professional & scientific | 2006 |
| Neil Phillips Photo & Film Limited | Professional & scientific | 2016 |
| Neil Warner Pictures Ltd | Professional & scientific | 2015 |
| Neil Watson Studio Limited | Professional & scientific | 2014 |
| Neil Whitcombe Limited | Other services | 2014 |
| Neil's Flooring Limited | Administrative & support | 2017 |
| Nekochan Limited | Public administration | 2016 |
| Neksus Nights Limited | Hospitality | 2025 |
| Nelle’S Cupboard Ltd | Wholesale & retail | 2025 |
| Nelly Inc Ltd | Information & communication | 2021 |
| Nellyh&B Ltd | Wholesale & retail | 2022 |
| Nelson & Forge Ltd | Manufacturing | 2018 |
| Nelson Legal LLP | | 2010 |
| Nelson Legal U.K. Ltd | Professional & scientific | 2010 |
| Nelsun Limited | Information & communication | 2018 |
| Nelta Trading Limited | Wholesale & retail | 2025 |
| Neluda Limited | Real estate | 2017 |
| Nembrotha Ltd | Real estate | 2023 |
| Nembus Bess Limited | Energy | 2022 |
| Nemeton Grove Limited | Extraterritorial | 2014 |
| Nemi Social Care Consultancy Limited | Health & social care | 2020 |
| Nempnett Organics Ltd | Agriculture & fishing | 2025 |
| Nemtec Ltd. | Professional & scientific | 2017 |
| NEO Cleaning Limited | Administrative & support | 2026 |
| NEO Estates Limited | Construction | 2005 |
| NEO Hamilton Ltd | Real estate | 2025 |
| Neo-Fossil Ltd | Professional & scientific | 2023 |
| Neohite Consulting Limited | Professional & scientific | 2024 |
| Neoluns Ltd | Extraterritorial | 2025 |
| Neon Candle Theatre Ltd | Arts & recreation | 2019 |
| Neon Daisy CIC | Information & communication | 2021 |
| Neon Jelly Limited | Real estate | 2023 |
| Neon Machines Ltd | Information & communication | 2018 |
| Neons Autos Ltd | Wholesale & retail | 2018 |
| Neonveil Ltd | Manufacturing | 2026 |
| Neos Developments Ltd | Construction | 2020 |
| Neos Investments Ltd | Real estate | 2022 |
| Neowave Consultants Ltd | Information & communication | 2012 |
| Nepda Limited | Hospitality | 2024 |
| Nephelie Technologies Limited | Information & communication | 2023 |
| Nerak Solutions Limited | Professional & scientific | 2011 |
| Nerd Label Services Limited | Arts & recreation | 2015 |
| Neriakpo Ltd | Health & social care | 2018 |
| Nerkin LP | | 2016 |
| Nerkirdam Consult Ltd. | Professional & scientific | 2017 |
| Neroli Studio Ltd | Administrative & support | 2025 |
| Nerra Coast Ltd | Wholesale & retail | 2026 |
| Nerudia Consulting Limited | Professional & scientific | 2015 |
| Nerudia Limited | Professional & scientific | 2013 |
| Nerva Limited | Extraterritorial | 2012 |
| Nerve Wrack Productions Ltd | Arts & recreation | 2017 |
| Neryu Maritime Limited | Transport & logistics | 2025 |
| NES Estates Limited | Real estate | 2019 |
| Nesfield Group Ltd | Real estate | 2026 |
| Nessy Learning Limited | Information & communication | 1999 |
| Nessy Limited | Extraterritorial | 2023 |
| Nest & LET Properties Ltd | Construction | 2026 |
| Nest & Rest Property Rentals Ltd | Households | 2025 |
| Nest Boxes Ltd | Construction | 2023 |
| Nest Consultants Ltd | Professional & scientific | 2014 |
| Nest Consulting Limited | Professional & scientific | 2013 |
| Nest Create Ltd | Professional & scientific | 2023 |
| Nest Design and Build Limited | Construction | 2010 |
| Nest Holding Group Ltd | Construction | 2022 |