| Neat Sourcing Ltd | Administrative & support | 2024 |
| Neat-Teeth Orthodontics Limited | Health & social care | 2006 |
| Neatcleaners Ltd | Administrative & support | 2020 |
| Neatedge Cleaning Ltd | Administrative & support | 2024 |
| Neath Coachbuilders Limited | Manufacturing | 1971 |
| Neath Consultancy Services Limited | Administrative & support | 2017 |
| Neatheat Heating & Plumbing Ltd | Construction | 2013 |
| Neatwave Cleaning Limited | Transport & logistics | 2026 |
| Nebula Counselling & Psychotherapy Ltd | Health & social care | 2024 |
| Nebula Distribution Ltd | Wholesale & retail | 2023 |
| Nebula Tutors Ltd | Administrative & support | 2025 |
| Nebulae Consulting Ltd | Information & communication | 2023 |
| Nebulize Ltd | Information & communication | 2025 |
| NEC Plus Ultra Ltd | Education | 2024 |
| Nectar 01 Solutions Ltd | Administrative & support | 2021 |
| Nectar 02 Services Ltd | Administrative & support | 2021 |
| Nectar 02 Solutions Ltd | Administrative & support | 2021 |
| Nectar 06 Solutions Ltd | Administrative & support | 2021 |
| Nectar 8 Recruitment Ltd | Administrative & support | 2021 |
| Nectar 9 Recruits Ltd | Administrative & support | 2021 |
| Nectarine Ltd. | Wholesale & retail | 1995 |
| Nectrabio Ltd | Other services | 2025 |
| Necula Bygg&Tømrer Limited | Extraterritorial | 2025 |
| Nedda's Bar Ltd. | Wholesale & retail | 2011 |
| Nedelec Limited | Construction | 2017 |
| Needle Asylum Limited | Arts & recreation | 2006 |
| Needle in a Finite Field Ltd | Information & communication | 2025 |
| Needleworks PVT Ltd | Manufacturing | 2025 |
| Needy Helper Ltd | Information & communication | 2013 |
| Neelam Professional Services Limited | Wholesale & retail | 2017 |
| Neelamkhan Trading Limited | Wholesale & retail | 2025 |
| Neens Shop Ltd | Wholesale & retail | 2025 |
| Neesh Properties Limited | Households | 2019 |
| Neet Media Services Ltd | Professional & scientific | 2019 |
| NEF Tech Ltd | Information & communication | 2026 |
| Nefertiti Grill Ltd | Hospitality | 2022 |
| Neftora Ltd | Information & communication | 2026 |
| NEG Stay & Retreat Ltd | Hospitality | 2021 |
| Negative.X Limited | Wholesale & retail | 2020 |
| Negocce Service Ltd | Other services | 2019 |
| Negombo Bites Limited | Hospitality | 2025 |
| Negotiis Publishing Limited | Information & communication | 2016 |
| Neige Ltd | Wholesale & retail | 2025 |
| Neighbourhood Bedrooms Ltd | Hospitality | 2020 |
| Neil Frude Psychoeducation Services Limited | Professional & scientific | 2021 |
| Neil Lewis Recruitment Ltd | Administrative & support | 2019 |
| Neil Lockwood Music Limited | Arts & recreation | 2014 |
| Neil Mcevoy Advocacy CYF | Professional & scientific | 2021 |
| Neil Pollard Architect Limited | Professional & scientific | 2003 |
| Neil Soundy Financial Services Limited | Financial services | 2006 |
| Neil Staffer & Co Limited | Professional & scientific | 2012 |
| Neil Wood Plant and Construction Solutions Limited | Construction | 2014 |
| Neil's Cuisine Limited | Hospitality | 2003 |
| Neila Consulting Ltd | Information & communication | 2025 |
| Nekoos Ltd | Wholesale & retail | 2024 |
| Nelga PC | | 2014 |
| Nellen Seed UK Ltd. | Wholesale & retail | 2011 |
| Nelpcf CIC | Information & communication | 2024 |
| Nelra Ltd | Wholesale & retail | 2025 |
| Nelson Analysis Limited | Financial services | 2007 |
| Nelson's Kitchen CIC | Manufacturing | 2026 |
| Nelya Ltd | Information & communication | 2018 |
| NEM Air Cargo Limited | Transport & logistics | 2025 |
| Nembrix Ltd | Wholesale & retail | 2026 |
| Neme IS the Film Ltd | Information & communication | 2026 |
| Nemedian Limited | Administrative & support | 2019 |
| Nemesis Venture Ltd | Professional & scientific | 2024 |
| Nemeth Limited | Transport & logistics | 2019 |
| Nemo Personal Finance Limited | Financial services | 2004 |
| Nems Traders Ltd | Wholesale & retail | 2025 |
| Nenary Limited | Administrative & support | 2019 |
| Nenergy Ltd | Manufacturing | 2016 |
| NEO Decor Studio Ltd | Wholesale & retail | 2025 |
| NEO Energy Storage Ltd | Manufacturing | 2022 |
| NEO Galaxy Ltd | Wholesale & retail | 2025 |
| NEO Haven Ltd | Other services | 2025 |
| NEO Hotels Ltd | Hospitality | 2019 |
| NEO Property Projects Ltd | Real estate | 2022 |
| NEO Sattle Business Support Services Ltd | Administrative & support | 2026 |
| NEO Sattle Real Estates Ltd | Real estate | 2026 |
| NEO Supreme Tech Limited | Wholesale & retail | 2020 |
| NEO UN. Limited | Administrative & support | 2024 |
| NEO Universe LLP | | 2010 |
| Neocorp Experts L.P. | | 2016 |
| Neon Building Services Ltd. | Construction | 2011 |
| Neon Ford Limited | Construction | 2020 |
| Neon Hippo Trading Ltd | Wholesale & retail | 2025 |
| Neon Living Limited | Hospitality | 2025 |
| Neon Tanning Limited | Other services | 2019 |
| Neonbeam Limited | Professional & scientific | 1998 |
| Neonix Web Services Limited | Information & communication | 2007 |
| Neophase Technologies Limited | Information & communication | 2012 |
| Neoqash Limited | Other services | 2025 |
| Neorev Ltd | Wholesale & retail | 2020 |
| Neorock Ltd | Professional & scientific | 2022 |
| Neos 1 Ltd | Hospitality | 2021 |
| Neos 10 Ltd | Hospitality | 2024 |
| Neos 11 Ltd | Hospitality | 2024 |
| Neos 12 Ltd | Hospitality | 2024 |
| Neos 13 Ltd | Hospitality | 2024 |