| Nestbiz Ltd | Wholesale & retail | 2024 |
| Nestings Group Limited | Construction | 2017 |
| Nestings Limited | Administrative & support | 2005 |
| Nestopia Estates Ltd | Real estate | 2025 |
| Nestr Ltd | Wholesale & retail | 2026 |
| Nestway Property Management Ltd | Real estate | 2026 |
| Nesun Express (Solihull) Limited | Wholesale & retail | 2013 |
| NET Gain Solutions Ltd | Financial services | 2022 |
| NET Plates Ltd | Wholesale & retail | 2010 |
| Netherwood Collectables Limited | Wholesale & retail | 2009 |
| Nettli Limited | Professional & scientific | 2012 |
| Network Associates Limited | Health & social care | 2007 |
| Neuguard Limited | Professional & scientific | 2023 |
| Neural Draft Ltd | Information & communication | 2025 |
| Neural Stack Ltd | Information & communication | 2026 |
| Neuro Physio Solutions Limited | Health & social care | 2014 |
| Neuroflect CIC | Professional & scientific | 2026 |
| Neurology CPD Ltd | Professional & scientific | 2017 |
| Neurosync Technologies Limited | Information & communication | 2025 |
| Neville Court (Management) Limited | Households | 2005 |
| Nevinteriors Ltd | Manufacturing | 2025 |
| New AGE Making Ltd | Wholesale & retail | 2018 |
| New Chapters Care Group Ltd | Hospitality | 2024 |
| New Edition for Publishing Ltd | Information & communication | 2026 |
| New English Birmingham Limited | Real estate | 1996 |
| New ERA Residence Ltd. | Hospitality | 2020 |
| New ID Shirley Ltd | Other services | 2017 |
| New Image Hair Stylists (Solihull) Limited | Other services | 2020 |
| New Image Pvcu Installations Ltd | Construction | 2015 |
| New Olton Chippi Limited | Hospitality | 2024 |
| New Pathways Support Services Limited | Health & social care | 2023 |
| New Star Poultry Limited | Wholesale & retail | 2009 |
| New-Sun LLP | | 2021 |
| Newbold Wealth Management Limited | Professional & scientific | 2020 |
| Newby Gaunt Research Limited | Professional & scientific | 2012 |
| Newcity Property Limited | Real estate | 2024 |
| Newerasupplements Ltd | Hospitality | 2018 |
| Neweys Jewellers Limited | Wholesale & retail | 2007 |
| Newman Heritage Limited | Financial services | 2021 |
| Newnes Consulting Ltd | Professional & scientific | 2022 |
| Nexclime CIC | Information & communication | 2026 |
| Nexicc Limited | Information & communication | 2025 |
| Nexran Limited | Information & communication | 2026 |
| Nexstep Communications Ltd | Construction | 2023 |
| Next Floor Properties Ltd | Real estate | 2025 |
| Next Future Consultancy Ltd | Education | 2025 |
| Next Generation Connection Ltd | Administrative & support | 2024 |
| Next Generation Investments (SPV 1) Limited | Real estate | 2018 |
| Next Level Recruitment LLP | | 2020 |
| Next REG Ltd | Wholesale & retail | 2023 |
| Next REG Plates Ltd | Wholesale & retail | 2024 |
| Next Stop Properties Limited | Real estate | 2018 |
| Next Windows Limited | Administrative & support | 2007 |
| Nextday Ltd | Professional & scientific | 2006 |
| Nexterra Solutions Ltd | Wholesale & retail | 2026 |
| Nextgen Electrical Projects Ltd | Construction | 2024 |
| Nextgentechnologysolutions Ltd | Professional & scientific | 2023 |
| Nextphase People Ltd | Administrative & support | 2025 |
| Nextworkday Ltd | Information & communication | 2018 |
| NEXU5 Ltd | Information & communication | 2025 |
| Nexus Civils Utilities Limited | Information & communication | 2024 |
| Nexus Fibre Limited | Information & communication | 2021 |
| Nexus Nest Properties Ltd | Real estate | 2024 |
| Nexus Portal Limited | Information & communication | 2020 |
| Nexus Property and Facilities Management Ltd | Real estate | 2025 |
| Nexus Strategy Ltd | Professional & scientific | 2022 |
| NFA Enterprises Ltd | Other services | 2018 |
| NG Warwick Car Service Ltd | Transport & logistics | 2023 |
| Ngen Business Solutions Limited | Information & communication | 2009 |
| NGT Limited | Wholesale & retail | 2004 |
| NH & DH Real Estate Limited | Real estate | 2020 |
| NH Optical Services Limited | Health & social care | 2021 |
| NH Smart Solutions Limited | Information & communication | 2021 |
| NHP Properties Ltd | Real estate | 2022 |
| NI Prop Limited | Real estate | 2019 |
| Nibra International Ltd | Wholesale & retail | 2017 |
| Nicedrives Limited | Administrative & support | 2024 |
| Niche Build Ltd | Construction | 2024 |
| Niche Polished Concrete Ltd | Construction | 2019 |
| Nicholas Rawson Language Teaching Ltd | Education | 2021 |
| Nicholls Lefevre & Company Limited | Professional & scientific | 1959 |
| Nick Bacon Associates Ltd | Professional & scientific | 2009 |
| Nick Cannings Limited | Wholesale & retail | 2001 |
| Nick James Consultancy Ltd | Financial services | 2023 |
| Nicklin Packaging Limited | Manufacturing | 2014 |
| Nicklin Property Limited | Extraterritorial | 2014 |
| Nicksmithknee Limited | Health & social care | 2022 |
| Nicola's Kitchen UK Ltd | Manufacturing | 2025 |
| Nicram Engineering Ltd | Professional & scientific | 2016 |
| NID Installations Limited | Manufacturing | 2017 |
| Nigel Sheldon Consultancy Limited | Professional & scientific | 2012 |
| Nigel Smith (Building) Limited | Administrative & support | 2004 |
| Nighthawk Holdings Limited | Financial services | 2020 |
| Nightingale Informatics Consulting Ltd | Professional & scientific | 2026 |
| Niglon Limited | Wholesale & retail | 1966 |
| Nihal Abosaif Tolba Ltd | Real estate | 2018 |
| Nikaf Ltd | Real estate | 2025 |
| Nikar Projects Limited | Real estate | 2021 |
| Nikev Ltd | Real estate | 2023 |
| NIL16 Ltd | Extraterritorial | 2015 |