| Navigate Learning Ltd | Education | 2010 |
| Navigation Learning Ltd | Education | 2021 |
| Navix Worldwide Limited | Transport & logistics | 2025 |
| Nayar Consulting Ltd | Administrative & support | 2024 |
| NC Express UK Ltd | Transport & logistics | 2022 |
| NC Quality Homes Ltd | Real estate | 2022 |
| NCI Services Ltd | Construction | 2009 |
| NCN Property Ltd | Real estate | 2026 |
| Ndrew Ltd | Administrative & support | 2017 |
| Neamtzu Ltd | Transport & logistics | 2015 |
| Neatz Solutions Limited | Transport & logistics | 2020 |
| Nechoitsolutions Limited | Information & communication | 2017 |
| Needlehands Clothing and Accessories Limited | Manufacturing | 2021 |
| Neha Food & Wine Ltd | Wholesale & retail | 2024 |
| Nekz Consult Ltd | Information & communication | 2019 |
| Nelli Enterprises Limited | Real estate | 2014 |
| Nelson Road Limited | Real estate | 2018 |
| Nene Inspired Limited | Wholesale & retail | 2023 |
| Neneh Tayyiba Ltd | Health & social care | 2022 |
| Neptune Custom Engineering Limited | Professional & scientific | 2023 |
| Neptune Terrace Management Company Limited | Households | 1995 |
| Nest & Nook Holdings Limited | Construction | 2025 |
| Nest Leasehold Limited | Real estate | 2007 |
| Nest Property Investments Limited | Real estate | 2003 |
| Nestor Bond Consulting Limited | Professional & scientific | 2014 |
| Nettcare Ltd | Health & social care | 2024 |
| Neuops Ltd | Health & social care | 2025 |
| Neurofitnessgym CIC | Education | 2025 |
| Neurosafe C.I.C. | Health & social care | 2026 |
| Nevern Square Films Ltd | Information & communication | 2023 |
| Nevitech IT Solutions Ltd | Information & communication | 2013 |
| New - ERA Consultancy Group Ltd | Administrative & support | 2025 |
| New Build Electrical Ltd | Construction | 2013 |
| New Concept Clearance Limited | Transport & logistics | 2019 |
| New Concept Construction Limited | Construction | 2014 |
| New Dawn Consultancy Limited | Professional & scientific | 2017 |
| New Delhi Spice Ltd | Hospitality | 2024 |
| New Leaf Support Limited | Other services | 2011 |
| New Life Community Church (South Gillingham) Trust | Other services | 2013 |
| New Pond Farm Limited | Administrative & support | 2015 |
| New Spark Healthcare Limited | Health & social care | 2021 |
| New Surfacing Solutions Limited | Administrative & support | 2025 |
| Newbury Fertilisers Ltd | Agriculture & fishing | 2017 |
| Newleaf Living Ltd | Health & social care | 2022 |
| Newman Landscaping & Groundworks Limited | Administrative & support | 2022 |
| Newmed Limited | Wholesale & retail | 2017 |
| Newnham PUB ME9 Ltd | Hospitality | 2014 |
| Newton Williams Properties Limited | Real estate | 2009 |
| Nexbuildpro Ltd | Professional & scientific | 2025 |
| Nextgen Group Services Ltd | Construction | 2026 |
| Nextprime Properties Limited | Real estate | 2007 |
| Nexus Solutions Group Ltd | Wholesale & retail | 2024 |
| Nforced Limited | Information & communication | 2011 |
| NGR (Contractors) Limited | Construction | 2012 |
| NH Electrical Services Limited | Construction | 2024 |
| Nials Property Limited | Real estate | 2015 |
| NIC Buy and Sell Ltd | Wholesale & retail | 2025 |
| Nicholas Steel Ltd | Manufacturing | 2014 |
| Nicholls Haulage Ltd | Transport & logistics | 2025 |
| Nicholls Install Limited | Construction | 2018 |
| Nicholls Nectar Ltd | Wholesale & retail | 2022 |
| Nicholls Villas Limited | Hospitality | 2025 |
| Nicolas Hooper Interiors Limited | Construction | 2012 |
| Nifemi Enterprising Ltd | Health & social care | 2019 |
| Nigel Allen Limited | | 1978 |
| NIK Car MD Limited | Wholesale & retail | 2024 |
| Nimojo Services Ltd | Professional & scientific | 2021 |
| Nim`S Fruit Limited | Manufacturing | 2009 |
| Nine Eternal Ltd | Manufacturing | 2024 |
| NIP Slips Ltd | Wholesale & retail | 2025 |
| Nish Force Limited | Wholesale & retail | 2023 |
| Nitro Tranz Ltd | Wholesale & retail | 2020 |
| Nj-Nj Education Ltd | Transport & logistics | 2021 |
| NJH Accounting Services Ltd | Professional & scientific | 2015 |
| NK Holidays Limited | Administrative & support | 2020 |
| NKC Care Limited | Health & social care | 2014 |
| NKN Retails Ltd | Wholesale & retail | 2022 |
| NM Autos Ltd | Wholesale & retail | 2025 |
| NO121THEGROVE Limited | Arts & recreation | 2014 |
| Noah Ezra Ltd | Real estate | 2023 |
| Nokuzie Ndana Care Ltd | Administrative & support | 2024 |
| NOO Beginnings Animal Sanctuary Ltd | Agriculture & fishing | 2023 |
| Nore Maritime UK Ltd | Manufacturing | 2024 |
| Norford Limited | Wholesale & retail | 2023 |
| Norman Cowans (Sports Promotions) Limited | Administrative & support | 1999 |
| Norman Swann Limited | Construction | 2025 |
| Norris Property Limited | Real estate | 2022 |
| North 96 Limited | Construction | 2024 |
| North Downs Maintenance Services Ltd | Manufacturing | 2015 |
| North Kent Holdings Limited | Financial services | 2021 |
| North Kent Logistics Limited | Transport & logistics | 2007 |
| North Sittingbourne Developments Limited | Professional & scientific | 1987 |
| Northshore Designs Limited | Wholesale & retail | 2009 |
| Northwoodqse Ltd | Professional & scientific | 2020 |
| Norton Design, Build and Development Limited | Real estate | 2016 |
| Norton Mechanical Limited | Construction | 2008 |
| Norton Services Group Limited | Professional & scientific | 2018 |
| Norwyn Community Services Limited | Health & social care | 2010 |
| Norwyn Homes Ltd | Real estate | 2021 |
| Notun Spice Corner Ltd | Hospitality | 2019 |