| Nordic Intelligence Ltd | Professional & scientific | 2018 |
| Norduct Limited | Manufacturing | 2015 |
| Norduct Systems Limited | Manufacturing | 2020 |
| Nori IVY Bridal Limited | Extraterritorial | 2022 |
| Norman Hargreaves & Sons Limited | Wholesale & retail | 1954 |
| Normanby Dental (Emergencies) Ltd | Health & social care | 2017 |
| Normannorth Health Ltd | Administrative & support | 2015 |
| Normanton Brick Company Limited | Extraterritorial | 1898 |
| Normanton Golf Club Limited | Arts & recreation | 1980 |
| Norprop Limited | Real estate | 2017 |
| North 360 Real Estate Limited | Real estate | 2023 |
| North East Roofing Ltd | Construction | 2011 |
| North England UK China Business Association Ltd | Other services | 2018 |
| North Ground Ltd | Wholesale & retail | 2026 |
| North Hampshire Studios Ltd | Education | 2019 |
| North Land Property Ltd | Real estate | 2022 |
| North Star Installations Limited | Other services | 2019 |
| North Star Properties Yorkshire Ltd | Real estate | 2025 |
| North West Accounts Ltd. | Professional & scientific | 2014 |
| North West London Dog Walking Ltd | Other services | 2017 |
| Northcote FOX Properties Ltd | Real estate | 2018 |
| Northcountry Homes (Dewsbury Riverside) Limited | Construction | 2024 |
| Northcountry Homes (Horsley Road) Limited | Construction | 2022 |
| Northcountry Homes (Millbrook Lane) Limited | Construction | 2022 |
| Northcountry Homes (Parkwood Rise) Limited | Construction | 2022 |
| Northcountry Homes (Site 1) Limited | Construction | 2023 |
| Northcountry Homes (Site 10) Limited | Construction | 2025 |
| Northcountry Homes (Site 11) Limited | Construction | 2025 |
| Northcountry Homes (Site 3) Limited | Construction | 2023 |
| Northcountry Homes (Site 4) Limited | Construction | 2022 |
| Northcountry Homes (Site 5) Limited | Construction | 2024 |
| Northcountry Homes (Site 6) Limited | Construction | 2024 |
| Northcountry Homes (Site 7) Limited | Construction | 2024 |
| Northcountry Homes (Site 8) Limited | Construction | 2022 |
| Northcountry Homes (Site 9) Limited | Construction | 2025 |
| Northcountry Homes Limited | Construction | 2020 |
| Northern Accessories Limited | Wholesale & retail | 2025 |
| Northern Belle (Holdings) Limited | Transport & logistics | 2017 |
| Northern Belle Limited | Transport & logistics | 1995 |
| Northern Construction Group Limited | Construction | 2018 |
| Northern Contrast Ltd | Information & communication | 2011 |
| Northern Core Projects Ltd | Construction | 2018 |
| Northern Core Properties Ltd | Real estate | 2024 |
| Northern Deckline Limited | Construction | 2018 |
| Northern DJ Ltd | Arts & recreation | 2023 |
| Northern Foods Finance Limited | Financial services | 2000 |
| Northern Foods Grocery Group Limited | Manufacturing | 1936 |
| Northern Foods Limited | Professional & scientific | 1949 |
| Northern Foods Trustees Limited | Administrative & support | 1974 |
| Northern Health Limited | Administrative & support | 2015 |
| Northern Joinery Services Ltd | Construction | 2025 |
| Northern Light Media (Yorkshire) Limited | Administrative & support | 2010 |
| Northern Roofline Limited | Construction | 1998 |
| Northern Sideloaders Limited | Wholesale & retail | 1993 |
| Northern Transmission Services Ltd | Manufacturing | 2025 |
| Northern Truck Services Ltd | Manufacturing | 2017 |
| Northgate (Wakefield) Ltd | Hospitality | 2026 |
| Northgate Barbers Shop Limited | Other services | 2025 |
| Northgate Hairdressing Co Ltd | Other services | 2026 |
| Northgate Leisure Limited | Hospitality | 2019 |
| Northlands Services Limited | Information & communication | 2026 |
| Northridge Coaching & Development Limited | Professional & scientific | 2010 |
| Nortiva Building Services Ltd | Construction | 2026 |
| Nostell Green Renewables Ltd | Wholesale & retail | 2009 |
| Notay Consulting Ltd | Financial services | 2009 |
| Notton Village Shop Limited | Wholesale & retail | 2002 |
| Nouvel Essor Ltd | Manufacturing | 2020 |
| Nova Wakefield District Limited | Administrative & support | 2010 |
| Novafocus Limited | Wholesale & retail | 2017 |
| Novalease Limited | Administrative & support | 2025 |
| Novatech (Yorkshire) Limited | Manufacturing | 2000 |
| Novatra Services Ltd | Wholesale & retail | 2025 |
| Nova’S Nibbles Ltd | Wholesale & retail | 2025 |
| Noveco Limited | Wholesale & retail | 2025 |
| Novipharm Limited | Wholesale & retail | 2025 |
| Novora 3 Limited | Administrative & support | 2020 |
| Novus Construction Yorkshire Ltd | Construction | 2020 |
| Novus Health Direct Limited | Health & social care | 2018 |
| Novus Health Limited | Health & social care | 2007 |
| NOW Then Brewery Ltd | Manufacturing | 2018 |
| Nowak Haulage Ltd | Transport & logistics | 2014 |
| NPS Piping Design Ltd. | Professional & scientific | 2013 |
| NR Health and Hormone Clinic Private Limited | Health & social care | 2025 |
| NRC Construction Ltd | Extraterritorial | 2007 |
| Nrkn Management Limited | Financial services | 2024 |
| Nshcoding Ltd | Information & communication | 2025 |
| Nsolr Ltd | Professional & scientific | 2024 |
| NT Installations Ltd | Construction | 2025 |
| NTA Adikari Ltd | Wholesale & retail | 2020 |
| NTA Property Management Ltd | Real estate | 2023 |
| NTA Trading Ltd | Wholesale & retail | 2025 |
| NTH Electrical Contractors Limited | Construction | 2016 |
| Ntnplus Ltd | Wholesale & retail | 2026 |
| NTR Legal Services Limited | Professional & scientific | 2024 |
| NTR Management WKD Limited | Real estate | 2020 |
| NTS Property Ltd | Real estate | 2022 |
| Nude Collective Ltd | Other services | 2025 |
| Number Logic Limited | Professional & scientific | 2012 |
| Numzone Limited | Wholesale & retail | 2025 |
| Nunbrook Investments Limited | Financial services | 2012 |