| Never Give UP Escape Rooms Ltd | Arts & recreation | 2016 |
| Neville Central Ltd | Real estate | 2017 |
| Nevin Engineering Ltd | Construction | 2023 |
| Nevinsnest Ltd | Real estate | 2020 |
| New Beginnings (North East) Limited | Health & social care | 1995 |
| New Beginnings Incorporated Limited | Professional & scientific | 2014 |
| New Beginnings Specialist Services Limited | Health & social care | 2012 |
| New Bengal Gosforth Ltd | Hospitality | 2019 |
| New Best Bite Ltd | Hospitality | 2026 |
| New Bucharest Ltd Limited | Wholesale & retail | 2026 |
| New Bullas Trading Limited | Professional & scientific | 1989 |
| New Canton Kitchen Limited | Professional & scientific | 2019 |
| New Central News Ltd | Wholesale & retail | 2023 |
| New Concept Pizza Ltd | Hospitality | 2023 |
| New Construction and Repairs Ltd | Construction | 2026 |
| New Cross Property Limited | Construction | 2025 |
| New England Projects Ltd | Other services | 2004 |
| New ERA (NE) Ltd | Hospitality | 2016 |
| New ERA Global Investments Limited | Real estate | 2024 |
| New Fruition Properties Limited | Real estate | 2021 |
| New Health Consulting Ltd | Health & social care | 2025 |
| New Heaton Halal Superstore Ltd | Wholesale & retail | 2020 |
| New Highland Properties Ltd | Real estate | 2017 |
| New Leaf Investments Limited | Real estate | 1978 |
| New Life Cleaning Systems Limited | Professional & scientific | 1982 |
| New Lotus House Investments Limited | Hospitality | 2003 |
| New MAS Bazar Ltd | Wholesale & retail | 2022 |
| New Moti Jheel NE Limited | Hospitality | 2026 |
| New Oriental Investments Limited | Hospitality | 2004 |
| New Quality Pizza (Forrest Hall) Limited | Hospitality | 2016 |
| New Red Fire Limited | Hospitality | 2022 |
| New Shawarma Fattoush Ltd | Hospitality | 2023 |
| New Skills Consulting Limited | Professional & scientific | 2004 |
| New Southern Railway Limited | Transport & logistics | 1995 |
| New Tyne West Development Company LLP | | 2011 |
| New Vision Advertisement, Training & Consultancy Ltd | Transport & logistics | 2019 |
| New Visions Heritage Limited | Professional & scientific | 2016 |
| New Wave New Mind Ltd | Professional & scientific | 2019 |
| New Writing North | Arts & recreation | 1996 |
| New Writing North Enterprises Ltd | Education | 2026 |
| Newbegin Ballet Studio Ltd | Education | 2025 |
| Newbiggin BTS Developments Limited | Construction | 2026 |
| Newbiggin General Dealers Ltd | Wholesale & retail | 2010 |
| Newbiggin Turkish Barber Ltd | Other services | 2017 |
| Newborn Story Photography Limited | Arts & recreation | 2017 |
| Newbridge Motor Company Ltd | Wholesale & retail | 2003 |
| Newburn Foods (Newcastle) Limited | | 1975 |
| Newburn Garage Ltd | Wholesale & retail | 2015 |
| Newburn Riverside Recreation Association Limited | Arts & recreation | 1983 |
| Newburn Sports Services Limited | Arts & recreation | 1992 |
| Newburn Town Hall Limited | Professional & scientific | 2014 |
| Newby Bridge Developments Limited | Construction | 2020 |
| Newcastle & Gateshead TUC Centre Against Unemployment Ltd. | Other services | 1989 |
| Newcastle & Northumbria Funerals Ltd. | Other services | 2018 |
| Newcastle Accountancy Limited | Professional & scientific | 2012 |
| Newcastle Advanced Dentistry Limited | Health & social care | 2012 |
| Newcastle and District Motor Club Ltd | Arts & recreation | 2015 |
| Newcastle Autocentre (Byker) Limited | Wholesale & retail | 2011 |
| Newcastle Balti HUT Limited | Hospitality | 2024 |
| Newcastle Barber Limited | Other services | 2016 |
| Newcastle Bathroom Company Ltd | Other services | 2022 |
| Newcastle Bearing Company Limited | Transport & logistics | 1997 |
| Newcastle Beauty Clinic Limited | Other services | 1999 |
| Newcastle Beer GAS Ltd. | Energy | 2017 |
| Newcastle Blue Star Football Club Limited | Arts & recreation | 2024 |
| Newcastle Bluestar Juniors CIC | Arts & recreation | 2020 |
| Newcastle Boiler Maintenance Ltd | Construction | 2023 |
| Newcastle Bookkeeping and Payroll Services Ltd | Professional & scientific | 2020 |
| Newcastle Building Services Limited | Real estate | 2025 |
| Newcastle Carers | Other services | 2011 |
| Newcastle Carpet & Beds Limited | Wholesale & retail | 2012 |
| Newcastle Carpet Repair Maintenance & Inspection Ltd | Other services | 2024 |
| Newcastle Circus Arts CIC | Health & social care | 2023 |
| Newcastle City Cricket Club C.I.C. | Arts & recreation | 2024 |
| Newcastle City Housing Limited | Real estate | 2024 |
| Newcastle City Juniors FC Sports Club Limited | Arts & recreation | 2008 |
| Newcastle City Rentals Limited | Real estate | 2006 |
| Newcastle Cocktail Kitchen Ltd | Manufacturing | 2024 |
| Newcastle Combat Academy Limited | Arts & recreation | 2012 |
| Newcastle Community Asset Trust | Health & social care | 2013 |
| Newcastle Community Culture Initiative Group Ltd | Hospitality | 2019 |
| Newcastle Complementary Health Limited | Other services | 2002 |
| Newcastle Convenience Store Limited | Wholesale & retail | 2018 |
| Newcastle Cricket Centre Limited | Hospitality | 2014 |
| Newcastle Cricket Club CIC | Arts & recreation | 2015 |
| Newcastle Dance Centre Limited | Education | 2014 |
| Newcastle Decorators Limited | Construction | 2018 |
| Newcastle Development Limited | Construction | 2026 |
| Newcastle Digital Marketing Ltd | Wholesale & retail | 2022 |
| Newcastle Distillery Limited | Hospitality | 2018 |
| Newcastle District Cleaning Ltd | Administrative & support | 2009 |
| Newcastle Domestic Services Limited | Professional & scientific | 2018 |
| Newcastle Drum Tuition Ltd | Education | 2022 |
| Newcastle Eagles (Basketball) Limited | Arts & recreation | 1995 |
| Newcastle East END Football Club Limited | Arts & recreation | 2021 |
| Newcastle Education Group Ltd | Education | 2022 |
| Newcastle ENT Limited | Health & social care | 2022 |
| Newcastle Facilities & Maintenance Limited | Construction | 2018 |
| Newcastle Falcons Ltd | Arts & recreation | 2018 |
| Newcastle Family Funeral Directors Limited | Other services | 2007 |