| N & D Morley Property Ltd | Real estate | 2026 |
| N & R Manufacturing Limited | Manufacturing | 1992 |
| N & S Properties (Midlands) Limited | Real estate | 2020 |
| N R Academy Ltd | Education | 2022 |
| N-Tech Fabrications Ltd | Manufacturing | 2016 |
| N-Tech Laser Ltd | Manufacturing | 2020 |
| N.R.S Laser Cutting Ltd | Professional & scientific | 2015 |
| N99 Electrical Services Ltd | Construction | 2022 |
| Nahd Investments Ltd | Real estate | 2025 |
| Nail Kingdom Limited | Other services | 2025 |
| Nail Kingdom TW Limited | Real estate | 2022 |
| Nail Team Midlands Training Academy Limited | Education | 2020 |
| Najma Catering Limited | Hospitality | 2025 |
| Naman Trading Limited | Wholesale & retail | 2024 |
| Namaste Tamworth Ltd | Hospitality | 2026 |
| Naomi Clews Consultancy Limited | Professional & scientific | 2016 |
| NAS Quality Engineering Limited | Professional & scientific | 2022 |
| Nasm Cctv Serv Ltd. | Administrative & support | 2014 |
| Nathan Reed Limited | Construction | 2016 |
| National Apprenticeship Events and Conferences Limited | Administrative & support | 2017 |
| National Fire Safety Services Limited | Professional & scientific | 2016 |
| National Tyre Recovery Limited | Water & waste | 2017 |
| National Windscreens (Replacements) Limited | Administrative & support | 1982 |
| Nationwide Building Maintenance Services Ltd | Construction | 2020 |
| Naturana Limited Partnership | | 1991 |
| Nature Advisory Services Ltd | Professional & scientific | 2025 |
| Nature Based Engineering Limited | Professional & scientific | 2025 |
| Nature Makers Ltd | Education | 2019 |
| Navinder Dhillon Ltd | Professional & scientific | 2015 |
| Nazki Limited | Health & social care | 2026 |
| NBB Property Maintenance Limited | Construction | 2025 |
| NCC (UK) Limited | Manufacturing | 1995 |
| NCH Autos Ltd | Wholesale & retail | 2006 |
| ND Accountancy Services Limited | Professional & scientific | 2014 |
| ND Enhance Ltd | Other services | 2018 |
| NDC Property Ltd | Real estate | 2025 |
| NDT X-Ray Solutions Limited | Professional & scientific | 2024 |
| Neal Sports Limited | Wholesale & retail | 2020 |
| Neale Properties Ltd | Real estate | 2021 |
| Nedlon Civils Ltd | Construction | 2015 |
| NEE Properties Ltd | Households | 2021 |
| Nelly’S Outdoor Learning Limited | Health & social care | 2026 |
| NEO Air Systems Ltd | Wholesale & retail | 2025 |
| NEO Fonzy Ltd | Financial services | 2019 |
| Neptune Compliance Ltd | Water & waste | 2021 |
| Nero Hand Car Wash Ltd | Other services | 2017 |
| Netlynk MPP Ltd | Agriculture & fishing | 2016 |
| Network 66 Limited | Real estate | 2000 |
| Network Security and Alarms Limited | Administrative & support | 1993 |
| Neuropsychology UK Limited | Health & social care | 2016 |
| Neuteq Europe Limited | Manufacturing | 2005 |
| New Adventures in Enterprise Limited | Financial services | 2018 |
| New ERA Property Development Ltd | Construction | 2018 |
| New Food Ideas Limited | Hospitality | 2003 |
| New Horizon Bereavement Ltd | Education | 2025 |
| New Look Clean Ltd | Administrative & support | 2007 |
| New Sky 1 Ltd | Wholesale & retail | 2025 |
| New Storm Consultancy Ltd | Professional & scientific | 2026 |
| New Urban ERA C.I.C. | Arts & recreation | 2024 |
| New Way Spray Ltd | Construction | 2026 |
| Newbold Management Limited | Professional & scientific | 2025 |
| Newbold Property Holdings Limited | Real estate | 2025 |
| Newborn & Expecting Services Team CIC | Health & social care | 2019 |
| Newco Tamworth Limited | Financial services | 2018 |
| Newsel Properties Limited | Real estate | 2022 |
| Newskin by Sacha Louise Ltd | Other services | 2024 |
| Newstridge Properties Limited | Households | 2019 |
| Newton Cottages Management Company Limited | Real estate | 1995 |
| Next Generation Consulting Ltd | Information & communication | 2023 |
| Next Horizon Limited | Professional & scientific | 2009 |
| Next Level Talent Group Limited | Administrative & support | 2026 |
| Next Place Property Agents Limited | Real estate | 2014 |
| Nextgen Vehicles Limited | Administrative & support | 2025 |
| Nexthorizon Carriers Ltd | Transport & logistics | 2024 |
| Nextwear Ltd | Wholesale & retail | 2026 |
| Nexux-Ai Ltd | Information & communication | 2026 |
| NG Logistic Service Ltd | Transport & logistics | 2022 |
| Niccan Ltd | Transport & logistics | 2020 |
| Nicles Ltd | Transport & logistics | 2022 |
| Niconex Ltd | Transport & logistics | 2015 |
| Nicu VPF Ltd | Transport & logistics | 2017 |
| Nirpal Trading Limited | Wholesale & retail | 2024 |
| Nisokanth Limited | Wholesale & retail | 2023 |
| Njay Studios Ltd | Information & communication | 2025 |
| NLT Contractors Limited | Construction | 2022 |
| NLT Electrical Ltd | Construction | 2013 |
| NLT Estates Limited | Real estate | 2022 |
| NLT Hire Ltd | Administrative & support | 2022 |
| NLT Mechanical Limited | Construction | 2022 |
| NMC Property Solutions Limited | Real estate | 2022 |
| NO1BURGER and Pizza Limited | Hospitality | 2025 |
| Noah's ARK Hotell Ltd | Hospitality | 2026 |
| Noble Property and Projects Co Limited | Real estate | 2021 |
| Noon Associates Limited | Real estate | 1991 |
| Norcrest Limited | Professional & scientific | 2009 |
| Noriega Property Maintenance Ltd | Construction | 2026 |
| Norris and Co Property Solutions Limited | Real estate | 2019 |
| Norris Brothers Garages Limited | Wholesale & retail | 1975 |
| North Midlands Construction Limited | Real estate | 2003 |
| North Star Supplies Ltd | Wholesale & retail | 2026 |