| NO More Absent Fathers (Nmaf) CIC | Education | 2026 |
| NO Name Kitchens Ltd | Other services | 2011 |
| NO Place Productions | Education | 2014 |
| NO Room for Ravers Ltd | Information & communication | 2019 |
| NO Where Inc Ltd | Other services | 2019 |
| NO WIN NO FEE Lawyers Direct Ltd | Administrative & support | 2016 |
| NO.1 BEE Group Ltd | Hospitality | 2022 |
| NO.2 BEE Group Ltd | Hospitality | 2023 |
| NO6 Coffee Formby Ltd | Hospitality | 2024 |
| Noah & Sienna Associates Ltd | Information & communication | 2020 |
| Noahark Adventures Limited | Wholesale & retail | 2025 |
| Noahs Place Limited | Hospitality | 2024 |
| Noba NW Ltd | Construction | 2025 |
| Nobettercleaningservices Ltd | Administrative & support | 2023 |
| Noble Estate Management Limited | Real estate | 2009 |
| Noble Nest Holdings Ltd | Real estate | 2023 |
| Noble Nordmann Limited | Agriculture & fishing | 2005 |
| Noble Prime Ltd | Health & social care | 2019 |
| Noble Pro Management Limited | Other services | 2018 |
| Noble Yang IM Ltd | Administrative & support | 2023 |
| Noble Yang Select Ltd | Professional & scientific | 2025 |
| Noble Yang Xintuo Ltd | Administrative & support | 2025 |
| Noble's Kitchen Ltd | Hospitality | 2022 |
| Nobody Left Behind CIC | Education | 2022 |
| Noctua Jewellery and Workshops Limited | Manufacturing | 2018 |
| Noctua Northwest Ltd | Construction | 2025 |
| NOD Liverpool Ltd | Hospitality | 2025 |
| Node Digital Ltd | Information & communication | 2023 |
| Node DT Group Ltd | Financial services | 2023 |
| Node Finance Ltd | Professional & scientific | 2016 |
| Node IPR Ltd | Professional & scientific | 2022 |
| Node MSP Ltd | Information & communication | 2023 |
| Node Resourcing Ltd | Professional & scientific | 2023 |
| Nodex Design and Print Ltd | Manufacturing | 2024 |
| Nodqbar Ltd | Hospitality | 2025 |
| Nodus ICP Limited | Other services | 2020 |
| Nodus Projects Ltd | Professional & scientific | 2023 |
| NOG Group Limited | Hospitality | 2022 |
| Noir Arts Ltd | Other services | 2020 |
| Noir Media House Ltd | Professional & scientific | 2026 |
| Noirua Ltd | Professional & scientific | 2024 |
| Noise IS Data Ltd | Information & communication | 2022 |
| Noisy BOY Ltd | Information & communication | 2021 |
| Noisy Neighbours Liverpool Ltd | Administrative & support | 2026 |
| Nolan Developments Group Limited | Professional & scientific | 2025 |
| Nolan Developments Limited | Construction | 2020 |
| Nolan Group Holdings Limited | Construction | 2024 |
| Nolan Real Estate Investments Ltd | Real estate | 2024 |
| Nolan Restorations Limited | Construction | 2020 |
| Nolan Sports Management Ltd | Arts & recreation | 2015 |
| Nolan Support Work Ltd | Health & social care | 2024 |
| Nolan Taverns Limited | Hospitality | 2019 |
| Nomad Adventure Vehicles Limited | Wholesale & retail | 2024 |
| Nomad Electrical NW Ltd | Construction | 2025 |
| Nomad Grooming Ltd | Manufacturing | 2016 |
| Nomad Gym Group Limited | Arts & recreation | 2020 |
| Nomad INK Ltd | Administrative & support | 2020 |
| Nomad Lifestyle Limited | Wholesale & retail | 2023 |
| Nomandey Care Ltd | Health & social care | 2020 |
| NON Kontakt Ltd | Professional & scientific | 2025 |
| Noname RUM Limited | Hospitality | 2025 |
| Nonconform Design Limited | Professional & scientific | 2012 |
| Nonconform Limited | Professional & scientific | 1999 |
| Nonnatus Care Ltd | Health & social care | 2026 |
| Nono Food Ltd | Hospitality | 2019 |
| Nonytech Property Ltd | Real estate | 2025 |
| Noodle to WOK Ltd | Hospitality | 2025 |
| Noodles Deluxe Limited | Professional & scientific | 2022 |
| Nook Advisory Limited | Professional & scientific | 2025 |
| Nook Developments Limited | Construction | 2013 |
| Nook Residential Limited | Education | 2017 |
| Noonan Vision Limited | Health & social care | 2019 |
| Noons Holdings Ltd | Financial services | 2025 |
| Noor Curry House Ltd | Hospitality | 2023 |
| Noor Kitchen Liverpool Limited | Hospitality | 2025 |
| Noord Financial Limited | Administrative & support | 2011 |
| Nora Hair Ltd | Other services | 2026 |
| Nora Haulage Ltd | Water & waste | 2024 |
| Norad Care Services Ltd | Administrative & support | 2026 |
| Norbitlink Ltd | Construction | 2023 |
| Norbury (North West) Limited | Real estate | 1995 |
| Norbury (RAN) Limited | Real estate | 2025 |
| Norcote Lodge Management Company Limited | Households | 1985 |
| Nordapex Ltd | Hospitality | 2025 |
| Nordhavn IT Systems Ltd | Information & communication | 2025 |
| Nordic Construction and Joinery Ltd | Construction | 2025 |
| Nordic Mood Ltd | Wholesale & retail | 2016 |
| Nordvest Properties Ltd | Real estate | 2026 |
| Norel Glow Goods Limited | Wholesale & retail | 2024 |
| Norgate Telecom Services Limited | Information & communication | 1987 |
| Norley Properties Limited | Real estate | 2018 |
| Normal Properties Limited | Real estate | 1963 |
| Norman Charles Ltd | Other services | 2020 |
| Norman HAY PLC | Manufacturing | 1946 |
| Norrd Group Ltd | Real estate | 2024 |
| Norris Civil Design Ltd | Professional & scientific | 2022 |
| Norris Green Community Alliance | Other services | 2009 |
| Norris Green Foods Ltd | Hospitality | 2026 |
| Norse Viking Limited | Manufacturing | 2003 |
| Norsea Properties Ltd | Real estate | 2023 |