| NH Glazing Solutions Limited | Construction | 2015 |
| NIC & KIM Hair Studio Ltd | Other services | 2024 |
| NIC Services (West Midlands) Ltd | Other services | 2010 |
| Nice With Ice Ltd | Other services | 2023 |
| Niche Comms Ltd | Information & communication | 2024 |
| Niche Hairdressing Chester Ltd | Other services | 2018 |
| Nieruchomosci Limited | Real estate | 2023 |
| Nigel Richards Driving School Limited | Education | 2024 |
| Nigel Williams Construction Management Services Ltd | Construction | 2020 |
| Nightingale House Hospice | Health & social care | 1994 |
| Nightingale House Lottery Limited | Arts & recreation | 1995 |
| Nikadi Group Limited | Wholesale & retail | 2021 |
| Niklas Roof Cleaning Ltd | Construction | 2025 |
| Nimbus Data Solutions Ltd | Information & communication | 2025 |
| Nixon Property LLP | | 2021 |
| NJR Independent Consulting Limited | Professional & scientific | 2026 |
| NKS DOS Limited | Manufacturing | 2012 |
| NLK Holdings Ltd | Transport & logistics | 1982 |
| Nm-Srm Limited | Professional & scientific | 2020 |
| NME Elite Properties Ltd | Real estate | 2025 |
| NMH Plumbing & Heating Services Limited | Construction | 2008 |
| NMK Limited | Construction | 2003 |
| NML Properties (Cambourne) Ltd | Real estate | 2012 |
| NMV Ltd. | Construction | 1997 |
| NO Limits Powersports Ltd | Wholesale & retail | 2025 |
| NO.25 Bar Ltd | Hospitality | 2026 |
| NO.32 Bar Ltd | Hospitality | 2022 |
| NO13 Estates Ltd | Real estate | 2021 |
| Nobilis Homes Ltd | Real estate | 2025 |
| Nobilis Properties Ltd | Real estate | 2026 |
| Noble Equity Limited | Financial services | 2024 |
| Noble GAS Ltd | Construction | 2020 |
| Noel Edwards Electrical Services Limited | Construction | 2003 |
| Nolte Kitchens Contracts Limited | Construction | 2008 |
| Nomo's Noms Ltd | Manufacturing | 2026 |
| Nonbelonger Limited | Real estate | 2017 |
| Norajohns Cafe Limited | Hospitality | 2021 |
| Noras Smokeshed Ltd | Hospitality | 2022 |
| Norden Home and Decor Ltd | Wholesale & retail | 2019 |
| North and MID Wales Pest Control Limited | Administrative & support | 2025 |
| North East Elevate LP | | 2025 |
| North East Land Limited | Other services | 2022 |
| North East LEP Commercial Property Investment Limited Partnership | | 2022 |
| North East Property (GP) Limited | Financial services | 2000 |
| North East Property LP | | 2017 |
| North East Wales Driver Academy Ltd | Education | 2023 |
| North East Wales Multicultural Hub C.I.C. | Health & social care | 2025 |
| North East Wales Skills Academy Limited | Education | 2024 |
| North END Consulting Engineers Ltd | Professional & scientific | 2016 |
| North Kyme Farm Limited | Agriculture & fishing | 2025 |
| North Shropshire Scaffolding Limited | Construction | 2011 |
| North Star CCA Ltd | Professional & scientific | 2026 |
| North Wales Care Forum Limited | Extraterritorial | 2012 |
| North Wales CBD OIL Ltd | Wholesale & retail | 2024 |
| North Wales Chauffeurs Limited | Transport & logistics | 2025 |
| North Wales Days OUT & Events Ltd | Professional & scientific | 2025 |
| North Wales Dental Group Ltd | Health & social care | 2020 |
| North Wales Electrical Ltd | Construction | 2012 |
| North Wales Energy Grants Ltd | Other services | 2022 |
| North Wales Enterprises Ltd | Other services | 2017 |
| North Wales Funfair Ltd | Administrative & support | 2017 |
| North Wales Guided Tours Ltd | Transport & logistics | 2020 |
| North Wales Inclusion and Diversity CIC | Education | 2024 |
| North Wales Miners Association Trust Ltd | Arts & recreation | 2009 |
| North Wales Property Solutions Ltd | Real estate | 2025 |
| North Wales Roof Repairs Ltd | Construction | 2025 |
| North Wales Science | Education | 2003 |
| North Wales Skills Academy Limited | Education | 2024 |
| North Wales Vehicle Hire Ltd | Administrative & support | 2020 |
| North West Construction and Paving Ltd | Construction | 2025 |
| North West Groundworks and Landscaping Ltd | Construction | 2020 |
| North West Holdings Group Ltd | Wholesale & retail | 2023 |
| North West Loans Npif GP Limited | Financial services | 2017 |
| North West Mezzanine Loans LP | | 2013 |
| North West Recycling Group Ltd | Water & waste | 2022 |
| Northall's Wrought Iron Designs Limited | Manufacturing | 2006 |
| Northeastcare Ltd | Administrative & support | 2024 |
| Northern Supercar Hire Ltd | Administrative & support | 2009 |
| Northshack Performance Ltd | Professional & scientific | 2026 |
| Northwest Contractors Ltd | Construction | 2019 |
| Northwood (Wrexham) Limited | Financial services | 2005 |
| Norton Demolition Management Ltd | Construction | 2015 |
| NOT TOO BAD Events Ltd | Administrative & support | 2024 |
| Notcon Ltd. | Other services | 1997 |
| Notebug Ltd | Arts & recreation | 2023 |
| Notorious Eatz & Sweetz CYF. | Hospitality | 2024 |
| Notorious Eatz in the Streetz Ltd | Hospitality | 2023 |
| Noufal Khader Limited | Health & social care | 2024 |
| Nouveau Capital Ltd | Information & communication | 2021 |
| Nouveau Property Services Ltd | Real estate | 2025 |
| Novel Health Solutions Ltd | Health & social care | 2022 |
| Novello Skin Limited | Health & social care | 2019 |
| Novex ID Ltd | Professional & scientific | 2025 |
| Novus Cambria | Education | 2016 |
| Npif II - Debt NW LP | | 2024 |
| Npif NW Debt LP | | 2017 |
| Npif TVC Debt LP | | 2017 |
| Npng Training Academy Limited | Arts & recreation | 2024 |
| NR Site Services Ltd | Manufacturing | 2023 |
| Nrconsult Limited | Professional & scientific | 2025 |