| NO Middle Ground Productions Ltd | Arts & recreation | 2026 |
| Nord Buck Brand Limited | Wholesale & retail | 2024 |
| North Country Real Estate Limited | Construction | 2023 |
| North Lancashire Citizens Advice Bureau | Health & social care | 2010 |
| North West Breaks Ltd | Wholesale & retail | 2025 |
| North West Construction & Development Limited | Extraterritorial | 1998 |
| North West Estates Group Limited | Real estate | 2021 |
| North West Farrier Services Ltd | Manufacturing | 2015 |
| North West Finishing Solutions Ltd | Manufacturing | 2024 |
| North West Motorcycles Limited | Wholesale & retail | 2015 |
| North West Partners Ltd | Real estate | 2026 |
| North West Window Cleaning Limited | Administrative & support | 2016 |
| Northern Dining Consultants Ltd | Hospitality | 2024 |
| Northern Dining Limited | Hospitality | 2023 |
| Northgate Autobody Ltd | Wholesale & retail | 2022 |
| Northstone Assets Limited | Real estate | 2025 |
| Northwest CSV Limited | Other services | 2026 |
| Northwood Carpentry Ltd | Construction | 2025 |
| NOT Just Bathbombs Ltd | Wholesale & retail | 2022 |
| Novac Construction Limited | Construction | 2021 |
| Novaterm Limited | Wholesale & retail | 2003 |
| NP Lettings (NW) Ltd | Real estate | 2022 |
| NP Property (NW) Ltd | Construction | 2022 |
| NU Link Limited | Hospitality | 2004 |
| Nurjahan Enterprise UK Ltd | Transport & logistics | 2025 |
| NW Comms Ltd | Construction | 2015 |
| NW Stone Supplies Limited | Wholesale & retail | 2025 |
| Nzmt Holdings Limited | Financial services | 2015 |
| O & W Property Limited | Real estate | 2024 |
| O'Donoghue Caravan Parks Ltd | Hospitality | 2020 |
| Oak & Willow Garden Ltd | Wholesale & retail | 2011 |
| Oceanaxis Global Ltd | Wholesale & retail | 2025 |
| Oduz Afromeals Ltd | Manufacturing | 2026 |
| Ohmaeya Limited | Wholesale & retail | 2025 |
| OK Transport Heysham Ltd | Transport & logistics | 2019 |
| Oktem Brothers Limited | Hospitality | 2018 |
| Oktem Investments Limited | Financial services | 2021 |
| Ollie Clarke Training Ltd | Arts & recreation | 2020 |
| OMC Homes Limited | Real estate | 2026 |
| Omlet Property Limited | Real estate | 2019 |
| ON Scene Medical Solutions Ltd | Administrative & support | 2021 |
| ON TAP Mobile Bars Ltd | Hospitality | 2026 |
| ON Target Scaffolding Limited | Construction | 2004 |
| Onchan Haulage Limited | Transport & logistics | 2010 |
| One Every Hour C.I.C. | Other services | 2023 |
| One Four Nine Creatives Ltd | Arts & recreation | 2012 |
| Online Gadgets Ltd | Wholesale & retail | 2011 |
| Onyx Holdco Limited | Financial services | 2024 |
| Onyx Topco Limited | Financial services | 2024 |
| Opendoor Property Management Ltd | Hospitality | 2025 |
| Optimum Coatings Limited | Manufacturing | 2001 |
| Optimum RX Group (EOT) Limited | Financial services | 2024 |
| Optimum RX Group Limited | Professional & scientific | 2007 |
| Orela AI Ltd | Information & communication | 2026 |
| Organic Zone Limited | Wholesale & retail | 2022 |
| Oriental W Ltd | Hospitality | 2016 |
| Orton Services Limited | Mining & quarrying | 2024 |
| Osborne Mews Ltd | Construction | 2020 |
| Otadeploy Limited | Information & communication | 2024 |
| Otobos Consulting Ltd | Information & communication | 2010 |
| OUT of the Woods Media Limited | Information & communication | 2025 |
| Overends Limited | Other services | 2008 |
| O’Fella Records Limited | Information & communication | 2025 |
| P & J Caravan Parks Ltd | Hospitality | 2024 |
| P L Wood Limited | Health & social care | 2009 |
| P W Building Contractors Ltd | Construction | 2003 |
| P&D Taxi Ltd | Transport & logistics | 2025 |
| P&J Simpkin Limited | Wholesale & retail | 2020 |
| P-S Auto Services Ltd | Wholesale & retail | 2003 |
| P. Whitley Limited | Transport & logistics | 2008 |
| P.L.Brucciani(Morecambe)Limited | Manufacturing | 1962 |
| P.M. Tuning Racing Products Limited | Manufacturing | 2002 |
| Pacetable Limited | Wholesale & retail | 1996 |
| PAK Giftly Ltd | Wholesale & retail | 2025 |
| Palace Court Residents Association Limited | Households | 1994 |
| Palm Trading Solutions Ltd | Wholesale & retail | 2026 |
| Panjab Express Ltd | Hospitality | 2025 |
| Paris Fury Ltd | Wholesale & retail | 2022 |
| Parkinson Cumpsty Ltd | Wholesale & retail | 2026 |
| Party Pourers Limited | Hospitality | 2024 |
| Partyu Ltd | Professional & scientific | 2015 |
| Pasf Limited | Hospitality | 2025 |
| Patterson Property Company Limited | Real estate | 2025 |
| Paul Scarr & SON Limited | Wholesale & retail | 2018 |
| Pauls Carpet Services (Heysham) Ltd | Other services | 2012 |
| Pavecraft North West Ltd | Construction | 2025 |
| PCS Couriers Ltd | Transport & logistics | 2026 |
| Peacocks Farm Limited | Agriculture & fishing | 2025 |
| Pearl Touch Ltd | Health & social care | 2014 |
| Pearllux Limited | Wholesale & retail | 2012 |
| Pebblesatthebay Ltd | Wholesale & retail | 2024 |
| Peckish Catering Ltd | Hospitality | 2023 |
| Peddar Street Investments Limited | Real estate | 2012 |
| Peels Wheels Garage Limited | Wholesale & retail | 2026 |
| Peewit Trading Ltd. | Manufacturing | 2017 |
| Peniston Properties Limited | Real estate | 2011 |
| Performance Fusion Limited | Manufacturing | 2025 |
| Peter Burdell Financial Consultancy Limited | Financial services | 2018 |
| Peter Croft Ltd | Construction | 2021 |
| Peterignatiuk Limited | Transport & logistics | 2015 |