| North West Music Academy Limited | Arts & recreation | 2015 |
| North West Plumbing and Heating Services Limited | Construction | 2021 |
| Northern Training & Consultancy Ltd | Information & communication | 2019 |
| Northern-Birds Limited | Wholesale & retail | 2026 |
| Northwest Brick & Mortar Ltd | Real estate | 2026 |
| Nova Joan Ltd | Other services | 2022 |
| Nria Limited | Professional & scientific | 2023 |
| Nuclear Project Management & Consultancy Limited | Professional & scientific | 2022 |
| NW Rope Access Solutions Limited | Construction | 2024 |
| NW Vending Solutions Ltd | Wholesale & retail | 2025 |
| Obey Supremacy Ltd | Arts & recreation | 2025 |
| Ocean Construction UK Limited | Construction | 2006 |
| Octopus Collective Limited | Arts & recreation | 2009 |
| Offshore Wind Repairs Ltd | Professional & scientific | 2026 |
| Oics Global Limited | Professional & scientific | 2022 |
| Old School Weekender Ltd | Arts & recreation | 2025 |
| Oldfield Design Co Limited | Wholesale & retail | 2022 |
| OM SAI Superstores Ltd | Wholesale & retail | 2017 |
| Open Volume Ltd | Administrative & support | 2025 |
| Optimum Aesthetics Ltd | Health & social care | 2023 |
| Organic OSH Ltd | Construction | 2025 |
| Oriana Mews Management Company Limited | Households | 1990 |
| Oriental Tea Room Ltd | Hospitality | 2019 |
| Orionquest Ltd | Wholesale & retail | 2024 |
| Osiko Films Ltd. | Information & communication | 2016 |
| Osten Joinery Limited | Construction | 2002 |
| Oxshell Hair Salon Limited | Other services | 2015 |
| Oxshell Healthcare Limited | Health & social care | 2021 |
| Oxshell Kitchens Limited | Hospitality | 2018 |
| P & B Manganiello Limited | Health & social care | 2017 |
| P & L Enterprise (Cumbria) Limited | Other services | 2007 |
| P Dodgson Ltd | Construction | 2018 |
| P Thompson Plant Limited | Transport & logistics | 2019 |
| P&M Smiletech Limited | Health & social care | 2025 |
| P.E.A.R Services Limited | Administrative & support | 2020 |
| Paddock View Limited | Hospitality | 2021 |
| Paej Ltd | Real estate | 2025 |
| Pair Creative Ltd | Professional & scientific | 2017 |
| Paradise Food Wholesale Ltd | Wholesale & retail | 2018 |
| Parker GAS Services (Lakes) Ltd | Construction | 2021 |
| Parkhill Offshore Limited | | 1980 |
| Parkin Shellfish Limited | Agriculture & fishing | 2020 |
| Parklands Engineering Ltd | Professional & scientific | 2013 |
| Parkview Residential Services Limited | Real estate | 2013 |
| Pascoe Developments Limited | Real estate | 2003 |
| Pathway Supported Housing CIC | Real estate | 2026 |
| Pattern Systems Ltd | Information & communication | 2024 |
| Paul Dempsey Limited | Construction | 2003 |
| Paul French Salon Limited | Other services | 2002 |
| Paul Wilson Joinery and Roofing Contractors Ltd | Construction | 2015 |
| PAY4LEADS Ltd | Professional & scientific | 2026 |
| PC Supplies Limited | Information & communication | 2005 |
| PCB Pipefitting Services Limited | Construction | 2012 |
| Pearce Bentley Ltd | Administrative & support | 2023 |
| Pelican of London Limited | Education | 2025 |
| Peps Plumbing & Heating Ltd | Construction | 2017 |
| Perry's OFF Licence Limited | Wholesale & retail | 2010 |
| Perrys OFF License Limited | Wholesale & retail | 2026 |
| Peter Anthony Bayliss Contracting Limited | Real estate | 2018 |
| Peter J While GAS Services Ltd | Construction | 2025 |
| PH Painting & Decorating Services Ltd | Construction | 2018 |
| Phil Collier Associates Limited | Administrative & support | 2014 |
| Philip Green Photography Ltd | Professional & scientific | 2011 |
| Phoenix Consultancy Group Ltd | Professional & scientific | 2020 |
| Phoenix Extreme Ltd | Water & waste | 2026 |
| Phoenix Nights Serviced Accommodation Ltd | Hospitality | 2023 |
| Phoenix PCG Limited | Professional & scientific | 2022 |
| Physio Dawson Ltd | Health & social care | 2008 |
| Pickard Living Ltd | Households | 2018 |
| Piel Ferries Ltd | Transport & logistics | 2021 |
| Pinpoint Property Acquisitions Ltd | Real estate | 2025 |
| Pinpoint Property Development Ltd | Real estate | 2024 |
| Pinpoint Residential Holdings Ltd | Real estate | 2026 |
| PIP Developments Ltd | Real estate | 2022 |
| Pipinstop Limited | Other services | 2016 |
| Pizzarella Pizza Ltd | Hospitality | 2025 |
| PKA Properties Limited | Administrative & support | 2012 |
| Plastic Centre (Barrow) Ltd | Wholesale & retail | 2007 |
| Plastic MAN (Barrow) Ltd | Construction | 2020 |
| Plastic MAN Ltd | Wholesale & retail | 2000 |
| PLATFORM65 Limited | Hospitality | 2024 |
| PLF Management Solutions Ltd | Professional & scientific | 2024 |
| Poiema-Ne'Eman Ltd | Health & social care | 2025 |
| Poole Townsend Employee Ownership Trustee Limited | Professional & scientific | 2024 |
| Poole Townsend Estates Ltd | Real estate | 2017 |
| Portfolio Master Ltd | Real estate | 2013 |
| Potential Difference Ltd | Professional & scientific | 2019 |
| PR Lettings Cumbria Ltd | Real estate | 2025 |
| Practicepa Limited | Information & communication | 2012 |
| Praise Care Services Ltd | Health & social care | 2014 |
| Premier Commercial Cleaning Ltd | Administrative & support | 2010 |
| Premier Property Cumbria Ltd | Real estate | 2026 |
| Premiumcareuk Limited | Education | 2018 |
| Pretty and Personalised by Adele Ltd | Wholesale & retail | 2023 |
| Pretty Little WAX Ltd | Wholesale & retail | 2025 |
| Princeton MED Ltd | Health & social care | 2022 |
| Project John Limited | Health & social care | 2005 |
| Proper Filling Limited | Hospitality | 2021 |
| Prospect Avenue (Barrow in Furness) Management Company Limited | Real estate | 1980 |
| Provincial Street Stores Limited | Wholesale & retail | 2026 |