| Peter Haigh Limited | Real estate | 2020 |
| Peter Hall & SON Ltd | Manufacturing | 2004 |
| Peter W Consulting Limited | Professional & scientific | 2014 |
| Phoenix Event Catering Ltd | Hospitality | 2020 |
| Phoenix Food and Drink Ltd | Manufacturing | 2024 |
| Phoenixology Ltd | Education | 2021 |
| Photography by Gail Ltd | Professional & scientific | 2015 |
| Physical Environment Limited | Professional & scientific | 2003 |
| Pigott Consulting Limited | Professional & scientific | 2014 |
| Pilkington Properties (Morecambe) Limited | Real estate | 2020 |
| Pillans Group Limited | Professional & scientific | 2020 |
| Pinch Property Developments Limited | Construction | 2018 |
| Pink Marshmallow Limited | Wholesale & retail | 2014 |
| Pipecroft Limited | Construction | 2001 |
| Piranha's Swim Schools Limited | Education | 2016 |
| Pivot Furniture Limited | Wholesale & retail | 2016 |
| PIW Autobody Limited | Wholesale & retail | 2014 |
| Pixelly Ltd | Information & communication | 2026 |
| Pizza Perfect Kendal Ltd | Hospitality | 2026 |
| PK Photography & Video Limited | Professional & scientific | 2004 |
| PL Constructing Formation Ltd | Construction | 2025 |
| Planet South Lakes Limited | Construction | 2008 |
| Plantspray Kendal Ltd | Manufacturing | 2019 |
| Pledgepay Ltd | Financial services | 2025 |
| Plumgarths Developments Limited | Real estate | 2001 |
| Plumgarths of Kendal Ltd | Manufacturing | 2001 |
| Pnicholson&Sons Limited | Construction | 2025 |
| Podda and Wren Coffee Roasters Ltd | Manufacturing | 2022 |
| Pods in the Sticks Limited | Hospitality | 2024 |
| Pokéj Ltd | Wholesale & retail | 2025 |
| Polemos-Training Limited | Professional & scientific | 2025 |
| Poodog Holdings Limited | Financial services | 2022 |
| Poseidon Miniature Painting Ltd | Arts & recreation | 2022 |
| Powerbet Limited | Arts & recreation | 2009 |
| Powerlet Limited | Real estate | 2017 |
| Powerplumb Limited | Construction | 2007 |
| PR Books Limited | Wholesale & retail | 2003 |
| Premier Clean (Cumbria) Limited | Administrative & support | 2009 |
| Premier Cosmetics Limited | Wholesale & retail | 2025 |
| Premier Lakes Movies Ltd | Wholesale & retail | 2015 |
| Print Digital Limited | Administrative & support | 2006 |
| Pristine Homeco Ltd Ltd | Administrative & support | 2026 |
| Pro Scaffolding Specialist (Cumbria) Ltd | Construction | 2025 |
| Probert Properties Limited | Real estate | 2024 |
| Procezo Holdings Limited | Financial services | 2022 |
| Proconnect Solutions Ltd | Wholesale & retail | 2024 |
| Production Access Ltd | Professional & scientific | 2012 |
| Productjudge Limited | Households | 1987 |
| Profile (Outdoors) Limited | Information & communication | 2003 |
| Prosafety (UK) Limited | Administrative & support | 2013 |
| Provardis Limited | Information & communication | 1995 |
| Pryors Property Projects Limited | Real estate | 2025 |
| PS Business Matters Limited | Administrative & support | 2012 |
| Pure Cleanse Cleaning Services Ltd | Administrative & support | 2016 |
| Pure Joy Limited | Hospitality | 2025 |
| Pure Need Ltd | Wholesale & retail | 2021 |
| Purple Cupcakes Limited | Wholesale & retail | 2011 |
| Purple Door Homes Ltd | Real estate | 2020 |
| Purple Fish Solutions Limited | Construction | 2012 |
| PVD Motors Limited | Extraterritorial | 1979 |
| PWA Commercials Limited | Wholesale & retail | 2004 |
| Pétiller Management Group Limited | Information & communication | 2024 |
| Q Biotechnologies Ltd | Wholesale & retail | 2006 |
| Q Medical Technologies Ltd | Health & social care | 2005 |
| Q People Development Limited | Professional & scientific | 2021 |
| QS Pilot Ltd | Information & communication | 2026 |
| Quaker Tapestry Ltd | Hospitality | 1994 |
| Quick Reach Logistics Ltd | Transport & logistics | 2024 |
| Quinag Limited | Professional & scientific | 2007 |
| Quintessential Wealth Management Ltd | Financial services | 2017 |
| R & T Contracting Limited | Transport & logistics | 2024 |
| R a & a Mullin Limited | Hospitality | 2022 |
| R and J Mcguinness Company | Construction | 2011 |
| R Birks Plumbing & Heating Limited | Construction | 2001 |
| R D Diesels Ltd | Wholesale & retail | 2020 |
| R W Print Consultants Limited | Administrative & support | 2018 |
| R&O Automotive Ltd | Wholesale & retail | 2025 |
| R.G. Parkins & Partners Limited | Professional & scientific | 2000 |
| R.H. Wilson Limited | Real estate | 1993 |
| Race Ready Ltd | Manufacturing | 2019 |
| Rachel Galley Jewellery Design Ltd | Wholesale & retail | 2009 |
| Rachel Woodward Ltd | Professional & scientific | 2003 |
| Racle Consulting Ltd | Professional & scientific | 2018 |
| Rada Properties Limited | Real estate | 2015 |
| Ragtag Arts C.I.C. | Arts & recreation | 2015 |
| Rail Vehicles CAD Ltd | Information & communication | 2011 |
| Railway Cottages (Newby Bridge) Limited | Extraterritorial | 2009 |
| Raise&Create Limited | Financial services | 2023 |
| Ramsey Holdings Limited | Real estate | 2017 |
| Ravenglass and Eskdale Railway Company Limited(The) | Transport & logistics | 1961 |
| RAY Bryning Limited | Construction | 2006 |
| RBH Consulting and Training Limited | Education | 2014 |
| RBX Geodrill Limited | Professional & scientific | 2024 |
| Rclaurels Limited | Real estate | 2021 |
| Rdbfsh Limited | Financial services | 2017 |
| Rdbifs Ltd | Financial services | 2012 |
| Readyvision Productions Limited | Information & communication | 1999 |
| Real Adventure Limited | Arts & recreation | 2009 |
| Real People Consulting Limited | Administrative & support | 2015 |
| Reckon IT Books Limited | Professional & scientific | 2007 |