| Perry's Property Ltd | Real estate | 2019 |
| Perseus Group Holdings Limited | Health & social care | 2025 |
| Pershore Commercials Ltd | Wholesale & retail | 2023 |
| Pershore Motor Group Limited | Wholesale & retail | 2025 |
| Personal Best Events Limited | Professional & scientific | 2020 |
| Personal Overseas Development Limited | Administrative & support | 2002 |
| Personal Realignment Ltd | Health & social care | 2007 |
| Personal Stylists Ltd | Other services | 2019 |
| Personal Touch Skin Clinic Limited | Other services | 2023 |
| Personalis (UK) Limited | Professional & scientific | 2013 |
| Perspective Software Solutions Ltd | Information & communication | 2024 |
| Perton Quarry Limited | Mining & quarrying | 2009 |
| Pervue Limited | Administrative & support | 2005 |
| Perwinnes Solar and Battery Storage Limited | Energy | 2022 |
| Pest Prevention Services Ltd | Administrative & support | 2024 |
| Pete Mayne Services Ltd | Construction | 2024 |
| Pete T Limited | Construction | 2011 |
| Peter a Marshall Architect Limited | Professional & scientific | 2003 |
| Peter Anderson Cars Limited | Wholesale & retail | 1999 |
| Peter Barnes Broadcast Cameras Limited | Information & communication | 2010 |
| Peter Blackburn Limited | Information & communication | 1987 |
| Peter Copland Dental Limited | Health & social care | 2008 |
| Peter Ford Transport Limited | Real estate | 1972 |
| Peter Gilder Services Limited | Wholesale & retail | 2006 |
| Peter Jefferies Butchers Limited | Wholesale & retail | 2026 |
| Peter Jenkins Oncology Limited | Health & social care | 2016 |
| Peter Ogden Limited | Real estate | 2024 |
| Peter Powell Kites Limited | Manufacturing | 2012 |
| Peter Rayson Consulting Limited | Professional & scientific | 2011 |
| Peter Stone Properties Limited | Real estate | 2010 |
| Peter White Enterprises Ltd | Other services | 2022 |
| Peter White Tattoos Ltd | Wholesale & retail | 2019 |
| Peterkin Herds Limited | Agriculture & fishing | 1958 |
| Petersen Creative & Design Limited | Professional & scientific | 2022 |
| Petersen Creative Limited | Professional & scientific | 2010 |
| Petevic Limited | Information & communication | 2009 |
| Petit Peepers Ltd | Wholesale & retail | 2023 |
| Petite Socials Limited | Professional & scientific | 2023 |
| Petosu Ltd | Manufacturing | 2023 |
| PF Electrical (Cheltenham) Ltd | Construction | 2025 |
| PF Stud Ltd | Agriculture & fishing | 2024 |
| PFN Energies Limited | Administrative & support | 2026 |
| PFO Properties Ltd | Real estate | 2012 |
| PFS Property Finance Ltd | Financial services | 2026 |
| PGD Games Ltd | Information & communication | 2026 |
| PGW Property Limited | Real estate | 2020 |
| PH3 Design Limited | Wholesale & retail | 2010 |
| Phanthong Thai Ltd | Hospitality | 2023 |
| Pharm Fertilisers Ltd | Manufacturing | 2017 |
| Pharm Fertilizers Limited | Agriculture & fishing | 2020 |
| Pharma MED Research Limited | Professional & scientific | 2000 |
| Pheasant Inn Toddington Limited | Hospitality | 2016 |
| Phell Developments Limited | Real estate | 2016 |
| Pheronix Ltd | Information & communication | 2026 |
| PHG Property Limited | Real estate | 2005 |
| Phil Hammond Events Limited | Arts & recreation | 2025 |
| Phil Paterson Automotive Limited | Wholesale & retail | 2004 |
| Phil Staunton Limited | Agriculture & fishing | 2025 |
| Philip J Avery & Associates Ltd | Professional & scientific | 2012 |
| Philip James Residential Ltd. | Real estate | 2015 |
| Philip Stevens Photography Ltd | Professional & scientific | 2013 |
| Phillimore & Co. Limited | Information & communication | 1910 |
| Phlur UK Ltd | Wholesale & retail | 2026 |
| PHN Enterprises Limited | Wholesale & retail | 1975 |
| Phoenix Accord Consulting Limited | Administrative & support | 2009 |
| Phoenix Design Services Limited | Professional & scientific | 2021 |
| Phoenix Evolution Ltd | Arts & recreation | 2020 |
| Phoenix Holistic Health UK Ltd | Health & social care | 2019 |
| Phoenix Human Capital Consulting Group Ltd | Professional & scientific | 2026 |
| Phoenix Mechanical Engineers Ltd | Wholesale & retail | 2009 |
| Phoenix Park Management Company Limited | Households | 1987 |
| Phoenix Psychology Collective Ltd | Health & social care | 2025 |
| Phoenix Rose Associates Limited | Administrative & support | 2010 |
| Phoenix Trees Investments Ltd | Real estate | 2024 |
| Phoenixcard Technology Ltd | Information & communication | 2026 |
| Phone Matters Cheltenham Ltd | Information & communication | 2023 |
| Phone MAX Limited | Wholesale & retail | 2025 |
| Phones Planet Ltd | Information & communication | 2022 |
| Photoglow Photography Ltd | Professional & scientific | 2013 |
| Physiotherapy by Jeremy Ltd | Health & social care | 2022 |
| PI Academy Chelt Ltd | Education | 2026 |
| PIC Plant Hire Limited | Administrative & support | 2008 |
| Picc PAD Limited | Manufacturing | 2026 |
| Pickering Close Management Limited | Households | 2024 |
| Pickle Studio Limited | Arts & recreation | 2011 |
| Picknix Ltd | Administrative & support | 2018 |
| Picture House Properties Ltd | Real estate | 2017 |
| Piercefield Asset Management Limited | Financial services | 1998 |
| Piercefield Oliver Limited | Financial services | 1998 |
| Piers Jack Property Development Limited | Construction | 2009 |
| Pietracasa Limited | Wholesale & retail | 2016 |
| Piffs ELM Investments Limited | Financial services | 2024 |
| Piffs ELM Limited | Manufacturing | 1996 |
| Pigeon Films Ltd | Information & communication | 2024 |
| Pigging Products and Services Association Limited | Other services | 1990 |
| Pilgrim Tax Technology LLP | | 2020 |
| PIM Propertys Ltd | Real estate | 2025 |
| PIM TC Limited | Financial services | 2023 |
| Pimienta Ltd | Manufacturing | 2005 |
| Pimseal Limited | Manufacturing | 1994 |