| Pentaverate Limited | Financial services | 2016 |
| Performance Collectables Ltd | Other services | 2020 |
| Perio Treatment Ltd | Health & social care | 2017 |
| Perk Property Services Limited | Professional & scientific | 2025 |
| Perks Club Ltd | Administrative & support | 2021 |
| Perry Mill Developments Limited | Other services | 2002 |
| Perth House Ltd | Financial services | 2024 |
| Peruse Inc Ltd | Information & communication | 2022 |
| Petalioure Ltd | Administrative & support | 2023 |
| Pete the Meat Limited | Wholesale & retail | 2020 |
| Peter Hill Engineering Services Limited | Professional & scientific | 2021 |
| Peter Monksfield Limited | Health & social care | 2014 |
| Peter Small Transport Services Limited | Transport & logistics | 2017 |
| Peterlee WH Limited | Real estate | 2024 |
| PFC Group Limited | Manufacturing | 1966 |
| PFC Holdings Limited | Professional & scientific | 1991 |
| PG Broadcast Ltd | Information & communication | 2025 |
| Philip Burrows Associates Limited | Professional & scientific | 2006 |
| Philip Serrell Limited | Information & communication | 2004 |
| Phillips & Taylor Properties Ltd | Real estate | 2020 |
| Phillips Driving Academy Ltd | Education | 2023 |
| Phillips Driving School Ltd | Education | 2024 |
| Physiomasters Ltd | Other services | 2020 |
| Pieten Limited | Administrative & support | 2007 |
| Pimse Management Company Ltd | Real estate | 2016 |
| Pina Properties Ltd | Real estate | 2023 |
| Pinfields Business Solutions Limited | Wholesale & retail | 2021 |
| Pinfields IT Limited | Information & communication | 2012 |
| Pinfields Marketing Limited | Professional & scientific | 2014 |
| Pinpoint Marketing Solutions Limited | Energy | 2000 |
| PIP Smith Landscape Design Limited | Administrative & support | 2024 |
| Pipe-Pro Limited | Construction | 2015 |
| Pipra Marketing Limited | Professional & scientific | 2023 |
| Piratesec Limited | Information & communication | 2019 |
| Pittville Urology Ltd | Health & social care | 2026 |
| Pixel Performance Ltd | Arts & recreation | 2024 |
| PJ Robinson & SON Limited | Manufacturing | 2006 |
| PJT Projects Limited | Information & communication | 2017 |
| PL Tiling Contracts Limited | Construction | 2009 |
| Plain Janes Bromsgrove Limited | Administrative & support | 2011 |
| Plain Janes Droitwich Limited | Administrative & support | 2010 |
| Plain Janes Holdings Limited | Administrative & support | 2011 |
| Plain Janes Housekeeping Limited | Administrative & support | 2005 |
| Plain Janes Rapid Response Limited | Administrative & support | 2014 |
| Plain Janes Redditch Limited | Administrative & support | 2011 |
| Plain Janes South B'Ham Limited | Administrative & support | 2012 |
| Plain Janes Worcester Limited | Administrative & support | 2018 |
| Plain Janes Wyre Limited | Administrative & support | 2017 |
| Plain Jims Facilities Management LLP | | 2013 |
| Plant Market UK Limited | Professional & scientific | 2019 |
| PLAT4RM Ltd | Information & communication | 2023 |
| Platforming Ltd | Transport & logistics | 2019 |
| Plex Display Limited | Extraterritorial | 2004 |
| Plunkett Health Ltd | Health & social care | 2023 |
| Plus Automation Ltd | Wholesale & retail | 2019 |
| Plus AX Ltd | Wholesale & retail | 2002 |
| PMS Health Ltd | Health & social care | 2025 |
| Pneumaticscaleangelus of the U.K. Limited | Manufacturing | 2009 |
| Pola Van Rental Ltd | Administrative & support | 2010 |
| Polacap Refrigeration Limited | Manufacturing | 2002 |
| Polar Commercial Properties Limited | Real estate | 2012 |
| Polish Language School in Evesham Ltd | Education | 2021 |
| Pollymax Radiology Reporting Limited | Health & social care | 2016 |
| Polygon Maths Education Ltd | Education | 2016 |
| Poppy Jackson Emporium Limited | Wholesale & retail | 2024 |
| Porter Green BCS Ltd | Financial services | 2019 |
| Positive Bookkeeping Ltd. | Professional & scientific | 2003 |
| Postflux Limited | Health & social care | 2002 |
| Power Journey Limited | Real estate | 2022 |
| Powerpoint Systems Ltd | Manufacturing | 2004 |
| PPH Financial Solutions Ltd | Other services | 2016 |
| PPM5900 Ltd | Administrative & support | 2017 |
| PPW Limited | Professional & scientific | 2020 |
| Precision Animal Laser Academy Ltd | Education | 2025 |
| Precision Leadership Ltd | Professional & scientific | 2026 |
| Preeve Investments Limited | Professional & scientific | 2023 |
| Premier Floor Fitting (Solihull) Ltd | Construction | 2009 |
| Premiere Press (Cheltenham) Limited | Manufacturing | 1996 |
| Prestige Barbers Club Ltd | Other services | 2017 |
| Pretty and Sons Limited | Real estate | 2017 |
| Prime to LET Ltd | Real estate | 2025 |
| Prior Property Developments Limited | Construction | 2002 |
| Production Electrics Ltd | Arts & recreation | 2024 |
| Production Rent Ltd | Arts & recreation | 2025 |
| Profam Holdings Limited | Financial services | 2023 |
| Profam Limited | Health & social care | 2017 |
| Profiles Salon Limited | Other services | 2008 |
| Profleet Engineering UK Limited | Construction | 2026 |
| Proforca Theatre Company Limited | Arts & recreation | 2018 |
| Property Tax People Limited | Professional & scientific | 2014 |
| Property Virtu Ltd | Real estate | 2022 |
| Prosperity Agency Limited | Professional & scientific | 2021 |
| Protea Estates Limited | Administrative & support | 2020 |
| Proteus Dental Laboratories Limited | Health & social care | 2007 |
| Proxim Property Management Ltd | Real estate | 2018 |
| PRR Cyber Limited | Information & communication | 2025 |
| Prsignals Ltd | Professional & scientific | 2007 |
| PS Original Productions Ltd | Information & communication | 2025 |
| PSR Hire Ltd | Wholesale & retail | 2011 |
| PSR Wealth Management Limited | Professional & scientific | 2021 |