| PGA Holdings Limited | Professional & scientific | 1990 |
| PGL Contract Services Ltd | Administrative & support | 2020 |
| Pgl(Midlands) Ltd | Administrative & support | 2018 |
| PGR Build Limited | Construction | 2013 |
| Phaero Limited | Wholesale & retail | 2020 |
| Phares Engineering Ltd | Professional & scientific | 2018 |
| Phares Group Limited | Financial services | 2020 |
| Pharma Access Ltd | Professional & scientific | 2012 |
| Pharmxpress Limited | Health & social care | 2015 |
| Phase 4 SHE Consultancy Ltd | Professional & scientific | 2025 |
| Phase One Strip OUT Service Limited | Construction | 2025 |
| Phasedetail Limited | Energy | 1994 |
| Phenomenal Phonics Ltd | Education | 2026 |
| Pheonix Properties Ltd | Real estate | 2024 |
| PHG Plumbing Heating GAS Services Limited | Construction | 2015 |
| Phil Kelly Associates Ltd | Professional & scientific | 2007 |
| Phil Sanford Ltd | Professional & scientific | 2019 |
| Phil the Plumber Taylor Midlands Ltd | Construction | 2024 |
| Philip Ford & SON (Funeral Directors) Limited | Extraterritorial | 1962 |
| Phillips Funeral Plans Limited | Extraterritorial | 1997 |
| Phillips Funeral Services Limited | Extraterritorial | 1982 |
| Phillips Holdings (Hertfordshire) Limited | Extraterritorial | 1997 |
| Phillips Supplies Limited | Extraterritorial | 1997 |
| Philo Consulting Services Ltd | Professional & scientific | 2023 |
| Phinity Ltd | Health & social care | 2021 |
| Phinity Manchester 1 Ltd | Health & social care | 2025 |
| Phisma Ltd | Professional & scientific | 2023 |
| Phit Fitness Academy Limited | Arts & recreation | 2015 |
| Phoenix 88 Limited | Professional & scientific | 2011 |
| Phoenix Associates Limited | Professional & scientific | 2015 |
| Phoenix Building Management Solutions Limited | Construction | 2014 |
| Phoenix Business Associates Limited | Professional & scientific | 2022 |
| Phoenix Hill Investments Limited | Financial services | 2026 |
| Phoenix Life Services Ltd | Health & social care | 2018 |
| Phoenix Networking Ltd | Information & communication | 2008 |
| Phoenix Papers Limited | Manufacturing | 2019 |
| Phoenix Plant Solutions Ltd | Other services | 2025 |
| Phoenix Retail Group Ltd | Wholesale & retail | 2020 |
| Phoenix SC Limited | Administrative & support | 2024 |
| Phoenix Sport & Media Group Limited | Professional & scientific | 2015 |
| Phoenix UK Supplies Ltd | Wholesale & retail | 2024 |
| PHS3 Limited | Real estate | 2025 |
| Phuong Mach Limited | Financial services | 2024 |
| Physio Care Hub Ltd | Health & social care | 2024 |
| Physio CYP Ltd | Health & social care | 2025 |
| PI Asset Management Limited | Real estate | 2025 |
| PI2SIGMA Limited | Professional & scientific | 2016 |
| Pibworth Associates Limited | Professional & scientific | 2004 |
| Pica Motion Limited | Professional & scientific | 2024 |
| Piccioni (Masonry) Limited | Extraterritorial | 1946 |
| Pick UP Services Limited | Extraterritorial | 1993 |
| Pickford Solicitors Limited | Professional & scientific | 2016 |
| Pickle JAR Collective Limited | Arts & recreation | 2026 |
| Pierced World Limited | Wholesale & retail | 2023 |
| Pilates by Amelia Ltd | Other services | 2026 |
| Pilates Heaven Limited | Arts & recreation | 2012 |
| Pilates Lounge Ltd | Other services | 2024 |
| Pillten Limited | Other services | 2025 |
| Pilot Developments and Investments Limited | Construction | 2007 |
| Pimbury Limited | Real estate | 2014 |
| Pimlico Trading Co Ltd | Administrative & support | 2006 |
| PIN Distribution Ltd | Wholesale & retail | 2019 |
| Pinedale Property Limited | Real estate | 2023 |
| Pinewood Plumbing & Heating Ltd | Construction | 2019 |
| Pinewood Properties (Sutton Coldfield) Limited | Real estate | 2001 |
| Pinfold Ventures Limited | Financial services | 2018 |
| Pinhills Scientific Ltd | Manufacturing | 2017 |
| Pink Estates Ltd | Real estate | 2004 |
| Pink Slate Limited | Arts & recreation | 2011 |
| Pinklamk Services Ltd | Wholesale & retail | 2022 |
| Pinley Homes Limited | Real estate | 2025 |
| Pinley Limited | Information & communication | 2007 |
| Pinley Maintenance Ltd | Real estate | 2012 |
| Pinnacle Financial Solutions Ltd | Financial services | 2019 |
| Pinnacle Flooring Limited | Construction | 2011 |
| Pinnacle Prop & Invest Ltd | Real estate | 2022 |
| Pinport Limited | Administrative & support | 2018 |
| Pinxton Pharmacy Limited | Wholesale & retail | 2002 |
| Pioneer ED Consultants Ltd | Education | 2025 |
| Pioneer Real Estate Development Ltd | Construction | 2025 |
| Pioneer Restaurants Ltd | Hospitality | 2007 |
| Pipe BOY Limited | Construction | 2026 |
| Pirate Enterprise Ltd | Real estate | 2021 |
| Pitcher Exhibitions Ltd | Administrative & support | 2024 |
| Pitcher Interiors Ltd | Manufacturing | 2017 |
| Pittville Property Ltd | Financial services | 2020 |
| Pixel Palette Ltd | Wholesale & retail | 2023 |
| Pixel Shack Limited | Manufacturing | 2025 |
| Pizza & Pasta Rush Ltd | Hospitality | 2024 |
| Pizza Chef (Tipton) Ltd | Hospitality | 2019 |
| Pizza D'Amore Ltd | Hospitality | 2025 |
| Pizza Lodge Sutton Limited | Hospitality | 2024 |
| Pizza Oldbury Land Ltd | Hospitality | 2016 |
| Pizza Today Ltd | Hospitality | 2023 |
| Pizza Well Ltd | Hospitality | 2019 |
| PJ Properties Limited | Real estate | 2020 |
| PJF Joinery Ltd | Construction | 2025 |
| PJL Property Limited | Real estate | 2026 |
| PJM Estates Ltd | Real estate | 2020 |
| PJM Trading Ltd | Wholesale & retail | 2020 |