| Paper Trail Supplies Limited | Wholesale & retail | 2025 |
| Paperwork Made Simple Limited | Professional & scientific | 2026 |
| Papi's Pickles | Hospitality | 2014 |
| Papillon Pizza & Kebab Ltd | Hospitality | 2025 |
| Paradise Windows Ltd | Manufacturing | 2004 |
| Paragon Sports & Prestige Limited | Wholesale & retail | 2009 |
| Paraph Property Improvement Ltd | Construction | 2020 |
| Park Design Limited | Real estate | 2018 |
| Park Hall Financial Services Limited | Financial services | 2009 |
| Park Property Investments & Trading Limited | Real estate | 2024 |
| Parker Trader Ltd | Hospitality | 2019 |
| Parkes Transport Ltd | Transport & logistics | 2025 |
| Parkward Homes Ltd | Construction | 2019 |
| Parma House Mansfield Limited | Hospitality | 2020 |
| Parris Property Group Ltd | Real estate | 2021 |
| Parrs Housing Ltd | Real estate | 2021 |
| Parsons Contracting Ltd | Construction | 2021 |
| Partedrows Ltd | Wholesale & retail | 2021 |
| Party Celebrations Limited | Hospitality | 2011 |
| Pascu Transport Limited | Transport & logistics | 2025 |
| PAT & PIT Ltd | Wholesale & retail | 2023 |
| Patrick Todd Ltd | Financial services | 2020 |
| Paul Ainsworth Engineering Services Limited | Manufacturing | 2022 |
| Paul D Maltby Plumbing & Heating Limited | Construction | 2019 |
| Paul Freeman Ltd | Construction | 2008 |
| Paul Hoskyns Financial Services Limited | Financial services | 2018 |
| Paul Leatherland Limited | Construction | 2017 |
| Paul's PIT Stop CIC | Education | 2026 |
| Paul's Rail Limited | Construction | 2015 |
| Paulpet Properties Ltd | Construction | 2015 |
| Pavilion Rattan Limited | Wholesale & retail | 1994 |
| Pawfect Digs Ltd | Agriculture & fishing | 2025 |
| Pawz N Clawz Ltd | Other services | 2025 |
| Paynters Lane Ltd | Transport & logistics | 2022 |
| PB Aesthetics Beauty Ltd | Other services | 2023 |
| PB Auto Electrics Ltd | Manufacturing | 2011 |
| PB Building Ltd | Construction | 2018 |
| PB Handley Ltd | Transport & logistics | 2022 |
| PB Solutions Limited | Construction | 2013 |
| PBL Portable Buildings Limited | Professional & scientific | 1993 |
| Pble Retail Limited | Wholesale & retail | 2017 |
| Pbsa Limited | Wholesale & retail | 2012 |
| PCC Store Ltd | Wholesale & retail | 2019 |
| Pccp Ltd | Construction | 2022 |
| Pccw Solutions Limited | Professional & scientific | 2017 |
| PD Beech Ltd | Transport & logistics | 2022 |
| PDG Transport Solutions Limited | Transport & logistics | 2022 |
| Peaceful Nails and Spa Ltd | Other services | 2023 |
| Peaceful Place Haven Ltd | Hospitality | 2025 |
| Peacock International Company Limited | Manufacturing | 2025 |
| Peak Insurance Services Limited | Financial services | 2001 |
| Peak Laminate Supplies Limited | Manufacturing | 2007 |
| Peak Roofing (Midlands) Limited | Construction | 2024 |
| Pearl Installations Limited | Construction | 2012 |
| Pearson and Howard Ltd | Real estate | 2024 |
| Pedrijas Limited | Health & social care | 2017 |
| Peeks Holdings Limited | Financial services | 2016 |
| Peerfect Solutions Ltd | Wholesale & retail | 2019 |
| Pegasus Surveys & Inspections Ltd | Professional & scientific | 2021 |
| Pellacraft Limited | Administrative & support | 1995 |
| Pelory Limited | Manufacturing | 2020 |
| Pemberley Wills and Estate Planning Ltd | Other services | 2016 |
| Penaz Limited | Wholesale & retail | 2023 |
| Pennant Electrical Services Limited | Construction | 2016 |
| Penny Tree & Landscapes Ltd | Administrative & support | 2026 |
| Pennypinchers Ltd | Wholesale & retail | 2022 |
| People First Consultancy Ltd | Extraterritorial | 2024 |
| PEP Courier Limited | Transport & logistics | 2026 |
| Peptone Ltd | Manufacturing | 2018 |
| Perfect Platter Limited | Hospitality | 2019 |
| Perfect Vision Holdings Limited | Real estate | 2022 |
| Perose Ltd | Real estate | 2004 |
| Persistence Limited | Wholesale & retail | 2025 |
| Personum Ltd | Transport & logistics | 2021 |
| Peter Cracknell Limited | Construction | 2014 |
| Peterborough Phantoms Ltd | Arts & recreation | 2021 |
| Petev SK Ltd | Transport & logistics | 2022 |
| Petq Services Limited | Other services | 2022 |
| PETRANSPORT4YU Ltd | Transport & logistics | 2026 |
| Petrion Health & Support Ltd | Health & social care | 2026 |
| PH Agricultural Consultancy Limited | Professional & scientific | 2022 |
| Pharmaglobal Ltd | Wholesale & retail | 2023 |
| Phebroszith Ltd | Administrative & support | 2023 |
| Phebroszy Ltd | Transport & logistics | 2023 |
| Phem Limited | Other services | 2023 |
| Pheonix Fire Limited | Construction | 2015 |
| Phil Marshall Consulting Ltd | Professional & scientific | 2022 |
| Phil MEE Ltd | Water & waste | 2011 |
| Phil's Autos (Nott'M) Limited | Wholesale & retail | 2011 |
| Phoenix Trading Partners Limited | Wholesale & retail | 2013 |
| Phoenix Training & Development Ltd | Education | 2025 |
| Physiqonomics Limited | Professional & scientific | 2016 |
| Piccolo Media Ltd | Professional & scientific | 2025 |
| Piercing Innovations Limited | Other services | 2021 |
| Pilch Transport Ltd | Transport & logistics | 2021 |
| Pimd Ltd | Wholesale & retail | 2015 |
| Pincushion Pantiles Limited | Wholesale & retail | 2018 |
| Pindrop Marketing Ltd | Professional & scientific | 2021 |
| Pink Beauty Supplies (UK) Ltd. | Construction | 2005 |
| Pink Giraffe Events Limited | Hospitality | 2012 |