| Patara Ventures Ltd | Wholesale & retail | 2015 |
| Paterson-Phillips Facilities Ltd | Construction | 2017 |
| Pathi & Co Ltd | Professional & scientific | 2024 |
| Patmos Solutions Limited | Administrative & support | 2013 |
| Pattens PUB Limited | Hospitality | 2012 |
| Paul Andrews Electrical Ltd | Construction | 2026 |
| Paul Hambilton Marketing Limited | Professional & scientific | 2007 |
| Paula Ferragamo Estates Limited | Real estate | 2022 |
| Paulley Holdings Limited | Real estate | 2025 |
| Paulodds Ltd | Construction | 2022 |
| Payner Ltd | Professional & scientific | 2025 |
| Payroll Please Ltd | Administrative & support | 2013 |
| PB & T Project Ltd | Wholesale & retail | 2011 |
| PC Marine Group Limited | Wholesale & retail | 2001 |
| PC Zone UK Ltd | Manufacturing | 2019 |
| PCS Cold Stores Ltd | Wholesale & retail | 2024 |
| PCS Holdings (UK) Limited | Professional & scientific | 2007 |
| PCS Networks Limited | Information & communication | 2000 |
| PCS Paving Limited | Administrative & support | 2024 |
| PCS Southern Landscaping Specialist Limited | Administrative & support | 2024 |
| PD & K Properties Ltd | Real estate | 2024 |
| Peaceful House Ltd | Real estate | 2022 |
| Peak Brickwork (South East) Ltd | Construction | 2018 |
| Peaky Hairlines Ltd | Other services | 2023 |
| Peapod Portfolio Limited | Real estate | 2015 |
| Pearson Consulting Limited | Professional & scientific | 2025 |
| Pearson Pearson Limited | Professional & scientific | 2018 |
| Pearsons Arms Limited | Hospitality | 2024 |
| Peculiar Childcare Limited | Health & social care | 2020 |
| Pecunia (2016) Limited | Financial services | 2016 |
| Peershield Ltd | Information & communication | 2026 |
| Peggotty's Tea Room Ltd | Hospitality | 2024 |
| Peggy's Paw's Ltd | Other services | 2022 |
| Pemberleytech Limited | Wholesale & retail | 2025 |
| Penev Drop Transport Ltd | Transport & logistics | 2025 |
| Peninsula Bowls Club Ltd | Arts & recreation | 2019 |
| Peninsula Care Ltd | Health & social care | 2023 |
| Peninsula Gateway Academy Trust | Education | 2012 |
| Pennai Construction Limited | Construction | 2007 |
| Penplan Construction Ltd | Construction | 2023 |
| Penshurst Planning Limited | Professional & scientific | 2010 |
| Penwill Vehicle Services Ltd | Wholesale & retail | 2022 |
| Peppermint Properties Limited | Real estate | 2015 |
| Percival Services Ltd | Construction | 2024 |
| Perdy Supplies Limited | Wholesale & retail | 2024 |
| Perfect Books Kent Limited | Professional & scientific | 2013 |
| Perfection Clinic Ltd | Other services | 2024 |
| Performance Health Limited | Health & social care | 2011 |
| Periquin Limited | Construction | 2010 |
| Permaseal Roofing and Building Ltd | Construction | 2019 |
| Perrinx Scaffolding Ltd | Construction | 2018 |
| Perry POD Limited | Hospitality | 2021 |
| Personal Finance Limited | Manufacturing | 2020 |
| Personal Security Service Limited | Transport & logistics | 2004 |
| Personalised by Soph Ltd | Wholesale & retail | 2025 |
| Pest Control Medway Limited | Administrative & support | 2024 |
| Pestandco Ltd | Administrative & support | 2022 |
| Pet World Superstore Ltd | Wholesale & retail | 2025 |
| Pete the Cheez Limited | Professional & scientific | 2003 |
| Peter James Interiors Ltd | Construction | 2020 |
| Peter Penny Productions Ltd | Information & communication | 2014 |
| Petra Ministries International | Other services | 2011 |
| Petre Rosu Ltd | Construction | 2026 |
| Pettett Roofing & Maintenance Ltd | Construction | 2021 |
| Peytons Building and Property Maintenance Ltd | Construction | 2025 |
| PG Doors Limited | Manufacturing | 2023 |
| PGM Plumbing & Heating Limited | Construction | 2014 |
| Pharmaspire Ltd | Health & social care | 2022 |
| PHD Drylining Ltd | Construction | 2016 |
| Pheonix Community C.I.C. | Health & social care | 2013 |
| Phesam Property Managment Limited | Real estate | 2026 |
| Phi-Power Hidden Inside Ltd | Health & social care | 2020 |
| Philfinds Limited | Professional & scientific | 2021 |
| Philippa Craddock Holdings Limited | Wholesale & retail | 2005 |
| Philippa Craddock Limited | Education | 2020 |
| Phillipson Governance Professional Services Ltd | Professional & scientific | 2023 |
| Phoenix Civils Solutions Limited | Construction | 2023 |
| Phoenix Contracts Limited | Administrative & support | 2005 |
| Phoenix Day Nurseries UK Limited | Health & social care | 2007 |
| Phoenix Education Day Nursery Ltd | Administrative & support | 2009 |
| Phoenix Fire Alarms London Ltd | Construction | 2024 |
| Phoenix Fire Alarms Ltd | Construction | 2012 |
| Phoenix Prestige Cars Limited | Transport & logistics | 2025 |
| Phoenix Prime Care Limited | Public administration | 2025 |
| Phoenixscribe Limited | Information & communication | 2024 |
| Phonesforu Ltd | Wholesale & retail | 2024 |
| Pick N Stitch Limited | Wholesale & retail | 2012 |
| Pickle Friend Ltd | Arts & recreation | 2021 |
| Picture Playground Limited | Information & communication | 2006 |
| Picture Playground Print Ltd | Manufacturing | 2019 |
| Pieterse Associates Ltd | Information & communication | 2018 |
| PIL Studio Limited | Professional & scientific | 2021 |
| PILLAR2PILLAR Investments Ltd | Real estate | 2025 |
| Pilot 2 Work CIC | Administrative & support | 2025 |
| Pilot Macro Advisors Limited | Information & communication | 2023 |
| Pinecone Services Limited | Other services | 2012 |
| Pinecrest Clothing Limited | Wholesale & retail | 2025 |
| Pinecrest Limited | Real estate | 2012 |
| Pinemark Projects Ltd | Manufacturing | 2010 |
| Pinewood M&E Limited | Construction | 2025 |