| Pearl Property 21 LLP | | 2024 |
| Pearldiver Ltd | Arts & recreation | 2019 |
| Pearldrops International Limited | Wholesale & retail | 2025 |
| Pearsalls IP Limited | Administrative & support | 2017 |
| Pearson Short Limited | Construction | 2012 |
| Peartree West Ltd | Professional & scientific | 2022 |
| Pebbleshire Limited | Hospitality | 1976 |
| Pedagogy in Practice Ltd | Education | 2021 |
| Pedara Clinical Nutrition Ltd | Wholesale & retail | 2026 |
| Peek Technologies Limited | Information & communication | 2025 |
| Peelcrest Properties Limited | Administrative & support | 1998 |
| Pegasus Homes Botw Limited | Real estate | 2025 |
| Pegasus Homes Bracknell Ltd | Construction | 2022 |
| Pegasus Homes Devco 1 Ltd | Construction | 2022 |
| Pegasus Homes Devco 2 Limited | Construction | 2022 |
| Pegasus Homes Developments 2 Ltd | Financial services | 2023 |
| Pegasus Homes Holdco 2 Ltd | Financial services | 2024 |
| Pegasus Homes Holdings Ltd | Financial services | 2021 |
| Pegasus Homes Legacy Bourton Limited | Construction | 2022 |
| Pegasus Homes Lettings Ltd | Administrative & support | 2022 |
| Pegasus Homes Limited | Real estate | 2012 |
| Pegasus Homes Maidenhead Ltd | Construction | 2021 |
| Pegasus Homes Tetbury Ltd | Construction | 2022 |
| Pegasuslife Landlord - Cranleigh Coves Limited | Real estate | 2022 |
| Pembridge Solicitors Limited | Professional & scientific | 2015 |
| Pembroke Road Properties Limited | Real estate | 2022 |
| Pembury Estates Ltd | Professional & scientific | 2014 |
| Pembury Residents (Management) Limited | Households | 1993 |
| Pemms Group Limited | Financial services | 2025 |
| Pencerrig Investments Limited | Real estate | 2013 |
| Pendulum Holdings Limited | Financial services | 2016 |
| Penfield Properties Limited | Real estate | 2022 |
| Penfin Ltd | Professional & scientific | 2015 |
| Penfold Surfacing Specialists Ltd | Construction | 2019 |
| Penfolds Capital Management Limited | Real estate | 2009 |
| Penguin Pebble Ltd | Wholesale & retail | 2020 |
| Penguin Promotions Ltd | Wholesale & retail | 2024 |
| Penguin Uniform Ltd | Wholesale & retail | 2016 |
| Penhadepella Limited | Administrative & support | 2010 |
| Penhale Management Services Limited | Professional & scientific | 2015 |
| Penhills Sport Horses Ltd | Administrative & support | 2013 |
| Penman Consultants Limited | Wholesale & retail | 1997 |
| Penn Consulting Limited | Information & communication | 2010 |
| Pennant Emea Limited | Information & communication | 1999 |
| Pennant International Group PLC | Information & communication | 1996 |
| Pennant International Limited | Manufacturing | 1958 |
| Pennant SIP Trustee Limited | Administrative & support | 2019 |
| Penndale Limited | Real estate | 1984 |
| Penni Black LDN Ltd | Hospitality | 2020 |
| Penniblack Collective Limited | Hospitality | 2026 |
| Penny Eccles Limited | Extraterritorial | 2021 |
| Penny PIG Ltd | Wholesale & retail | 2022 |
| Penrose Training Coaching Counselling Ltd | Health & social care | 2015 |
| Pentadel Management Holdings Limited | Financial services | 2023 |
| Pentadel Project Management Limited | Construction | 2008 |
| Pentadel Safety Management Limited | Construction | 2024 |
| Pentaho UK Limited | Information & communication | 2026 |
| Penteco Ltd | Information & communication | 2021 |
| Pentir Bess Limited | Energy | 2022 |
| Pentir NG Limited | Financial services | 2022 |
| Pentire Partners Limited | Professional & scientific | 2014 |
| Pentus Security Ltd | Information & communication | 2026 |
| Pentwin Group Limited | Professional & scientific | 2011 |
| Pentwin Investments Limited | Extraterritorial | 2014 |
| Pentwyn Renewables Ltd | Energy | 2012 |
| Penville Etoge Ltd | Real estate | 2024 |
| Penwortham NG Limited | Energy | 2023 |
| Peony Property Ltd | Real estate | 2018 |
| People and Property Consultancy Limited | Public administration | 2023 |
| Pepla Limited | Health & social care | 2023 |
| Pepmore Limited | Construction | 2018 |
| Peppercookies Limited | Professional & scientific | 2004 |
| Peppermills Takeaway Ltd | Hospitality | 2019 |
| Peppermint Learning Ltd | Professional & scientific | 2006 |
| Perambulum Limited | Information & communication | 2017 |
| Perceptyx UK Ltd | Administrative & support | 2020 |
| Percolate Entertainment Ltd | Arts & recreation | 2019 |
| Percolate Live Ltd | Arts & recreation | 2020 |
| Perdune Ltd | Manufacturing | 2003 |
| Perecliff Holdings Ltd | Real estate | 2021 |
| Perendale Publishers Limited | Information & communication | 2006 |
| Pereva Limited | Real estate | 2021 |
| Perfect Homemade Food Ltd | Wholesale & retail | 2019 |
| Perfect Practices Group Limited | Health & social care | 2017 |
| Perfect Style Barbers Ltd | Other services | 2021 |
| Perfectly Balanced Accountancy Ltd | Professional & scientific | 2018 |
| Perficient Innometrics Ltd | Transport & logistics | 2025 |
| Perform Green Ltd | Information & communication | 2011 |
| Performance Hockey Coach Limited | Education | 2023 |
| Performance Lenses Ltd | Professional & scientific | 2009 |
| Performance Solutions Consulting Ltd | Professional & scientific | 2011 |
| Performwork Ltd | Information & communication | 2016 |
| Peri & Pizza Power Ltd | Wholesale & retail | 2025 |
| Peri Boys Ltd | Hospitality | 2025 |
| Perial Property Company Ltd | Real estate | 2010 |
| Periander Investments Limited | Real estate | 1966 |
| PERIO2 Limited | Health & social care | 2024 |
| Period Dealer Ltd | Wholesale & retail | 2025 |
| Periproducts Limited | Wholesale & retail | 1993 |
| Perry Pear Lane Management Company Limited | Households | 2025 |