| PBK Services Limited | Wholesale & retail | 2019 |
| Pbmbuildingservices Ltd | Construction | 2020 |
| PC Asset Investments Ltd | Professional & scientific | 2015 |
| PC Partnership (South East) Limited | Construction | 2019 |
| PC Property Holdings Limited | Real estate | 2000 |
| Pc's Made Simple Limited | Other services | 2006 |
| PCB Secure Ltd | Administrative & support | 2025 |
| PCC Centre Limited | Professional & scientific | 2020 |
| PCG Distributions Limited | Wholesale & retail | 2025 |
| PCN Smook Aviation Limited | Transport & logistics | 2018 |
| Pcnx Limited | Information & communication | 2013 |
| Pcsm Consulting Limited | Professional & scientific | 2024 |
| Pcsp LLP | | 2007 |
| PCW Properties LLP | | 2007 |
| PD Soft Limited | Information & communication | 2025 |
| PDC Advisory LLP | | 2022 |
| PDD Driveways and Patios Ltd | Other services | 2019 |
| Pdgroundscape Limited | Administrative & support | 2021 |
| PDX Technology Limited | Information & communication | 2018 |
| Peachdog Ltd | Information & communication | 2025 |
| Peak Apartments Limited | Real estate | 2021 |
| Peak Electrical & Renewables Ltd | Construction | 2022 |
| Peak SEO Services Limited | Information & communication | 2017 |
| Peak Thermal Technologies Limited | Manufacturing | 2021 |
| Peakend Group Ltd | Wholesale & retail | 2022 |
| Peakpulls Ltd | Wholesale & retail | 2026 |
| Peakslife Trading Limited | Wholesale & retail | 2025 |
| Pear Tree Care Limited | Health & social care | 2004 |
| Pearl Civils Limited | Construction | 2010 |
| Pearson Plastering Ltd. | Construction | 2002 |
| Peddler Records Limited | Information & communication | 2004 |
| Peer Beez Ltd | Information & communication | 2024 |
| Pegasus Construction Services Ltd | Construction | 2015 |
| Pegasus Projects Maintenance Ltd | Extraterritorial | 2025 |
| Pegasus Technology Limited | Information & communication | 2016 |
| Pegi Group Limited | Administrative & support | 2023 |
| Pelagic Ocean Racing LLP | | 2024 |
| Peloteras Ltd | Arts & recreation | 2023 |
| Peltopia Limited | Wholesale & retail | 2022 |
| Pelvic Pain Support Network | Health & social care | 2006 |
| Pemberton Renovations Ltd | Construction | 2019 |
| Pembroke Road (Woking) Residents Management Company Limited | Households | 2005 |
| PEN Heights Energy Limited | Other services | 2014 |
| Pendergast Books Ltd | Information & communication | 2025 |
| Pendragon Media Ltd | Information & communication | 2022 |
| Pendulum Motion Ltd | Professional & scientific | 2022 |
| Peneffect Limited | Manufacturing | 2020 |
| Peninsula Design Solutions Poole Limited | Professional & scientific | 2014 |
| Peninsula Prestige Limited | Construction | 2023 |
| Penn Developments (UK) Limited | Construction | 2013 |
| Penn Hill Flooring Ltd | Wholesale & retail | 2017 |
| Penn Hill Limited Liability Partnership | | 2023 |
| Penndent Ltd | Health & social care | 2019 |
| Pennholm Ltd | Wholesale & retail | 2020 |
| Pennine Joinery and Roofing Ltd | Construction | 2025 |
| Pennshoredynamic Limited | Professional & scientific | 2025 |
| Pennstone Ltd | Construction | 2018 |
| Pennsylvania Heights Management Company Limited | Real estate | 2010 |
| Penrhyn Collins Limited | Real estate | 2025 |
| Penta Prime Mart Ltd | Wholesale & retail | 2025 |
| Pentagon Property Limited | Real estate | 2002 |
| Pentalib Ltd | Arts & recreation | 2010 |
| Pentheus Property Maintenance Limited | Households | 2025 |
| Pentre Cefn 2000 Ltd | Real estate | 2023 |
| Peony Paraplanners Limited | Professional & scientific | 2025 |
| People and Business Insights Consulting Ltd | Professional & scientific | 2026 |
| People Brand Limited | Administrative & support | 2017 |
| People Intelligence Ltd | Information & communication | 2026 |
| People Skills Global Limited | Extraterritorial | 2014 |
| Pepped Ltd | Professional & scientific | 2020 |
| Pepper Print Shop Ltd | Wholesale & retail | 2014 |
| Pepperseed Creations Ltd | Professional & scientific | 2025 |
| Peproda Solutions Limited | Information & communication | 2016 |
| Peras Apeiron Limited | Financial services | 2025 |
| Peratio Ltd | Professional & scientific | 2022 |
| Perceptive Decorating Limited | Construction | 2006 |
| Percipient Capital Limited | Professional & scientific | 2010 |
| Pereybere(Uk) Limited | Real estate | 2016 |
| Perfect Pointing Limited | Construction | 2019 |
| Perfect Sparkle With Adriana Limited | Administrative & support | 2017 |
| Perfect Swarm Honey Company Limited | Extraterritorial | 2017 |
| Perfect Travel With Adriana Limited | Administrative & support | 2018 |
| Performance Axis Ltd | Administrative & support | 2026 |
| Performance Plastics Limited | Wholesale & retail | 2000 |
| Performance Ribs Ltd | Wholesale & retail | 2015 |
| Performax International Limited | Professional & scientific | 2004 |
| Periwinkle Ventures Ltd | Real estate | 2021 |
| Perks Bikes Limited | Wholesale & retail | 2024 |
| Perks Consulting Limited | Professional & scientific | 2023 |
| Perky Pineapple Limited | Wholesale & retail | 2025 |
| Peronesi Consulting Limited | Information & communication | 2012 |
| Perpetuo Insights Ltd | Administrative & support | 2019 |
| Perrys (Croydon) Limited | Wholesale & retail | 1960 |
| Perseus Group Software Ltd | Information & communication | 2012 |
| Personal Best (UK) Limited | Extraterritorial | 2004 |
| Personal Protect Information Ltd | Administrative & support | 2023 |
| Personal Touch Home Improvements Limited | Construction | 2021 |
| Perspective Investments Limited | Financial services | 2015 |
| Perty WIN Trade Ltd | Wholesale & retail | 2025 |
| Peruse Limited | Financial services | 2012 |