| Paul Ricketts Limited | Professional & scientific | 2013 |
| Paulina’S Kitchen Ltd | Hospitality | 2025 |
| Pavan Tanay Ltd | Wholesale & retail | 2019 |
| Pavay Venture International Limited | Manufacturing | 2018 |
| Paving Resin Driveways Ltd | Construction | 2025 |
| PAW PAW CHA Ltd | Hospitality | 2025 |
| PAW Troopers Limited | Wholesale & retail | 2023 |
| Pawmazing Products Limited | Wholesale & retail | 2024 |
| Paws & Glow Ltd | Wholesale & retail | 2026 |
| Payan Ltd | Households | 2019 |
| Payblock Holding Limited | Financial services | 2022 |
| PB 58 Ltd | Wholesale & retail | 2019 |
| PB Foods Ltd | Wholesale & retail | 2018 |
| PB09 Limited | Hospitality | 2019 |
| PB36 Limited | Hospitality | 2018 |
| PB48 Limited | Hospitality | 2019 |
| PBK Group Limited | Real estate | 2023 |
| Pbma Ltd | Administrative & support | 2020 |
| Pbmp Ltd | Wholesale & retail | 2026 |
| PBS Enterprise Limited | Wholesale & retail | 2011 |
| PCA Construction Ltd | Construction | 2013 |
| Pcaa Ltd | Information & communication | 2019 |
| Pcningled Co., Ltd | Wholesale & retail | 2023 |
| PCO Car Rental Ltd | Administrative & support | 2024 |
| PCO Plus Limited | Public administration | 2024 |
| Pcrid Ltd | Construction | 2025 |
| PCS Consulting Force Ltd | Information & communication | 2017 |
| PCS Overseas Education Ltd | Professional & scientific | 2020 |
| PCS Scaffolding Parts Limited | Construction | 2020 |
| PCS UK Group Ltd | Information & communication | 2025 |
| PDA HUT Limited | Wholesale & retail | 2003 |
| PDE Catering Ltd | Hospitality | 2023 |
| PDK Mandaps Ltd | Other services | 2024 |
| PDQ Construction Group Ltd | Construction | 2008 |
| Peak Enter Limited | Wholesale & retail | 2018 |
| Peak Kitchens Limited | Construction | 2022 |
| Peak Performance Technology Solutions Limited | Information & communication | 2024 |
| Pearl Asset Management Limited | Households | 2012 |
| Pearl Power Ltd | Real estate | 2021 |
| Pearl Windows and Doors Limited | Construction | 2010 |
| Pearlrocks Limited | Health & social care | 2010 |
| Peas Properties Limited | Real estate | 2025 |
| Peethala Associates Limited | Health & social care | 2013 |
| Pegas 23 Ltd | Real estate | 2024 |
| Pegasus CJ Property Ltd | Real estate | 2024 |
| Pegasus Pictorials Limited | Other services | 2024 |
| Peggy Holdings Ltd | Real estate | 2025 |
| Pehnawa Exclusive Limited | Wholesale & retail | 2024 |
| Pelican Dairy Ltd | Manufacturing | 2025 |
| Pemba Property Ltd | Real estate | 2022 |
| Pempath Ltd | Professional & scientific | 2023 |
| Pendlemore Limited | Real estate | 2004 |
| Pendura Ltd | Information & communication | 2026 |
| Penguins Builders Merchants Ltd | Wholesale & retail | 2020 |
| Penny Pound Limited | Wholesale & retail | 2025 |
| Peoples Benefit Limited | Construction | 2023 |
| Peoples Security Limited | Administrative & support | 2025 |
| Pepe Contracts Ltd | Construction | 2022 |
| Peramount Ltd | Wholesale & retail | 2026 |
| Perci Transport Ltd | Transport & logistics | 2022 |
| Percipere Consulting Ltd. | Information & communication | 2017 |
| Percland Limited | Real estate | 1989 |
| Perediza Ltd | Manufacturing | 2024 |
| Perfect Travel Partners Ltd | Administrative & support | 2024 |
| Peri UP Ltd | Hospitality | 2026 |
| Perkins Estate Agents Wembley Limited | Real estate | 2025 |
| Perspicio Glazing Solutions Ltd | Construction | 2024 |
| Perush Ltd | Wholesale & retail | 2015 |
| Peter Auto Ltd | Wholesale & retail | 2022 |
| Peter Contractors Ltd | Construction | 2018 |
| Peterborough Wellness Company Ltd | Other services | 2023 |
| Petit Cham Limited | Administrative & support | 2021 |
| Petit Parfum Ltd | Hospitality | 2025 |
| Petit Reve Ltd | Wholesale & retail | 2026 |
| Petkov 75 Limited | Construction | 2007 |
| Petnestory Ltd | Information & communication | 2026 |
| Petrosol Ltd | Wholesale & retail | 2023 |
| Pevc Consulting Ltd | Professional & scientific | 2023 |
| Peyk Ltd | Manufacturing | 2016 |
| Peyk Propco LLP | | 2024 |
| PFD Construction Ltd | Construction | 2014 |
| PG Construction & Design Ltd | Construction | 2024 |
| PG Corporation (GB) Limited | Wholesale & retail | 2021 |
| Pharm Medica Limited | Wholesale & retail | 1981 |
| Pharma Beauticals Limited | Health & social care | 2017 |
| Pharma Innovations Holding Ltd | Wholesale & retail | 2025 |
| Pharma-Export Ltd | Wholesale & retail | 2003 |
| Pharmace Digital Ltd | Information & communication | 2023 |
| Pharmadvice Ltd | Other services | 2017 |
| Pharmaelite Ltd | Wholesale & retail | 2012 |
| Pharmaforce Ltd | Professional & scientific | 2014 |
| Pharmapoint UK Ltd | Wholesale & retail | 2015 |
| Pharmunity Limited | Wholesale & retail | 2025 |
| Phase Shift Limited | Information & communication | 2013 |
| PHD Consultants Ltd | Hospitality | 2023 |
| Pheasant Commercial and Contractual Solutions Ltd | Professional & scientific | 2020 |
| Pheasants Patisserie Ltd | Manufacturing | 2025 |
| Phil ME UP Ltd | Transport & logistics | 2022 |
| Phill & Lucas Property Ltd | Real estate | 2024 |
| PHO Bros Limited | Hospitality | 2024 |