| Primex Logistics Limited | Transport & logistics | 2024 |
| Princethorpe Enterprises Limited | Education | 2010 |
| Princethorpe Poultry Consultancy Ltd | Agriculture & fishing | 2019 |
| Princethorpe Service Station Ltd | Wholesale & retail | 2013 |
| Print Presentation & Packaging Solutions Ltd | Manufacturing | 2025 |
| Print Warehouse Ltd | Manufacturing | 2024 |
| Priscilla's Tea Room Ltd | Hospitality | 2013 |
| Priston PUB Ltd | Hospitality | 2023 |
| Pritchards Logistics Limited | Transport & logistics | 2019 |
| Pritish Limited | Information & communication | 2020 |
| Pro Care Cars Limited | Wholesale & retail | 2024 |
| Pro Consult-In Ltd | Information & communication | 2023 |
| Pro GAS Services Limited | Professional & scientific | 1996 |
| Pro Invest AZ Ltd | Transport & logistics | 2015 |
| Pro Smart Bodyworx Ltd | Wholesale & retail | 2021 |
| Pro Sport Development International CIC | Education | 2018 |
| Pro-Dec Products Limited | Wholesale & retail | 2008 |
| Pro-Wash UK (Warks) Ltd | Administrative & support | 2011 |
| Proactive Finance Consultancy Ltd | Professional & scientific | 2016 |
| Proactive Systems Ltd | Wholesale & retail | 2006 |
| Proapex Ltd | Transport & logistics | 2026 |
| Probotics Limited | Health & social care | 2013 |
| Procuristics Ltd | Professional & scientific | 2013 |
| Prodstore Ltd | Information & communication | 2025 |
| Prodynamic Logistics Ltd | Real estate | 2023 |
| Proeco Logistics Ltd | Transport & logistics | 2016 |
| Profihgv Ltd | Information & communication | 2022 |
| Profix Garage Ltd | Wholesale & retail | 2024 |
| Program - ME Limited | Information & communication | 2004 |
| Progressive Clarity Limited | Households | 2019 |
| Progressive Strategic Management Ltd | Information & communication | 2013 |
| Project 7 Property Ltd | Real estate | 2020 |
| Project Number 9 Limited | Other services | 2025 |
| Project Planning Ltd | Professional & scientific | 2010 |
| PROJEKT21 Limited | Wholesale & retail | 2013 |
| Projoint Services Ltd | Energy | 2026 |
| Propello Network Ltd | Information & communication | 2025 |
| Property COW Ltd | Real estate | 2023 |
| Property Pads (Rugby) Limited | Real estate | 2024 |
| PROPERTY4HOMES Ltd | Real estate | 2021 |
| Propglobal Ltd | Real estate | 2021 |
| Proptropolis Limited | Manufacturing | 2023 |
| Proseworks Limited | Professional & scientific | 2001 |
| Proship Transport Ltd | Transport & logistics | 2025 |
| Prosolv Ltd | Information & communication | 2020 |
| Prospect Park Management Company Limited | Real estate | 2008 |
| Prospeed Haulage Ltd | Transport & logistics | 2026 |
| Prospeed Ltd | Transport & logistics | 2025 |
| Prosser & Co Ltd | Manufacturing | 2026 |
| Prototubes & Bars Limited | Wholesale & retail | 2010 |
| Proud PUB Company Ltd | Hospitality | 2014 |
| Providence Care Homes Ltd | Health & social care | 2025 |
| Provident Healthcare ENG Ltd | Public administration | 2020 |
| Prsn Technologies Limited | Information & communication | 2025 |
| Prudent Ifa's Limited | Financial services | 2017 |
| Pryor Procurement Consultancy Ltd | Professional & scientific | 2024 |
| PS Commodities Ltd | Wholesale & retail | 2023 |
| PS Drive Ltd | Transport & logistics | 2025 |
| PS Education Limited | Education | 2005 |
| PS Land Management Ltd | Real estate | 2025 |
| PS Wealth Solutions Limited | Financial services | 2018 |
| PSJ Holdings I Limited | Financial services | 2025 |
| PSJ Holdings II Limited | Financial services | 2025 |
| PSR Detailing Ltd | Transport & logistics | 2022 |
| PSV Engineers Ltd. | Professional & scientific | 2022 |
| Psychological Mind Centre Ltd | Health & social care | 2020 |
| PT Internet Consultancy Ltd | Information & communication | 2013 |
| PTI Express Limited | Transport & logistics | 1989 |
| Puddleduck Cottages LLP | | 2022 |
| Pughview Limited | Professional & scientific | 2010 |
| Pulsar Renewable Energy Solutions Ltd. | Construction | 2022 |
| Pumpkin 42 Limited | Information & communication | 2011 |
| Punjab Frights Limited | Transport & logistics | 2026 |
| Puppy Paradise Ltd | Agriculture & fishing | 2025 |
| Pure and RAW Limited | Hospitality | 2014 |
| Pure Bliss Burgers Ltd | Hospitality | 2024 |
| Pure Harmony Clinic Ltd | Other services | 2013 |
| Pure OH Limited | Public administration | 2015 |
| Pure Valley Estates Ltd | Real estate | 2024 |
| Pure Valley Homes Limited | Construction | 2023 |
| Purely Mortgages (Rugby) Limited | Financial services | 2006 |
| Purity Salons Ltd | Other services | 2023 |
| Purkis Property 360 Ltd | Real estate | 2025 |
| Purple OWL Consulting Limited | Professional & scientific | 2021 |
| Purple Trees Trading Ltd | Other services | 2024 |
| PV & Son’S Investment Ltd | Real estate | 2022 |
| PWC Associates Ltd | Professional & scientific | 2011 |
| PWR Europe Limited | Manufacturing | 2007 |
| Pyramid Meditation Foundation | Education | 2017 |
| Pyro Limited | Administrative & support | 2004 |
| QCD Manufacturing Ltd | Professional & scientific | 2010 |
| QEH Systems Limited | Professional & scientific | 2015 |
| QS Zone Limited | Professional & scientific | 2015 |
| Qspr Limited | Real estate | 2011 |
| Quadratick Ltd | Information & communication | 2023 |
| Quadrillion Properties Limited | Real estate | 2024 |
| Qualco Limited | Wholesale & retail | 2002 |
| Quality Components (UK) Limited | Manufacturing | 1997 |
| Quality Hardware Ltd | Wholesale & retail | 2017 |
| Quality Picks Ltd | Transport & logistics | 2017 |