| Platinum Properties (South) Ltd | Real estate | 2024 |
| Platinum Retreats Ltd | Real estate | 2025 |
| Plemię Apparel Limited | Wholesale & retail | 2024 |
| Plumbeco Limited | Construction | 2005 |
| PMJ Next Level Ltd | Health & social care | 2013 |
| Pocket Rocket Car Sales Ltd | Wholesale & retail | 2017 |
| Pocock Holdings Limited | Financial services | 2023 |
| Point Acrobatics Gymnastics Club Ltd | Arts & recreation | 2022 |
| Polinvest Ltd | Real estate | 2025 |
| Polymieux (Properties) Limited | Real estate | 2006 |
| Pomade Limited | Other services | 2005 |
| Post Office Court (Whitchurch) Management Limited | Administrative & support | 1993 |
| POW Graphics Limited | Professional & scientific | 2019 |
| Powell's Pies Limited | Manufacturing | 2025 |
| Power Recharge Limited | Extraterritorial | 2016 |
| Precision Rifle Series Rimfire UK Ltd | Arts & recreation | 2024 |
| Prees Auto Services Limited | Wholesale & retail | 2023 |
| Prees Heath Forest Nurseries Limited | Agriculture & fishing | 2024 |
| Prees Storage Ltd | Agriculture & fishing | 2003 |
| Premier Business Audio Limited | Information & communication | 2007 |
| Prime Forensic Collision Investigations Ltd | Administrative & support | 2024 |
| Principality Parking Limited | Transport & logistics | 2024 |
| Pristine Auto Detailing Ltd | Wholesale & retail | 2025 |
| Pro Automotive Services Ltd | Wholesale & retail | 2016 |
| Pro-Fit Fencing Ltd | Construction | 2026 |
| Pro-Fit Graphix Ltd | Wholesale & retail | 2020 |
| Proactive Education Services Limited | Education | 2003 |
| Proactive Procurement Solutions Ltd | Professional & scientific | 2008 |
| Proads Solutions Ltd | Wholesale & retail | 2020 |
| Prodigy Sport Academy CIC | Education | 2023 |
| Professional Procurement Solutions Limited | Real estate | 2015 |
| Profitdesign Limited | | 1991 |
| Project Bespoke 26 Ltd | Manufacturing | 2026 |
| Pronin Limited | Construction | 2012 |
| Prospect Motorcycles Ltd | Other services | 2017 |
| Protection & Investment (Andover) Limited | Financial services | 2008 |
| Protecto Ltd | Extraterritorial | 2014 |
| Proverify Limited | Information & communication | 2024 |
| Provettech Ltd | Agriculture & fishing | 2017 |
| Prsco Ltd | Professional & scientific | 2009 |
| Prudential Motors Limited | Wholesale & retail | 2016 |
| PS PSP Limited | Financial services | 2024 |
| PS Technology Limited | Information & communication | 2025 |
| Psycle Interactive Limited | Information & communication | 1997 |
| PTF UK Ltd | Professional & scientific | 2018 |
| Pubs Logan Limited Limited | Hospitality | 2025 |
| Pure Air Solutions Ltd | Energy | 2013 |
| Purple Sky Limited | Real estate | 2021 |
| PWR Land Ltd | Construction | 2019 |
| Pyke Farms Ltd | Agriculture & fishing | 2025 |
| Q Sport Horses Limited | Arts & recreation | 2002 |
| Qbee Consults Ltd | Administrative & support | 2024 |
| Quadrant Property Investments Ltd | Construction | 2026 |
| Quick Car Value Limited | Wholesale & retail | 2023 |
| R & D Construction Ltd | Construction | 2026 |
| R & P Elevate Properties Ltd | Real estate | 2025 |
| R & R Holdings (Wrexham) 23 Limited | Manufacturing | 2023 |
| R & R Vernon Ltd | Agriculture & fishing | 2026 |
| R a White Services Ltd | Wholesale & retail | 2021 |
| R E Thompson SBU (Hampshire) Limited | Manufacturing | 1991 |
| R S Burgess & Sons Limited | Construction | 2006 |
| R W Brickwork & Construction Ltd | Construction | 2024 |
| R&R Interior Projects Ltd | Construction | 2025 |
| R.A. Jenton & Co. Limited | Professional & scientific | 1968 |
| R.E.Thompson & Co.(Vacuum)Limited | Manufacturing | 1964 |
| RA & HM Roberts Limited | Agriculture & fishing | 2009 |
| Rallyme.Co.Uk Limited | Administrative & support | 2014 |
| Ratcliffe Commercial Property Ltd | Real estate | 2018 |
| RAY White Limited | Agriculture & fishing | 2002 |
| Raynor Property Services Ltd | Households | 2018 |
| Raytrade UK Limited | Wholesale & retail | 2016 |
| RC and KC Seventeen Ltd | Wholesale & retail | 2024 |
| RDW Technologies Ltd | Information & communication | 2026 |
| Reaf Homes Ltd | Real estate | 2024 |
| Recyclapak Limited | Water & waste | 2011 |
| Red Plant Hire Limited | Professional & scientific | 2015 |
| Redbrook Projects Limited | Professional & scientific | 2024 |
| Reds Rentals Ltd | Real estate | 2025 |
| Reeves & Brown Limited | Real estate | 2018 |
| Refill Your Boots Ltd | Wholesale & retail | 2020 |
| Reflex Associates Limited | Professional & scientific | 2017 |
| Regency Safety Service Limited | Professional & scientific | 2008 |
| Rejuva Skin and Wellbeing Limited | Health & social care | 2024 |
| Reliable Reach Scaffolding Limited | Construction | 2024 |
| Render View Limited | Construction | 2006 |
| Rent Well Property Management Limited | Households | 2023 |
| Rentowna Ltd | Real estate | 2025 |
| Renu Biosolutions Ltd | Wholesale & retail | 2016 |
| Rescue ROD Group Holdings Limited | Professional & scientific | 2017 |
| Rescue ROD Limited | Administrative & support | 2003 |
| Resideng Ltd | Professional & scientific | 2020 |
| Results Communications Limited | Professional & scientific | 2015 |
| Retriever Limited | Professional & scientific | 2003 |
| RGM Construction 1968 Ltd | Construction | 2026 |
| RH Building SW Ltd | Construction | 2024 |
| Rhyder Clash Plumbing & Heating Ltd | Construction | 2022 |
| Rich Content Ltd | Information & communication | 2025 |
| Rich Wilkinson Ltd | Professional & scientific | 2022 |
| Richard Chadwick Groundcare Limited | Administrative & support | 2003 |
| Richard Walker Court (Whitchurch) Limited | Households | 1990 |