| Portal Accountants Ltd | Extraterritorial | 2013 |
| Portfolio Finance Director Limited | Administrative & support | 2018 |
| Portland Executive Limited | Information & communication | 2016 |
| Poseidon Swim Academy Ltd | Education | 2018 |
| Povey Design & Engineering Ltd | Manufacturing | 2024 |
| Powergrip Sport Ltd | Other services | 2016 |
| Powerheights Ltd | Transport & logistics | 2019 |
| Powertest UK Limited | Manufacturing | 2007 |
| PP Sanitation Limited | Administrative & support | 1997 |
| PPL ACS Limited | Construction | 2010 |
| PR Hilton Ltd | Transport & logistics | 2021 |
| PR Mortgages Together Ltd | Financial services | 2026 |
| Praise Telecommunications and Infrastructure Ltd | Information & communication | 2021 |
| Preeti Ferrier Mortgage Consultancy Limited | Financial services | 2018 |
| Premier CNC Services Ltd | Manufacturing | 2015 |
| Premier PRE - Cast Developments Limited | Professional & scientific | 2003 |
| Premier Tents & Event Hire Ltd | Administrative & support | 2022 |
| Premier Vehicle Distribution Limited | Transport & logistics | 2011 |
| Prestige Loft Conversions & Extensions Ltd | Construction | 2004 |
| Prestige Plastering & Partitions Limited | Construction | 2002 |
| Prestige Preservation Limited | Construction | 2003 |
| Prestige Tanning House Ltd | Other services | 2017 |
| Price and Searl Limited | Health & social care | 2008 |
| Price Stores Limited | Wholesale & retail | 2021 |
| Priceworks Limited | Professional & scientific | 1995 |
| Primary PM Limited | Construction | 2025 |
| Prime Caregiver Solutions CIC | Administrative & support | 2025 |
| Primedough Ltd | Transport & logistics | 2019 |
| Primerear Ltd | Transport & logistics | 2019 |
| Primopak Produce Containers Limited | Professional & scientific | 1980 |
| Principle Logistics Real Estate Co Ltd | Real estate | 2023 |
| Printz of Belle Ware Limited | Extraterritorial | 2020 |
| Priority Driveways and Landscaping Ltd | Construction | 2024 |
| Priority Hire Ltd | Real estate | 2009 |
| Priority Property Hire Ltd | Real estate | 2025 |
| Pristine Gardens Ltd | Administrative & support | 2011 |
| Pritch Design Ltd | Arts & recreation | 2016 |
| Prithazure Ltd | Hospitality | 2023 |
| Pro CUT and Shave Ltd | Other services | 2025 |
| Pro Student Recruitment Ltd | Administrative & support | 2022 |
| Procure Support Limited | Professional & scientific | 2024 |
| Production Support Services Limited | Wholesale & retail | 2006 |
| Progardenmanagement Ltd | Administrative & support | 2019 |
| PROJECTBUN26 Ltd | Hospitality | 2025 |
| PROJEX-1 Accident Repair Centre Ltd | Wholesale & retail | 2024 |
| Property Bro'Z Ltd | Construction | 2026 |
| Property by ARK Ltd | Real estate | 2024 |
| Property Investment Works Ltd | Real estate | 2026 |
| Prorei Capital Limited | Real estate | 2017 |
| Proshine Experts Limited | Administrative & support | 2025 |
| Providence Roofing Ltd | Construction | 2025 |
| PRP Services Ltd | Construction | 2025 |
| PSE Freight UK Ltd | Transport & logistics | 2026 |
| PSS Group UK Ltd | Financial services | 2016 |
| PSW Estates Ltd | Real estate | 2025 |
| Puebla Ltd | Administrative & support | 2022 |
| Pure-Effect Limited | Administrative & support | 2026 |
| Pureshield Coatings Ltd | Wholesale & retail | 2024 |
| Purnell Project Management Limited | Professional & scientific | 2011 |
| Purple Granite Ltd | Manufacturing | 2010 |
| Purrfect Engineering Ltd | Professional & scientific | 2018 |
| Purrrfect Cattery Woodside Ltd | Other services | 2019 |
| Puxton Places CIC | Arts & recreation | 2026 |
| PX Darby Ltd | Health & social care | 2022 |
| Pyehillfarm Ltd | Hospitality | 2022 |
| Pyjithazy Ltd | Hospitality | 2023 |
| Pylwithzy Ltd | Hospitality | 2023 |
| Pyrevioures Ltd | Hospitality | 2023 |
| Q-Share International Limited | Professional & scientific | 2016 |
| Q6 Group Ltd | Education | 2017 |
| Qadeshzy Ltd | Hospitality | 2023 |
| Qanorer Ltd | Administrative & support | 2024 |
| Qarenciozy Ltd | Health & social care | 2024 |
| QC Woodhouse Ltd | Administrative & support | 2022 |
| Qenittious Ltd | Administrative & support | 2024 |
| QF Mather Ltd | Administrative & support | 2022 |
| QI Collection Limited | Wholesale & retail | 2025 |
| Qimziore Ltd | Administrative & support | 2024 |
| Qraze Ltd | Administrative & support | 2024 |
| Quadra Logistics Solutions Ltd | Transport & logistics | 2025 |
| Quality Accountants and Tax Advisor's Ltd | Extraterritorial | 2012 |
| Quality Focus | Professional & scientific | 2004 |
| Quality Independent Financial Advisor's Ltd | Extraterritorial | 2013 |
| Quality Investment Management Ltd | Extraterritorial | 2013 |
| Quality Professional Partnership Limited | Extraterritorial | 2010 |
| Quality Risk Solutions Ltd | Extraterritorial | 2014 |
| Quality Tax Advisor's Ltd | Extraterritorial | 2013 |
| Quality Tax Ltd | Extraterritorial | 2016 |
| Quantum Mouldings Limited | Manufacturing | 2001 |
| Quarters Representation Limited | Transport & logistics | 2021 |
| Quazigium Ltd | Administrative & support | 2024 |
| Quelyst Ltd | Administrative & support | 2024 |
| Quest HR Consulting Limited | Professional & scientific | 2015 |
| Quick Food Products Limited | Manufacturing | 2013 |
| Quorum 427 Limited | Real estate | 2016 |
| R C S Auto Services Limited | Wholesale & retail | 2013 |
| R D Clarke Transport Ltd | Transport & logistics | 2024 |
| R H Autos (Midlands) Limited | Wholesale & retail | 2021 |
| R J Mcdonald TM Ltd | Construction | 2023 |
| R M J Driving Services Limited | Transport & logistics | 2019 |