| Premier Roofing Group Limited | Professional & scientific | 2016 |
| Premier Roofing Specialists Limited | Extraterritorial | 2014 |
| Premier Roofing Systems Limited | Construction | 2011 |
| Premier System Solutions Limited | Information & communication | 1991 |
| Premier Windscreens (Northants) Ltd | Wholesale & retail | 2005 |
| Premium Joinery Ltd | Construction | 2026 |
| Premium Quality Ltd | Construction | 2020 |
| Premotrans Ltd | Transport & logistics | 2012 |
| Prestige Chiropractic Limited | Health & social care | 2009 |
| Prestige Luxury Valeting Ltd | Wholesale & retail | 2024 |
| Pretendo Ltd | Transport & logistics | 2018 |
| Pretty Balloons Limited | Hospitality | 2025 |
| Pricodikim Ltd | Transport & logistics | 2017 |
| Pride After Party UK CIC | Professional & scientific | 2025 |
| Pride Roofing and Construction Limited | Construction | 2012 |
| Primary Workshops for Schools Limited | Administrative & support | 2009 |
| Primeline Solutions Ltd | Professional & scientific | 2025 |
| Primetyme Limited | Health & social care | 2023 |
| Primo Point Services Ltd | Administrative & support | 2022 |
| Primrosecorby Ltd | Hospitality | 2023 |
| Princes Court Management (Kettering) Limited | Real estate | 1987 |
| Princewood Partners LLP | | 2019 |
| Prints Charming Photography Ltd | Transport & logistics | 2013 |
| Printsense Limited | Administrative & support | 2012 |
| Priors Estate Agents Ltd | Real estate | 2024 |
| Priscilla N Consultancy Ltd | Information & communication | 2021 |
| Priscilla N Properties Ltd | Real estate | 2024 |
| Pristine Edge Cleaning Ltd | Administrative & support | 2025 |
| Pristine-Screen Ltd | Other services | 2014 |
| PRK Civils & Technical Services Ltd | Professional & scientific | 2025 |
| Prlee Ltd | Transport & logistics | 2025 |
| PRN Support and Consultancy Ltd | Health & social care | 2025 |
| Pro Car Jack Ltd | Wholesale & retail | 2024 |
| Pro Eyes Ltd | Transport & logistics | 2023 |
| Pro Recruit Solution Limited | Administrative & support | 2024 |
| Pro-Gas (Midlands) Limited | Construction | 2013 |
| Proact Medical Limited | Wholesale & retail | 1995 |
| Proactive Commercial Maintenance Limited | Administrative & support | 2002 |
| Proactive Commercial Maintenance Services Limited | Administrative & support | 2012 |
| Proboundary Ltd | Agriculture & fishing | 2022 |
| Process Rain Limited | Information & communication | 2016 |
| Prof Recruit Limited | Administrative & support | 2024 |
| Professional Disposables International Limited | Wholesale & retail | 2007 |
| Professional Maintenance System Ltd | Transport & logistics | 2011 |
| Professional Match Limited | Administrative & support | 2025 |
| Professional Wealth Services Limited | Financial services | 2011 |
| Profile 8 Investments Ltd | Real estate | 2019 |
| Profixx Contracting Ltd | Construction | 2024 |
| Progrowth Limited | Real estate | 1994 |
| Proin Ltd | Wholesale & retail | 2023 |
| Projectile Ltd | Education | 2024 |
| Promens Packaging Limited | Manufacturing | 2003 |
| Promtechs Limited | Administrative & support | 2019 |
| Pronator Limited | Real estate | 2006 |
| Pronto Teamwear Limited | Manufacturing | 2023 |
| Prontoimages.Com Limited | Manufacturing | 2018 |
| Proper Property Limited | Real estate | 2012 |
| Properteck Ltd | Real estate | 2017 |
| Property Dynamix Ltd | Real estate | 2024 |
| Prospect Fabrications Ltd | Professional & scientific | 2022 |
| Protectapeel Limited | Extraterritorial | 2006 |
| Providence Merchants Limited | Financial services | 2026 |
| Provision Living Ltd | Health & social care | 2019 |
| Przemo Trans Ltd | Administrative & support | 2016 |
| PS Electrical Services Ltd | Energy | 2017 |
| PT Lettings Limited | Real estate | 2026 |
| Ptrc Education and Research Services Limited | Education | 1976 |
| Puglitech Web Ltd | Information & communication | 2025 |
| Pumpkin Print Limited | Administrative & support | 2009 |
| Pure Cleann Ltd | Administrative & support | 2025 |
| Pure Eats Limited | Wholesale & retail | 2025 |
| Pure Facilities Limited | Administrative & support | 2020 |
| Pure Glow Tanning Corby Ltd | Other services | 2025 |
| Pure Travel World Ltd | Administrative & support | 2016 |
| Pure Wool HUT Ltd | Wholesale & retail | 2018 |
| Purpose Staff Ltd. | Transport & logistics | 2017 |
| PV Financial Services Limited | Financial services | 2025 |
| PV Plastering Ltd | Construction | 2014 |
| PVB Dispersions Limited | Extraterritorial | 2015 |
| PVR Ltd | Information & communication | 2025 |
| Q&M Cleaning Ltd | Administrative & support | 2020 |
| Qaidi 804 Ltd | Hospitality | 2026 |
| Qhse Management & Consultancy Ltd | Professional & scientific | 2025 |
| QSL Ltd | Information & communication | 2000 |
| Quest Upholstery Ltd | Other services | 2022 |
| Quick Bart Ltd | Transport & logistics | 2018 |
| Quick&Safe Ltd | Construction | 2020 |
| Quilux Ltd | Professional & scientific | 2017 |
| R 66 Laser Limited | Manufacturing | 2018 |
| R D House Limited | Real estate | 2012 |
| R J I Building Ltd | Real estate | 2025 |
| R M Catering Essex Limited | Hospitality | 2026 |
| R M D Property Management Limited | Real estate | 2007 |
| R M Tanning Limited | Administrative & support | 2024 |
| R Meadow Management Company Limited | Households | 2023 |
| R P International Logistics Ltd | Transport & logistics | 2019 |
| R Rumcajs Limited | Wholesale & retail | 2016 |
| R&A Deals Ltd | Wholesale & retail | 2025 |
| R&A Taxi Ltd | Transport & logistics | 2025 |
| R&D Fast Logistics Limited | Transport & logistics | 2021 |