| People Pro Ltd | Administrative & support | 2022 |
| Pepis Kirton Limited | Hospitality | 2023 |
| Percuil Advisory Group Ltd | Financial services | 2024 |
| Performance PT Ltd | Other services | 2014 |
| Performing Arts Club ST Johns C.I.C. | Arts & recreation | 2015 |
| Pestcotek Limited | Agriculture & fishing | 2012 |
| Pestx Ltd | Other services | 2001 |
| Petrovine Limited | Transport & logistics | 1988 |
| Pfeifer Timber UK Ltd | Wholesale & retail | 2025 |
| PHD Technical Services Ltd | Construction | 2016 |
| Philmoh Spotless Solution Ltd | Administrative & support | 2025 |
| Phoenix Coffee Co Ltd | Hospitality | 2023 |
| Pickering Contractors Limited | Agriculture & fishing | 2013 |
| Pinecrest Roofing Ltd | Construction | 2026 |
| Ping Europe Limited | Manufacturing | 1973 |
| Pink Leaf Properties Limited | Real estate | 2024 |
| Pippyink Prints Limited | Arts & recreation | 2018 |
| Pizza Dolce Ltd | Hospitality | 2023 |
| Pizza Panzarotti Ltd | Hospitality | 2026 |
| PJT Bathrooms Limited | Construction | 2025 |
| PJT Plumbing & Heating Limited | Construction | 2025 |
| PKB Developments Ltd | Real estate | 2024 |
| Planet Save Ltd | Administrative & support | 2020 |
| Plant and Vehicle Repairs Limited | Wholesale & retail | 2019 |
| Plant Protect and Ride Ltd | Financial services | 2023 |
| PLAYER12 Limited | Information & communication | 2024 |
| Pleasure GAP Ltd | Wholesale & retail | 2023 |
| Plume Capital Holdings Limited | Financial services | 2026 |
| Plus Skills Development Ltd | Education | 2014 |
| PLW Electrical Services Ltd | Other services | 2024 |
| Poly AM Limited | Manufacturing | 2021 |
| Polycrete Limited | Manufacturing | 2025 |
| Polymer Works Ltd | Manufacturing | 2024 |
| Ponderosa Developments Ltd | Real estate | 2023 |
| Ponderosa Properties Ltd | Real estate | 2023 |
| Poppy Heavy Haulage Ltd | Transport & logistics | 2025 |
| Poppy Plant Limited | Wholesale & retail | 2019 |
| Practical Infosec Limited | Information & communication | 2020 |
| Precision Sports Coaching & Development CIC | Education | 2022 |
| Prepared for YOU Ltd | Transport & logistics | 2020 |
| Prestige Interiors (EG) Limited | Construction | 2023 |
| Prestige Residential Holdings Ltd | Real estate | 2025 |
| Prestige Sales Limited | Real estate | 2024 |
| Prestigious Healthcare Solutions Ltd | Health & social care | 2020 |
| Pretorian Group Limited | Financial services | 2021 |
| Pretorian Holdings Limited | Financial services | 2019 |
| Pretorian Technologies Limited | Manufacturing | 1998 |
| Price Residential Ltd | Real estate | 2026 |
| Primary Care Interests Ltd | Other services | 2021 |
| Prime Portfolio Lettings Trading AS Richard Foster EXP Lettings Limited | Real estate | 2026 |
| Prime Repairs and Maintenance Limited | Extraterritorial | 2010 |
| PRJ Transport Limited | Transport & logistics | 2017 |
| PRN Care 24 Ltd | Health & social care | 2015 |
| Pro Player Football Academy Limited | Education | 2016 |
| Pro Player Football Academy Rotherham Ltd | Education | 2024 |
| Pro Player Holiday Courses Limited | Education | 2021 |
| Pro X Supplements Ltd | Wholesale & retail | 2024 |
| Pro-Vision HSE Limited | Professional & scientific | 2025 |
| Proactive Payroll Services Limited | Construction | 2015 |
| Process Electrical Ltd | Construction | 2026 |
| Proctor Consultancy Ltd | Professional & scientific | 2015 |
| Procure Health Care Solution Ltd | Health & social care | 2025 |
| Productivity People Ltd | Professional & scientific | 2026 |
| Project Advisory Consulting Limited | Professional & scientific | 2012 |
| PROMO1 Limited | Information & communication | 2019 |
| Proper Burgerz Limited | Hospitality | 2025 |
| Property All-Star Ltd | Real estate | 2023 |
| Property Rentaluk Ltd | Real estate | 2022 |
| Prosperus Finance Ltd | Other services | 2019 |
| PSC Training Solutions Limited | Education | 2014 |
| PSS Electrical Ltd | Construction | 2026 |
| PTS Newark Ltd | Wholesale & retail | 2025 |
| PURESHINE4U Ltd | Administrative & support | 2022 |
| Puritech (UK) Ltd | Manufacturing | 2011 |
| Pycroft Building Limited | Construction | 2009 |
| Pyramid Plastics UK Limited | Manufacturing | 1985 |
| Qestimating Ltd | Other services | 2022 |
| QS Global Support (SVS) Ltd | Professional & scientific | 2026 |
| QS Global Support Limited | Professional & scientific | 2020 |
| Quattro Sports Limited | Wholesale & retail | 2007 |
| Qube Construction Services Ltd | Construction | 2018 |
| Queensway Sweets and Treats Ltd | Wholesale & retail | 2026 |
| Quickcrest Solutions Ltd | Public administration | 2025 |
| Quillys Building Services Limited | Construction | 2009 |
| R & B Recoveries Ltd | Administrative & support | 2026 |
| R & E Electrical Limited | Construction | 2003 |
| R Batchelor Services Ltd | Professional & scientific | 2025 |
| R C E Duckering Limited | Agriculture & fishing | 2021 |
| R C Letting Limited | Real estate | 2025 |
| R C Steel Fixing Ltd | Construction | 2025 |
| R E Exteriors Ltd | Administrative & support | 2024 |
| R E G Services (Lincs) Ltd | Administrative & support | 2025 |
| R G Kern Limited | Wholesale & retail | 2013 |
| R J Bingham Limited | Agriculture & fishing | 2008 |
| R J Walker Commercials Limited | Wholesale & retail | 2013 |
| R L Day Electrical Services Ltd | Construction | 2015 |
| R LEE Park Homes Limited | Hospitality | 2016 |
| R T Price Agricultural Contractors Ltd | Other services | 2019 |
| R&M Properties Gainsborough Limited | Real estate | 2022 |
| R&R Company and Services Limited | Health & social care | 2022 |