| Premium Electrical Solutions Ltd | Construction | 2016 |
| Premiumglobalsltd Ltd | Construction | 2026 |
| Premiummmm Ltd | Education | 2018 |
| Premiummmm Motors Ltd | Wholesale & retail | 2023 |
| Presanne Care Consultancy Ltd. | Administrative & support | 2015 |
| Prestige Pressure Washing Ltd | Administrative & support | 2024 |
| PRESTIGE4CLEANERS Ltd | Administrative & support | 2025 |
| Prime Edge Limited | Information & communication | 2009 |
| Prime Estate Essex Ltd | Real estate | 2025 |
| Prime Events Rental Ltd | Administrative & support | 2018 |
| Prime Landscaping & Roofing Ltd | Construction | 2024 |
| Prime MS Investment Ltd | Real estate | 2024 |
| Prime Reliance Services Limited | Administrative & support | 2024 |
| Prime Resolve Group Ltd | Administrative & support | 2026 |
| Prime Support Healthcare Ltd | Health & social care | 2024 |
| Primegeneral Limited | Wholesale & retail | 2022 |
| Primelog Ltd | Transport & logistics | 2019 |
| Primeneeds Ltd | Wholesale & retail | 2025 |
| Primicia Ltd | Real estate | 1991 |
| Primuswood Ltd. | Construction | 2015 |
| Priority 24 Healthcare Ltd | Health & social care | 2018 |
| Priority Leisure Limited | Agriculture & fishing | 1995 |
| Prisana Ltd | Construction | 2021 |
| Prisana Property Ltd | Real estate | 2025 |
| Prishay Consultancy Services Ltd | Professional & scientific | 2019 |
| Prismo Cleaning Services Ltd | Administrative & support | 2025 |
| Pro Cutz Ltd | Other services | 2021 |
| Pro Moves Logistics Ltd | Transport & logistics | 2025 |
| Pro Paving and Landscaping Ltd | Construction | 2016 |
| Pro-Epic Ltd | Wholesale & retail | 2024 |
| Probuilder Services Ltd | Construction | 2025 |
| Procore Construction Ltd | Manufacturing | 2022 |
| Prodel Logistics Ltd | Transport & logistics | 2025 |
| Proedyl Group Ltd | Construction | 2025 |
| Proedyl Ltd | Construction | 2018 |
| Professional Construct Ltd | Construction | 2020 |
| Professional SEO Services Ltd | Information & communication | 2023 |
| Profix Installs Ltd | Construction | 2022 |
| Progress Car Hire Management Limited | Professional & scientific | 2025 |
| Progress FC Limited | Arts & recreation | 2026 |
| Project Creative Pathways CIC | Professional & scientific | 2025 |
| Project Ether Limited | Wholesale & retail | 2025 |
| Projectwiz Ltd | Information & communication | 2026 |
| Prolific Property Solutions Ltd | Real estate | 2025 |
| Proline Electrical Limited | Construction | 2020 |
| Promac Transport Limited | Transport & logistics | 2013 |
| Promega Investments Ltd | Real estate | 2019 |
| Promega Systems Limited | Information & communication | 2002 |
| Promptact Services Limited | Administrative & support | 2013 |
| Pront Trans Ltd | Transport & logistics | 2022 |
| Pronto Parcels Ltd | Transport & logistics | 2025 |
| Prontoedilizia Ltd | Construction | 2019 |
| Proper Construction Solutions Ltd | Construction | 2019 |
| Property by Mike Ltd | Real estate | 2024 |
| Propowersteering Ltd. | Wholesale & retail | 2015 |
| Propsphere Limited | Real estate | 2026 |
| Prospera Consulting Ltd | Information & communication | 2026 |
| Prospera Financial Ltd | Professional & scientific | 2024 |
| Prosperity Wellness Consultancy Ltd | Other services | 2024 |
| Proswap Ltd | Other services | 2024 |
| Proton Electrical Ltd | Construction | 2025 |
| Przemo Ltd | Transport & logistics | 2019 |
| PSL Wholesale Ltd | Construction | 2024 |
| PSP Haulage Ltd | Transport & logistics | 2020 |
| Pstrowski Transport Ltd | Transport & logistics | 2026 |
| Psynnott Auto Electrical Services Ltd | Manufacturing | 2024 |
| PT Thomas & Sons Ltd | Hospitality | 2015 |
| Ptee Ltd | Transport & logistics | 2025 |
| Puff Raha Ltd | Wholesale & retail | 2025 |
| Pulsar Brands Ltd | Wholesale & retail | 2023 |
| Pulse Health Group Limited | Health & social care | 2020 |
| Pulse Market Solutions UK Ltd | Professional & scientific | 2025 |
| Pure Cloud Ltd | Wholesale & retail | 2025 |
| Pure Flow Drainage Ltd | Water & waste | 2026 |
| Pure Piling Ltd | Construction | 2021 |
| Pure Pristine Cleans Ltd | Administrative & support | 2024 |
| Pure VUE Windows Ltd | Administrative & support | 2026 |
| Pureenergy Innovations Ltd | Construction | 2024 |
| Purfleet Commercials Limited | Wholesale & retail | 1984 |
| Purfleet RTM Company Limited | Real estate | 2011 |
| Purielle Ltd | Wholesale & retail | 2026 |
| Purity & Truth Creations Ltd | Extraterritorial | 2023 |
| Purple Phoenix Limited | Administrative & support | 2018 |
| Purple Property Investments Limited | Real estate | 2017 |
| Purple Star Ltd | Wholesale & retail | 2021 |
| Pursebridge Limited | Construction | 1982 |
| Pv&Wb Storage Solutions Ltd | Transport & logistics | 2025 |
| PVD Trans Ltd | Construction | 2024 |
| PVW Services Ltd | Construction | 2024 |
| PW Finance Solutions Ltd | Professional & scientific | 2025 |
| PW62 Consultant Ltd | Information & communication | 2019 |
| PYM Allotment 22 Ltd | Agriculture & fishing | 2022 |
| Pyramid Systems Limited | Information & communication | 2015 |
| Q Fire Protection Limited | Public administration | 2017 |
| Q Group Club Limited | Education | 2015 |
| QA Mechanic Ltd | Wholesale & retail | 2019 |
| QAZ Properties Ltd | Real estate | 2024 |
| QD Lettings Limited | Real estate | 2012 |
| QE2 Supplies Limited | Wholesale & retail | 2021 |
| QP Tyres Centre Limited | Wholesale & retail | 2025 |