| Precise Drainage Solutions Ltd | Construction | 2023 |
| Precision Building Consultants Ltd | Professional & scientific | 2025 |
| Precision Flight Services Limited | Transport & logistics | 2024 |
| Precision Groundworks and Civils Ltd | Construction | 2018 |
| Precision Metal Polishing Limited | Professional & scientific | 2009 |
| Precision Plant Hire Ltd | Construction | 2018 |
| Precision Reactive Operations Ltd | Construction | 2019 |
| Precognition Limited | Professional & scientific | 2003 |
| Prelar Fashion Events and Media Enterprises Ltd | Administrative & support | 2025 |
| Premier Academy Educational Consult Limited | Hospitality | 2023 |
| Premier Builders (Southern) Ltd | Construction | 2026 |
| Premier Education Services Company Limited | Education | 2020 |
| Premier Home Help (Hampshire) Limited | Health & social care | 2017 |
| Premier Hygienic Interiors Ltd. | Construction | 1999 |
| Premier Projects Limited | Construction | 2023 |
| Premier Shirley Ltd | Wholesale & retail | 2018 |
| Premium CARE4U Limited | Public administration | 2024 |
| Premium Height Ltd | Information & communication | 2022 |
| Premium Property Maintenance Ltd | Information & communication | 2015 |
| PREMIUMBUILD4 Ltd. | Construction | 2018 |
| Prentice Decorating Ltd | Construction | 2020 |
| Preshape Limited | Transport & logistics | 2026 |
| Pressco Limited | Professional & scientific | 2003 |
| Pressco Medical Limited | Wholesale & retail | 2020 |
| Prestage and Hill Limited | Construction | 2009 |
| Prestidge Holdings Ltd | Financial services | 2025 |
| Prestige Automotive Group Limited | Wholesale & retail | 2016 |
| Prestige Diesels & Sports Limited | Wholesale & retail | 2011 |
| Prestige Group Roofing Limited | Construction | 2025 |
| Prestige Kitchens Limited | Construction | 2016 |
| Prestige Plumbing (Havant) Ltd | Construction | 2014 |
| Prestige Property Care Ltd | Construction | 2022 |
| Preston Hall Mews Ltd | Households | 2016 |
| Pretty AS a Picture Ltd | Other services | 2015 |
| Pretty by Nature Ltd | Wholesale & retail | 2022 |
| Pretty P Ltd | Other services | 2025 |
| Prettyperfectgirl Limited | Other services | 2018 |
| Prevision Success Limited | Other services | 2010 |
| Priddy's Portfolio Ltd | Real estate | 2022 |
| Priincess Touch and Care Ltd | Other services | 2026 |
| Prima-Tech II Ltd | Information & communication | 2021 |
| PRIMA04 Limited | Health & social care | 2019 |
| PRIMARY1ST Ltd | Education | 2024 |
| Prime Engineering Solutions Ltd | Manufacturing | 2022 |
| Prime Events & Travel Limited | Wholesale & retail | 2021 |
| Prime Fasteners UK Ltd | Manufacturing | 2019 |
| Prime Pest Control Limited | Administrative & support | 2021 |
| Prime Properties for Professionals Limited | Real estate | 2012 |
| Prime Wise Services Ltd | Administrative & support | 2025 |
| Primecare Connect Services Ltd | Health & social care | 2020 |
| Primecare GP Ltd | Health & social care | 2026 |
| Primetc Ltd | Hospitality | 2011 |
| Principal Digital Consulting Ltd | Professional & scientific | 2019 |
| Principal Personnel Limited | Administrative & support | 2020 |
| Principal Recruitment Technology Ltd | Information & communication | 2022 |
| Principle Construction Limited | Construction | 2019 |
| Printbar Ltd | Manufacturing | 2012 |
| Printgo Group Ltd | Manufacturing | 2026 |
| Priolo Legal Search Ltd | Administrative & support | 2025 |
| Priory Building & Development Limited | Construction | 2003 |
| Priory Court Flat Owners Limited | Hospitality | 2004 |
| Priory Formwork Holdings Limited | Financial services | 2023 |
| Priory Formwork Limited | Construction | 2019 |
| Priory Formwork Plant Hire Limited | Administrative & support | 2023 |
| Priory House (Southwick) Limited | Professional & scientific | 2012 |
| Priory Property Group (South) Limited | Real estate | 2024 |
| Priory Tree Care Ltd | Other services | 2014 |
| Pristine Property Service Ltd | Construction | 2022 |
| Pritchard Architecture Limited | Professional & scientific | 2017 |
| Privacy People Ltd | Information & communication | 2022 |
| Private Hire Limited | Construction | 2003 |
| Priy Ltd | Real estate | 2025 |
| PRM Investments Limited | Real estate | 2016 |
| Pro Auto Body Repair Ltd | Wholesale & retail | 2025 |
| Pro Build Construction Group Ltd | Construction | 2022 |
| Pro Consult Accounting Ltd | Professional & scientific | 2021 |
| Pro Fade Barbers Ltd | Other services | 2022 |
| Pro FIX Roofing Ltd | Construction | 2026 |
| Pro GAS Southern Ltd | Construction | 2022 |
| Pro Pave (UK) Limited | Construction | 2002 |
| Pro Rugby CC Ltd | Education | 2018 |
| Pro Site Engineering Ltd | Construction | 2026 |
| Pro-Sealants Ltd | Wholesale & retail | 2024 |
| Proac Solutions Ltd | Information & communication | 2009 |
| Proactive Care Providers Limited | Administrative & support | 2005 |
| Proaggy Limited | Administrative & support | 2019 |
| Procare Community Services Limited | Health & social care | 2017 |
| Procare Health Limited | Health & social care | 2013 |
| Procare Training and Recruitment Ltd | Health & social care | 2021 |
| Procheckup Global Limited | Extraterritorial | 2020 |
| Procheckup Limited | Information & communication | 1999 |
| Proclean (Southern) Limited | Other services | 2011 |
| Procurement Solutions (South East) Limited | Professional & scientific | 2007 |
| Prodes Technology Services Ltd | Information & communication | 2015 |
| Products@Home Limited | Wholesale & retail | 2019 |
| Professional Beauty Services Ltd | Wholesale & retail | 2023 |
| Professional Living (Aylesbury) Limited | Real estate | 2021 |
| Professional Living Limited | Real estate | 2017 |
| Professional Placement (Southern) Ltd | Other services | 2019 |
| Professional Rental Solutions Limited | Real estate | 2014 |