| Power-Sprays Newco Ltd | Professional & scientific | 2013 |
| Powered Electrical Contractors Ltd | Administrative & support | 2013 |
| Powerforce Maintenance UK Limited | Manufacturing | 2022 |
| Powerhouse Projects Ltd | Financial services | 2022 |
| Powerite Contracting Limited | Construction | 1998 |
| Poweroy Environment Care Solutions Ltd | Water & waste | 2022 |
| Powerpick Limited | Wholesale & retail | 2025 |
| Powerplan Operations UK Ltd | Information & communication | 2018 |
| Powerstone Accountants Ltd | Professional & scientific | 2024 |
| Powersystems UK EOT Limited | Administrative & support | 2018 |
| Powersystems UK Ltd | Construction | 1980 |
| Powisland Ltd | Professional & scientific | 2014 |
| Powred Heating Components Limited | Wholesale & retail | 2003 |
| Poyiatzis Pathology Services Ltd | Health & social care | 2015 |
| Poyito Consulting Limited | Information & communication | 2005 |
| PP Automotive Bristol Ltd | Wholesale & retail | 2022 |
| PP Comms Ltd | Professional & scientific | 2006 |
| PP Solutions (Bristol) Ltd | Construction | 2017 |
| PP Tech Solutions Limited | Information & communication | 2013 |
| PP3 Solutions Limited | Financial services | 2012 |
| Ppazarangu Ltd | Health & social care | 2024 |
| PPF Investment Holdings 1 Limited | Financial services | 2019 |
| PPF Real Estate Nominee 1 Limited | Financial services | 2012 |
| PPF Real Estate Nominee 2 Limited | Financial services | 2012 |
| Pphb Limited | Construction | 2008 |
| Ppipl UK Limited | Information & communication | 2005 |
| Ppli Ltd | Real estate | 2025 |
| Ppmd Building Ltd | Construction | 2024 |
| Ppmi UK Ltd | Professional & scientific | 2019 |
| PPP Nominee Directors Limited | Administrative & support | 2007 |
| PPS Building Services Ltd | Construction | 2016 |
| PPS Maintenance & Renovations Limited | Construction | 2023 |
| PR COX & Sons (Builders) Ltd | Construction | 2015 |
| PR Fitness Limited | Arts & recreation | 2021 |
| PR Football Ltd | Information & communication | 2026 |
| PR Home Invest Ltd | Real estate | 2021 |
| PR Prose Limited | Professional & scientific | 2019 |
| PR Recycling Ltd | Transport & logistics | 2012 |
| Praa Cove Property Management Ltd | Households | 2024 |
| Praachurya Ltd | Real estate | 2024 |
| Practical Lighting Ltd | Information & communication | 2022 |
| Practical Probate Ltd | Professional & scientific | 2008 |
| Practically Perfect Mums Limited | Information & communication | 2011 |
| Practice and Development Ltd | Health & social care | 2024 |
| Practice Plus Group Hospitals Limited | Health & social care | 1997 |
| Practiceweb Limited | Information & communication | 1998 |
| Practicing Love Acceptance and Care for Ethnicities Ltd | Public administration | 2022 |
| Praecursor Ltd | Extraterritorial | 2015 |
| Praemar Limited | Financial services | 2018 |
| Praesidium Employment Network Limited | Professional & scientific | 1992 |
| Praetorian Connections Ltd | Administrative & support | 2010 |
| Pragda Ltd | Extraterritorial | 2012 |
| Pragmattic Property Services Ltd | Construction | 2026 |
| Pragmattic Services Limited | Professional & scientific | 2019 |
| Pragnesh Soni Ltd | Wholesale & retail | 2023 |
| Pranati Pareek Ltd | Professional & scientific | 2026 |
| Prancing Horse Property Investments (SW) Ltd | Real estate | 2026 |
| Prangell Pubs Ltd | Hospitality | 2017 |
| Prangle and Carey Limited | Wholesale & retail | 1965 |
| Prasad Vision Academy Limited | Education | 2025 |
| Prasha Ltd | Wholesale & retail | 2024 |
| Prato Restaurant Limited | Hospitality | 2025 |
| Prav Property Services Ltd | Real estate | 2018 |
| Praxis Research Limited | Professional & scientific | 2020 |
| Praxis VII Limited | Real estate | 2024 |
| Prdh Limited | Other services | 2010 |
| Prdx Ltd | Information & communication | 2016 |
| PRE and Perinatal Studies Ltd | Education | 2024 |
| PRE Pitched Ltd | Hospitality | 2022 |
| Precedence Global Limited | Administrative & support | 2003 |
| Precept Software Limited | Information & communication | 1999 |
| Precious Consulting Services Ltd | Professional & scientific | 2026 |
| Preciousbambini Limited | Professional & scientific | 2023 |
| Precise Bookkeeping Ltd | Professional & scientific | 2025 |
| Precise Building Services South West Limited | Construction | 2012 |
| Precise Delivery Limited | Transport & logistics | 2026 |
| Precise Electrical Limited | Construction | 2026 |
| Precise Plumbing & Heating Ltd | Construction | 2015 |
| Precision Access Scaffolding Ltd | Construction | 2016 |
| Precision Accountancy & Bookkeeping Ltd | Professional & scientific | 2024 |
| Precision Air Conditioning Ltd | Manufacturing | 2012 |
| Precision Alloys Limited | Manufacturing | 2012 |
| Precision Asset Group Limited | Professional & scientific | 2025 |
| Precision Broking Limited | Financial services | 2009 |
| Precision Building Projects Limited | Construction | 2025 |
| Precision Craft Software Ltd | Information & communication | 2019 |
| Precision Decorators Ltd | Construction | 2010 |
| Precision Developments SW Ltd | Real estate | 2026 |
| Precision Drylining and Plastering Ltd | Construction | 2018 |
| Precision Elevated Ltd | Construction | 2024 |
| Precision Esthetiques Ltd | Health & social care | 2022 |
| Precision Facade Systems Ltd | Construction | 2018 |
| Precision Flooring Specialists Ltd | Construction | 2026 |
| Precision Forge Ltd | Wholesale & retail | 2025 |
| Precision Glazing Services Ltd | Construction | 2025 |
| Precision Graphics Limited | Information & communication | 1996 |
| Precision Group South West Ltd | Construction | 2023 |
| Precision Health (UK) Ltd | Wholesale & retail | 2013 |
| Precision Logic Limited | Information & communication | 2012 |
| Precision Networks Ltd | Information & communication | 2023 |