| Premier Paper UK Investment Limited | Professional & scientific | 2022 |
| Premier Search and Selection Limited | Administrative & support | 2011 |
| Premier SL Property Limited | Real estate | 2023 |
| Premier Yarns Limited | Wholesale & retail | 2021 |
| Prems Property Investing PVT Ltd | Real estate | 2025 |
| Prentice Investments Limited | Real estate | 2019 |
| Prescot Ventures Limited | Administrative & support | 2009 |
| Presentability Ltd | Professional & scientific | 2026 |
| Presentation Cards & Gifts Limited | Wholesale & retail | 2014 |
| Press + Forge Limited | Professional & scientific | 2012 |
| Prestige Car Warehouse Ltd | Wholesale & retail | 2022 |
| Preston Ireland Bowker Limited | Extraterritorial | 1983 |
| Pretty & Prestige Lashes Limited | Other services | 2023 |
| Prevention Journeys Ltd | Professional & scientific | 2022 |
| Priddysyard Limited | Real estate | 2025 |
| Priestley & Cockett Limited | Extraterritorial | 1948 |
| Prima Beauty Ltd | Other services | 2017 |
| Primary Care Ltd | Health & social care | 2009 |
| Primary Care Solutions (UK) Ltd | Health & social care | 2003 |
| Primary Healthcare Limited | Health & social care | 2009 |
| Primary Wealth Limited | Financial services | 2016 |
| Prime Floor Group Ltd | Wholesale & retail | 2024 |
| Prime Catch Limited | Hospitality | 2018 |
| Prime Education Group Ltd | Education | 2022 |
| Prime Floor Cover Ltd | Wholesale & retail | 2025 |
| Prime Property Sutton Coldfield Ltd | Real estate | 2023 |
| Prime Time Haulage Ltd | Transport & logistics | 2021 |
| Primelife Properties Limited | Real estate | 2019 |
| Primetime Estates Ltd | Real estate | 2024 |
| Primley Consultancy Limited | Professional & scientific | 2011 |
| Primus Financial Ltd | Financial services | 2016 |
| Principle Pharma Services Ltd. | Wholesale & retail | 2004 |
| Print and Digital of Lichfield Holdings Limited | Financial services | 2015 |
| Print by S.I Ltd | Manufacturing | 2025 |
| Printeq Limited | Administrative & support | 1997 |
| Prism Av/Lx Limited | Professional & scientific | 2024 |
| Pristine Space Solutions Limited | Administrative & support | 2025 |
| Priva Properties Limited | Real estate | 2025 |
| Priya Indian Balti Ltd | Hospitality | 2025 |
| Priya Indian Restaurant Ltd | Hospitality | 2025 |
| Priyaa Indian Restaurant Ltd | Hospitality | 2026 |
| Priyanka Limited | Real estate | 2005 |
| Pro Music Tuition (Sutton) Limited | Education | 2020 |
| Pro Music Tuition (Wylde Green) Limited | Education | 2026 |
| Pro Paper & Board Limited | Wholesale & retail | 2004 |
| Pro Scaff Scaffolding Limited | Construction | 2017 |
| Pro Sports Management Limited | Arts & recreation | 2024 |
| Pro Stream Host Limited | Information & communication | 2026 |
| Pro-Bullet Ltd | Transport & logistics | 2023 |
| Pro-Des Consultancy Ltd | Professional & scientific | 2011 |
| Pro-Elegance Ltd | Wholesale & retail | 2017 |
| Pro-Gate Limited | Construction | 2015 |
| Pro-Mil Engineering Limited | Manufacturing | 1980 |
| Process Safety Management Limited | Professional & scientific | 1991 |
| Professional Administrative and Secretarial Services (Pass) Limited | Professional & scientific | 2006 |
| Professional Golfers' Association Limited(The) | Other services | 1984 |
| Professional Martial Arts Schools Limited | Arts & recreation | 2001 |
| Professional Security Installations Ltd | Administrative & support | 2017 |
| Professional Training Services Limited | Education | 1990 |
| Professional Ventures Limited | Construction | 2015 |
| Profile Pipework Insulations (Midlands) Limited | Construction | 2019 |
| Profurn (Midlands) Ltd | Administrative & support | 2022 |
| Progress Fabrications Limited | Manufacturing | 2001 |
| Progressive Property Solutions Ltd | Real estate | 2021 |
| Proj BUN Trade Ltd | Hospitality | 2026 |
| Project 507 CIC | Health & social care | 2012 |
| Project EV Ltd | Extraterritorial | 2023 |
| Project Miller Ltd | Professional & scientific | 2022 |
| Project Overview Consultancy Ltd | Construction | 2019 |
| Project-Laboratory Limited | Professional & scientific | 2022 |
| Projectmarch Limited | Wholesale & retail | 2019 |
| Projex Smart Limited | Professional & scientific | 2023 |
| Projicon Limited | Information & communication | 2014 |
| Projjex Limited | Construction | 2018 |
| Prola Limited | Wholesale & retail | 2009 |
| Prola Properties Limited | Real estate | 2019 |
| Promerx Ltd | Professional & scientific | 2025 |
| Promo Plus Limited | Administrative & support | 1995 |
| Pronut Limited | Manufacturing | 2018 |
| Propack GB Limited | Manufacturing | 2007 |
| Properties Made Simple Ltd | Real estate | 2025 |
| Property and New Beginnings UK CIC | Administrative & support | 2024 |
| Property ASK Limited | Real estate | 2024 |
| Property Beat Ltd | Real estate | 2017 |
| Property Land Projects Limited | Real estate | 2000 |
| Property Line UP Limited | Real estate | 2025 |
| Property West Midlands Limited | Real estate | 2013 |
| Property.Sorted Ltd | Real estate | 2026 |
| Propertybase Construction Ltd | Construction | 2015 |
| Propper Patolla Ltd | Wholesale & retail | 2023 |
| Prosco Ltd | Information & communication | 2011 |
| Proscom Limited | Information & communication | 2008 |
| Protect Environmental Services Limited | Professional & scientific | 2018 |
| Provalio Limited | Information & communication | 2026 |
| Provenance Flavours Limited | Manufacturing | 2018 |
| Provest Financial Solutions LLP | | 2009 |
| Providence Property Partners Limited | Real estate | 2022 |
| Provimedics Limited | Health & social care | 2023 |
| PS Business Support Limited | Professional & scientific | 2022 |
| PS Consulting Group Ltd | Administrative & support | 2015 |