| Pedn LIS Ltd | Information & communication | 1968 |
| Peel Associates Limited | Information & communication | 2019 |
| Peel Foods Limited | Hospitality | 2024 |
| Peep a Bump 4D Ltd | Health & social care | 2022 |
| Pegasus Close Management Company Limited | Households | 1998 |
| Pegasus Staff Services Limited | Administrative & support | 2003 |
| Pegg 3 Ltd | Hospitality | 2026 |
| Peif II (Corelink) UK 1 Limited | Financial services | 2017 |
| Peif II (Corelink) UK 2 Limited | Financial services | 2017 |
| Peif II (Corelink) UK 3 Limited | Financial services | 2017 |
| Peif II (Corelink) UK 4 Limited | Financial services | 2017 |
| Pekca Ltd | Wholesale & retail | 2025 |
| Peking House Spondon Ltd | Hospitality | 2026 |
| Pektron CM Limited | Manufacturing | 2016 |
| Pektron EV Limited | Manufacturing | 2013 |
| Pektron Group Limited | Manufacturing | 1964 |
| Pektron Lighting Ltd | Manufacturing | 2020 |
| Pektron OH Limited | Manufacturing | 2020 |
| Pektron PLC | Manufacturing | 1980 |
| Pektron SEV Limited | Manufacturing | 2008 |
| Pelagic Arts Limited | Other services | 2014 |
| Pelham Mews (Nottingham) Limited | Households | 1977 |
| Pembroke Chase Management Company Limited | Households | 2025 |
| Pembwhey (Farnham) Limited | Extraterritorial | 2001 |
| Pemo Digital Ltd | Information & communication | 2022 |
| Penderion Investments Limited | Professional & scientific | 2022 |
| Pendyne Ltd | Administrative & support | 2007 |
| Pendyne Property Limited | Real estate | 2018 |
| Penek Transport Ltd | Transport & logistics | 2022 |
| Penguin PR Ltd | Professional & scientific | 2012 |
| Penhaul Investments Limited | Financial services | 2025 |
| Penjween Limited | Administrative & support | 2020 |
| Penmarth Consulting Limited | Information & communication | 2015 |
| Penmarth Properties Limited | Real estate | 2022 |
| Penn Creative Limited | Information & communication | 2011 |
| Penn Engineered Solutions Limited | Professional & scientific | 2016 |
| Penn West Properties Ltd | Real estate | 2017 |
| Pennine Healthcare Limited | Extraterritorial | 1985 |
| Pennine Trustee Company Limited | Professional & scientific | 2020 |
| Pennline Limited | Wholesale & retail | 1981 |
| Penny Estates Limited | Construction | 2018 |
| Penny Hayler Psychology Ltd | Health & social care | 2017 |
| Pennyluc Ltd | Real estate | 2023 |
| Pentagon Construction Group Limited | Construction | 2024 |
| Pentagon Investments Limited | Financial services | 1962 |
| Pentagon Vehicle Rentals Limited | Wholesale & retail | 1984 |
| Pentaprism Limited | Information & communication | 2012 |
| Pentaxia Ltd | Manufacturing | 2008 |
| Pentaxia Research Limited | Professional & scientific | 2013 |
| Penthorpe Limited | Wholesale & retail | 1995 |
| Penultimate Media Limited | Information & communication | 2014 |
| Penya Cosmetics Ltd | Wholesale & retail | 2025 |
| Peony House Limited | Hospitality | 2024 |
| Peony House Midlands Limited | Hospitality | 2026 |
| People First - HR Solutions Ltd | Professional & scientific | 2016 |
| People of Print Ltd | Information & communication | 2013 |
| People of Print Store Ltd | Wholesale & retail | 2025 |
| People Xpertise Consultancy Limited | Information & communication | 2013 |
| PEP Housing CIC | Hospitality | 2020 |
| Pepitos 1 Ltd | Hospitality | 2023 |
| Pepitos 2 Limited | Hospitality | 2016 |
| Pepper Holdings (Derby) Limited | Financial services | 2023 |
| Pepper Joinery Limited | Extraterritorial | 2022 |
| Pepperclub Ltd | Wholesale & retail | 2026 |
| Pepperhed Limited | Other services | 2012 |
| Peppermill Antiques Limited | Wholesale & retail | 2001 |
| Peppermill Interiors Limited | Extraterritorial | 2016 |
| Pepperozy Limited | Wholesale & retail | 2025 |
| Perfect Moment Films Ltd | Information & communication | 2010 |
| Perfect Pets Ltd | Professional & scientific | 2023 |
| Perfect Plastering Ltd | Construction | 2015 |
| Perfect Touch Performance Limited | Wholesale & retail | 2011 |
| Perfect TOW Mobile Services Ltd | Wholesale & retail | 2019 |
| Perfect Web Solutions Ltd | Information & communication | 2021 |
| Perfectplace Limited | Administrative & support | 1999 |
| Performance Car Buyers Limited | Extraterritorial | 2018 |
| Performance HQ Ltd | Wholesale & retail | 2025 |
| Performance Impact Profit Ltd | Professional & scientific | 2018 |
| Performance Metrics Limited | Information & communication | 2010 |
| Performance Prestige Limited | Wholesale & retail | 2018 |
| Pergal Properties Limited | Real estate | 2025 |
| Peri Peri Cabin Ltd | Hospitality | 2026 |
| Periculum Solutions Limited | Professional & scientific | 2018 |
| Perkins Associates (U.K.) Ltd | Manufacturing | 1995 |
| Perkins Yard Services Limited | Real estate | 2025 |
| Perkshole Aroma Ltd | Hospitality | 2023 |
| Perm IT Consultancy Ltd | Information & communication | 2020 |
| Perpentina Ltd | Health & social care | 2024 |
| Perpetual Civil Design Limited | Professional & scientific | 2024 |
| Perplex Ltd | Information & communication | 2018 |
| Perrins Properties Ltd | Real estate | 2019 |
| Perrott Realisations Limited | Financial services | 2015 |
| Perrys Build and Design Limited | Construction | 2024 |
| Perrys Builders Birmingham Limited | Construction | 2017 |
| Personal Shopping by Charlie Ltd | Wholesale & retail | 2025 |
| Personal Touch Integrated Support Community Interest Company | Education | 2026 |
| Personalized Care Plus Ltd | Administrative & support | 2020 |
| Personnel Pro Limited | Administrative & support | 2017 |
| Perspective Property (Newark) Ltd | Real estate | 2022 |
| Perspective Property Developments Ltd | Real estate | 2024 |