| Penmellyn Veterinary Group Limited | Extraterritorial | 2012 |
| Penn Cars Ltd | Wholesale & retail | 2022 |
| Penn Energy Canada UK Ltd | Energy | 2020 |
| Penn Gregory Recruitment Ltd | Administrative & support | 2025 |
| Penn Group Worldwide Ltd | Energy | 2020 |
| Penney Ventilation Limited | Construction | 2024 |
| Penntree Pallets Ltd | Manufacturing | 2008 |
| Penntree Products Limited | Manufacturing | 2008 |
| Pennvestment Limited | Real estate | 2023 |
| Penny Brohn UK Ltd | Extraterritorial | 2015 |
| Penny Close Management Company (Bristol) Limited | Real estate | 2022 |
| Penny Haus Limited | Hospitality | 2026 |
| Penny Lane Trustee Company Limited | Professional & scientific | 2018 |
| Penny Porter Limited | Health & social care | 2015 |
| Penny Properties Bristol Ltd | Real estate | 2020 |
| Penny Technology Limited | Information & communication | 2019 |
| Penny's Properties Limited | Construction | 2019 |
| PENNY4 Limited | Information & communication | 2016 |
| Pennymead Property Limited | Construction | 2023 |
| Pennywell Events Ltd | Arts & recreation | 2018 |
| Pennywell Homes Ltd | Construction | 2026 |
| Penpole Consulting Ltd | Information & communication | 2018 |
| Penpole Events Limited | Hospitality | 2020 |
| Penroe and King Ltd | Manufacturing | 2019 |
| Pensford Enterprises Limited | Professional & scientific | 2024 |
| Pensiga Ltd | Administrative & support | 2016 |
| Pension Matters Ltd | Financial services | 2009 |
| Pension PIG Ltd | Professional & scientific | 2022 |
| Pensior Limited | Information & communication | 2025 |
| Penta Events Ltd | Administrative & support | 2016 |
| Pentagon Construction (Bristol) Ltd | Construction | 2024 |
| Pentagon Developments (Bristol) Ltd | Real estate | 2026 |
| Pento Properties Limited | Real estate | 2022 |
| Pentowan Limited | Real estate | 2014 |
| Pentrich Properties Limited | Real estate | 2005 |
| Penuptra Ltd | Professional & scientific | 2011 |
| Penzance Maritime Holdings Limited | Real estate | 1996 |
| Peoay Ltd | Real estate | 2025 |
| People 1ST International Limited | Education | 2018 |
| People 1ST Limited | Education | 2025 |
| People Deliver Projects Ltd | Professional & scientific | 2007 |
| People for Research Ltd | Information & communication | 1999 |
| People Plus Places Limited | Professional & scientific | 2023 |
| People Thinking Limited | Professional & scientific | 2007 |
| People WE Know CIC | Wholesale & retail | 2026 |
| People's Power Collective Limited | Information & communication | 2010 |
| People's Republic of Stokes Croft Community Interest Company | Arts & recreation | 2009 |
| Peopleplus Group Limited | Education | 2006 |
| Peopleup Consulting Ltd | Administrative & support | 2017 |
| Pepe Bianco Ltd | Hospitality | 2015 |
| Pepe Rosa Limited | Hospitality | 2016 |
| Pepenero Mobile Ltd | Hospitality | 2018 |
| Pepepipo OLE Ltd | Manufacturing | 2016 |
| Peppa Optics Limited | Health & social care | 2024 |
| Peppaseed Ltd | Hospitality | 2025 |
| Peppe's Barber Shop Limited | Other services | 2013 |
| Pepper Advisory Limited | Professional & scientific | 2017 |
| Pepperbells Glamping Limited | Administrative & support | 2015 |
| Pepperjack Ltd. | Information & communication | 2014 |
| Pepperwick Group Limited | Hospitality | 2019 |
| PER & KOR Ltd. | Hospitality | 2017 |
| PER Electrical and Building Services Ltd | Construction | 2026 |
| Perception 2 Practice Ltd | Education | 2024 |
| Perception Consulting Services Ltd | Professional & scientific | 2006 |
| Perception Development Limited | Professional & scientific | 2018 |
| Perceptual Flexibility Limited | Education | 2007 |
| Perceptual Robotics Limited | Professional & scientific | 2016 |
| Perceptycs Limited | Other services | 2022 |
| Perch Event Hire Limited | Hospitality | 2019 |
| Perch Swansea Limited | Hospitality | 2023 |
| Percio Ltd | Financial services | 2022 |
| Percio Real Estate Ltd | Real estate | 2026 |
| Perciphi Limited | Administrative & support | 2024 |
| Percival House Management Company Limited | Households | 2003 |
| Percy J. Down Limited | Administrative & support | 1947 |
| Peregrine Accountants & Business Advisers Limited | Professional & scientific | 2009 |
| Peregrine Management Services Limited | Real estate | 2004 |
| Peregrine Services (Bristol) Ltd | Construction | 2019 |
| Perennial Wealth Ltd | Financial services | 2021 |
| Perennis Limited | Wholesale & retail | 1980 |
| Pereras Retail Limited | Wholesale & retail | 2024 |
| Perex Group Ltd | Wholesale & retail | 2024 |
| Perfect Body Doctor Ltd | Extraterritorial | 2020 |
| Perfect Clean Bristol and Bath Limited | Administrative & support | 2025 |
| Perfect Clean House Ltd | Administrative & support | 2025 |
| Perfect Cleaning Ltd | Administrative & support | 2025 |
| Perfect Crime Games Ltd | Information & communication | 2021 |
| Perfect Finish London Ltd | Extraterritorial | 2021 |
| Perfect Finishing Limited | Construction | 2026 |
| Perfect Gym Solutions Limited | Wholesale & retail | 2020 |
| Perfect Healtcare Ltd | Health & social care | 2019 |
| Perfect LET Ltd | Real estate | 2013 |
| Perfect Manors Ltd | Extraterritorial | 2007 |
| Perfect Nails Fishponds Ltd | Other services | 2024 |
| Perfect Pet Store Ltd | Wholesale & retail | 2026 |
| Perfect Plumbing & Heating Ltd | Construction | 2018 |
| Perfect Precision Ltd | Professional & scientific | 2011 |
| Perfect Ratio Ltd | Information & communication | 2012 |
| Perfect Standard Services Ltd | Administrative & support | 2025 |
| Perfection Aesthetics Ltd Ltd | Health & social care | 2015 |