| PK Hatton Developments Ltd | Hospitality | 2022 |
| PK Hufton Consultancy Limited | Professional & scientific | 2011 |
| PK786 Limited | Administrative & support | 2019 |
| PKB TV Limited | Information & communication | 2010 |
| PKC Investments Limited | Financial services | 2023 |
| PKC South West Limited | Construction | 2011 |
| PKD Consultants Limited | Professional & scientific | 2022 |
| PKD Property Limited | Real estate | 2026 |
| Pkelly Properties Limited | Households | 2026 |
| PKG Homes Ltd | Real estate | 2020 |
| PKR Services South West Ltd | Construction | 2025 |
| PL (EOT) Limited | Financial services | 2024 |
| PL Bath Ltd | Wholesale & retail | 2017 |
| PL Keynsham Sushi Ltd | Hospitality | 2022 |
| PL UK Design Limited | Construction | 2017 |
| PL UK Publishing Limited | Information & communication | 2003 |
| PL4TES 4 YOU Ltd | Manufacturing | 2024 |
| PL8 UK Ltd | Wholesale & retail | 2024 |
| PL9 Ltd | Wholesale & retail | 2026 |
| Place Based Investments Limited | Financial services | 2020 |
| Place by Design Limited | Professional & scientific | 2011 |
| Place of Change Ltd | Professional & scientific | 2026 |
| Place Studio Ltd | Professional & scientific | 2010 |
| Placeclose Residents Association Limited | Households | 1984 |
| Placespace Property Management Limited | Households | 1993 |
| Placidity Ltd | Information & communication | 2024 |
| Plan Financial Limited | Financial services | 2015 |
| Plan IT Stone Limited | Construction | 2013 |
| Plan Z Music Ltd | Extraterritorial | 2015 |
| Plan.It Financial Consulting Limited | Financial services | 2017 |
| Plane Decorators Limited | Construction | 2009 |
| Planet 1 Limited | Information & communication | 1996 |
| Planet 245 Limited | Arts & recreation | 2010 |
| Planet Charley Ltd | Wholesale & retail | 2026 |
| Planet Data Networks Limited | Information & communication | 1999 |
| Planet Earth Expeditions Ltd | Administrative & support | 2025 |
| Planet Food Consulting Ltd | Professional & scientific | 2011 |
| Planet House Productions Ltd | Information & communication | 2025 |
| Planet Line Limited | Wholesale & retail | 2004 |
| Planet Paints Ltd | Wholesale & retail | 2026 |
| Planet Peachy Ltd | Extraterritorial | 2011 |
| Planet Pet Films Limited | Information & communication | 2018 |
| Planet Properties Plus Ltd | Real estate | 2025 |
| Planglow Limited | Information & communication | 1986 |
| Planit Strategy Ltd | Professional & scientific | 2024 |
| Planjungle Ltd | Information & communication | 2019 |
| Planning and Development Consultancy Limited | Professional & scientific | 2016 |
| Planning Green Futures Limited | Professional & scientific | 2016 |
| Planning Ventures Ltd | Professional & scientific | 2013 |
| Plant Care Holdings Limited | Financial services | 2024 |
| Plant Care Limited | Administrative & support | 2022 |
| Plant Speed Limited | Transport & logistics | 2003 |
| Plant Work Limited | Professional & scientific | 2007 |
| Plant-Ex Ingredients Ltd | Other services | 2007 |
| Plantation Estate Management (Salcombe) Limited | Real estate | 2021 |
| Planted Limited | Hospitality | 2013 |
| Plantuguese Ltd | Hospitality | 2023 |
| Plantworx Limited | Professional & scientific | 2021 |
| Plas Brereton Ltd | Real estate | 2014 |
| Plas Talgarth Ltd | Real estate | 2017 |
| Plas TY Coch Limited | Real estate | 2016 |
| Plasma FAB Ltd | Manufacturing | 2025 |
| Plasma-Therm UK Ltd | Manufacturing | 2020 |
| Plaster Creative Communications Ltd | Arts & recreation | 2000 |
| Plastermaster SW Ltd | Construction | 2025 |
| Plasterwise Solutions Ltd | Construction | 2024 |
| Plastic ANT Software Ltd | Information & communication | 2006 |
| Plastic Elephant Ltd | Information & communication | 2023 |
| Plastic Recycling and Trading LP | | 2012 |
| Plastic Surgery by Jurga Pikturnaite Ltd | Health & social care | 2022 |
| Plastivan Limited | Wholesale & retail | 1994 |
| Platfform Enterprises Limited | Administrative & support | 2019 |
| Platform 1 Software Limited | Professional & scientific | 2012 |
| Platform 8 Recycling Ltd | Wholesale & retail | 2018 |
| Platform Impact Limited | Extraterritorial | 2013 |
| Platform Live Ltd | Arts & recreation | 2016 |
| Platform Scaffolding Bristol Ltd | Construction | 2019 |
| Platform Tech Ltd | Manufacturing | 2017 |
| Platform.Sh Limited | Information & communication | 2012 |
| Platinum Executive Travel (Bristol) Limited | Transport & logistics | 2015 |
| Platinum Golf Limited | Wholesale & retail | 2017 |
| Platinum Industrial Plant & Machinery UK Ltd | Wholesale & retail | 2018 |
| Platinum Lifts Ltd | Manufacturing | 2014 |
| Platinum Occupational Health Limited | Health & social care | 2018 |
| Platinum Pest Control Ltd | Administrative & support | 2021 |
| Platinum Petcare (South West) Limited | Other services | 2009 |
| Platinum Plus Cleaning Ltd | Administrative & support | 2025 |
| Platinum Property Services Southwest Ltd | Households | 2025 |
| Platinum Pursuits Limited | Construction | 2001 |
| Platinum Real Estate Limited | Real estate | 2021 |
| Platinum Valeting Centre Ltd | Wholesale & retail | 2018 |
| Platipus Limited | Professional & scientific | 2016 |
| Plato Hosting Limited | Information & communication | 2013 |
| Platonic Dreams Ltd | Information & communication | 2024 |
| Platonism M&A Limited | Real estate | 2024 |
| Platyplus Therapeutic & Support Services CIC | Health & social care | 2025 |
| Play and Prosper Ltd | Education | 2023 |
| Play England | Other services | 2011 |
| Play House Childcare Limited | Health & social care | 2015 |
| Play NOT Pause Ltd | Wholesale & retail | 2022 |