| Pinkneys Services Limited | Professional & scientific | 2026 |
| Pinkshades Ltd | Professional & scientific | 2012 |
| Pinn Dental Practice Ltd | Health & social care | 2009 |
| Pinnacle Administration Limited | Administrative & support | 2024 |
| Pinnacle Commercial Ltd | Real estate | 2025 |
| Pinnacle Link Estates Ltd | Real estate | 2024 |
| Pinnacle Projects Developments Ltd | Construction | 2025 |
| Pinnacle QA Ltd | Information & communication | 2022 |
| Pinnacle Taxis (Lutterworth) Ltd | Transport & logistics | 2015 |
| Pinnacle Trade UK Ltd | Wholesale & retail | 2015 |
| Pinnacle Warranties Limited | Wholesale & retail | 2023 |
| Pinnaclewave Limited | Wholesale & retail | 2025 |
| Pinpoint Networks Ltd | Information & communication | 2009 |
| Pintian Ltd | Wholesale & retail | 2026 |
| Pinwheel PR Ltd | Professional & scientific | 2018 |
| Piotto & Piotto Ltd | Hospitality | 2023 |
| Piper Properties Sourced Ltd | Real estate | 2022 |
| Pipes and Valves Ltd | Wholesale & retail | 2005 |
| Piping Engineering Services Limited | Professional & scientific | 2006 |
| Pird Limited | Administrative & support | 2017 |
| Pirtek (Watford) Limited | Other services | 1995 |
| Pitstop Legal Limited | Administrative & support | 2021 |
| Pixaplay Ltd | Information & communication | 2026 |
| Pixelshaper Ltd | Information & communication | 2023 |
| Pixie POD Promotions Limited | Professional & scientific | 2002 |
| Pixol Ltd | Transport & logistics | 2024 |
| Pixybyte Ltd | Professional & scientific | 2024 |
| Pizza Fresco 2018 Ltd | Hospitality | 2018 |
| Pizza Pescara Limited | Hospitality | 2015 |
| Pizzaometry Limited | Hospitality | 2024 |
| PJ Carter Construction Limited | Construction | 2016 |
| PJB Innovation Ltd | Information & communication | 2016 |
| PJP Investment Group Ltd | Real estate | 2024 |
| PJP27 Limited | Real estate | 2025 |
| PK Shopfitters Ltd | Construction | 2019 |
| Pk-Sqa Consulting Ltd | Information & communication | 2013 |
| PK1 Property and Development Limited | Real estate | 2022 |
| PKH2 Properties Limited | Real estate | 2017 |
| PKL Services Ltd | Transport & logistics | 2019 |
| Plame Ltd | Information & communication | 2015 |
| PLAN4YOU Ltd | Financial services | 2016 |
| Planex Ltd | Construction | 2024 |
| Planners ETC Ltd | Wholesale & retail | 2018 |
| Plant Based Digital Ltd | Professional & scientific | 2020 |
| Planwise Ltd | Information & communication | 2022 |
| Plaster Pepe Ltd | Construction | 2019 |
| Plastic-Co Direct Ltd | Manufacturing | 2024 |
| Platelab Ltd | Wholesale & retail | 2025 |
| Platemark Limited | Households | 1976 |
| Platform Twenty Four Limited | Professional & scientific | 2023 |
| Platinum Wash to YOU Ltd | Wholesale & retail | 2022 |
| Platinum End-To-End Property Care Ltd | Households | 2025 |
| Platinum Relocation Solutions Ltd | Hospitality | 2021 |
| Platinum Room Rentals Ltd | Real estate | 2025 |
| Platocode Solutions Ltd | Information & communication | 2025 |
| Platypus Games Ltd | Information & communication | 2023 |
| Player First FA Limited | Arts & recreation | 2021 |
| Playgolf Group Ltd | Hospitality | 2012 |
| Playgolf Management Limited | Arts & recreation | 2013 |
| Playinnovation Limited | Manufacturing | 2010 |
| Playlistn Ltd | Information & communication | 2024 |
| Playmaker Football Ltd | Education | 2023 |
| PLB Recruitment Ltd | Other services | 2023 |
| Plentiful Energy Ltd | Energy | 2019 |
| Plesu Construction Ltd | Construction | 2015 |
| Plexra Limited | Information & communication | 2021 |
| Pliris Healthcare UK Ltd | Wholesale & retail | 2019 |
| PLM Central Ltd | Information & communication | 2016 |
| Plschcontractor Ltd | Construction | 2024 |
| Plum Training Limited | Education | 2013 |
| Plumb Tools Direct Limited | Wholesale & retail | 2011 |
| Plumbing Essentials Limited | Construction | 2023 |
| Plumbmatrix Ltd | Construction | 2010 |
| PLUMBPLUS1UK Ltd | Construction | 2023 |
| PLUS91 Limited | Hospitality | 2025 |
| Pluskin Limited | Construction | 1989 |
| Plusw Ltd | Hospitality | 2019 |
| Pluto Plumbers Limited | Other services | 2025 |
| Plutus Associates Limited | Information & communication | 2014 |
| Plutus Brand Distribution Company Ltd | Wholesale & retail | 2015 |
| Plutus Fashions Ltd | Wholesale & retail | 2025 |
| PM Consult Ltd | Health & social care | 2012 |
| PM Data Limited | Information & communication | 2023 |
| PM Electrical Installation Ltd | Construction | 2022 |
| PMB Fruit (2) Limited | Wholesale & retail | 1990 |
| Pmba Services Limited | Administrative & support | 2016 |
| PMC Legal Limited | Professional & scientific | 2000 |
| PMD Consulting (UK) LLP | | 2012 |
| PMD Healthcare Services Limited | Health & social care | 2022 |
| PMD Property Services Limited | Real estate | 2022 |
| PMD Ventures Limited | Wholesale & retail | 2004 |
| PMD Ventures Services Limited | Wholesale & retail | 2015 |
| Pmdcm Limited | Construction | 2016 |
| PMK Joinery Ltd | Construction | 2015 |
| PMK Manufacturing Ltd | Manufacturing | 2019 |
| PMM Automoto Ltd | Wholesale & retail | 2026 |
| PMO Limited | Administrative & support | 1999 |
| PMR 1 Limited | Real estate | 2020 |
| PMR 2 Limited | Real estate | 2021 |
| Pnaa Partners Ltd | Wholesale & retail | 2025 |