| PK Property Rent Bournemouth Ltd | Real estate | 2024 |
| PKE Health Limited | Health & social care | 2021 |
| Pkgmc Limited | Information & communication | 2018 |
| PKH Property Rent Ltd | Real estate | 2025 |
| PKS Logistics Ltd | Transport & logistics | 2025 |
| PKS Properties Ltd | Real estate | 2016 |
| Places Limited | Real estate | 2004 |
| Planet Burger Limited | Hospitality | 2025 |
| Planet Numbers Limited | Extraterritorial | 2025 |
| Planet Spandex Ltd | Information & communication | 2005 |
| Planet Staffing Limited | Administrative & support | 2015 |
| Planet Telecom Ltd | Information & communication | 1999 |
| Planning Solutions CTP Limited | Professional & scientific | 2009 |
| Plansters Ltd | Information & communication | 2023 |
| Plantagenet CIC | Administrative & support | 2024 |
| Plantmix Foods Limited | Manufacturing | 2026 |
| Plants and Minds | Agriculture & fishing | 1989 |
| Plasmind Innovation Ltd | Manufacturing | 2025 |
| Plastering JS Ltd | Construction | 2026 |
| Plateline Limited | Transport & logistics | 2010 |
| Platform Industries Limited | Financial services | 2023 |
| Platform Strategic Capital Limited | Financial services | 2018 |
| Platinum Build South West Ltd | Construction | 2020 |
| Platinum Buildup Ltd | Other services | 2017 |
| Platinum Components Limited | Information & communication | 2001 |
| Platinum Corporate (South West) Limited | Information & communication | 2012 |
| Platinum GAS and Heating Limited | Construction | 2019 |
| Platinum Marine Sales Ltd | Wholesale & retail | 2010 |
| Platinum Path Ltd | Professional & scientific | 2022 |
| Platinum Pillows Ltd | Real estate | 2016 |
| Platinum Pillows Management Services Ltd | Real estate | 2018 |
| Platinum Prestige Ltd | Real estate | 2026 |
| Platinum Properties & Investments Ltd | Real estate | 2016 |
| Platinum Recruitment Consultancy Limited | Administrative & support | 2014 |
| Platinum Recruitment Solutions Ltd | Health & social care | 2019 |
| Platinum Skies Crawley Ltd | Real estate | 2021 |
| Platinum Skies Lyngford House LLP | | 2016 |
| Platinum Skies Old Manor Management Company Ltd | Real estate | 2014 |
| Platinum Skies Reading Ltd | Real estate | 2018 |
| Platinum Skies Sherborne Hotel Limited | Real estate | 2021 |
| Plato Video Limited | Information & communication | 2017 |
| Plattinum Vending Ltd | Wholesale & retail | 2024 |
| Playerthree Limited | Information & communication | 2001 |
| Playfair Homes Limited | Real estate | 2019 |
| Playtime Balloons Ltd | Wholesale & retail | 2018 |
| Playtime Plaza Limited | Wholesale & retail | 2003 |
| Plazaward Limited | Real estate | 1982 |
| PLD Design & Management Ltd | Construction | 2017 |
| PLD Syndicate 1708 Ltd | Construction | 2018 |
| PLD Syndicate 1764 Ltd | Construction | 2017 |
| Pleasant Paradise Properties Ltd | Real estate | 2025 |
| Plex Energy Solutions Limited | Construction | 2018 |
| Ploskonsky Ltd | Construction | 2018 |
| Plug in Solar Solutions Ltd | Energy | 2026 |
| Plumb Safe Dorset Ltd | Construction | 2018 |
| Plumbco National Ltd | Construction | 2026 |
| Plumber Court Ltd | Construction | 2020 |
| Plump Clinic Ltd | Other services | 2025 |
| Pluro Education Limited | Education | 2025 |
| Plus 20 Seconds Ltd | Wholesale & retail | 2024 |
| Plus Minus Services Ltd | Construction | 2008 |
| Plusify Limited | Professional & scientific | 2017 |
| Plutus Crypto Consulting Ltd | Information & communication | 2021 |
| PM Dawn Ltd | Professional & scientific | 2017 |
| PM Language Services Limited | Professional & scientific | 2018 |
| PM Painting Services Ltd | Other services | 2019 |
| PM Surveying Solutions Ltd | Professional & scientific | 2017 |
| PMC Paintworks Limited | Wholesale & retail | 2017 |
| PMV Group Limited | Construction | 2026 |
| PN Developments Limited | Construction | 2015 |
| PN Physiotherapy & Massage Limited | Health & social care | 2023 |
| PNH Stores Limited | Wholesale & retail | 2015 |
| PNJ Store Limited | Wholesale & retail | 2017 |
| PNP Property Solutions Ltd | Real estate | 2025 |
| Pocket Wisdom Limited | Professional & scientific | 2022 |
| Podas Properties Limited | Real estate | 2025 |
| Podium Bath Limited | Professional & scientific | 2021 |
| Podium Bedford Limited | Professional & scientific | 2021 |
| Podium Belsyre Limited | Professional & scientific | 2021 |
| Podium Carlisle Limited | Professional & scientific | 2021 |
| Podium Clifton Limited | Professional & scientific | 2021 |
| Podium Eastpoint Limited | Professional & scientific | 2021 |
| Podium George Limited | Professional & scientific | 2025 |
| Podium Marketing Ltd | Water & waste | 2017 |
| Podium Padel Limited | Arts & recreation | 2024 |
| Podium Percy Limited | Professional & scientific | 2021 |
| Podium Poland Limited | Professional & scientific | 2021 |
| Podium Prama Limited | Professional & scientific | 2021 |
| Podium Space Limited | Administrative & support | 2020 |
| Podlets Limited | Hospitality | 2025 |
| Podmint Studios Limited | Information & communication | 2025 |
| Podski Logistic Ltd | Transport & logistics | 2024 |
| Point One Marketing Ltd | Other services | 2012 |
| Pokesdown Community Primary School | Education | 2013 |
| Poko Limited | Wholesale & retail | 2016 |
| Polaris Motors Ltd | Wholesale & retail | 2026 |
| Polarity Electrical Limited | Construction | 2008 |
| Pole Position Cleaning Limited | Administrative & support | 2011 |
| Pole Position Exterior Cleaning Ltd | Financial services | 2023 |
| Polestar Group Ltd | Professional & scientific | 2013 |