| Platinum Purple Limited | Arts & recreation | 2018 |
| Platinum Quality Ltd | Households | 2022 |
| Platinum Roofing & Building Limited | Construction | 2019 |
| Platinum Travel & Tours Global Ltd | Professional & scientific | 2025 |
| Platinum Travel London Ltd | Hospitality | 2014 |
| Platonic Group Limited | Professional & scientific | 2017 |
| Plav Limited | Professional & scientific | 2023 |
| Play Solutions Ltd | Wholesale & retail | 2025 |
| Playaz Car Rental Ltd | Administrative & support | 2026 |
| Playco LLP | | 2023 |
| Playerprofile.Com Ltd | Information & communication | 2026 |
| Playground Property Holds Limited | Real estate | 2021 |
| Playlearngrow Limited | Education | 2023 |
| Playmaker Music Group Ltd | Arts & recreation | 2023 |
| Playmora Ltd | Information & communication | 2025 |
| Plaza Autos Care Limited | Wholesale & retail | 2008 |
| Plaza Removals and Storage Ltd | Transport & logistics | 2025 |
| Pleasant Crescent Ltd | Real estate | 2022 |
| Pleiades Ltd | Professional & scientific | 2023 |
| Plethora Investments UK Ltd | Real estate | 2021 |
| Plexis Solutions Ltd | Information & communication | 2016 |
| Plexora Consulting Limited | Information & communication | 2025 |
| Plexsys Networks Limited | Professional & scientific | 2010 |
| PLG Studio Ltd | Administrative & support | 2016 |
| PLG UK Consultancy Ltd | Professional & scientific | 2021 |
| Plidd Limited | Wholesale & retail | 2018 |
| Plimview Properties Limited | Real estate | 2024 |
| Ploutos Investment Solutions Limited | Real estate | 2020 |
| PLR Real Estate Limited | Real estate | 2020 |
| Plucked Ltd | Information & communication | 2019 |
| Plug N Play Ltd | Wholesale & retail | 2026 |
| Plumbie Ltd | Wholesale & retail | 2024 |
| Plumtone Property Management Limited | Real estate | 2002 |
| Plus Accounting 2017 Ltd | Professional & scientific | 2016 |
| Plus Assets Ltd | Real estate | 2023 |
| Plus Marketing (UK) Ltd | Wholesale & retail | 2005 |
| Plusautomate Ltd | Information & communication | 2019 |
| Plusgrove Limited | Real estate | 2015 |
| Pluto Consultancy Ltd | Professional & scientific | 2011 |
| Pluto Project Management Limited | Professional & scientific | 2014 |
| Plutous Limited | Real estate | 2019 |
| Plutus (RYE) Limited | Real estate | 2016 |
| Plutus Consulting Limited | Professional & scientific | 2015 |
| Plutus Estates (Braintree) Limited | Real estate | 2016 |
| Plutus Estates Limited | Real estate | 2014 |
| Plutus Global Ltd | Real estate | 2019 |
| Plutus Recruitment & Admin Ltd | Administrative & support | 2023 |
| Plutus Services Ltd | Information & communication | 2019 |
| Plxpro Ltd | Real estate | 2023 |
| Plyo.Ai Limited | Information & communication | 2024 |
| PM & a Properties Limited | Real estate | 2025 |
| PM CM Five Ltd | Professional & scientific | 2025 |
| PM Direct Distributor Ltd | Wholesale & retail | 2025 |
| PM Hold Co Limited | Financial services | 2024 |
| PM Interior Construction Limited | Construction | 2020 |
| PM Master Limited | Administrative & support | 2024 |
| PM Stores Limited | Wholesale & retail | 2024 |
| PM4U Ltd | Real estate | 2025 |
| Pmarvadi Ltd | Wholesale & retail | 2025 |
| PMB QS Services Limited | Construction | 2020 |
| Pmbalint Limited | Construction | 2020 |
| PMD Plumbing Experts Ltd | Construction | 2017 |
| PMF Property Limited | Real estate | 2016 |
| PMG Finance Limited | Wholesale & retail | 2025 |
| Pmgstore Limited | Wholesale & retail | 2024 |
| Pmjp Ltd | Real estate | 2022 |
| Pmjp Ventures Limited | Financial services | 2026 |
| PMP Mart Limited | Wholesale & retail | 2026 |
| PMR Cleaning Services Limited | Administrative & support | 2018 |
| PMS Consultancy Limited | Wholesale & retail | 2020 |
| PMV Commercials Limited | Wholesale & retail | 2013 |
| PMV Corporation Limited | Wholesale & retail | 2015 |
| PMV Limited | Manufacturing | 2014 |
| PMV Services Ltd | Real estate | 2015 |
| PMY London Limited | Professional & scientific | 2022 |
| PN IT Consultancy Ltd | Information & communication | 2012 |
| PN Somai Ltd | Construction | 2020 |
| PN Studio Ltd | Professional & scientific | 2024 |
| PNA Care (Neville House) Ltd | Real estate | 2023 |
| PNA Care Group Ltd | Financial services | 2023 |
| PNA Care Ltd | Health & social care | 2022 |
| PND Express Limited | Extraterritorial | 2016 |
| PNK Holding Limited | Real estate | 2026 |
| PNK International Ltd | Wholesale & retail | 2024 |
| PNL Holdings Limited | Financial services | 2017 |
| PNL Property Limited | Real estate | 2016 |
| PNM Accountants Ltd | Professional & scientific | 2013 |
| PNM Trading Ltd | Wholesale & retail | 2024 |
| PNP Investments Ltd | Real estate | 2021 |
| PNP Logistic Limited | Transport & logistics | 2020 |
| PNR PVT Ltd | Wholesale & retail | 2025 |
| Pnrd Ltd | Professional & scientific | 2024 |
| PNS Consultants Limited | Professional & scientific | 2024 |
| PNS Investments Limited | Real estate | 2018 |
| PNS Nurseries Limited | Health & social care | 2018 |
| PNS Rekdi Pani Puri Limited | Hospitality | 2025 |
| Pnsr Property Limited | Real estate | 2024 |
| PNV Properties Limited | Real estate | 2025 |
| PO Access Ltd | Health & social care | 2019 |
| Pocket Creatives Limited | Professional & scientific | 2017 |