| PSJ Hospitality Group Limited | Hospitality | 2025 |
| PSL Wealth Management Limited | Professional & scientific | 2017 |
| PSM Developments Ltd | Real estate | 2024 |
| PSM100 Properties Ltd | Construction | 2019 |
| PSP GROUP1 Limited | Construction | 2024 |
| PSR Bakery Ltd | Wholesale & retail | 2026 |
| Psssc Limited | Arts & recreation | 2025 |
| PST Motors Ltd | Wholesale & retail | 2025 |
| Psychedelicars Limited | Transport & logistics | 2025 |
| Psychology Matters Ltd | Education | 2000 |
| Psychology of Abundance Limited | Education | 2024 |
| Psychology Works: Kintsugi Limited | Health & social care | 2023 |
| Psychoremedy Limited | Health & social care | 2025 |
| Psyoccs Health Consultancy Limited | Health & social care | 2007 |
| Ptang Limited | Hospitality | 2001 |
| PTC (Professional Training Consultants) Ltd | Education | 2019 |
| PTM and R Properties Limited | Real estate | 2018 |
| Ptpa Ltd | Wholesale & retail | 2025 |
| Pubco Enterprises Limited | Hospitality | 2019 |
| Pubco London Limited | Hospitality | 2024 |
| Puff-Adder Ltd | Information & communication | 2024 |
| Puffin Smiles Limited | Health & social care | 2024 |
| Puj'Adore Limited | Professional & scientific | 2013 |
| Pujavin Limited | Real estate | 2019 |
| Pulmodx Ltd | Professional & scientific | 2024 |
| Pulse Event Management Ltd | Administrative & support | 2026 |
| Pulse Wholesalers Ltd | Manufacturing | 2022 |
| Pumba IT Ltd | Information & communication | 2023 |
| Pumpkinz Kitchen Ltd | Hospitality | 2018 |
| PUN Hill Limited | Administrative & support | 2019 |
| Puni Solutions Limited | Construction | 2010 |
| Punihani Exim Ltd | Wholesale & retail | 2019 |
| Punjab Events Limited | Hospitality | 2024 |
| Punjab House Associated Ltd | Real estate | 2011 |
| Punjab Junction Limited | Hospitality | 2023 |
| Punjabi Food Store Limited | Hospitality | 2021 |
| Punters Lounge Ltd | Arts & recreation | 2004 |
| Punters Publishing Limited | Information & communication | 1994 |
| Punya Enterprises Ltd | Other services | 2024 |
| Pupfish Productions Limited | Information & communication | 2004 |
| Purbani Botley Ltd | Hospitality | 2023 |
| Purbani Management Services Limited | Real estate | 2013 |
| Purcell Mount Park Limited | Households | 2000 |
| Purchaseshop Ltd | Wholesale & retail | 2026 |
| Purdy Rail Limited | Administrative & support | 2012 |
| Pure Electrical Solutions Limited | Construction | 2017 |
| Pure Holding Solutions Limited | Financial services | 2020 |
| Pure N Fresh Produce Ltd | Wholesale & retail | 2026 |
| Pure Olive Ltd | Other services | 2017 |
| Pure Place Ltd | Real estate | 2023 |
| Pure Plumb Three Ltd | Construction | 2018 |
| Pure Properties Midlands Ltd | Real estate | 2014 |
| Pure Radiance Ltd | Other services | 2022 |
| Pure Vitamins UK Ltd | Manufacturing | 2025 |
| Pure+ Ltd | Wholesale & retail | 2000 |
| Pureal Analytics Limited | Information & communication | 2024 |
| Purebuild Projects Ltd | Construction | 2024 |
| Purefeast Ltd | Hospitality | 2024 |
| Purely Painted Ltd | Construction | 2023 |
| Purely Pelvic Physio Limited | Health & social care | 2013 |
| Puremaj Ltd | Real estate | 2018 |
| Puremid Limited | Construction | 2015 |
| Pureprep Cosmetics Ltd | Manufacturing | 2024 |
| Puresight Limited | Professional & scientific | 2015 |
| Purevibe Cleaning Ltd | Administrative & support | 2025 |
| Purewoodgarage Ltd | Manufacturing | 2025 |
| Purley Way Property Management Limited | Real estate | 2005 |
| Purohit Consulting Ltd | Professional & scientific | 2019 |
| Purple Goose Ltd | Health & social care | 2013 |
| Purple Pearl Limited | Information & communication | 2021 |
| Purple Roads Limited | Administrative & support | 2023 |
| Purplehut Properties Ltd | Real estate | 2024 |
| Purpose Advisory Limited | Health & social care | 2024 |
| Purpose Collective Ltd | Administrative & support | 2023 |
| Purpose Positive Limited | Other services | 2024 |
| Purusartha Consultancy Ltd | Information & communication | 2023 |
| Purusartha Home Limited | Real estate | 2020 |
| Pushkar Properties Ltd | Real estate | 2024 |
| Pushpa Consultancy Ltd | Other services | 2026 |
| Pushpraj Limited | Wholesale & retail | 2021 |
| Pushti Parivar UK Limited | Other services | 2016 |
| Putney & Coombe Premier Homes Limited | Real estate | 2021 |
| Putter & Partners Ltd | Real estate | 2023 |
| Puzzle Books CIC | Information & communication | 2024 |
| Puzzle Trading High Wycombe Ltd | Hospitality | 2021 |
| Puzzle Trading Ltd | Hospitality | 2019 |
| PV Associates Ltd | Professional & scientific | 2010 |
| PV Logistic Limited | Transport & logistics | 2026 |
| PV Mehta & Co Ltd | Professional & scientific | 2013 |
| PV Partners Ltd | Wholesale & retail | 2014 |
| PVA Services Ltd | Transport & logistics | 2025 |
| PVD Limited | Construction | 2026 |
| PVD Properties Ltd | Real estate | 2018 |
| PVL Transport Ltd | Transport & logistics | 2023 |
| PVM Consulting Limited | Real estate | 2017 |
| PVN Developments Limited | Real estate | 2017 |
| PVN Property Management Ltd | Real estate | 2017 |
| Pvns Accountants Ltd | Professional & scientific | 2013 |
| Pvonlinedeals Ltd | Wholesale & retail | 2020 |
| Pvpv Ltd | Construction | 2025 |