| Parmar Design Ltd | Professional & scientific | 2010 |
| Parmar IT Consulting Ltd | Extraterritorial | 2025 |
| Parmar Logistics Ltd. | Transport & logistics | 2013 |
| Parmar Property Services Limited | Professional & scientific | 2018 |
| Paroha Developers UK Limited | Real estate | 2026 |
| Parotta Kadai Ltd | Hospitality | 2025 |
| Parsa Technologies Limited | Information & communication | 2012 |
| Parshad Lettings London Ltd | Real estate | 2021 |
| Partem Consulting Ltd | Information & communication | 2017 |
| Partner Property Services Limited | Real estate | 2011 |
| Partners & Co Assets Limited | Wholesale & retail | 2026 |
| Partners & Co Trading Smart Limited | Real estate | 2026 |
| Partners & Co Welcome Mart Limited | Wholesale & retail | 2026 |
| Parts Direct IT Ltd | Wholesale & retail | 2013 |
| Pass ME Ltd | Education | 2022 |
| Passion Perfumes London Ltd | Wholesale & retail | 2025 |
| Passreza Ltd | Education | 2023 |
| Pasyavula Group Limited | Administrative & support | 2015 |
| Patakewala Ltd | Wholesale & retail | 2025 |
| Patakha Picks Ltd | Wholesale & retail | 2026 |
| Patel Construction (UK) Limited | Construction | 2008 |
| Patel Supplies & Services Limited | Mining & quarrying | 2025 |
| Patico Ltd | Administrative & support | 2018 |
| PATRIOT24 Intercontinental Media Ltd | Information & communication | 2024 |
| Pats Group Ltd | Transport & logistics | 2024 |
| Paul & Sons Construction Ltd | Manufacturing | 2014 |
| Paul Building Contractors Ltd | Construction | 2022 |
| Paul Harty Ltd | Real estate | 2026 |
| Paul RCD Solution Ltd | Information & communication | 2025 |
| Paulius P Construction Ltd | Construction | 2022 |
| Paulpaul Limited | Transport & logistics | 2025 |
| Pavan Network Technologies Ltd | Information & communication | 2014 |
| Pavel Construction (UK) Limited | Construction | 2009 |
| Pavleen Express Limited | Wholesale & retail | 2025 |
| Pavleen International Ltd | Wholesale & retail | 2024 |
| Pawan Design Ltd | Wholesale & retail | 2020 |
| Pawantravels Limited | Administrative & support | 2025 |
| PAX Foods Ltd | Wholesale & retail | 2025 |
| PAY Quik Financial Services Ltd | Financial services | 2019 |
| Payal M Ltd | Other services | 2019 |
| Payroll Links Limited | Professional & scientific | 2018 |
| Payto Limited | Professional & scientific | 2023 |
| PB Wholesale PVT Ltd | Wholesale & retail | 2021 |
| PB03 Ltd | Transport & logistics | 2024 |
| PB18 Services SL Ltd | Construction | 2020 |
| PB47 Limited | Transport & logistics | 2025 |
| PB55 London Limited | Administrative & support | 2025 |
| PBP Fitness Ltd | Arts & recreation | 2020 |
| PC Helppoint Ltd | Information & communication | 2009 |
| PC Surgery Ltd | Information & communication | 2022 |
| PC Transport and Delivery Services Ltd | Transport & logistics | 2025 |
| PCA Solutions Ltd | Construction | 2025 |
| PCP Real Estates Investments Limited | Real estate | 2020 |
| PCS Phantom Ltd | Transport & logistics | 2023 |
| PD Builders Property Services Ltd | Construction | 2025 |
| PDH Compliance Ltd | Hospitality | 2014 |
| PDP Courier and Logistics Ltd | Transport & logistics | 2023 |
| Peace Lily Homes Limited | Households | 2025 |
| Peachcart Ltd | Wholesale & retail | 2025 |
| Peakfinity Limited | Information & communication | 2021 |
| Peapple Ltd | Information & communication | 2009 |
| Pearl Capital Holdings Limited | Real estate | 2022 |
| Pearl Secure Services Ltd | Administrative & support | 2017 |
| Pearls Group Ltd | Hospitality | 2025 |
| Pears World Ltd | Information & communication | 2005 |
| Peascod Estates Limited | Real estate | 2021 |
| PEC IT Services Ltd | Information & communication | 2015 |
| Pedant Estates Limited | Real estate | 2013 |
| Pedant Holiday Homes Limited | Hospitality | 2017 |
| Pedant Properties Limited | Real estate | 2023 |
| Pedant Residential Limited | Real estate | 2021 |
| Pedibal Bikes Ltd | Wholesale & retail | 2018 |
| Peerow Ltd | Construction | 2018 |
| Peerus Ltd | Wholesale & retail | 2025 |
| Pegasus Digital Media Services Limited | Arts & recreation | 2025 |
| Pegasus Security Guarding Ltd | Administrative & support | 2023 |
| Pegasys Consulting Limited | Information & communication | 2024 |
| PEM Transport Ltd | Construction | 2017 |
| Penasul UK Limited Ltd | Construction | 2026 |
| Penbury Ltd | Wholesale & retail | 2015 |
| Penguin Commercial Limited | Information & communication | 2004 |
| Pentagon IT Consultancy Limited | Information & communication | 2023 |
| People-Centric LAB Ltd | Information & communication | 2026 |
| Peopledev Ltd | Administrative & support | 2024 |
| Pepis Transport Ltd | Transport & logistics | 2015 |
| Peregrine Labs Ltd | Information & communication | 2025 |
| Peregrine Merchants Ltd | Wholesale & retail | 2019 |
| Perfect Haulage Ltd | Transport & logistics | 2025 |
| Perfect Mart Ltd | Wholesale & retail | 2025 |
| Perfect Peel Limited | Other services | 2022 |
| Perfect Start Builder Limited | Construction | 2021 |
| Perfect Surfaces Limited | Construction | 2023 |
| Perfect View Windows Ltd | Construction | 2024 |
| Perfecto Ltd | Wholesale & retail | 2025 |
| Perfecture Technologies Ltd | Information & communication | 2022 |
| Performance Glasgow Cars Ltd | Administrative & support | 2025 |
| Perpetual Consultancy Ltd | Construction | 2013 |
| Perpetual Growth Limited | Construction | 2017 |
| Personal Garden Services Limited | Other services | 2010 |
| Perspikacity Business Consultancy Ltd | Professional & scientific | 2018 |