| P S Construction London Ltd | Construction | 2019 |
| P Sandha Construction Ltd | Construction | 2024 |
| P&G Homes Construction Ltd | Construction | 2018 |
| P&K Logistics Ltd | Transport & logistics | 2026 |
| P&K Solution Ltd | Construction | 2025 |
| P&R Motor Group Ltd | Wholesale & retail | 2025 |
| P&R Property Services Limited | Construction | 2020 |
| P&S Assets Investment Ltd | Real estate | 2025 |
| P&S Developments Ltd | Construction | 2023 |
| P&V Properties Ltd | Real estate | 2025 |
| P-One Trading UK Limited | Wholesale & retail | 2019 |
| P-Smith Property Investment Ltd | Real estate | 2016 |
| P. H. E. Installations Limited, | Construction | 1963 |
| P. Porter Design Limited | Professional & scientific | 2009 |
| P.C. Construction Team Ltd | Construction | 2023 |
| P.U.I. Group Ltd | Manufacturing | 2017 |
| P5M DH51ON Limited | Professional & scientific | 2025 |
| Paautomotive Ltd | Wholesale & retail | 2025 |
| Pacetech Global Ltd | Education | 2026 |
| Pacha Enterprises Ltd | Wholesale & retail | 2016 |
| Pacifi Limited | Wholesale & retail | 2010 |
| Pacific Express Corporation Limited | Transport & logistics | 2008 |
| Pacific I.X Limited | Wholesale & retail | 2004 |
| Packaging Guru Ltd | Wholesale & retail | 2020 |
| Padam Property Investment Ltd | Real estate | 2019 |
| Padda Scaffolding Ltd | Construction | 2021 |
| Padholme Business Park Limited | Real estate | 2026 |
| Padraig.London Ltd | Health & social care | 2015 |
| Pahwa International Limited | Wholesale & retail | 2020 |
| Painted and Decorated Houses Apartments Ltd | Construction | 2025 |
| Painting Experts London Ltd | Construction | 2023 |
| Paintmasteruk Limited | Construction | 2026 |
| Paisa Exchange Ltd | Financial services | 2020 |
| PAJ30 Ltd | Real estate | 2025 |
| PAK Stallions Ltd | Wholesale & retail | 2026 |
| Pakeeza Import & Export UK Ltd | Wholesale & retail | 2010 |
| Pakistan Tehreek-E-Insaf UK, PTI UK | Other services | 2010 |
| PAL Construction Ltd | Construction | 2018 |
| PAL Empire Ltd | Financial services | 2024 |
| PAL Real Estate Ltd | Real estate | 2022 |
| PAL Roofing Ltd | Construction | 2021 |
| Pal's Travel Services Ltd | Administrative & support | 2024 |
| Palkowska Construction Limited | Construction | 2026 |
| Palmar Trading Ltd | Wholesale & retail | 2021 |
| Palmstream Properties Limited | Administrative & support | 1987 |
| Pal’S Food Ltd | Hospitality | 2024 |
| Pamir Import & Export LLP | | 2015 |
| Pamire Ltd | Real estate | 2023 |
| Pamma Best Builders Ltd | Construction | 2025 |
| Panacea Care Limited | Health & social care | 2012 |
| Pandher Brick Works Ltd | Construction | 2018 |
| Pandora House Healthcare Limited | Health & social care | 2018 |
| Panesar Brothers Limited | Hospitality | 2014 |
| Panizza Fast Food Ltd | Hospitality | 2025 |
| Panja Managment Ltd | Professional & scientific | 2024 |
| Panjab Brick and Block Work Limited | Construction | 2025 |
| Panjab Contractors Ltd | Administrative & support | 2025 |
| Panjab Radio Limited | Information & communication | 2000 |
| Panjab Transportation Ltd | Transport & logistics | 2026 |
| Panjab TV Limited | Information & communication | 2024 |
| Panjab Warriors Sports Limited | Real estate | 2024 |
| Panjeeri Ltd | Wholesale & retail | 2022 |
| Pannu Construction Ltd | Construction | 2019 |
| Pannu Construction Southall Ltd | Construction | 2026 |
| Panrama Ltd | Wholesale & retail | 2026 |
| PAP Mannulus Properties Ltd | Real estate | 2024 |
| Papapow Limited | Wholesale & retail | 2022 |
| Papstore Limited | Wholesale & retail | 2021 |
| Para CUT Construction Limited | Construction | 2025 |
| Paradise Holidays Limited | Real estate | 2022 |
| Paradise IND Limited | Professional & scientific | 2020 |
| Paragon Couriers & Cargo (UK) Limited | Transport & logistics | 2003 |
| Paragon TBI Holdings Ltd | Financial services | 2025 |
| Paramount Powders (U.K.) Limited | Manufacturing | 1986 |
| Parcel Buddy Limited | Transport & logistics | 2025 |
| Pardeep Brickwork Ltd | Construction | 2021 |
| Parents Against Knife & GUN Youth Crime CIC | Health & social care | 2026 |
| Pari Designers Ltd | Wholesale & retail | 2023 |
| Park Pubs Ltd | Hospitality | 2024 |
| Park West Portfolio Limited | Real estate | 2023 |
| PARKAIR247 Limited | Transport & logistics | 2022 |
| Parkingbox Ltd | Other services | 2026 |
| Parkview Homes (UK) Limited | Real estate | 2005 |
| Parkview Properties (Berkshire) Ltd | Real estate | 2023 |
| Parm Construction & Roofing Ltd | Construction | 2021 |
| Parma Ltd | Hospitality | 2025 |
| Parmex Group Limited | Wholesale & retail | 2025 |
| Parmjeet Kaur Dang Ltd | Extraterritorial | 2024 |
| Parms Hair & Makeup Ltd | Other services | 2023 |
| Pars Essentials Ltd | Wholesale & retail | 2024 |
| Parthy Global Limited | Wholesale & retail | 2026 |
| Parvati Homes Limited | Real estate | 2026 |
| Parvesh Upholstery Ltd | Other services | 2024 |
| Parvy Homes Limited | Administrative & support | 2007 |
| Parwinder Singh Logistics Ltd | Transport & logistics | 2025 |
| Pasla Investments Limited | Real estate | 2010 |
| Patel Asset Holdings Limited | Real estate | 2025 |
| Patel Engineers Ltd | Information & communication | 2012 |
| Patel's Properties and Housing Ltd | Real estate | 2025 |
| PATH2POTENTIAL Community CIC | Education | 2026 |