| Ouvra Ltd | Hospitality | 2023 |
| Oxford Pathology Education Limited | Education | 2020 |
| Oxford Property Technology Sciences Limited | Real estate | 2026 |
| P & P Digital Solutions Limited | Information & communication | 2014 |
| P and P Residence Limited | Real estate | 2020 |
| P R F Engineering Limited | Manufacturing | 2008 |
| P S Taylor Limited | Administrative & support | 2004 |
| P&L Accounts Ltd | Professional & scientific | 2021 |
| P.L.C Surveillance Ltd | Administrative & support | 2010 |
| P2R Planning & Regeneration Ltd | Professional & scientific | 2026 |
| P3 Property Limited | Professional & scientific | 2014 |
| PA Elimam Limited | Health & social care | 2023 |
| PAB2U LLP | | 2017 |
| PACHARIN10 Limited | Construction | 2023 |
| Padda Curry House Ltd | Hospitality | 2025 |
| Paddock Inns Limited | Hospitality | 1999 |
| Paddock Inns Properties Limited | Hospitality | 2026 |
| Padelotomy Ltd | Manufacturing | 2019 |
| Padels UP Ltd | Arts & recreation | 2024 |
| Painting & Decorating Services (PDS) Ltd | Construction | 2019 |
| PAK Family Properties Limited | Construction | 2023 |
| Palermo Resourcing Limited | Administrative & support | 2016 |
| Palletower (G.B.) Limited | Transport & logistics | 1967 |
| Palletower Group Structural Holdings Ltd | Professional & scientific | 2012 |
| Palletower Racking and Shelving (Holdings) Ltd | Financial services | 2024 |
| Palletower Racking and Shelving Ltd | Wholesale & retail | 2024 |
| Palmarium Developments Limited | Real estate | 2017 |
| Palmarium Land & Property Limited | Real estate | 2017 |
| Panacme Ltd | Education | 2025 |
| Panaheath Limited | Wholesale & retail | 1984 |
| Panalitix UK Limited | Other services | 2015 |
| Pandarama Ltd | Real estate | 2011 |
| Pandassi Limited | Construction | 2010 |
| Pandatimes Ltd | Wholesale & retail | 2024 |
| Pandavan Ltd | Transport & logistics | 2014 |
| Pandja Consulting Limited | Professional & scientific | 2018 |
| Pantling Studio Limited | Information & communication | 2017 |
| Papavero AI Ltd | Information & communication | 2026 |
| Parade Foods Ltd | Hospitality | 2022 |
| Paradigm Technology Ltd | Manufacturing | 2018 |
| Paradise Parties Ltd | Hospitality | 2025 |
| Paradox MCR Limited | Hospitality | 2026 |
| Paramount Technical Solutions Limited | Administrative & support | 2014 |
| Parhelion Limited | Information & communication | 2008 |
| Park Court Presman Limited | Real estate | 1981 |
| Park Road Holdings Limited | Real estate | 2017 |
| Park Road Sale Primary School | Education | 2013 |
| Parkfield Insolvency Ltd | Financial services | 2022 |
| Parkhouse Bell Employee Ownership Trust Limited | Administrative & support | 2024 |
| Parkhouse Bell Ltd | Administrative & support | 2006 |
| Parkin Management Consulting Limited | Information & communication | 2007 |
| Parkinsons (Latchford) Limited | Financial services | 1979 |
| Parkview Properties Manchester Ltd | Real estate | 2022 |
| Parovine Properties Limited | Real estate | 1964 |
| Parts Finder UK Ltd | Wholesale & retail | 2024 |
| Parttesh Property Ltd | Real estate | 2022 |
| Pate & Lever Holdings Ltd | Construction | 2025 |
| Patel Flats Ltd | Real estate | 2022 |
| Patellis Homes Limited | Real estate | 2023 |
| Pater Auto Ltd | Wholesale & retail | 2022 |
| Pathgem Ltd | Health & social care | 2018 |
| Pathway Tech Limited | Information & communication | 2025 |
| Patrad Limited | Professional & scientific | 2019 |
| Patrn Ltd | Information & communication | 2025 |
| Patties Ltd | Wholesale & retail | 2023 |
| Paul Collis Touring Ltd | Arts & recreation | 2017 |
| Paul Hornsey Electrical Services Limited | Construction | 2014 |
| Pawarin Limited | Hospitality | 2009 |
| Paydotcom Limited | Wholesale & retail | 2025 |
| PBK 360 Limited | Construction | 2025 |
| PBK Home Improvements Limited | Construction | 2019 |
| PBN Solutions Ltd | Real estate | 2015 |
| Pcdf Properties Ltd | Real estate | 2021 |
| PCI Rental Ltd | Administrative & support | 2023 |
| PD Digital Solutions Limited | Information & communication | 2017 |
| Peace Village Properties Ltd | Real estate | 2019 |
| Peach Propertyco Ltd | Construction | 2026 |
| Peachtree Interiors Ltd | Professional & scientific | 2023 |
| Peddars Engineering Solutions Limited | Information & communication | 2014 |
| Peddars Property Holdings Limited | Real estate | 2026 |
| Peddars Property Solutions Limited | Real estate | 2026 |
| PEE Paediatric Services Ltd | Health & social care | 2023 |
| Peel Properties Ltd | Real estate | 2003 |
| Peen Ltd | Real estate | 2022 |
| Pell Ltd | Construction | 2006 |
| PEN Collis Ltd | Information & communication | 2026 |
| Penbrook Developments Limited | Real estate | 2022 |
| Pendlebury Audio Visual Ltd. | Information & communication | 2003 |
| Pendulum Legal Ltd. | Administrative & support | 2023 |
| Penn-Ruddock Delivery Ltd | Professional & scientific | 2024 |
| Pennine Urological Solutions Ltd | Health & social care | 2026 |
| Pension Technology Limited | Administrative & support | 2017 |
| Penthouse Properties NW Ltd | Real estate | 2023 |
| Peony Events Planning Limited | Hospitality | 2018 |
| People Curve Consultancy Limited | Professional & scientific | 2024 |
| Peppard & Steel Roofing Ltd | Construction | 2021 |
| Pepper Mill Pizzeria Limited | Hospitality | 2023 |
| Periodbond Limited | Professional & scientific | 1992 |
| Persona Core Ltd | Information & communication | 2025 |
| Petbookr Ltd | Information & communication | 2025 |