| Perfect House Manchester Ltd | Construction | 2025 |
| Perfect Title Ltd | Manufacturing | 2023 |
| Perform Learn Develop Limited | Other services | 2011 |
| Performance Autoparts Limited | Wholesale & retail | 2018 |
| Perla Group Ltd | Administrative & support | 2025 |
| Permahome Limited | Construction | 2019 |
| Pet Advisory Services Limited | Professional & scientific | 2014 |
| Pet City Limited | Professional & scientific | 1990 |
| Pet Planet Superstore Ltd | Wholesale & retail | 2011 |
| Pet PUB Co Limited | Hospitality | 2026 |
| Peter Ashley Car Parks Limited | Transport & logistics | 2021 |
| Peter Ashley Ltd | Administrative & support | 2000 |
| Peter Cotton Consultancy Limited | Professional & scientific | 2021 |
| Peter DIY Ltd | Wholesale & retail | 2019 |
| Petite Ecole DE Reigate Limited | Information & communication | 2013 |
| Pets Animal Hotel Limited | Other services | 2016 |
| Petwell Group Limited | Financial services | 2025 |
| PFM Industries Ltd | Other services | 2025 |
| PG Financial Services Advisory Ltd | Professional & scientific | 2025 |
| PGH Industries Ltd | Extraterritorial | 2012 |
| PH Property Ventures Ltd | Construction | 2025 |
| Phade Developments Ltd | Construction | 2026 |
| Phann Limited | Professional & scientific | 2021 |
| Pharmacentral Limited | Wholesale & retail | 2020 |
| Pharmalytical Services Limited | Professional & scientific | 2023 |
| Philador Group Limited | Professional & scientific | 2024 |
| Philip & Robert Howard Solicitors Limited | Professional & scientific | 2012 |
| Philip Connell Limited | Health & social care | 2026 |
| Philip Investment Limited | Real estate | 2023 |
| Phoenix Health Warrington Limited | Health & social care | 2011 |
| Phoenix Hills Ltd | Health & social care | 2018 |
| Phonosurgery Course Limited | Health & social care | 2012 |
| Photo Finish Limited | Manufacturing | 2025 |
| Photoderm Limited | Health & social care | 2019 |
| Phwc Holdings Limited | Professional & scientific | 2023 |
| PI Interim Finance Limited | Professional & scientific | 2014 |
| Piccadilly Services Ltd | Hospitality | 2005 |
| Pick and MIX Limited | Wholesale & retail | 2021 |
| Pilihan Investments Ltd | Financial services | 2016 |
| Pindelco Limited | Construction | 2014 |
| Pineapple Letting Ltd | Real estate | 2008 |
| Pinkshell Properties Ltd | Real estate | 2013 |
| Pinky's Bars Ltd | Hospitality | 2024 |
| Pinpoint Global Solutions Limited | Extraterritorial | 2010 |
| Pintama Ltd | Professional & scientific | 2024 |
| Pioneering Community Interest Company | Hospitality | 2019 |
| Pires Capital Limited | Construction | 2025 |
| Pires Partnerships Limited | Construction | 2025 |
| Pisces Solutions Ltd | Real estate | 2015 |
| Piscosos Investments | Professional & scientific | 2019 |
| Piskor Transport Limited | Transport & logistics | 2019 |
| Pixie (Hale) Limited | Wholesale & retail | 2010 |
| Pizza Wilmslow 1 Ltd | Hospitality | 2023 |
| Pizza Wilmslow Plus Ltd | Manufacturing | 2024 |
| Pjmak Limited | Health & social care | 2021 |
| PJP Garden and Landscaping Ltd | Administrative & support | 2026 |
| PJR Building & Joinery Projects Ltd | Construction | 2017 |
| PKL Consult Ltd | Professional & scientific | 2025 |
| PKP Financial Solutions Ltd | Financial services | 2012 |
| PL Civil Engineering Holdings Limited | Construction | 2015 |
| PL Civil Engineering Ltd | Construction | 2015 |
| PL Infrastructure Ltd | Construction | 2010 |
| PL Plant and Transport Limited | Construction | 2015 |
| PL Training Limited | Manufacturing | 2017 |
| Plan NE Ltd | Professional & scientific | 2025 |
| Plan Property Development Ltd | Real estate | 2024 |
| Planetes Consulting Limited | Professional & scientific | 2025 |
| Plastic Surgery Skin Limited | Health & social care | 2016 |
| Plasticsurguk Limited | Health & social care | 2024 |
| Playzone Kids Club Ltd | Health & social care | 2006 |
| Plotpilot Ltd | Information & communication | 2023 |
| Plumbex UK Limited | Professional & scientific | 1995 |
| Plumwest Limited | Health & social care | 2023 |
| Plus Sports & Entertainment Ltd | Professional & scientific | 2021 |
| Plutus Capital Partners Ltd | Administrative & support | 2023 |
| Plxsur Fxco Limited | Financial services | 2025 |
| Plxsur Midco Limited | Financial services | 2022 |
| PM Aquatic Imports Ltd | Wholesale & retail | 2004 |
| PM Car Sales Limited | Wholesale & retail | 2010 |
| PMA Ltd | Education | 2013 |
| PMC Estates Ltd | Real estate | 2025 |
| PME Family Support Ltd | Other services | 2025 |
| PMH Advanced Consultancy Ltd | Health & social care | 2024 |
| Pmhk Property Group Limited | Real estate | 2025 |
| POE Limited | Wholesale & retail | 2008 |
| Policing and CJ Group Limited | Administrative & support | 2024 |
| Pomona Property Company Limited | Real estate | 2015 |
| Popadoodlederm Limited | Health & social care | 2018 |
| Portland Electrical and Mechanical Services Limited | Professional & scientific | 2021 |
| Portland Engineers Limited | Professional & scientific | 1999 |
| Portland Engineers Property Ltd | Real estate | 2024 |
| Portres Ltd | Manufacturing | 2025 |
| Post Sixth Consultancy Limited | Extraterritorial | 2021 |
| Potential Recruitment Limited | Administrative & support | 2008 |
| Poulton-Le-Fylde Masonic Hall Limited | Other services | 1964 |
| Power & GAS Networks Ltd | Professional & scientific | 2014 |
| Powers Orthopaedics Limited | Health & social care | 2018 |
| Pownall Hall School Trust Limited | Education | 1960 |
| Pownall Park Management Company Limited | Real estate | 2023 |
| PPC 1 Limited | Hospitality | 2026 |