| Peveril Limited | Professional & scientific | 2019 |
| Pexa Distribution Limited | Wholesale & retail | 2019 |
| PFA Builders Ltd. | Construction | 2019 |
| PFS Logistics UK PVT Ltd | Professional & scientific | 2025 |
| PFU Therapeutics Ltd | Professional & scientific | 2023 |
| PG Joinery Limited | Construction | 2014 |
| PG Motors Ltd | Wholesale & retail | 2025 |
| PG Patel Ltd | Wholesale & retail | 2017 |
| PG Property Investments Ltd | Real estate | 2026 |
| PG1 Mart Limited | Transport & logistics | 2025 |
| Pgam Limited | Professional & scientific | 2012 |
| Pgbc Group Ltd | Construction | 2020 |
| PGC Management Corp Ltd | Real estate | 2021 |
| PGE Associates Limited | Real estate | 2019 |
| PGK Associates Ltd | Professional & scientific | 2007 |
| PGM Fishmongers Limited | Wholesale & retail | 2018 |
| Pgpkl Ltd | Manufacturing | 2026 |
| PH Group Investments Ltd | Wholesale & retail | 2022 |
| PH Property Investmemt Limited | Real estate | 2022 |
| PH Shops Limited | Wholesale & retail | 2006 |
| PH Skincare Ltd | Wholesale & retail | 2023 |
| Phantom & Flanders Management Ltd | Real estate | 2022 |
| Phantom Books Limited | Information & communication | 2021 |
| Pharma and Lingua Ltd | Professional & scientific | 2024 |
| Pharma Clinical Ltd | Information & communication | 2018 |
| Pharma Connections Ltd | Other services | 2023 |
| Pharma Consultants R US Limited | Health & social care | 2018 |
| Pharma Cosmetics Limited | Health & social care | 2023 |
| Pharma Marketing Solutions Ltd | Other services | 2022 |
| Pharma Plus Limited | Administrative & support | 2003 |
| Pharma Saavis Limited | Health & social care | 2019 |
| Pharma-Xpert Consultancy Ltd | Administrative & support | 2010 |
| Pharmac Hub Limited | Wholesale & retail | 2024 |
| Pharmaclinique Ltd | Wholesale & retail | 2011 |
| Pharmacon Global Ltd | Health & social care | 2014 |
| Pharmacp Ltd | Health & social care | 2025 |
| Pharmacy Accountants Limited | Professional & scientific | 2022 |
| Pharmacy Complete Ltd | Wholesale & retail | 2009 |
| Pharmahealth Group Ltd | Wholesale & retail | 2017 |
| Pharmaniks First Limited | Wholesale & retail | 2022 |
| Pharmapp Ltd | Information & communication | 2020 |
| Pharmareg Consulting Limited | Professional & scientific | 2005 |
| Pharmaregs Ltd | Administrative & support | 2006 |
| Pharmaria Limited | Health & social care | 2015 |
| Pharmartel Limited | Wholesale & retail | 2003 |
| Pharmnet Group Ltd | Wholesale & retail | 2015 |
| Pharmservices Ltd | Other services | 2021 |
| Pharmville Limited | Wholesale & retail | 2010 |
| Phase 404 Ltd | Wholesale & retail | 2025 |
| Phase Electrical Engineering Ltd | Construction | 2021 |
| Phase Studios Limited | Information & communication | 2020 |
| Phat Bird Limited | Wholesale & retail | 2023 |
| PHC Home Care Limited | Health & social care | 2015 |
| PHD Group Ltd | Construction | 2022 |
| PHD Mechanical Ltd | Construction | 2008 |
| Phenix-Uk Franchising Limited | Administrative & support | 2020 |
| Phenix-Uk Holdings Limited | Financial services | 2020 |
| Phenix-Uk Limited | Administrative & support | 2020 |
| Phenix-Uk Realty Ltd | Real estate | 2020 |
| Phenix-Uk Trading Limited | Real estate | 2020 |
| Phenol Ltd | Wholesale & retail | 2026 |
| PHI AI Ltd | Professional & scientific | 2025 |
| PHI Assets Limited | Real estate | 2020 |
| Phil Bamforth Consulting Limited | Construction | 2014 |
| Philip Clay Design Limited | Manufacturing | 2013 |
| Philip Refrigeration & Air-Conditioning Service & Maintenance Limited | Manufacturing | 2012 |
| Philipknott.Uk Limited | Professional & scientific | 2014 |
| Philippa Long Ltd | Arts & recreation | 2018 |
| Phillip Shaw Limited | Real estate | 1995 |
| Phillips & Company Limited | Professional & scientific | 2013 |
| Phillips & Phillips Solicitors Ltd | Professional & scientific | 2026 |
| Phillips Gray Associates Ltd | Health & social care | 2024 |
| Philosophia Media Ltd | Wholesale & retail | 2008 |
| PHM Venture Ltd | Professional & scientific | 2020 |
| Phoenix Advertising Ltd | Professional & scientific | 2019 |
| Phoenix Auto Academy Limited | Education | 2019 |
| Phoenix Construction (Herts) Limited | Construction | 2016 |
| Phoenix Construction (London) Limited | Construction | 2016 |
| Phoenix Consultancy RS Ltd | Professional & scientific | 2020 |
| Phoenix Credit Solutions Limited | Financial services | 2023 |
| Phoenix Empire Ltd | Professional & scientific | 2024 |
| Phoenix Excellence Limited | Hospitality | 2023 |
| Phoenix Global Media Network Limited | Information & communication | 2008 |
| Phoenix Global Partners Properties Limited | Real estate | 2011 |
| Phoenix Green Investment Consultants Ltd | Administrative & support | 2009 |
| Phoenix Heating Limited | Construction | 2007 |
| Phoenix Heaven Ltd | Professional & scientific | 2024 |
| Phoenix Interior Solutions Ltd | Construction | 2026 |
| Phoenix IT Solutions Limited | Information & communication | 2016 |
| Phoenix Pharmdevice Ltd | Professional & scientific | 2019 |
| Phoenix Property Developments (Herts) Limited | Construction | 2023 |
| Phoenix Rising Property Investment Ltd | Real estate | 2025 |
| Phoenix SOLUTIONS4ALL Ltd | Information & communication | 2007 |
| Phoenix Stone Properties Ltd | Real estate | 2025 |
| Phoenix Superstore Limited | Wholesale & retail | 2026 |
| PHOENIX7 Holding Company Limited | Financial services | 2021 |
| PHOENIXI37 Limited | Wholesale & retail | 2025 |
| PHONES4DEMAND Ltd | Other services | 2024 |
| Phonesupplies Limited | Wholesale & retail | 2024 |
| Photosonic Studio Limited | Professional & scientific | 2022 |