| Priestley Services Ltd | Manufacturing | 2024 |
| Priestleys (Lincoln) Limited | Extraterritorial | 2024 |
| Prime Assurance Ltd | Professional & scientific | 2026 |
| Prime Audio Visual Ltd | Administrative & support | 2025 |
| Prime Electrical Services South Limited | Construction | 2020 |
| Prime Package Ltd | Extraterritorial | 2025 |
| Prime Padel Hub Ltd | Health & social care | 2025 |
| Prime Point Holdings Limited | Professional & scientific | 2024 |
| Prime Property Services Southern Ltd | Real estate | 2024 |
| Primeairconditioning Ltd | Construction | 2021 |
| Primetime Chauffeurs Limited | Transport & logistics | 2022 |
| Prince of Troy Films Ltd | Arts & recreation | 2024 |
| Print LAB Studio Ltd | Manufacturing | 2023 |
| Prism.Gg Limited | Information & communication | 2019 |
| Pristine Property Maintenance Ltd | Construction | 2023 |
| Pritchard Studio Ltd | Professional & scientific | 2025 |
| Pritsos Dent Ltd | Health & social care | 2018 |
| Privio Ltd. | Information & communication | 2020 |
| PRK Cleaning Services Ltd | Administrative & support | 2025 |
| Pro Clean Window Cleaning Ltd | Administrative & support | 2017 |
| Pro Heat Plumbing Solutions Ltd | Construction | 2024 |
| Pro Parts Holdings Limited | Professional & scientific | 1998 |
| Pro Parts Limited | Wholesale & retail | 1991 |
| Pro Roofing Solutions Ltd | Construction | 2013 |
| Pro Visual Installations Ltd | Construction | 2022 |
| Probe Electrical Services Ltd | Construction | 2017 |
| Probitas UK Consulting Limited | Professional & scientific | 2018 |
| Procar Detail Ltd | Wholesale & retail | 2023 |
| Procon Air Conditioning Services Ltd | Construction | 2021 |
| Professional Automotive Services Ltd | Professional & scientific | 2017 |
| Professional Business Opportunities Ltd | Other services | 2011 |
| Professional Property Services (Chichester) Limited | Construction | 2005 |
| Profittings Limited | Construction | 2024 |
| Profix Building Ltd | Construction | 2019 |
| Profix Installations Ltd | Construction | 2020 |
| Profortis Limited | Administrative & support | 2003 |
| Profortis Medical Devices and Training Limited | Wholesale & retail | 2018 |
| Progas South Services Ltd | Construction | 2023 |
| Progressive Construction Services Holdings Limited | Construction | 2025 |
| Progressive Construction Services Ltd | Construction | 2023 |
| Progressive Consultancy and Training Limited | Public administration | 2019 |
| Progressive Electrical Services Ltd | Manufacturing | 2020 |
| Progressive Mechanical Services Ltd | Construction | 2025 |
| Project Wellness Ltd | Health & social care | 2021 |
| Pronet Connect Ltd | Information & communication | 2025 |
| Proof Capital Limited | Other services | 2024 |
| Property on the MED Ltd | Hospitality | 2022 |
| PROPERTY505 Ltd | Real estate | 2023 |
| Prose & Comms Limited | Other services | 2019 |
| Prosigma Limited | Real estate | 2025 |
| Prosper Performance Coaching Ltd | Education | 2021 |
| Protea Property Investors Ltd | Real estate | 2024 |
| Protec Holdings Limited | Financial services | 2025 |
| Protec Roofing (Southern) Limited | Construction | 2008 |
| Protocole Technical Services Limited | Professional & scientific | 2010 |
| Provartis Capital Limited | Financial services | 2018 |
| Proven Track Record Limited | Administrative & support | 2004 |
| Provide Electrical Ltd | Construction | 2025 |
| Provision Hospitality Limited | Hospitality | 2024 |
| Provuno Ltd | Health & social care | 2015 |
| Prsf Consultancy Ltd | Information & communication | 2024 |
| PS Ground Services Ltd | Administrative & support | 2025 |
| PS Paving Limited | Construction | 2009 |
| PSG Financial Solutions Limited | Professional & scientific | 2012 |
| PSI Engineering Ltd | Professional & scientific | 2013 |
| PSI Technologies Limited | Manufacturing | 1998 |
| PSL Building Contractors Limited | Construction | 2010 |
| Psych-Ology Limited | Health & social care | 2019 |
| Psychology Clinic London Ltd | Health & social care | 2018 |
| PTP Properties Limited | Real estate | 2004 |
| PTP Services Limited | Administrative & support | 2017 |
| PTW Electric Ltd | Construction | 2013 |
| Puckle Consultancy Limited | Real estate | 2015 |
| Pudgies Pubz Ltd | Hospitality | 2025 |
| Puffpuff Delights Limited | Wholesale & retail | 2025 |
| Pulchra Artem Ltd | Wholesale & retail | 2019 |
| Pulse Time Products Limited | Manufacturing | 1983 |
| Pump Fashion Limited | Wholesale & retail | 2011 |
| PUN Apparel Limited | Wholesale & retail | 2020 |
| Puncher Electrical Limited | Construction | 2025 |
| Punchycopy Creative Ltd | Professional & scientific | 2018 |
| Purbrook DI Limited | Hospitality | 2020 |
| Purbrook Garage Services Limited | Wholesale & retail | 2007 |
| Purbrook Property Services Ltd | Construction | 2026 |
| Purbrook Surveyors Limited | Professional & scientific | 2025 |
| Purbrook Tandoori Limited | Hospitality | 2017 |
| Purbrook Veterinary Practice Limited | Professional & scientific | 2008 |
| Pure Imagination Productions Limited | Information & communication | 2022 |
| Pure Investment Group Limited | Real estate | 2024 |
| Pure Super Foods Limited | Wholesale & retail | 2020 |
| Pureduct Limited | Construction | 2020 |
| Purewave Plumbing & Heating Ltd | Construction | 2025 |
| Purity Outdoors Limited | Construction | 2023 |
| Purple Butterfly Marketing and Design Limited | Professional & scientific | 2024 |
| Puthucheary Medical Consultancy Limited | Health & social care | 2017 |
| PVR Contracting Holdings Limited | Financial services | 2014 |
| PVR Contracting Limited | Construction | 2010 |
| Pwca Limited | Wholesale & retail | 2019 |
| Pwemtech Limited | Manufacturing | 2024 |
| PWR 1932 Limited | Hospitality | 2019 |