| Podiatry First Group Limited | Health & social care | 2011 |
| Podspace Technology Ltd | Wholesale & retail | 2024 |
| Poeticvizion Photography Ltd | Professional & scientific | 2026 |
| Polish Movers Limited | Transport & logistics | 2012 |
| Polla Ltd | Construction | 2025 |
| Polly Trading Limited | Wholesale & retail | 2025 |
| Polo Land Limited | Construction | 2002 |
| Polpoint Limited | Real estate | 1997 |
| Polyim Limited | Manufacturing | 2009 |
| POM Products Limited | Construction | 2024 |
| Pomelo Lets Ltd | Real estate | 2023 |
| Pooja Jewellery Ltd | Wholesale & retail | 2020 |
| Pooja Property Ltd | Real estate | 2025 |
| Pooja Travels World Wide Limited | Administrative & support | 2026 |
| Popat Stores (U K) Limited | Wholesale & retail | 2012 |
| Popat Stores Limited | Wholesale & retail | 2011 |
| Popcorn Pixel Ltd. | Professional & scientific | 2022 |
| Popin Development Project Limited | Real estate | 2018 |
| Portfolio People Ltd | Professional & scientific | 2014 |
| Portobello Clothes Ltd | Wholesale & retail | 2025 |
| Portwine Productions Ltd | Information & communication | 2019 |
| Positive Clinical Psychology Limited | Health & social care | 2015 |
| Post Completion Solutions Ltd | Professional & scientific | 2025 |
| Post Script Medical Limited | Public administration | 2020 |
| Poulton Dental Limited | Health & social care | 2024 |
| Poulton Limited | Real estate | 2006 |
| Poulton Practice Limited | Health & social care | 2009 |
| Pound Plus Express Limited | Wholesale & retail | 2024 |
| Pound the Stone Ltd | Professional & scientific | 2025 |
| Poundbridge Developments Limited | Construction | 1972 |
| Power F GAS Ltd | Construction | 2026 |
| Power Hammer Builders Ltd | Construction | 2024 |
| Power International Limited | Wholesale & retail | 2025 |
| Power Mania Limited | Wholesale & retail | 2014 |
| Power Planners International Limited | Professional & scientific | 2007 |
| Power Tool Service (London) Ltd | Manufacturing | 2021 |
| POWER2BUILD Ltd. | Construction | 2014 |
| POWER2INVEST Ltd | Financial services | 2016 |
| Powerline Traders Limited | Wholesale & retail | 2020 |
| PP & Co Trading Ltd | Wholesale & retail | 2014 |
| PP Food & Wine Ltd | Wholesale & retail | 2018 |
| PP Hospitality Ltd | Administrative & support | 2024 |
| PPE Providers Ltd | Wholesale & retail | 2020 |
| PR Trading Limited | Construction | 2021 |
| PRA Solutions Ltd | Information & communication | 2009 |
| Prachi Services Ltd | Information & communication | 2025 |
| Practical Tax Solution Limited | Professional & scientific | 2017 |
| Praed Consultants (Holdings) Limited | Real estate | 2023 |
| Praed Consultants Limited | Information & communication | 2017 |
| Pragati Mart Limited | Wholesale & retail | 2025 |
| Pragira London Limited | Other services | 2013 |
| Pragji Limited | Wholesale & retail | 2025 |
| Prajapati Properties Ltd | Real estate | 2021 |
| Prakaaza Ltd | Information & communication | 2010 |
| Prakash Patel Limited | Information & communication | 2013 |
| Prakaushali Parishad Limited | Real estate | 2011 |
| Pramukh Consultants Ltd | Administrative & support | 2023 |
| Pramukh Private Ltd | Wholesale & retail | 2024 |
| Prana KB Limited | Health & social care | 2024 |
| Pras (UK) Ltd | Real estate | 2011 |
| Praty Graphics Limited | Professional & scientific | 2025 |
| Pravasi Ltd | Information & communication | 2026 |
| Pravin Hirani Estate Planning Ltd | Other services | 2018 |
| Pravin Hirani Wealth Management Ltd | Other services | 2020 |
| Prayosha & Co Limited | Wholesale & retail | 2013 |
| Prayosham Ltd | Wholesale & retail | 2021 |
| PRD Skills Ltd | Construction | 2019 |
| Precise Home Care Ltd | Health & social care | 2019 |
| Precise Properties London Limited | Real estate | 2023 |
| Precision Health Consulting Ltd | Professional & scientific | 2024 |
| Precision Oral Care Ltd | Health & social care | 2026 |
| Precision Property Group Ltd | Real estate | 2022 |
| Prem 785 Dereham Limited | Real estate | 2024 |
| Prem Shanti Ltd | Health & social care | 2023 |
| PREM785 Limited | Real estate | 2017 |
| Premier Auto Design Ltd | Wholesale & retail | 2015 |
| Premier Catch Seafoods Ltd | Wholesale & retail | 2023 |
| Premier Drywall Limited | Construction | 2010 |
| Premier Edition Ltd | Wholesale & retail | 2015 |
| Premier Heating and Plumbing Ltd | Construction | 2018 |
| Premier House Properties Limited | Real estate | 2016 |
| Premier Integrated Services Ltd | Financial services | 2022 |
| Premier Land Investments Limited | Real estate | 2025 |
| Premier Motors Ltd | Wholesale & retail | 2011 |
| Premium Foods Wholesale Ltd | Wholesale & retail | 2025 |
| Premium Machines Ltd | Wholesale & retail | 2019 |
| Press PIX UK Ltd | Professional & scientific | 2013 |
| Prestige Auto Pro Ltd | Wholesale & retail | 2024 |
| Prestige Construct Ltd | Construction | 2024 |
| Prestige Executive Group Limited | Transport & logistics | 2024 |
| Prestige Gold Solutions Limited | Professional & scientific | 2017 |
| Prestige Polish Ltd | Other services | 2019 |
| Prestige Wealth System Limited | Professional & scientific | 2017 |
| Prestigious Property Services Limited | Real estate | 2019 |
| Prestigious Real Estate Ltd | Real estate | 2017 |
| Preston Accountants Limited | Professional & scientific | 2009 |
| Preston Community Library | Arts & recreation | 2011 |
| Preston Manor Academy Trust | Education | 2013 |
| Preston Properties London Ltd | Real estate | 2008 |
| Preston Properties Wembley LLP | | 2022 |