| Poundfy Limited | Wholesale & retail | 2023 |
| Poundz Limited | Wholesale & retail | 2025 |
| Pourtoumania Ltd | Wholesale & retail | 2022 |
| POW Design Limited | Information & communication | 2015 |
| Powderhall Properties Ltd. | Real estate | 2021 |
| Power Electrical Connection Ltd | Construction | 2021 |
| Power of Pressure Ltd | Administrative & support | 2021 |
| Power Rangers Ltd | Construction | 2017 |
| Power ROD (Home Counties) Limited | Water & waste | 2015 |
| Power Solution (London) Ltd | Construction | 2018 |
| Power UP Electricians Ltd | Construction | 2023 |
| Power Your Potential Ltd | Education | 2020 |
| Power-Play Tech Ltd | Construction | 2023 |
| Power.Feno Ltd | Construction | 2025 |
| Poweredbyai Tech Ltd | Information & communication | 2025 |
| Powerr Ltd | Energy | 2024 |
| Powerwieeld Technology Corp. Limited | Wholesale & retail | 2023 |
| Powerxpress Ltd | Wholesale & retail | 2026 |
| PP Brita Limited | Wholesale & retail | 2026 |
| Ppatel Properties Limited | Real estate | 2016 |
| Ppkn Limited | Professional & scientific | 2021 |
| Ppkv Limited | Construction | 2025 |
| Ppmb Transport Ltd | Transport & logistics | 2022 |
| Ppsm Homes Limited | Real estate | 2020 |
| PPU Groundworks Ltd | Manufacturing | 2022 |
| PQS Pharma Limited | Professional & scientific | 2024 |
| PR Beauty Salon Ltd | Other services | 2023 |
| PR Gems Limited | Real estate | 2011 |
| PR It-Services Limited | Information & communication | 2022 |
| PR Party Decorators Ltd | Other services | 2024 |
| PRA Trading Ltd | Wholesale & retail | 2026 |
| Prabhu PAN and Food Ltd | Wholesale & retail | 2022 |
| Prabisha Consulting Limited | Information & communication | 2022 |
| Prachand Limited | Financial services | 2010 |
| Prachinburi Thai Spa Limited | Public administration | 2024 |
| Practical ANT UK Ltd | Construction | 2022 |
| Practical Mentors Limited | Education | 2019 |
| Practical Staffing Limited | Administrative & support | 2016 |
| Practical Turtle UK Limited | Real estate | 2021 |
| Practically Managed Trading Ltd | Wholesale & retail | 2025 |
| Practice Intelligence Limited | Information & communication | 2022 |
| Practicmobs Design Ltd | Professional & scientific | 2016 |
| Practius Solutions Limited | Administrative & support | 2008 |
| Practoor Properties Ltd | Real estate | 2023 |
| Practoor Properties One Ltd | Real estate | 2024 |
| Pradd Travels Ltd | Administrative & support | 2024 |
| Pradetta Limited | Hospitality | 2003 |
| Pragya Consultants Ltd | Professional & scientific | 2016 |
| Prahar Limited | Information & communication | 2013 |
| Prahar Nivas Ltd | Real estate | 2017 |
| Prahasana Limited | Arts & recreation | 2021 |
| Praise&Prints Ltd | Manufacturing | 2026 |
| Praja Constructions Ltd | Construction | 2024 |
| Prajapati Holdings Ltd | Wholesale & retail | 2025 |
| Prajna Language Services Ltd | Professional & scientific | 2026 |
| Prajul Professional Services Limited | Information & communication | 2014 |
| Prakal Properties Limited | Real estate | 2019 |
| Prammas Ltd | Wholesale & retail | 2018 |
| Prammohan Limited | Information & communication | 2024 |
| Pramoni Creation Ltd | Wholesale & retail | 2025 |
| Pramukh Engineering Limited | Construction | 2012 |
| Pramukh Fruit and VEG Ltd | Wholesale & retail | 2026 |
| Pramukh Krupa Ltd | Real estate | 2023 |
| Pramukh Prashad Ltd | Wholesale & retail | 2023 |
| Pranava Kerala Ayurveda Clinic Limited | Health & social care | 2012 |
| Pranesha Limited | Wholesale & retail | 2020 |
| Pranm Ltd | Financial services | 2011 |
| Prashad Sweets Limited | Manufacturing | 1996 |
| Prashanth Events Management Ltd | Wholesale & retail | 2025 |
| Prashkin COM Ltd | Construction | 2019 |
| Prashkin London Ltd | Construction | 2019 |
| Prasiddh Enterprise Ltd | Wholesale & retail | 2024 |
| Prask COM Limited | Real estate | 2020 |
| Prask RES Limited | Real estate | 2020 |
| Prata Limited | Administrative & support | 2021 |
| Pratas Tech Solutions Ltd | Professional & scientific | 2023 |
| Pravi Vastu Consultancy Ltd | Professional & scientific | 2024 |
| Praya Holdings Limited | Professional & scientific | 2021 |
| Prayalneet Ltd | Real estate | 2018 |
| PRE Install Limited | Construction | 2018 |
| PRE Properties Ltd | Real estate | 2016 |
| PRE School Academy Limited | Education | 2010 |
| Precious Caring Limited | Real estate | 2014 |
| Precious Hack Productions Ltd | Information & communication | 2017 |
| Precious HC Ltd | Health & social care | 2022 |
| Precious Little Angels Limited | Other services | 2021 |
| Precise Capital Limited | Administrative & support | 2017 |
| Precise Curtains Limited | Manufacturing | 2022 |
| Precise Films Ltd | Information & communication | 2022 |
| Precise Measured Surveys Ltd | Professional & scientific | 2024 |
| Precision Fit Limited | Construction | 2019 |
| Precision Point Engineering Ltd | Construction | 2024 |
| Pree Infotech Ltd | Information & communication | 2025 |
| Preeti Properties Limited | Real estate | 2022 |
| Prefab Collective Limited | Information & communication | 2019 |
| Prefect Software LLP | | 2004 |
| Preferred Business Consulting Limited | Professional & scientific | 2012 |
| Preferred INV Limited | Real estate | 2022 |
| Prem Builders Ltd | Construction | 2025 |
| Prem Electricals Ltd | Construction | 2011 |