| Proxcleaners Ltd | Administrative & support | 2025 |
| Proxima Estates Ltd | Real estate | 2023 |
| Proxycare Limited | Health & social care | 2014 |
| PRS Consultants Ltd | Information & communication | 2018 |
| PRS Guitars International Limited | Wholesale & retail | 2012 |
| PRS Housing Ltd | Real estate | 2021 |
| Prsplus-Uk Limited | Real estate | 2020 |
| Prudent Global Services Limited | Health & social care | 2017 |
| Prudent Property Investment (Bucks) Limited | Real estate | 2019 |
| Prudential Expert Consultancy Limited | Administrative & support | 2019 |
| Prunescapes Ltd | Other services | 2017 |
| Pryde Ltd | Real estate | 2021 |
| PS Clean Ltd | Administrative & support | 2024 |
| PS International Group Limited | Wholesale & retail | 2021 |
| PS Law LLP | | 2012 |
| PS Management Group Ltd | Administrative & support | 2018 |
| PS Trafalgar Limited | Real estate | 2025 |
| PS4 Construction Ltd | Construction | 2026 |
| PSB Global Ltd | Wholesale & retail | 2024 |
| Pseudocode Private Limited | Information & communication | 2021 |
| PSI Consultancy Ltd | Information & communication | 2023 |
| Psiam Ltd | Information & communication | 2011 |
| PSL Bigdata Solutions Ltd | Information & communication | 2019 |
| PSL Partners Limited | Professional & scientific | 2019 |
| Pspa Lettings Ltd | Real estate | 2019 |
| Psy-Fi Records Limited | Information & communication | 2024 |
| Psych-Neuro Limited | Health & social care | 2021 |
| PSYCH2GETHER Limited | Health & social care | 2025 |
| Psychology Assessment Service Ltd | Health & social care | 2019 |
| PSYCHOLOGY4LEARNING Limited | Education | 2016 |
| Psydrive Ltd | Professional & scientific | 2022 |
| Psytwin Multimedia Ltd | Information & communication | 2006 |
| PSZ Direct Ltd | Administrative & support | 2017 |
| PT Pharmaceuticals Limited | Wholesale & retail | 2023 |
| PT With Lily Ltd | Health & social care | 2021 |
| PTC Building Limited | Construction | 2012 |
| PTI MK Limited | Hospitality | 2019 |
| Ptrjfitness Ltd | Health & social care | 2024 |
| PTS Global Ltd | Professional & scientific | 2023 |
| PUB9 Ltd | Hospitality | 2024 |
| Public Sector Network Limited | Other services | 2020 |
| Publishing Africa Group Limited | Information & communication | 2025 |
| Publix Healthcare UK Limited | Health & social care | 2016 |
| PUD Property Investments Ltd | Real estate | 2025 |
| Puffin Solutions Limited | Information & communication | 2007 |
| Puffs & Co MK Ltd | Hospitality | 2026 |
| Pulham House Properties Limited | Administrative & support | 2013 |
| Pulihara Consultancy Limited | Administrative & support | 2013 |
| Pulka Group Ltd | Transport & logistics | 2022 |
| Pulka Holdings Ltd | Real estate | 2024 |
| Pulse Community Gyms Ltd | Arts & recreation | 2025 |
| Pulse Consultants Limited | Information & communication | 2011 |
| Pulse Realty Group Ltd | Real estate | 2018 |
| Pulte Limited | Information & communication | 2019 |
| Punchface Financial Solutions Ltd | Financial services | 2021 |
| Pundit Media Group Ltd | Information & communication | 2023 |
| Punjabi Community CIC | Arts & recreation | 2019 |
| Punkworx Holdings Ltd | Financial services | 2026 |
| Pupclub Official Ltd | Education | 2022 |
| Pura Vida Events Global Ltd | Information & communication | 2025 |
| Pura Vida Global CIC | Education | 2025 |
| Purchase Destiny Holdings (UK) Limited | Extraterritorial | 2017 |
| Purchase Holdings (UK) Limited | Extraterritorial | 2017 |
| Pure Accounting Solutions Ltd | Professional & scientific | 2018 |
| Pure Ayura Ltd | Wholesale & retail | 2023 |
| Pure Coin Limited | Wholesale & retail | 2019 |
| Pure Currencies Ltd | Professional & scientific | 2021 |
| Pure Decor Ltd | Professional & scientific | 2026 |
| Pure DEV Ltd | Information & communication | 2021 |
| Pure Driving Ltd | Wholesale & retail | 2014 |
| Pure Eline Limited | Wholesale & retail | 2024 |
| Pure Financial Services Limited | Financial services | 2005 |
| Pure MR Properties Ltd | Real estate | 2024 |
| Pure Optics Ltd | Manufacturing | 2007 |
| Pure PR and Marketing Ltd | Hospitality | 2012 |
| Pure Touch Ltd | Administrative & support | 2021 |
| Pure Tuning Ltd | Wholesale & retail | 2021 |
| Pure-D Shine Ltd | Other services | 2019 |
| Purean Solutions and Technology Ltd | Information & communication | 2018 |
| Pureaura Cleaning Services Ltd | Administrative & support | 2026 |
| Purebase Limited | Administrative & support | 1997 |
| Puredent Ltd | Health & social care | 2023 |
| Pureflow Proeprty & Supply Ltd | Real estate | 2026 |
| Pureone Ltd | Information & communication | 2021 |
| Purepath Advisory Ltd | Professional & scientific | 2024 |
| Puresteam UK Ltd | Wholesale & retail | 2025 |
| Purity Aesthetics Ltd | Other services | 2022 |
| Purple BID Limited | Professional & scientific | 2017 |
| Purple Bricks Ltd | Real estate | 2026 |
| Purple Cat Events Ltd | Professional & scientific | 2025 |
| Purple Cogs Limited | Information & communication | 2023 |
| Purple Coral Limited | Information & communication | 2001 |
| Purple Gorilla Social Media Management Ltd | Professional & scientific | 2019 |
| Purple JAM Creative Ltd | Professional & scientific | 2025 |
| Purple Monkey Pink Banana Limited | Administrative & support | 2019 |
| Purple Rainbow Limited | Real estate | 2012 |
| Purple RAY Ltd | Health & social care | 2021 |
| Purple Sector Housing Ltd | Transport & logistics | 2025 |
| Purple Wall Ltd | Arts & recreation | 2013 |
| Purposeful Change Ltd | Other services | 2015 |