| Proper Guideline Limited | Information & communication | 2022 |
| Proper Pineapple Limited | Administrative & support | 2017 |
| Proper Props Limited | Information & communication | 2024 |
| Proper Stays Travel Ltd | Administrative & support | 2023 |
| Proper Street Food Ltd | Hospitality | 2023 |
| Properax Tech Ltd | Information & communication | 2026 |
| Properly London Hospitality Group Ltd | Hospitality | 2026 |
| Properly London Property Management Ltd | Households | 2026 |
| Properly London Property Services Ltd | Construction | 2026 |
| Properly London Real Estates Ltd | Real estate | 2026 |
| Propert Seers Limited | Information & communication | 2024 |
| Properties 28 Limited | Real estate | 2017 |
| Properties Agent Ltd | Real estate | 2013 |
| Properties Capital Investments Limited | Construction | 2024 |
| Properties Rental and Management Ltd | Real estate | 2025 |
| Property 42 Holdings Limited | Financial services | 2025 |
| Property Asset Capital Ltd | Professional & scientific | 2019 |
| Property Assist Ltd | Other services | 2011 |
| Property Books and Blooms Ltd | Professional & scientific | 2025 |
| Property Channel Limited | Real estate | 2007 |
| Property Column Ltd | Households | 2023 |
| Property Direct (Wales) Limited | Real estate | 2007 |
| Property Direct Lettings Ltd | Real estate | 2024 |
| Property Expert (Wales) Ltd | Real estate | 2014 |
| Property Holdings (Cardiff) Limited | Real estate | 2016 |
| Property Holdings GBR Ltd | Wholesale & retail | 2017 |
| Property Inventories by Monroe Michaels Ltd | Administrative & support | 2017 |
| Property Journal Limited | Real estate | 2014 |
| Property Law & Finance Ltd | Households | 2019 |
| Property Mail (Wales) Limited | Information & communication | 2014 |
| Property Maintenance 365 Ltd | Construction | 2021 |
| Property Mastery Academy Ltd | Education | 2013 |
| Property Matters Investment Experts Limited | Real estate | 2017 |
| Property NO18 Ltd | Hospitality | 2026 |
| Property One Management Ltd | Households | 2019 |
| Property Partners Developments Limited | Construction | 2023 |
| Property Partners Estate Agents Limited | Real estate | 2023 |
| Property Partners Services Limited | Real estate | 2017 |
| Property Priority Ltd | Real estate | 2026 |
| Property Problems Solved Limited | Real estate | 2019 |
| Property Provider Ltd | Information & communication | 2018 |
| Property Regulations Ltd | Real estate | 2010 |
| Property Renovation Services Limited | Other services | 2019 |
| Property Source Specialists Ltd | Real estate | 2018 |
| Property Sourcing Agency Ltd | Real estate | 2018 |
| Property Surveys & Services Ltd | Administrative & support | 2018 |
| Property Trek Ltd | Real estate | 2022 |
| Property UK 123 Ltd | Real estate | 2020 |
| Property Ventures Corporation Limited | Wholesale & retail | 2015 |
| Property Wealth Education Ltd | Professional & scientific | 2020 |
| PROPERTY84 Trading Ltd | Real estate | 2024 |
| PROPERTY888 Solutions Ltd | Real estate | 2016 |
| PROPERTY999 Ltd | Financial services | 2024 |
| Propertybydee Ltd | Hospitality | 2026 |
| Propertyclear Ltd | Transport & logistics | 2020 |
| Propertygoose Limited | Information & communication | 2025 |
| Propertyindex 2 Limited | Real estate | 2021 |
| Propertyindex 3 Ltd | Real estate | 2022 |
| Propertyindex 4 Ltd | Real estate | 2022 |
| Propertyindex Agency Ltd | Administrative & support | 2026 |
| Propertyindex Capital Limited | Financial services | 2019 |
| Propertyindex Construction Ltd | Construction | 2020 |
| Propertyindex Ltd | Real estate | 2012 |
| Propertyproworld Limited | Real estate | 2017 |
| Propertyresearchcompany.Com Limited | Real estate | 2014 |
| Propertyscape Limited | Real estate | 2024 |
| Propertyshopwales Ltd | Real estate | 2014 |
| Propertywithr Ltd | Real estate | 2025 |
| Propfinium UK Ltd | Other services | 2019 |
| Prophecy Group Holdings Ltd | Professional & scientific | 2022 |
| Prophotographic Ltd | Professional & scientific | 2012 |
| Propiteer 9 Limited | Real estate | 2018 |
| Propiteer Hotels Plymouth Limited | Hospitality | 2021 |
| Propiteer NXT Level Limited | Hospitality | 2019 |
| Propona Limited | Information & communication | 2001 |
| Propper Bargains Ltd | Wholesale & retail | 2026 |
| Propractices Advisory Limited | Administrative & support | 2023 |
| Propractices Limited | Administrative & support | 2023 |
| Proprint & Embroidery Limited | Manufacturing | 2019 |
| Proprio Ltd | Information & communication | 2022 |
| Propsion Limited | Information & communication | 2024 |
| Proptech Digital Ltd | Information & communication | 2025 |
| Proptech Renovations Limited | Construction | 2019 |
| Prorem Ltd | Construction | 2019 |
| Prorisk International Ltd | Administrative & support | 2012 |
| Pros Assist Manchester Ltd | Professional & scientific | 2018 |
| Proseal UK Limited | Manufacturing | 1998 |
| Prosecured Limited | Administrative & support | 2010 |
| Prosense AV Ltd | Information & communication | 2017 |
| Prosona Ltd | Information & communication | 2021 |
| Prosource 2000 Ltd | Wholesale & retail | 2025 |
| Prosource Elements Ltd | Wholesale & retail | 2018 |
| Prospa Ltd | Professional & scientific | 2025 |
| Prospect Admissions Ltd | Real estate | 2024 |
| Prospect One Developments Ltd | Construction | 2016 |
| Prospect Private Markets Limited | Information & communication | 2021 |
| Prospector Group Ltd | Hospitality | 2020 |
| Prospects Interiors Ltd | Construction | 2018 |
| Prospedis Limited | Transport & logistics | 2016 |
| Prosperis Recruitment Limited | Administrative & support | 2007 |