| Prime Global Datalytics Ltd | Professional & scientific | 2024 |
| Prime Imports/Exports L.P. | | 2011 |
| Prime Industrial Services L.P. | | 2010 |
| Prime Innovative Partners, LP | | 2016 |
| Prime Integrity & Engineering Solutions Ltd | Professional & scientific | 2023 |
| Prime International Trading LP | | 2016 |
| Prime Investments Europe L.P. | | 2009 |
| Prime Kingdom Limited | Manufacturing | 2023 |
| Prime London Residential Development Co-Investment GP LLP | | 2012 |
| Prime London Residential Development Co-Investment II GP LLP | | 2014 |
| Prime London Residential Development Co-Investment II LP | | 2014 |
| Prime London Residential Development Co-Investment LP | | 2012 |
| Prime Loop Retail Ltd | Wholesale & retail | 2025 |
| Prime Management Support L.P. | | 2011 |
| Prime Marketing Services L.P. | | 2012 |
| Prime Numbers Accountancy Services Limited | Professional & scientific | 2012 |
| Prime Numbers Consultancy Ltd | Professional & scientific | 2012 |
| Prime Physio Pilates Limited | Health & social care | 2021 |
| Prime Physiotherapy Holdings Limited | Financial services | 2021 |
| Prime Psychology Ltd | Health & social care | 2016 |
| Prime Real Estate Investments L.P. | | 2015 |
| Prime Rent LP | | 2017 |
| Prime Rentals Service & Sale Ltd | Wholesale & retail | 2023 |
| Prime Roof Repairs Ltd | Construction | 2025 |
| Prime Sales L.P. | | 2008 |
| Prime Scotland Limited | Hospitality | 2018 |
| Prime Services Worldwide L.P. | | 2014 |
| Prime Solutions Worldwide L.P. | | 2012 |
| Prime Spares Holdings Ltd | Real estate | 2025 |
| Prime Sports Physiotherapy Ltd | Health & social care | 2017 |
| Prime Steel Holding LP | | 2016 |
| Prime Tech Networking LP | | 2023 |
| Prime Technology Services L.P. | | 2012 |
| Prime Telecom Europe Limited | Wholesale & retail | 2016 |
| Prime Time Advertising LP | | 2018 |
| Prime Time Catering Limited | Hospitality | 2026 |
| Prime Torque Limited | Wholesale & retail | 2026 |
| Prime Trans LP | | 2014 |
| Primeco Business LP | | 2016 |
| Primecrest Property Group Ltd | Hospitality | 2026 |
| Primefix Repairs and Maintenance Ltd | Households | 2025 |
| Primegold Commercial L.P. | | 2015 |
| Primeland Trade L.P. | | 2012 |
| Primelee Marketing LP | | 2014 |
| Primeline Global L.P. | | 2016 |
| Primelink L.P. | | 2008 |
| Primelink Systems L.P. | | 2009 |
| Primelle Solutions LP | | 2015 |
| Primemax Trading L.P. | | 2010 |
| Primeo Ltd | Wholesale & retail | 2026 |
| Primepulse Productions Ltd | Extraterritorial | 2025 |
| Primequotient Properties Ltd | Wholesale & retail | 2024 |
| Primera Soft LP | | 2017 |
| Primerose Impex LP | | 2014 |
| Primescot Trade Limited | Wholesale & retail | 2025 |
| Primestar Associates LP | | 2016 |
| Primestone Holdings Limited | Real estate | 2024 |
| Primetop Resources LP | | 2014 |
| Primevoke Ltd | Wholesale & retail | 2025 |
| Primex Associates LP | | 2015 |
| Primex Capital LP | | 2012 |
| Primex Source LP | | 2016 |
| Primitive Media LLP | | 2008 |
| Primoteks Import LP | | 2012 |
| Primrose Adventure LP | | 2015 |
| Primrose Allied LP | | 2014 |
| Primrose Empire LP | | 2015 |
| Primrose Enterprise Group LP | | 2016 |
| Primrose Guest House Limited | Hospitality | 2001 |
| Primsedge Finance Ltd | Wholesale & retail | 2026 |
| Primus Commerce L.P. | | 2014 |
| Primus Real Estate UK Ltd | Real estate | 2009 |
| Princes Exchange (Nominees) Limited | Administrative & support | 2000 |
| Princes Exchange (Trustees) Limited | Administrative & support | 2000 |
| Princes Exchange Foundation | Administrative & support | 2000 |
| Princes Street Suites Limited | Hospitality | 2003 |
| Principal a Builders Ltd | Construction | 2024 |
| Principal Trading Hospitality Group Limited | Hospitality | 2024 |
| Principle and Commercial Energy Services Limited | Professional & scientific | 2016 |
| Principle Taxi Contracts Ltd | Transport & logistics | 2023 |
| Principled Investments Limited | Financial services | 2024 |
| Pringles Coach Park Limited | Other services | 2012 |
| Prinse Arch LP | | 2017 |
| Print and SEW Ltd | Manufacturing | 2025 |
| Print Office Ltd | Wholesale & retail | 2025 |
| Print Pixels Limited | Information & communication | 2017 |
| Print Point Carlisle Limited | Administrative & support | 2009 |
| Print Sleep Repeat Limited | Manufacturing | 2025 |
| Print Vision Ltd. | Manufacturing | 2003 |
| Printsponge (Stockbridge) Limited | Manufacturing | 2017 |
| Printsponge Limited | Manufacturing | 2013 |
| Prior Decisions LP | | 2017 |
| Priority Construction UK Limited | Construction | 2017 |
| Priority Drilling UK Limited | Other services | 1988 |
| Priority Scottish Limited Partnership | | 2005 |
| Priors Farmco (Holdings) Limited | Financial services | 2026 |
| Priors Farmco Limited | Financial services | 2026 |
| Priorsford Investments Limited | Financial services | 2021 |
| Priorsford Limited | Administrative & support | 2019 |
| Priortea Limited | Hospitality | 2017 |