| Prestige Occasions (Events) Ltd | Hospitality | 2015 |
| Prestige X London Ltd | Wholesale & retail | 2023 |
| Prestigious Cars Ltd | Wholesale & retail | 2017 |
| Presto Italian Ltd | Hospitality | 2020 |
| Prestwood Solutions Limited | Professional & scientific | 2006 |
| Price-Right (Home) Limited | Professional & scientific | 2004 |
| Pride of Punjab Ltd | Hospitality | 2023 |
| Prikshit Ltd | Transport & logistics | 2025 |
| Prilok Venturez Ltd | Wholesale & retail | 2026 |
| Prima Associates Ltd | Financial services | 2003 |
| Primary Days Tuition Limited | Education | 2025 |
| Prime Horizon Retail Limited | Wholesale & retail | 2025 |
| Prime Red Ltd | Manufacturing | 2011 |
| Prime Residential Group Limited | Administrative & support | 2025 |
| Prime Skills Academy Ltd | Education | 2025 |
| Prime Teaching Group Ltd | Education | 2023 |
| Prime Time Properties Management Ltd | Real estate | 2019 |
| Prime-A-Pump Limited | Wholesale & retail | 2001 |
| Primrose Nursery Limited | Wholesale & retail | 2004 |
| Principle Affairs Limited | Administrative & support | 2005 |
| Print and Deliver Limited | Administrative & support | 2010 |
| Print Smart Limited | Manufacturing | 2019 |
| Printique Limited | Administrative & support | 1999 |
| Printique Management Limited | Administrative & support | 2015 |
| Priors Advisory Ltd | Information & communication | 2026 |
| Prishav Ltd | Financial services | 2026 |
| Pro Co Construction Ltd | Construction | 2025 |
| Pro Teeth Whitening Co Limited | Wholesale & retail | 2015 |
| Pro-Decor Kandar Limited | Construction | 2013 |
| Pro-Logistics (South East) Limited | Water & waste | 2015 |
| Pro-Weld Engineering Ltd | Manufacturing | 2019 |
| Proauto Tech Ltd | Information & communication | 2019 |
| Procap Limited | Financial services | 2025 |
| Procurenet Limited | Information & communication | 2022 |
| Proddow Projects Limited | Professional & scientific | 2020 |
| Prodigio Design Limited | Administrative & support | 2008 |
| Prodigio Digital Limited | Professional & scientific | 2020 |
| Prodigy Data Limited | Information & communication | 2024 |
| Produal UK Limited | Wholesale & retail | 2003 |
| Products by ECJ Limited | Wholesale & retail | 2023 |
| Professional Recovery Operators Federation Limited | Other services | 2019 |
| Profiling for Success Limited | Professional & scientific | 2003 |
| Progress Consultants Limited | Information & communication | 2010 |
| Prohealthagency Ltd | Health & social care | 2023 |
| PROHEAT247 Ltd | Construction | 2021 |
| Project Environmental Ltd | Professional & scientific | 2021 |
| Project Four Limited | Administrative & support | 2004 |
| Projects Management Network Limited | Professional & scientific | 1995 |
| Prometheus Fundraising Limited | Professional & scientific | 2024 |
| Promittere Limited | Information & communication | 2004 |
| Promon-Logicalis Latin America Limited | Information & communication | 2002 |
| Prompt Care Services Ltd | Health & social care | 2021 |
| Propay Accounting Limited | Professional & scientific | 2025 |
| Propbarks Properties Ltd | Real estate | 2021 |
| Property Films Limited | Information & communication | 2020 |
| Property Reports One Ltd | Construction | 2015 |
| Proprops Limited | Real estate | 2025 |
| Propshoots Services Ltd | Real estate | 2016 |
| Prospect & Protocol Ltd. | Mining & quarrying | 2012 |
| Prospectforge Ltd | Professional & scientific | 2026 |
| Prosper Alpha Investment Ltd. | Real estate | 2013 |
| Prosper Investments Ltd | Real estate | 2013 |
| Prosperities Ltd | Real estate | 2025 |
| Prosperus Consultancy Ltd | Professional & scientific | 2019 |
| Proteam & Poollock Ltd | Professional & scientific | 2017 |
| Protean Wave Technology Limited | Administrative & support | 2013 |
| Protocol Distribution Limited | Construction | 1994 |
| Protransform Consultancy Limited | Information & communication | 2024 |
| Proudhon Limited | Real estate | 2019 |
| Providencee Ltd | Other services | 2016 |
| Prowess Limited | Professional & scientific | 1993 |
| Proxemic Limited | Professional & scientific | 2009 |
| PRS Courier Worldwide Ltd | Transport & logistics | 1989 |
| Prudent Security Services Ltd | Administrative & support | 2016 |
| PS Lidster Electrical Services Ltd | Construction | 2016 |
| PSM Consulting Services Limited | Information & communication | 2023 |
| PSS Solutions Ltd | Information & communication | 2007 |
| PT Motivators Limited | Education | 2017 |
| PTJ Europe Limited | Administrative & support | 2014 |
| Pukka 1 Ltd. | Construction | 2010 |
| Pulsant Acquisitions Limited | Information & communication | 2014 |
| Pulsant Bidco Limited | Information & communication | 2010 |
| Pulsant Data MK Limited | Extraterritorial | 2008 |
| Pulsant Data Services Limited | Extraterritorial | 2006 |
| Pulsant DCS Ltd | Information & communication | 2024 |
| Pulsant Facilities Limited | Extraterritorial | 2006 |
| Pulsant Group Holdings Limited | Financial services | 2014 |
| Pulsant Group Limited | Administrative & support | 2014 |
| Pulsant Intermediate Limited | Extraterritorial | 2008 |
| Pulsant Limited | Information & communication | 1998 |
| Pulsant Midco 1 Limited | Administrative & support | 2010 |
| Pulsant Midco 2 Limited | Administrative & support | 2010 |
| Pulsant Parent Limited | Administrative & support | 2014 |
| Pulsant Shared Services Limited | Extraterritorial | 2008 |
| Pulsant Topco Limited | Professional & scientific | 2010 |
| Pumpmaster Concrete Pumping Limited | Construction | 1994 |
| PUP UP Cafe Limited | Arts & recreation | 2019 |
| Purani Delhi Junction Ltd | Hospitality | 2019 |
| Purcell Property Maintenance Ltd | Administrative & support | 2024 |
| Pure Image Productions Limited | Information & communication | 2024 |