| Plantwork Systems Ltd | Water & waste | 2010 |
| Play Beyond CIC | Health & social care | 2024 |
| PLR Holdings Ltd | Administrative & support | 2021 |
| Plumbnet Limited | Wholesale & retail | 2012 |
| Plush Broadband Ltd | Information & communication | 2026 |
| PM Asset Management (Fund IV) Limited | Financial services | 2009 |
| PM Asset Management (Fund V) Limited | Professional & scientific | 2010 |
| PM Asset Management Limited | Real estate | 2008 |
| Pmartyn Co Ltd | Construction | 2025 |
| Pmll Asset Management Limited | Financial services | 2014 |
| PMS (Alton) Limited | Administrative & support | 2026 |
| Pmsw SGE LLP | | 2023 |
| PMW Dynamics Limited | Manufacturing | 2009 |
| Podium Partnerships Ltd | Professional & scientific | 2024 |
| Pogles' Enterprises Limited | Professional & scientific | 2015 |
| Poise Infotech Limited | Information & communication | 2008 |
| Polat Carpentry & Building Ltd | Construction | 2023 |
| Ponkinori Ltd | Professional & scientific | 2023 |
| Poole (T) Hairdressing Limited | Other services | 2001 |
| Portable Facilities (U.K.) Limited | Other services | 2001 |
| Positive Delivery Solutions Limited | Professional & scientific | 2012 |
| Positive Evolution Limited | Education | 2026 |
| Poulson Enterprises Ltd | Professional & scientific | 2025 |
| Pound Farm Management Ltd. | Households | 1996 |
| Pound Lane Freehold Ltd | Households | 2019 |
| Power Dynamics Ltd | Information & communication | 2019 |
| Powerball Distribution Limited | Other services | 2019 |
| Powerball Facilities Limited | Other services | 2020 |
| Powerball Limited | Other services | 1994 |
| Powerball Outdoor Activities Limited | Arts & recreation | 2013 |
| Powntley Copse Limited | Administrative & support | 1941 |
| PP Ventures (International) Ltd | Professional & scientific | 2016 |
| Practical Medical Solutions Ltd | Professional & scientific | 2025 |
| Practical Partners Ltd | Professional & scientific | 2010 |
| Premier Lasertube Ltd | Manufacturing | 2013 |
| Pretty IT Picnics Ltd | Hospitality | 2024 |
| Prime Property Endeavours Limited | Construction | 2022 |
| Prime Vault Ventures Ltd | Financial services | 2026 |
| Printmax Limited | Administrative & support | 2011 |
| Prism Analytics Ltd | Information & communication | 2013 |
| Prismatic Ltd | Professional & scientific | 2011 |
| Pritchards Bodyshop Ltd | Wholesale & retail | 2021 |
| Pritchards Garage Limited | Wholesale & retail | 2002 |
| Privett Church Barns Residents Association Limited | Households | 1999 |
| Pro Mech Limited | Administrative & support | 1990 |
| Pro-Active Management Services Limited | Professional & scientific | 2001 |
| Proactive Automotive Limited | Wholesale & retail | 2017 |
| Proactive People HR Limited | Professional & scientific | 2020 |
| Proclean Contract Services Ltd | Administrative & support | 2025 |
| Prodigi (UK) Ltd | Manufacturing | 2014 |
| Prodigi Global Limited | Manufacturing | 2022 |
| Prodigi Group Limited | Financial services | 2017 |
| Prodigi Platforms Ltd | Manufacturing | 2014 |
| Profound Source Ltd | Professional & scientific | 2012 |
| Promow Landscapes Limited | Other services | 1993 |
| Promowise Ltd | Professional & scientific | 2025 |
| Promptiq Ltd | Information & communication | 2025 |
| Propensive Ltd | Information & communication | 2009 |
| Properties in Partnership Limited | Real estate | 2012 |
| Propertytek Ltd | Real estate | 2024 |
| Protection Through Knowledge Ltd | Real estate | 2004 |
| Proteus Business Solutions Limited | Information & communication | 2009 |
| Providence Place Estate Limited | Real estate | 2026 |
| PSC Electrics Ltd | Construction | 2009 |
| PSP Consultants LLP | | 2017 |
| Pure & Simple Property Ltd | Real estate | 2023 |
| Pure Air Technology Limited | Professional & scientific | 2004 |
| Pure Logic Limited | Information & communication | 1995 |
| Putney (T) Hairdressing Limited | Other services | 1998 |
| PW Property & Project Management Limited | Real estate | 2023 |
| Pwinty Limited | Manufacturing | 2013 |
| Pyramid Limited | Wholesale & retail | 1994 |
| Pyrite Management Ltd | Real estate | 2019 |
| Q Pootle 5 Limited | Information & communication | 2011 |
| Quadalpha Limited | Arts & recreation | 2016 |
| Quamea Limited | Real estate | 1999 |
| Queens Court (Gillingham) Residents Limited | Households | 2001 |
| Quercus Rubra Limited | Financial services | 2021 |
| Quest USA Corp Limited | Wholesale & retail | 2021 |
| Quinessence Aromatherapy Limited | Wholesale & retail | 2002 |
| Quissanga Limited | Construction | 2007 |
| Quizzical Aire Limited | Professional & scientific | 2011 |
| Qwirky Women Limited | Wholesale & retail | 2006 |
| R & P Business Consulting Limited | Professional & scientific | 2018 |
| R & R Leisure Management Limited | Hospitality | 2005 |
| R Beere & Sons Builders` Limited | Construction | 2001 |
| R Beere & Sons Developers Limited | Extraterritorial | 2013 |
| R F Logic Limited | Professional & scientific | 1992 |
| R J Squires Ltd | Administrative & support | 2007 |
| R K Precision Limited | Administrative & support | 2009 |
| R Seaby Limited | Construction | 2013 |
| R Varley Training Limited | Information & communication | 2008 |
| R Wilson & Co Builders and Contractors Limited | Construction | 2005 |
| R&G Racing Limited | Wholesale & retail | 2015 |
| R.Bunce Ltd | Administrative & support | 2025 |
| R.C.D. Hoare (Selborne) Limited | Administrative & support | 1981 |
| R.C.R. Electrical Limited | Construction | 2006 |
| R.W. Smith (Surrey) Limited | Construction | 2002 |
| RA Holdings (Hampshire) Ltd | Financial services | 2021 |
| RAB Specialist Engineers Limited | Professional & scientific | 2013 |