| Papaco Limited | Professional & scientific | 2022 |
| Paper Cafe Limited | Manufacturing | 2001 |
| Paper Design Group Ltd | Information & communication | 2019 |
| Park Grove Mortgages Limited | Financial services | 2005 |
| Park ROW (Leeds) Management Services Limited | Households | 2002 |
| Parker Gardens Residents Management Company Ltd | Households | 2014 |
| Parkers Court Management Limited | Households | 2015 |
| Parkland Place (New Milton) Management Company Limited | Households | 2001 |
| Parklands Management (Cleckheaton) Limited | Households | 2004 |
| Parkside Court Management Limited | Households | 2000 |
| Patel Pubco (Mudeford) Ltd | Real estate | 2026 |
| Patel Pubco (the Mayflower) Ltd | Hospitality | 2021 |
| Payne's Corner Residents Management Company Limited | Households | 2014 |
| PB Patents Limited | Professional & scientific | 2013 |
| Pease Pottage Yard Limited | Construction | 2026 |
| Pegasus House Management Company Limited | Households | 1981 |
| PEN Craig (Branksome Park) Limited | Households | 1984 |
| Penrose Design Ltd | Professional & scientific | 2024 |
| Penrose Property Ltd | Real estate | 2023 |
| Pertinent Digital Solutions Ltd | Information & communication | 2025 |
| Peterhurst Holdings Limited | Administrative & support | 2014 |
| Pewter Court (RMC) Limited | Extraterritorial | 2002 |
| PG London Trading Limited | Professional & scientific | 2012 |
| PGT Projects Limited | Information & communication | 2019 |
| Pharma KPO Limited | Administrative & support | 2011 |
| Pharma Resource Ltd | Professional & scientific | 2016 |
| Phil Jones Computers Ltd | Information & communication | 2012 |
| Phone Case Limited | Wholesale & retail | 2023 |
| Piazza RTM Company Limited | Extraterritorial | 2004 |
| PIC This Productions Ltd | Information & communication | 2020 |
| Pickleback Ltd | Financial services | 2025 |
| Piermont House (Beckenham) Management Company Limited | Households | 2012 |
| Pilot PEN Company (U.K.) Limited(The) | Wholesale & retail | 1979 |
| Pimpmyfence Ltd | Other services | 2021 |
| Pinions Management Association Limited | Households | 1991 |
| Pinner Property Investments & Developments Ltd | Real estate | 2011 |
| Pipeline Supplies Ltd | Wholesale & retail | 2013 |
| Pippins Road Management Ltd | Households | 2018 |
| Piranha Sports Limited | Wholesale & retail | 2009 |
| Pjamas Limited | Real estate | 2016 |
| Plaza Bidco Limited | Financial services | 2022 |
| Plaza Holdco Limited | Financial services | 2022 |
| Plaza Midco Limited | Financial services | 2022 |
| Plaza Topco Limited | Financial services | 2022 |
| Plenarius Design Ltd | Professional & scientific | 2016 |
| Plum Shrub Ltd | Real estate | 2024 |
| Plus Two Limited | Information & communication | 2000 |
| PM Yorkshire Ltd | Financial services | 2019 |
| PMC Consultancy Solutions Ltd | Construction | 2023 |
| PMK Projects Ltd | Professional & scientific | 2017 |
| Pobek Ltd | Professional & scientific | 2021 |
| Polytint Cards Limited | Wholesale & retail | 1976 |
| Pooch Paddle and Pamper Limited | Other services | 2021 |
| Populus Media Ltd | Professional & scientific | 2004 |
| Portesbery Square (Camberley) Management Company Limited | Households | 2016 |
| Portfolio Property and Developments (Colchester) Ltd | Real estate | 2006 |
| Power Treasury Solutions Ltd | Professional & scientific | 2009 |
| Poxa Ltd | Information & communication | 2023 |
| Prerolla Investments Ltd | Real estate | 2019 |
| Prerolla Ltd | Professional & scientific | 2010 |
| Pressure Direct Limited | Extraterritorial | 2009 |
| Prime World Property Ltd | Information & communication | 2005 |
| Primrose House Care Home Limited | Health & social care | 2013 |
| Princes Court (Weybridge) Management Company Limited | Households | 1981 |
| PRINCIPLE3 Limited | Administrative & support | 1999 |
| Printing & Graphic Machinery Holdings Limited | Manufacturing | 2006 |
| Profectus Capital Partners Ltd | Professional & scientific | 2024 |
| Project Melon Limited | Real estate | 2006 |
| Proposal Mojo Ltd | Information & communication | 2020 |
| Prospect Number Two Limited | Extraterritorial | 2014 |
| Proud Mary Pizza Ltd | Hospitality | 2025 |
| Psion Holdings Limited | Manufacturing | 1980 |
| PW Franchising Limited | Wholesale & retail | 2011 |
| Pyramid Court (Kingston-Upon-Thames) Management Company Limited | Households | 2003 |
| Q Park (Dartford) Management Company Limited | Households | 2013 |
| Q1 Professional Services Limited | Professional & scientific | 2010 |
| QE Park Residents Management Company Limited | Households | 2002 |
| Quad Investments Ltd | Construction | 2024 |
| Quay Point Poole Management Limited | Households | 1988 |
| Questbound Studios Ltd | Wholesale & retail | 2025 |
| Quinns Place (Guildford) Management Company Limited | Households | 2015 |
| Quirkey Donna Floating Holidays Limited | Other services | 2025 |
| R & C Plastics Ltd | Manufacturing | 2024 |
| R G Evans (Plumbing & Heating) Limited | Construction | 1992 |
| R G Evans Holdings Limited | Professional & scientific | 1970 |
| R.& R.Russell(Investments)Limited | Real estate | 1957 |
| RA Strategy & Insight Consulting Limited | Information & communication | 2026 |
| Radcliffe Group Ltd | Information & communication | 2018 |
| Radcliffe Medical Education Ltd | Professional & scientific | 2015 |
| Radcliffe Medical Media Ltd | Information & communication | 2013 |
| Radiance Style Ltd | Other services | 2026 |
| Rahimian Property Holdings LLP | | 2026 |
| Rail Planning Services Ltd | Other services | 2017 |
| Rango Limited | Information & communication | 2014 |
| Raphael Court Management (2006) Ltd | Households | 2006 |
| Rare Maps and Prints Ltd | Wholesale & retail | 2018 |
| Ravenswood Court Residents Company Limited | Households | 1982 |
| Raylane Management Limited | Households | 2018 |
| Raymond Avenue (Freehold) Limited | Real estate | 2005 |
| RCG Properties Ltd | Construction | 2020 |