| Oxin Cycling Ltd | Manufacturing | 2026 |
| P Goodlace of Ramsgate Properties Limited | Construction | 2013 |
| P J L Electrical Limited | Construction | 2009 |
| P S Clarke Ltd | Information & communication | 2025 |
| Paarl Homes Woodland Way Limited | Construction | 2021 |
| Pace Invest Ltd | Financial services | 2017 |
| Padel Home Ltd | Manufacturing | 2012 |
| Page Outsourcing UK Limited | Administrative & support | 2021 |
| Page Partnership Limited(The) | Administrative & support | 1982 |
| Page Personnel (UK) Limited | Administrative & support | 1991 |
| Pagegroup PLC | Professional & scientific | 1997 |
| Palazzo Design Limited | Construction | 2020 |
| Palm One Limited | Financial services | 2019 |
| Pama Carpentry and Joinery Ltd | Construction | 2014 |
| Panoramic View Limited | Wholesale & retail | 1995 |
| Park Central Management (Central Plaza) Limited | Households | 2008 |
| Park Central Management (Zone 11) Limited | Households | 2005 |
| Park Central Management (Zone 12) Limited | Households | 2004 |
| Park Central Management (Zone 1A North) Limited | Households | 2003 |
| Park Central Management (Zone 1A South) Limited | Households | 2004 |
| Park Central Management (Zone 1B) Limited | Households | 2005 |
| Park Central Management (Zone 3/1) Limited | Households | 2003 |
| Park Central Management (Zone 3/2) Limited | Households | 2003 |
| Park Central Management (Zone 3/3) Limited | Households | 2003 |
| Park Central Management (Zone 3/4) Limited | Households | 2003 |
| Park Central Management (Zone 4/41 & 42) Limited | Households | 2005 |
| Park Central Management (Zone 4/43/44) Limited | Households | 2009 |
| Park Central Management (Zone 5/53) Limited | Households | 2005 |
| Park Central Management (Zone 5/54) Limited | Households | 2006 |
| Park Central Management (Zone 5/55) Limited | Households | 2006 |
| Park Central Management (Zone 6/61-64) Limited | Households | 2007 |
| Park Central Management (Zone 7/9) Limited | Households | 2005 |
| Park Central Management (Zone 8) Limited | Households | 2006 |
| Park Central Management (Zone 9/91) Limited | Households | 2009 |
| Park Lane Design & Build Limited | Construction | 2023 |
| Park West Management Services Limited | Construction | 1993 |
| Parkhill Investments (South East) Ltd | Real estate | 2020 |
| Parkview Projects Limited | Construction | 2017 |
| PAS and POS Ltd | Public administration | 2025 |
| Patrick Corp Limited | Financial services | 2021 |
| Pattom Properties Limited | Real estate | 2017 |
| Paul Sansom TV Ltd | Information & communication | 2020 |
| Paulo Silva Transport Ltd. | Administrative & support | 2017 |
| PB Joinery Ltd | Manufacturing | 2023 |
| Peach and Pigment Ltd | Other services | 2026 |
| Peake Place (New HAW) Residents Association Limited | Households | 2016 |
| Penico Ltd | Wholesale & retail | 2024 |
| Pepper Solutions Ltd | Health & social care | 2016 |
| Perfect Performance Training Limited | Professional & scientific | 2009 |
| Perfect Valet Limited | Administrative & support | 2001 |
| Peridot Homes Ltd | Real estate | 2022 |
| Perrybrook Apartments (Gloucester) Management Company Limited | Professional & scientific | 2024 |
| Perth Rentals Limited | Hospitality | 2025 |
| Peter Dodd Consulting Limited | Professional & scientific | 2019 |
| Peter Michelle Gardening Limited | Administrative & support | 2012 |
| Petraru Developments Limited | Administrative & support | 2024 |
| Petrogeo Limited | Professional & scientific | 2023 |
| Pharmedex Healthcare Limited | Wholesale & retail | 2019 |
| Phil Wright Sound Limited | Information & communication | 2012 |
| Phillips Coulon Associates Ltd | Professional & scientific | 2009 |
| Phoenix Rising Psychotherapy Ltd | Education | 2025 |
| Physiozen Ltd | Health & social care | 2022 |
| Picture Perfect by Lauren Ltd | Extraterritorial | 2018 |
| Pilates Body Centre Limited | Arts & recreation | 2016 |
| Pinebird Ventures Limited | Health & social care | 1993 |
| Pinewood Cattery (Woking) Limited | Other services | 2020 |
| Pinewood Drive (New HAW) Management Limited | Households | 2008 |
| Pinoy Fiesta R&G Events and Catering Ltd | Hospitality | 2026 |
| Pixoraecom Ltd | Wholesale & retail | 2025 |
| PJ Real Estate Ltd | Real estate | 2018 |
| PJB Carpentry & Building Contractors Limited | Manufacturing | 2025 |
| Plane Truth Limited | Professional & scientific | 2021 |
| Playball Bracknell Limited | Education | 2023 |
| Playball Camberley Limited | Education | 2022 |
| Playball Woking Limited | Education | 2025 |
| Playgolf Abbey Moor Ltd | Arts & recreation | 2015 |
| Playgolf Academy Limited | Arts & recreation | 2010 |
| Playgolf Colchester Limited | Arts & recreation | 2010 |
| Plumbcare Limited | Administrative & support | 2017 |
| PM Homes Ltd | Construction | 2008 |
| PMR Accounting Ltd | Professional & scientific | 2020 |
| Pointscape Ltd. | Real estate | 2019 |
| Polaris Music Limited | Arts & recreation | 2015 |
| Political Networks Limited | Information & communication | 2003 |
| Polybulk Limited | Extraterritorial | 1959 |
| Pope & Fallon Property Limited | Real estate | 2019 |
| Portfolio Heritage Ltd | Administrative & support | 2016 |
| Poseidon Aquatic Resource Management Ltd. | Agriculture & fishing | 2001 |
| Positive Pricing Limited | Professional & scientific | 2018 |
| Possible Media Services Ltd | Information & communication | 2011 |
| Powersound (UK) Limited | Administrative & support | 1990 |
| Premier Cooling Maintenance Limited | Construction | 1995 |
| Premier Cooling Services Ltd | Energy | 1995 |
| Premier Cuts Limited | Other services | 2022 |
| Premier Mechanical Services Ltd | Professional & scientific | 1995 |
| Prestige Investigations Limited | Administrative & support | 2017 |
| Prime Serviced Apartments Limited | Other services | 2023 |
| Primeclean Carpet Care Limited | Administrative & support | 2026 |
| Primrose Garden Services Surrey Limited | Extraterritorial | 2016 |
| Print Finishing International Limited | Extraterritorial | 1974 |