| Peartree Asset Management Limited | Professional & scientific | 2006 |
| Peartree Cleaning Services Holdings Limited | Administrative & support | 2013 |
| Peartree Cleaning Services Limited | Other services | 1986 |
| Peartree Village Management Limited | Households | 2013 |
| Pebble Forest Ltd | Administrative & support | 2024 |
| Pebble Media Productions Ltd | Information & communication | 2020 |
| Pecksniff's Bespoke Fragrances & Cosmetics Limited | Manufacturing | 1995 |
| Pecuniam Group Limited | Construction | 2017 |
| Ped's Pizza Warley Limited | Hospitality | 2025 |
| Pedley Road Limited | Real estate | 2021 |
| Pedn-Y-Ke Management Company Limited | Real estate | 2007 |
| Peeld Food Ltd. | Manufacturing | 2018 |
| Peely Pro Scaffolding Ltd | Construction | 2025 |
| Peet & Co Ltd | Construction | 2018 |
| Pegasus Dream UK Limited | Wholesale & retail | 2022 |
| Pegasus Support Services Limited | Administrative & support | 2015 |
| Pegasus Tech UK Limited | Wholesale & retail | 2025 |
| Pekin Chef Brentwood Ltd | Manufacturing | 2023 |
| Pelican Homes Limited | Real estate | 2000 |
| Pellicano Menswear Limited | Extraterritorial | 2012 |
| Peniel Joedan Limited | Health & social care | 2014 |
| Peninsular Homes Ltd | Real estate | 2024 |
| Penlou Bournemouth Ltd | Hospitality | 2026 |
| Penny Black Gallery Ltd | Arts & recreation | 2018 |
| Penny Gaff House RTM Company Limited | Households | 2023 |
| Penrose Homes Limited | Construction | 2014 |
| Penrose Property Solutions Ltd | Real estate | 2025 |
| Penrose Residential Limited | Real estate | 2021 |
| Pensar Property Management Limited | Real estate | 2016 |
| Pension Income Planning Holdings Limited | Financial services | 2020 |
| Pension Income Planning Limited | Financial services | 2015 |
| Penton & COX Limited | Hospitality | 2024 |
| Pentplace Limited | Professional & scientific | 1987 |
| Penzani Rentals Ltd | Real estate | 2025 |
| Pepper Fusion PVT Ltd | Hospitality | 2025 |
| Peppin Limited | Hospitality | 1999 |
| Perak Holdings Ltd | Real estate | 2024 |
| Perazim Properties Ltd | Real estate | 2025 |
| Perceval Decorative Ltd. | Manufacturing | 2013 |
| Percy Brown Limited | Construction | 2000 |
| Pereiracap Limited | Financial services | 2023 |
| Perfect Decorations Ltd | Administrative & support | 2015 |
| Perfect Mailing Company Limited(The) | Wholesale & retail | 1977 |
| Perfect Practice PPE Limited | Wholesale & retail | 2025 |
| Perkins Plumbing & Heating Solutions Ltd | Construction | 2022 |
| Perks Brothers Brentwood Ltd | Construction | 2015 |
| Permanent Make UP by Becky Limited | Other services | 2024 |
| Perry Macfarlane Limited | Construction | 2012 |
| Personal Finance Tools Ltd | Information & communication | 2026 |
| Personalised Printed Ribbons Ltd | Manufacturing | 2022 |
| Pertan Dagwood Limited | Real estate | 2019 |
| Pertan Investments Limited | Construction | 2016 |
| Pertan Residential Investments Limited | Extraterritorial | 2019 |
| Perun Games Studio Ltd | Information & communication | 2025 |
| Pesty Control Limited | Administrative & support | 2025 |
| Pet Spa Essex Ltd | Other services | 2019 |
| Petal's & Pearl's Limited | Wholesale & retail | 1997 |
| Pete Davies Limited | Information & communication | 2014 |
| Peter Apps Ltd | Real estate | 2019 |
| Peter Davis (Warley) Limited | Real estate | 1952 |
| Peter James Construction Ltd | Construction | 2025 |
| Peter Lipitch Limited | Wholesale & retail | 1963 |
| Pethen Consulting Ltd | Real estate | 2018 |
| Petooly Ltd | Extraterritorial | 2023 |
| PFG Financial Services Limited | Professional & scientific | 2012 |
| PFR Builders Limited | Construction | 2011 |
| Pgcl Ltd | Professional & scientific | 2022 |
| PGF Enterprise Ltd | Real estate | 2025 |
| Pgfl Services Ltd | Extraterritorial | 2019 |
| PH Global Ltd | Water & waste | 2023 |
| Phanes Medical Ltd | Administrative & support | 2016 |
| Pharmacee Services Ltd | Wholesale & retail | 2010 |
| Pharmapds Limited | Professional & scientific | 2011 |
| Phil Day Ltd | Other services | 2016 |
| Philmech Ltd | Construction | 2016 |
| Phlc Ltd | Real estate | 2019 |
| Phoenix Digital Radio Limited | Information & communication | 2019 |
| Phoenix FM Limited | Information & communication | 2004 |
| Phoenix Gray Recruitment Limited | Administrative & support | 2018 |
| Phoenix Maxwell Global Limited | Information & communication | 2019 |
| Phoenix Product Management Ltd | Information & communication | 2026 |
| PHP and JF SPV Ltd | Real estate | 2021 |
| PHP and SD SPV Ltd | Real estate | 2022 |
| Phull Property Investments Limited | Real estate | 2001 |
| PHX Management Limited | Real estate | 2021 |
| Physio Vision Ltd | Other services | 2008 |
| PI Property Group Limited | Real estate | 2022 |
| PIC Assets Limited | Real estate | 2023 |
| PIC Construction Group Ltd | Construction | 2009 |
| PIC Façade Limited | Construction | 2023 |
| PIC Motors Ltd | Wholesale & retail | 2022 |
| Pick 'N' MIX Ltd. | Extraterritorial | 2017 |
| Pickett Properties Limited | Real estate | 2015 |
| Pickett's Home Rentals Ltd | Real estate | 2023 |
| Pickford Gate JV LLP | | 2024 |
| Picmore Construction Ltd | Construction | 2024 |
| Picmore Homes Ltd | Construction | 2024 |
| Picnic Studio Ltd | Information & communication | 2013 |
| Pier View House Management Limited | Households | 2020 |
| Pierrot Office Management Limited | Administrative & support | 2006 |