| PEA Ventures Ltd | Real estate | 2024 |
| Peabody 13 Ltd | Transport & logistics | 2020 |
| Peace Auto Trader Ltd | Wholesale & retail | 2025 |
| Peace Care Services Ltd. | Health & social care | 2020 |
| Peace Staffing Services Ltd | Wholesale & retail | 2024 |
| Peach Wealth Management Limited | Administrative & support | 2017 |
| Peachy Games Ltd | Information & communication | 2025 |
| Peacock Engineering Consultants Ltd | Professional & scientific | 2007 |
| Peak Governance Business Advisors Ltd | Professional & scientific | 2017 |
| Peak Solutions (UK) Limited | Professional & scientific | 2006 |
| Peakcliff Limited | Information & communication | 2013 |
| Peaktipis Limited | Administrative & support | 2011 |
| Peakwork Limited | Extraterritorial | 2013 |
| Peanut Butter Productions Limited | Information & communication | 2015 |
| Pearce & SON Holdings Limited | Administrative & support | 2007 |
| Pearce Sound & Lighting Limited | Arts & recreation | 1990 |
| Pearl Achievement Consultant Limited | Information & communication | 2016 |
| Pearl Control Systems Group Ltd | Real estate | 2024 |
| Pearl Control Systems Limited | Information & communication | 2017 |
| Pearl Executive Travel Ltd | Transport & logistics | 2026 |
| Pearl Hotel Ltd | Hospitality | 2021 |
| Pearl the SE CIC | Public administration | 2022 |
| Pearl Ways Ltd | Transport & logistics | 2026 |
| Peas Property Holdings Limited | Real estate | 2024 |
| Peasgood (Langtoft) Limited | Agriculture & fishing | 2009 |
| Peasol Ltd | Wholesale & retail | 2015 |
| Pebble & FIG Consulting Limited | Professional & scientific | 2025 |
| Pebble Communications Limited | Professional & scientific | 2013 |
| Pebble Land Consultants Ltd | Construction | 2023 |
| Peckish Brothers Ltd | Manufacturing | 2025 |
| Pedal Pawn Ltd | Wholesale & retail | 2019 |
| Pedicure Manicure Ltd | Wholesale & retail | 2024 |
| Peeek Education and Training Limited | Education | 2021 |
| Peek Studios Ltd. | Information & communication | 2021 |
| Peekas Ltd | Transport & logistics | 2020 |
| Peekunia Ltd | Real estate | 2021 |
| Pegasus Property Group Developments Limited | Construction | 2016 |
| Pegasus Property Group Limited | Financial services | 2016 |
| Pegasus Residential Limited | Real estate | 2017 |
| Peksxpress Ltd | Transport & logistics | 2026 |
| Pelin Trans Ltd | Administrative & support | 2020 |
| Pell & Baldwin (Fabrications) Limited | Manufacturing | 1977 |
| Pell Group Limited | Financial services | 2018 |
| Pen-Y-Lan Court Residents Company Limited | Households | 2002 |
| Penielfields Limited | Health & social care | 2023 |
| Penlan Medical Limited | Wholesale & retail | 2004 |
| Penlington's Limited | Wholesale & retail | 2025 |
| Penn Consulting Solutions Limited | Professional & scientific | 2015 |
| Pennan Properties Limited | Real estate | 2013 |
| Pennell & Partners Ltd | Real estate | 2004 |
| Penny Hill Management Company Limited | Real estate | 2022 |
| Penny Marie Nail and Beauty Academy Ltd | Other services | 2021 |
| Penny’S Handmade Emporium Ltd | Wholesale & retail | 2024 |
| Pensamos Limited | Administrative & support | 2003 |
| Pensions.Network Ltd | Extraterritorial | 2024 |
| Penta Residences Ltd | Real estate | 2022 |
| Penta Squad Limited | Wholesale & retail | 2021 |
| Pentakin Ltd | Administrative & support | 2026 |
| Peoney Ltd | Hospitality | 2020 |
| Peony Wood Company Limited | Hospitality | 2024 |
| People & Scale Ltd | Professional & scientific | 2026 |
| People 1ST Property Ltd | Real estate | 2025 |
| People Dynasty Ltd | Administrative & support | 2025 |
| People Hero's Limited | Manufacturing | 2020 |
| People, Process and Performance Ltd | Professional & scientific | 2023 |
| PEOPLE2PEOPLE Recruitment (UK) Limited | Administrative & support | 2022 |
| Peoplehr Limited | Professional & scientific | 2010 |
| PEP Security Limited | Administrative & support | 2025 |
| Peppermint Cafe Ltd | Hospitality | 2026 |
| Peppermint Panda (Holdings) Ltd | Financial services | 2024 |
| Peppermint Panda Education Ltd | Education | 2026 |
| Peppermint Panda Limited | Real estate | 2022 |
| Peppermint Panda Proprentals Ltd | Real estate | 2024 |
| Peppermint Panda Propsourc Ltd | Administrative & support | 2024 |
| Peral Estates Limited | Real estate | 2025 |
| Peral Support Services Ltd | Administrative & support | 2020 |
| Perfect 32 Healthcare Limited | Health & social care | 2010 |
| Perfect Boats Marine Limited | Manufacturing | 2023 |
| Perfect Drainage Solutions Ltd | Water & waste | 2023 |
| Perfect Fit Mortgages Ltd | Financial services | 2024 |
| Perfect Tailoring Ltd | Other services | 2020 |
| Performa Motors Ltd | Wholesale & retail | 2023 |
| Performance Car Specialists Ltd | Wholesale & retail | 2021 |
| Performance Classic and Custom Ltd | Wholesale & retail | 2014 |
| Performance Remap Specialists Ltd | Wholesale & retail | 2025 |
| Performante Competitions Ltd | Wholesale & retail | 2025 |
| Perfume Life Ltd | Wholesale & retail | 2016 |
| Pergoland Ltd | Wholesale & retail | 2022 |
| Period Properties (Holdings) Ltd | Financial services | 2025 |
| Period Properties (Lettings) Limited | Real estate | 2025 |
| Period Properties (SA) Limited | Hospitality | 2026 |
| Perissos Digital Ltd | Information & communication | 2022 |
| Perkins Engines Company Limited | Manufacturing | 1987 |
| Perkins Engines Group Limited | Extraterritorial | 1963 |
| Perkins Group Limited | Professional & scientific | 1989 |
| Perkins Holdings Limited | Administrative & support | 1952 |
| Perkins Limited | Extraterritorial | 1959 |
| Perkins Small Engines Limited | Extraterritorial | 1994 |
| Permaflat Flooring Systems Ltd | Construction | 2012 |
| Permedica UK Limited | Health & social care | 2023 |