| Palma Group Ltd | Administrative & support | 2011 |
| Panacea Security Services Ltd | Administrative & support | 2023 |
| Panacea Sustainable Development Limited | Professional & scientific | 2021 |
| Panda Daily Necessities Ltd | Extraterritorial | 2020 |
| Panda Hand Car Wash and Valeting Ltd | Transport & logistics | 2016 |
| Pandacloud Limited | Financial services | 2021 |
| Pandacoke Ltd | Manufacturing | 2023 |
| Pandora Kreations Ltd | Information & communication | 2025 |
| Pantera Motorcycle Co., Limited | Extraterritorial | 2007 |
| Paolo's Italian Kitchen 2020 Limited | Hospitality | 2020 |
| Papilio Beckenham Limited | Hospitality | 2020 |
| Papillon Investment Properties Limited | Real estate | 2003 |
| Paradigm Academic Press Limited | Information & communication | 2020 |
| Paradisespace UK Co., Ltd | Construction | 2021 |
| Parajohn International Ltd | Extraterritorial | 2016 |
| Parcom Ltd | Information & communication | 2024 |
| Paris Projects Ltd | Financial services | 2015 |
| Park Farm Residents Management Limited | Households | 1986 |
| Park Farm Trout Fishery Ltd | Arts & recreation | 2014 |
| Park Hill PL Limited | Construction | 2018 |
| Park Langley Business Solutions Limited | Professional & scientific | 2011 |
| Park View House Management Company Limited | Households | 2001 |
| Parkes Consulting Ltd | Professional & scientific | 2010 |
| Parklands (Beckenham) Residents Limited | Households | 1995 |
| Parklangley Freeholds Limited | Arts & recreation | 1952 |
| Parklangley Trading Ltd | Hospitality | 2016 |
| Parkmore Management Company Limited | Households | 1997 |
| Parkson International Trade Limited | Wholesale & retail | 2017 |
| Parksonda (UK) Ltd | Extraterritorial | 2020 |
| Parkwood & Vivian Court Management Ltd. | Real estate | 1997 |
| Parmead Ltd | Real estate | 2024 |
| Partner Connect Ltd | Information & communication | 2020 |
| Partner Learning Ltd | Education | 2019 |
| Partners in Potential Limited | Professional & scientific | 2024 |
| Party Costumes Ltd | Wholesale & retail | 1986 |
| Partywithbecs Ltd | Wholesale & retail | 2025 |
| Parvis Limited | Real estate | 1997 |
| Passen Pack Company Limited | Extraterritorial | 2016 |
| Passion Bakery Ltd | Manufacturing | 2016 |
| PAT Hutchins Estate Limited | Information & communication | 2022 |
| Patca Import and Export Co., Ltd | Extraterritorial | 2023 |
| Pathpoint Limited | Real estate | 2011 |
| Patrice Bellon Biotechnology Co., Ltd | Wholesale & retail | 2024 |
| Pattern Nutrition Ltd | Health & social care | 2023 |
| Patula Ltd | Professional & scientific | 2021 |
| Paul Carder Limited | Information & communication | 2017 |
| Paul Damany Management Limited | Real estate | 2006 |
| Paul Harrison Property Ltd | Real estate | 2025 |
| Paul Jesson & SON Ltd | Construction | 2021 |
| Paul Scott Refurbishment Limited | Construction | 2015 |
| Paula MAID2CLEAN Ltd | Administrative & support | 2025 |
| Paulius Fitness Ltd | Arts & recreation | 2021 |
| Pavely Court Limited | Professional & scientific | 2005 |
| Paveright Drives & Patios Ltd | Administrative & support | 2026 |
| Pawithida Wealthy UK Company Limited | Health & social care | 2025 |
| Paws 'N' Pigs Ltd | Wholesale & retail | 2023 |
| Paws-A-Minute Dog Walking Ltd | Other services | 2024 |
| PB Conferences Ltd | Professional & scientific | 2019 |
| PBW Logistics Limited | Transport & logistics | 2020 |
| PC Plus Limited | Information & communication | 1989 |
| Pccn International Co., Ltd | Extraterritorial | 2018 |
| PCK Khung Hydraulic Technology Ltd | Manufacturing | 2023 |
| PCM Glazing Limited | Construction | 2011 |
| PCT Properties Limited | Real estate | 2017 |
| PD Aspirer International Ltd. | Wholesale & retail | 2012 |
| PDL Electrical (London) Limited | Construction | 2018 |
| Peace & Transparent Limited | Professional & scientific | 2019 |
| Peace and Love Hospitality Ltd | Hospitality | 2025 |
| Peaceful Orient Shipping Co., Limited | Administrative & support | 2023 |
| Peak Cell Biolabs Ltd. | Manufacturing | 2025 |
| Peak-To-Peak Trading Limited | Extraterritorial | 2012 |
| Peaple Ltd | Administrative & support | 2023 |
| Pearl & Co Limited | Professional & scientific | 2012 |
| Pearl Plumbing & Heating Limited | Construction | 2008 |
| Peckham Station Commercial Limited | Administrative & support | 2019 |
| Peckham Station DEV Ltd | Construction | 2017 |
| Pecomai Ltd | Wholesale & retail | 2023 |
| Pekun Kebab Limited | Hospitality | 2024 |
| Pelham Properties Limited | Real estate | 2021 |
| Pell & Co Accountants Limited | Professional & scientific | 2021 |
| Pembroke Estate Management Company Ltd | Households | 2022 |
| PEN Finance Limited | Financial services | 1987 |
| PEN World (UK) Ltd | Extraterritorial | 2013 |
| Pengda Ltd | Extraterritorial | 2023 |
| Penguin 1991 Limited | Hospitality | 2020 |
| Pengwei Trading Co., Limited | Manufacturing | 2021 |
| Pengyu Int'L Trading Co., Limited | Wholesale & retail | 2025 |
| Penmuhle Stationery&Gift (UK) Limited | Extraterritorial | 2018 |
| Penny Parks Musical Workshops Limited | Arts & recreation | 1997 |
| Penokra Finance Limited | Financial services | 2004 |
| Penton Management Limited | Households | 1977 |
| Pentri Ltd | Professional & scientific | 2021 |
| Peopleops Ltd | Professional & scientific | 2022 |
| Pepcrest Limited | Real estate | 1974 |
| PER Hortum Ltd | Agriculture & fishing | 2021 |
| Perald Co., Ltd | Extraterritorial | 2013 |
| Perception UK International Ltd | Wholesale & retail | 2021 |
| Perfect Media Network Ltd | Information & communication | 2013 |
| Performance Health and Safety Ltd | Professional & scientific | 2014 |
| Peritas Consulting Services Ltd | Wholesale & retail | 2017 |