| Persus International Ltd | Manufacturing | 2015 |
| Pesos Ltd | Financial services | 2023 |
| Pest Management Ltd | Professional & scientific | 2024 |
| Petarfly Ltd | Transport & logistics | 2023 |
| Peter-Luk Cafe Ltd | Hospitality | 2024 |
| Peters and Sweatman Recruitment Limited | Financial services | 2018 |
| Pets & Family Ltd | Administrative & support | 2024 |
| Peweks BIS Limited | Wholesale & retail | 2013 |
| Pezdel IT Ltd | Information & communication | 2021 |
| Pezikiani Limited | Real estate | 2015 |
| PF Builders Limited | Construction | 2020 |
| PG Foods Ltd. | Manufacturing | 2023 |
| PG Trans Ltd | Transport & logistics | 2015 |
| PGV Property Limited | Real estate | 2023 |
| PH Hundal Transport Limited | Transport & logistics | 2026 |
| PH Import and Export Limited | Wholesale & retail | 2008 |
| Phantom Galaxy Limited | Wholesale & retail | 2020 |
| Pharaohs Holding Limited | Real estate | 2020 |
| Pharma Homecare Ltd | Administrative & support | 2018 |
| PHB Properties Ltd | Real estate | 2014 |
| Philancia Dine & Banqueting Limited Limited | Hospitality | 2025 |
| Philtre Digital Ltd | Information & communication | 2020 |
| PHK Clothing Ltd | Wholesale & retail | 2024 |
| Phlc Tecnologies Limited | Information & communication | 2012 |
| Phoenix European Destination Services Ltd | Professional & scientific | 2015 |
| Phoenix Fashion Designer Ltd | Professional & scientific | 2021 |
| Phoenix HD Limited | Households | 2016 |
| Phoenix Luxury Travel Ltd | Administrative & support | 2025 |
| Phoenix Quality Limited | Wholesale & retail | 2017 |
| Phoenix Residences Ltd | Real estate | 2025 |
| Phonact Ltd | Wholesale & retail | 2024 |
| Phone & Vape Galaxy Limited | Wholesale & retail | 2024 |
| Phone Fresh Investment Limited | Real estate | 2025 |
| Phone Fresh UK Limited | Information & communication | 2014 |
| Phone Repair and Accessories Ltd | Wholesale & retail | 2017 |
| Phone Y Limited | Wholesale & retail | 2025 |
| Phoneheroes Limited | Other services | 2013 |
| Phones & Vapes 4 ALL Ltd | Wholesale & retail | 2019 |
| Photogenic Digital Studio Ltd | Other services | 2005 |
| Phronesis Project Management Limited | Professional & scientific | 2016 |
| Phull Brothers Ltd | Real estate | 2026 |
| Phull Empire Ltd | Construction | 2017 |
| Phull Hoteliers Group Ltd | Real estate | 2023 |
| Phull Investments Limited | Real estate | 2025 |
| Phygital Studios Ltd | Information & communication | 2024 |
| Physio Health Therapy Ltd | Other services | 2025 |
| PHYSIO4ME Limited | Health & social care | 2015 |
| PHYSIO4RICHMOND Ltd | Health & social care | 2024 |
| Physiofitnesscoach Ltd | Other services | 2024 |
| Physiozones Ltd | Health & social care | 2007 |
| PI Gardening Ltd | Administrative & support | 2024 |
| PI IT Services Limited | Construction | 2026 |
| Pibora Ltd | Wholesale & retail | 2026 |
| PIC Steliano Ltd | Administrative & support | 2016 |
| Picturesque Narrative Limited | Information & communication | 2025 |
| Pihmandart Ltd | Wholesale & retail | 2022 |
| PIK Associates Ltd | Real estate | 2018 |
| Pillpath Ltd | Information & communication | 2025 |
| Pimlico Cars Limited | Administrative & support | 2016 |
| Pindi Bansal UK Limited | Professional & scientific | 2026 |
| Pine Legal Ltd | Professional & scientific | 2025 |
| Pinewood House Property Ltd | Construction | 2018 |
| Pinnacle Vision Group Ltd | Information & communication | 2019 |
| Pinnacle Vision Properties Ltd | Real estate | 2019 |
| Pinnacle Vision UK Ltd | Information & communication | 2010 |
| Pinoyhive Group Limited | Wholesale & retail | 2025 |
| Pintili & Sons Ltd | Real estate | 2022 |
| Pioneer Rentals Limited | Administrative & support | 2024 |
| Pirathipan Ltd | Transport & logistics | 2025 |
| Pithadiya Construction Ltd | Construction | 2024 |
| Pitrans Limited | Transport & logistics | 2014 |
| Pitshang Trading Ltd | Wholesale & retail | 2016 |
| Pixeledge Productions Limited | Information & communication | 2025 |
| Pixeltwist Design Ltd | Information & communication | 2016 |
| Piyu Enterprises Limited | Wholesale & retail | 2013 |
| Pizza 11 Ltd | Hospitality | 2023 |
| Pizza 241 and Chicken Ltd | Hospitality | 2022 |
| Pizza House Hounslow Ltd | Hospitality | 2023 |
| Pizza Pizza & Chicken Ltd | Hospitality | 2019 |
| Pizza Richmond Ltd | Hospitality | 2018 |
| PJK Demolition & Groundworks Limited | Construction | 2022 |
| Pjks Property Investments Ltd | Real estate | 2017 |
| PJM Developer Ltd | Construction | 2025 |
| PJN Investments Ltd | Real estate | 2024 |
| PJQ Access Solutions Ltd | Construction | 2021 |
| PJZ Group Limited | Financial services | 2016 |
| PK GRG Limited | Real estate | 2019 |
| Pkgc Ltd | Construction | 2026 |
| Pkhk Ltd | Real estate | 2022 |
| PKM Enterprises Limited | Professional & scientific | 2012 |
| PKM London Limited | Real estate | 2014 |
| PL Profiles Ltd | Wholesale & retail | 2023 |
| Placd Portal Ltd | Information & communication | 2025 |
| Plan & Construct Ltd | Construction | 2019 |
| Planet Axis UK Limited | Administrative & support | 2010 |
| Plants Paradise Ltd | Wholesale & retail | 2021 |
| Plaster Effects Limited | Construction | 2009 |
| Plates by ZEE Limited | Manufacturing | 2023 |
| Platform Concierge Limited | Other services | 2018 |
| Platinum Food and Wine Ltd | Wholesale & retail | 2017 |