| People, Team and Change Solutions Limited | Professional & scientific | 2010 |
| Pepols Ltd | Other services | 2019 |
| Perfect Engineering Limited | Wholesale & retail | 2004 |
| Perfect Heating Services Limited | Construction | 2026 |
| Peridise Ltd | Hospitality | 2019 |
| Perifection Limited | Hospitality | 2019 |
| Perps Ltd | Health & social care | 2009 |
| Pet NDT Ltd | Professional & scientific | 2026 |
| Petaholics Gillingham Ltd | Wholesale & retail | 2017 |
| Petcheal Limited | Real estate | 2024 |
| Peter Baxter Associates Limited | Professional & scientific | 1995 |
| Peter Beer Financial Services Limited | Financial services | 2016 |
| Peter Concrete Services Ltd | Construction | 2014 |
| Peter Knott (Electrical) Limited | Construction | 2017 |
| Peter Taylor Construction Management Services Ltd. | Construction | 2021 |
| Petersham Private Estates Ltd | Real estate | 2025 |
| Peticular Group Ltd | Wholesale & retail | 2020 |
| Pfapps Ltd | Information & communication | 2026 |
| Pfpycl Ltd | Extraterritorial | 2022 |
| PGB Sales Ltd | Wholesale & retail | 2025 |
| PH Townsend Archive Limited | Arts & recreation | 2002 |
| Phantom Properties UK Ltd | Extraterritorial | 2006 |
| Pharmacy 1ST Ltd | Wholesale & retail | 2007 |
| Phat Club Medway Ltd | Arts & recreation | 2025 |
| PHI Services Limited | Construction | 2015 |
| Phil Abrahart Estates Limited | Real estate | 2024 |
| Phillips Construction Group Ltd | Construction | 2016 |
| Phillips Electrical Ltd | Energy | 2023 |
| Phls Mortgage Services Ltd | Financial services | 2020 |
| Phoebe Elizabeth Beauty Ltd | Other services | 2024 |
| Phoenix Fencing and Maintenance Ltd | Construction | 2020 |
| Phoenix of Rainham Wines Ltd | Wholesale & retail | 2018 |
| Phoenix Oils Ltd | Water & waste | 2016 |
| Phoenix School Drinks Ltd | Manufacturing | 2013 |
| Photographer of the Year Ltd | Professional & scientific | 2013 |
| PIA S Properties Ltd | Real estate | 2023 |
| Pianoforte Limited | Information & communication | 2017 |
| Piccolino Italian Ltd | Hospitality | 2025 |
| Pick&Drop Logistics Ltd | Transport & logistics | 2021 |
| Pickfords Removals (Southern) Ltd | Professional & scientific | 2009 |
| Pickhill Services Limited | Professional & scientific | 2009 |
| Pidge's Fitness Ltd | Arts & recreation | 2020 |
| Pier Rigging and Testing Limited | Manufacturing | 2010 |
| Pierremont Heights Property Management Company Limited | Households | 2011 |
| Piknik Ground Ltd | Hospitality | 2018 |
| Pimpilai Thai Massage Ltd | Public administration | 2022 |
| Pine and Plant Services Ltd | Construction | 2025 |
| Pinebridge Scenery Co., Ltd | Professional & scientific | 2018 |
| Pinecroft Management Company Limited | Households | 1986 |
| Pink Squared Limited | Professional & scientific | 2023 |
| Pinkhouse Management Services Limited | Administrative & support | 2025 |
| Pinky and Perky Limited | Arts & recreation | 2002 |
| Pinnacle Electrical Services Limited | Construction | 2008 |
| Pinnacle Partners Group Ltd | Professional & scientific | 2025 |
| Pinnacle Property & Lettings Ltd | Real estate | 2024 |
| Pinnacle Property and Luxe Living Limited | Real estate | 2024 |
| Pinnacle Property Ventures Limited | Real estate | 2025 |
| Pinto Enterprises Limited | Transport & logistics | 2018 |
| Pinto Homes Ltd | Real estate | 2025 |
| Pionnier Industrial Co., Ltd. | Extraterritorial | 2017 |
| Pipe Dreams Studio Ltd | Manufacturing | 2020 |
| Pipeline Specialist Safety Services Limited | Construction | 2008 |
| Pipesand Sparks 1960 Limited | Extraterritorial | 2014 |
| Piscine Systems Limited | Information & communication | 1996 |
| Pitch N Plug Ltd. | Professional & scientific | 2024 |
| Pitman Windows Limited | Construction | 2005 |
| Pivotal R&S Limited | Construction | 2018 |
| Pixel & Partners Limited | Information & communication | 2025 |
| PJ Lets Limited | Real estate | 2009 |
| PJ Singh Ltd | Real estate | 2024 |
| PJ Taylor Constructions Ltd | Construction | 2022 |
| PJD Supplies Ltd | Wholesale & retail | 2025 |
| Pjpf Contracts Limited | Construction | 2006 |
| Plasfix Ltd | Construction | 2018 |
| Platinumfx.Global Limited | Financial services | 2016 |
| Platt Mill Management Company Limited | Households | 2001 |
| PLH Travel Limited | Transport & logistics | 2024 |
| Plumbing Boss Ltd | Construction | 2026 |
| Plumbingplus Cooling Services Ltd | Energy | 2022 |
| Plus Food Service Ltd | Hospitality | 2017 |
| Plush Construction Ltd | Construction | 2026 |
| Plymouth Removals Ltd | Transport & logistics | 2023 |
| PMG Ductwork Ltd | Manufacturing | 2019 |
| PMH Cleaning Services Limited | Administrative & support | 2010 |
| PMW Fire Risk Solutions Limited | Professional & scientific | 2009 |
| PNM Consultants Limited | Administrative & support | 2026 |
| POA Micropub Ltd | Hospitality | 2016 |
| Podlo Ltd | Wholesale & retail | 2026 |
| Pointers (Canterbury) Management Company Limited | Households | 2005 |
| Poke Peers Ltd | Wholesale & retail | 2026 |
| Policing Centre of Excellence Limited | Public administration | 2017 |
| Polin Spice Ltd | Hospitality | 2026 |
| Polka Business Solutions Ltd | Professional & scientific | 2020 |
| Pollard Court Residents Association Limited | Households | 1998 |
| Pollard Estates Limited | Real estate | 2012 |
| POM Homes Ltd | Extraterritorial | 2024 |
| Pompa Clean Solutions Ltd | Administrative & support | 2024 |
| Pompa Courier Ltd | Transport & logistics | 2023 |
| Pookie Property Ltd | Households | 2026 |
| Poparceasales Ltd | Wholesale & retail | 2024 |