| Pope Accountancy Ltd | Professional & scientific | 2013 |
| Pope Consultancy Ltd | Information & communication | 2016 |
| Portland Bluefin Adventure Ltd | Arts & recreation | 2020 |
| Portman Hunt Limited | Agriculture & fishing | 2010 |
| Positive Need Ltd | Administrative & support | 2024 |
| Positive Reframing C.I.C. | Information & communication | 2025 |
| Poto Energy Co., Ltd | Manufacturing | 2021 |
| Potter's Hazardous Waste Services Ltd | Water & waste | 2022 |
| Poultry Point Limited | Professional & scientific | 2003 |
| Powapunchchampionship Limited | Arts & recreation | 2025 |
| Poweam Medical Co., Ltd | Extraterritorial | 2014 |
| Power of Data Limited | Information & communication | 2019 |
| Power Paint Services Ltd | Construction | 2024 |
| Power Plus (Dewsbury) Limited | Construction | 2005 |
| PPS Corporation Limited | Manufacturing | 2025 |
| PR Consultant Ltd. | Health & social care | 2015 |
| Practice Ventures (UK) Limited | Manufacturing | 1996 |
| Pratima and Lokesh Sharma Healthcare Ltd | Health & social care | 2025 |
| Prava Padel Limited | Wholesale & retail | 2025 |
| PRC Consultancy Limited | Professional & scientific | 2014 |
| Precision Projects & Maintenance Limited | Construction | 2024 |
| Preet Property Ltd | Real estate | 2022 |
| Premium Machining Co., Ltd | Extraterritorial | 2019 |
| Prep Corp. Limited | Professional & scientific | 2020 |
| Prescient Limited | Professional & scientific | 1997 |
| PRESS2IMPREZZ Ltd | Manufacturing | 2026 |
| Prestige Carpentry & Build Ltd | Construction | 2025 |
| Prestige Coats Decorating Limited | Construction | 2017 |
| Prestige DECOR8 Ltd | Construction | 2018 |
| Prestige Developments (Kent) Limited | Construction | 2018 |
| Prestige Interior Joinery Ltd | Construction | 2010 |
| Prestige Investment Group Limited | Real estate | 2025 |
| Prestige PS Ltd | Construction | 2023 |
| Prestige Vehicle Contracts Ltd | Wholesale & retail | 2018 |
| Pretty International Co., Ltd | Manufacturing | 2023 |
| Priestfield Plumbing Ltd | Construction | 2021 |
| Prime Axis T Ltd | Wholesale & retail | 2026 |
| Primecare Community CIC | Health & social care | 2026 |
| Primech Building Services Limited | Construction | 2015 |
| Prior Homes Limited | Construction | 1995 |
| Priority (Kent) Limited | Real estate | 2003 |
| Priority Electrical Supplies Limited | Wholesale & retail | 1997 |
| Priory Court (Rochester) Management Company Limited | Households | 2002 |
| Priory Investments (U.K.) Limited | Construction | 1994 |
| Priory Meadows NO. 1 Residents Company Limited | Households | 1988 |
| Prism Group Ltd | Administrative & support | 2025 |
| Prism Nexus Ltd | Professional & scientific | 2026 |
| Private Client & Wealth Management Connections Ltd | Financial services | 2021 |
| Pro Construction & Building Services Ltd | Construction | 2025 |
| Pro Fenus Ltd | Professional & scientific | 2018 |
| Pro Soccer Academy Limited | Arts & recreation | 2008 |
| Proactive Analytics Holdings Ltd | Financial services | 2021 |
| Proactive Analytics Limited | Professional & scientific | 2017 |
| Probiz Synergy Ltd | Hospitality | 2023 |
| Proconstruct Interior Ltd | Construction | 2018 |
| Prodigy Graphics Ltd | Professional & scientific | 2017 |
| Producifyai Limited | Information & communication | 2023 |
| Productive Ventilation Limited | Manufacturing | 2017 |
| Productive Woodlands Ltd | Agriculture & fishing | 2024 |
| Profcol Finance Ltd | Hospitality | 2010 |
| Project Build (Kent) Ltd | Construction | 2024 |
| Project Clean Solutions Ltd | Administrative & support | 2025 |
| Project Sites Limited | Hospitality | 2018 |
| Prolisok Ltd | Construction | 2025 |
| Promotising Limited | Professional & scientific | 2018 |
| Prop-Audit UK Ltd | Real estate | 2026 |
| Properties by ENI Ltd | Hospitality | 2025 |
| Property Cleaning Specialists Ltd | Administrative & support | 2023 |
| Property Construction Motor Club Ltd | Arts & recreation | 2024 |
| Proppmi Ltd | Professional & scientific | 2022 |
| Prospect Care Services Ltd | Health & social care | 2025 |
| Protect and Tour Ltd | Administrative & support | 2014 |
| Protetto Investments Limited | Wholesale & retail | 2012 |
| Protrim (South East) Ltd | Wholesale & retail | 2026 |
| Provender Way Management Company Limited | Households | 1985 |
| Provender Way Property Company Limited | Professional & scientific | 1999 |
| Provet Limited | Professional & scientific | 1999 |
| Provision Network Solutions Ltd | Information & communication | 2025 |
| Prxject Iron Ltd | Manufacturing | 2025 |
| PSA in the Community Ltd | Arts & recreation | 2014 |
| PSA Team Wear Ltd | Wholesale & retail | 2015 |
| PSA Tours Ltd | Arts & recreation | 2016 |
| PSI Epsilon Solutions Limited | Information & communication | 2008 |
| PT Consultants (London) Ltd | Professional & scientific | 2021 |
| Pthomas Solutions Ltd | Other services | 2016 |
| PUB and Bounce Hire Ltd | Arts & recreation | 2023 |
| Publisher House Ltd | Information & communication | 2023 |
| PUK Promotions Limited | Other services | 2022 |
| Pumps N Pits Ltd | Construction | 2023 |
| PUP Planet Ltd | Wholesale & retail | 2023 |
| Puppylove Grooming Ltd | Other services | 2026 |
| Pure Diamond Care Ltd | Health & social care | 2023 |
| Pure Hakk Ltd | Wholesale & retail | 2023 |
| Purecare Care Homes Limited | Financial services | 2010 |
| Purecare Care Services Limited | Health & social care | 2022 |
| Purevita Global Limited | Wholesale & retail | 2025 |
| Purple Minion Property Maintenance Ltd | Manufacturing | 2023 |
| Purple PIG Sewing Ltd | Extraterritorial | 2021 |
| Purple Tulip Consultancy Limited | Information & communication | 2017 |
| Purpleproperty Kent Ltd | Real estate | 2016 |