| Phoenix Civils (South East) Limited | Construction | 2014 |
| Phoenix Diverse Solutions Limited | Manufacturing | 2010 |
| Phoenix Mobile Ltd | Manufacturing | 2023 |
| Phone FIX Studio Ltd | Wholesale & retail | 2019 |
| PIA Concept | Information & communication | 2025 |
| Picasoo Ltd | Wholesale & retail | 2025 |
| Pickwicks Carpets LLP | | 2012 |
| Piddington Management Ltd | Administrative & support | 2025 |
| PIE Factory Music | Arts & recreation | 2002 |
| Pierremont Properties Limited | Real estate | 2026 |
| Pierview Amusements Limited | Arts & recreation | 2022 |
| Pineapple Asset Finance Limited | Wholesale & retail | 2024 |
| Pinto Haus Limited | Professional & scientific | 2024 |
| Pioneer Business Park Limited | Real estate | 2020 |
| Pioneer Creative Marketing Ltd | Professional & scientific | 2020 |
| Pioneer Security Services Company Limited | Administrative & support | 1993 |
| Pioneer Sheet Metal LLP | | 2015 |
| Pioneer Welding Company (2002) Limited | Manufacturing | 2002 |
| Pitcher Properties Limited | Construction | 2025 |
| Pizza Ramsgate Kent Ltd | Hospitality | 2025 |
| PIZZA2NIGHT Ramsgate Ltd | Hospitality | 2026 |
| PJB Technical Services Limited | Construction | 2007 |
| Pjv,Dmc Building and Surveying Ltd | Construction | 2025 |
| Placable Software Ltd | Information & communication | 2023 |
| Planelisting Ltd | Administrative & support | 2020 |
| Planet Group Holdings Ltd | Financial services | 2025 |
| Planet Productions Ltd | Other services | 2022 |
| Planned Works Consultancy Ltd | Information & communication | 2019 |
| Plectrum Property Limited | Real estate | 2020 |
| Plunder Ltd | Wholesale & retail | 2025 |
| Plustel Limited | Administrative & support | 2015 |
| PM2024 Investment Limited | Health & social care | 2024 |
| PMA Thanet Ltd | Education | 2020 |
| POD Packaging Limited | Manufacturing | 2004 |
| POD Studios Limited | Education | 2026 |
| Poddies Limited | Manufacturing | 2013 |
| Pokey Resin Designs Ltd | Professional & scientific | 2026 |
| Polaris Associates Limited | Professional & scientific | 2010 |
| Polaris Nexus Ltd. | Information & communication | 2025 |
| Polaris Productions Limited | Information & communication | 1999 |
| Pomegranate Resource Limited | Information & communication | 2004 |
| Pooch Station Ltd | Other services | 2025 |
| Poppy Court Management Limited | Real estate | 2014 |
| Poppy in a Field Ltd | Hospitality | 2025 |
| Poppychem Ltd | Wholesale & retail | 2021 |
| Portcullis Executive Travel Limited | Transport & logistics | 2012 |
| Positive Solutions Kent CIC | Health & social care | 2021 |
| Postsafe (South East) Limited | Manufacturing | 2008 |
| Potential (Kent) C.I.C. | Administrative & support | 2017 |
| Potters Ramsgate Limited | Wholesale & retail | 2019 |
| Power Punch Games Ltd | Arts & recreation | 2024 |
| Powercraft Ltd | Energy | 2023 |
| Powermain (Holdings) Limited | Financial services | 2020 |
| Powermain Limited | Administrative & support | 1997 |
| Powermain Plant & Hire Ltd | Administrative & support | 2015 |
| Practical Accessibility Ltd | Professional & scientific | 2026 |
| Precise Freight Ltd | Transport & logistics | 2019 |
| Precision Cleaning (South East) Limited | Administrative & support | 2022 |
| Precision Placements Trading Ltd | Administrative & support | 2023 |
| Premier Autotech Ltd | Wholesale & retail | 2014 |
| Premier Flooring (Thanet) Limited | Construction | 2020 |
| Premier Nails System Ltd | Manufacturing | 2021 |
| Premier Pools Kent Ltd | Administrative & support | 2022 |
| Premium Housing and Financial Services Limited | Wholesale & retail | 2025 |
| Press Communications Limited | Information & communication | 2016 |
| Prestian Homes Limited | Financial services | 2014 |
| Prestige Haven Ltd | Hospitality | 2026 |
| Prestige Roofing and Paving Ltd | Administrative & support | 2025 |
| Preston Meadow Management Company Limited | Households | 2020 |
| Pretty Please Limited | Other services | 2023 |
| Pricking Thumbs Limited | Other services | 2026 |
| Prime Care Property Ltd | Real estate | 2026 |
| Prime Caring Services Limited | Health & social care | 2015 |
| Prime Construction (SE) Limited | Construction | 2024 |
| Primepath Solutions Ltd | Administrative & support | 2026 |
| Principessa Investments Limited | Hospitality | 2024 |
| Print 'N' Stitch Thanet Ltd | Manufacturing | 2025 |
| Prior-Coleman Civils Limited | Construction | 2021 |
| Priory Hill Limited | Hospitality | 1951 |
| Pristine Clean Kent Ltd | Other services | 2016 |
| Pristine Hand Car Wash & Valeting Service Ltd | Wholesale & retail | 2024 |
| Pristine Upvc Repairs Ltd | Wholesale & retail | 2026 |
| Privileged Prints Ltd | Professional & scientific | 2022 |
| Pro Speed Precision Limited | Manufacturing | 2017 |
| Probe Security Ltd | Administrative & support | 2018 |
| Probe Security Services Limited | Public administration | 2024 |
| Project 360 Tours Ltd | Professional & scientific | 2019 |
| Project Reinvent Yourself Limited | Administrative & support | 2022 |
| Project Safe Group Ltd | Financial services | 2026 |
| Property 81 Ltd | Real estate | 2023 |
| Property Nest EGG Limited | Real estate | 2014 |
| Property Services Kent Ltd | Administrative & support | 2025 |
| Property Toad Ltd | Real estate | 2021 |
| Prospect Court RTM Company Limited | Households | 2022 |
| Prosperidad Ltd | Real estate | 2021 |
| Pruf Global Limited | Wholesale & retail | 2024 |
| Prysm Build Ltd | Construction | 2019 |
| Prysm Properties Limited | Construction | 2019 |
| Psalms and Sisterhood CIC | Information & communication | 2025 |
| PSM Hospitality Consultants Global Limited | Extraterritorial | 2014 |