| Outdoor Education Kent CIC | Education | 2025 |
| P & a Legacy Holding Ltd | Financial services | 2021 |
| P & M Scaffolding Limited | Construction | 2007 |
| P a Catering Limited | Wholesale & retail | 2007 |
| P and R Properties (Kent) Limited | Real estate | 2024 |
| P Bartholomew Limited | Agriculture & fishing | 1995 |
| P J H Ceramics Limited | Health & social care | 2003 |
| P T Electrical Contracting Ltd | Construction | 2003 |
| P&H Greek Taverna OAD Street Ltd | Hospitality | 2020 |
| P. and J.M. Smedley Limited | Construction | 1979 |
| P. J. Gilbert Limited | Construction | 2015 |
| P.Bartholomew Holdings Ltd | Agriculture & fishing | 2020 |
| P.J.Gilbert Estates Limited | Real estate | 2023 |
| P.L. Shipping Limited | Transport & logistics | 1989 |
| PAC Elevators Ltd | Professional & scientific | 2020 |
| Page IT Ltd | Transport & logistics | 2015 |
| Palace-Tech Building Services Limited | Construction | 2024 |
| Palace-Tech Limited | Construction | 2003 |
| Paladin Cards Ltd | Wholesale & retail | 2026 |
| Palm Nova Homes Ltd | Real estate | 2025 |
| Palmsmart Consulting Limited | Professional & scientific | 2017 |
| Pamad Limited | Transport & logistics | 2021 |
| Pamela ROY Limited | Information & communication | 2025 |
| Panda Freight Ltd. | Wholesale & retail | 2014 |
| Pandus Ltd | Professional & scientific | 2004 |
| Panel Tech Electrical Ltd | Manufacturing | 2011 |
| Panisi Limited | Health & social care | 2012 |
| Panther Engineering Services Limited | Professional & scientific | 2025 |
| Paper Network Limited | Wholesale & retail | 2008 |
| Paramount Sales and Lettings Limited | Real estate | 2018 |
| Paramount Scaffolding Limited | Construction | 2010 |
| Parcel Wave Ltd | Administrative & support | 2024 |
| Park Lane Kennels Limited | Other services | 2016 |
| Parker Property Lettings Limited | Real estate | 2024 |
| Parklake Estates Limited | Real estate | 1969 |
| Parkmere Property Ltd | Financial services | 2025 |
| Parlac Limited | | 1979 |
| Parsonage & Groves Farms Limited | Agriculture & fishing | 1997 |
| Party Bitz Ltd | Wholesale & retail | 2023 |
| Party Night London Limited | Other services | 2013 |
| Pashley Consultancy Limited | Information & communication | 2025 |
| Patient Advocate Case Management Limited | Administrative & support | 2023 |
| Patient Advocate Consultancy Services Limited | Other services | 2018 |
| Patient Advocate Group Limited | Health & social care | 2019 |
| Patient Advocate Ltd | Health & social care | 2013 |
| Patient Navigator Holdings Limited | Other services | 2019 |
| Patient Navigator Limited | Other services | 2019 |
| Patterson Double Glazing Ltd | Construction | 2005 |
| Paulbeez Property Ltd | Real estate | 2023 |
| Pausepoint Healthcare Limited | Professional & scientific | 2026 |
| Pawel Logistics Ltd | Transport & logistics | 2015 |
| Pawmits Ltd | Wholesale & retail | 2016 |
| Pawtential Unlocked Ltd | Education | 2025 |
| Payment Pillars Limited | Administrative & support | 2017 |
| Payne Bougourd Plumbing & Heating Ltd | Construction | 2024 |
| Paynes Developments Ltd | Construction | 2022 |
| Paynes Properties (Kent) Ltd | Real estate | 2005 |
| Paynes Stores Limited | Real estate | 1941 |
| PB Diamono Ltd | Health & social care | 2025 |
| Pblp Properties Limited | Real estate | 2021 |
| PCMAC1 Interiors Limited | Construction | 2016 |
| PCSOF8 Limited | Information & communication | 2014 |
| PDA Carpentry & Joinery Ltd | Manufacturing | 2021 |
| PDQ (Weava) Services Ltd | Professional & scientific | 2025 |
| Pear Tree Art Ltd | Wholesale & retail | 2026 |
| Pearce Family Investments Limited | Real estate | 2024 |
| Pearlaza Games Limited | Wholesale & retail | 2025 |
| Pebbles & Koko's Services Ltd | Other services | 2020 |
| Pecunia Consulting Limited | Financial services | 2026 |
| Pedant Technology Ltd | Information & communication | 2016 |
| Pedro, Poncho and Pals CIC | Education | 2023 |
| Pellatt E & P Consultancy Ltd | Construction | 2015 |
| Penaxia Limited | Health & social care | 2019 |
| Penfield Electrical Services Ltd | Construction | 2014 |
| Penny Roofing Ltd | Construction | 2012 |
| Pennycrayon Ltd | Professional & scientific | 2023 |
| Pennywell Fields Management Company Ltd | Households | 2025 |
| Pentafix Ltd | Transport & logistics | 2013 |
| People's Plumbing Limited | Construction | 2018 |
| Peppermint Twist Limited | Manufacturing | 2005 |
| Perfect Gift Health Care Limited | Administrative & support | 2018 |
| Perfection Media and Interior Ltd | Construction | 2021 |
| Performance Golf Centres Limited | Professional & scientific | 2017 |
| Peridot Accommodations Ltd | Administrative & support | 2023 |
| Perkins Homes Ltd | Hospitality | 2022 |
| Perrys Autos Limited | Wholesale & retail | 2025 |
| Perun Group Ltd | Wholesale & retail | 2024 |
| Pet Bedding UK Ltd | Wholesale & retail | 2017 |
| Peter P Trans Ltd | Transport & logistics | 2017 |
| PG Partnerships Ltd | Administrative & support | 2019 |
| PG Pro Builders Ltd | Other services | 2026 |
| Phaces Darts Management Limited | Arts & recreation | 2026 |
| Pharmacase Ltd | Health & social care | 2023 |
| Pharmaconnect Online Ltd | Wholesale & retail | 2023 |
| Pharmavigilance Limited | Other services | 2013 |
| Phasor Engineering Ltd | Energy | 2025 |
| Phillips Steel Consultancy Limited | Professional & scientific | 2016 |
| Phoebe Hall Ltd | Wholesale & retail | 2025 |
| Phoenix Kitchens & Bathrooms Kent Ltd | Construction | 2025 |
| Phoenix Renovations (Kent) Limited | Real estate | 2018 |