| Pete Morris Consultancy Limited | Professional & scientific | 2013 |
| Peter & SON Meat Deliveries Ltd | Transport & logistics | 2023 |
| Peter Bailey Consultancy Ltd | Professional & scientific | 2019 |
| Peter Chard Carpentry Ltd | Construction | 2006 |
| Peter Court Associates Limited | Professional & scientific | 2011 |
| Peter Hicks Financial Advisers Limited | Professional & scientific | 2012 |
| Peter Jansen Legal Services Limited | Professional & scientific | 2015 |
| Peter Owen Consulting Limited | Professional & scientific | 2012 |
| Peterpan Logistic Ltd | Transport & logistics | 2024 |
| Peterson Consulting Ltd | Professional & scientific | 2019 |
| Petite Ecole Kentoise DE Maidstone | Education | 2016 |
| Petlionpp Ltd | Information & communication | 2022 |
| Petov Limited | Construction | 2023 |
| Petratio Ltd | Transport & logistics | 2026 |
| Petrichor Outdoor Ltd | Other services | 2020 |
| Petro Vector East Ltd | Professional & scientific | 2016 |
| Petro Vector South Ltd | Professional & scientific | 2016 |
| Petro Vector West Ltd | Professional & scientific | 2016 |
| Petru & Tabita Ltd | Transport & logistics | 2024 |
| Petula People Solutions Ltd | Administrative & support | 2025 |
| Petzania UK Ltd | Wholesale & retail | 2025 |
| Pextrusion Limited | Manufacturing | 1997 |
| Pfpr Communications Limited | Professional & scientific | 2001 |
| Pfpr Holdings Ltd | Professional & scientific | 2020 |
| PGI Construction and Landscaping Ltd | Construction | 2019 |
| Pgpl Ltd | Real estate | 2024 |
| PGS Property Services Limited | Administrative & support | 2013 |
| PGS UK Pallets Limited | Manufacturing | 2025 |
| Phamar Limited | Administrative & support | 2013 |
| Phantasmagora London Ltd | Professional & scientific | 2014 |
| Phantom Healthcare Ltd | Health & social care | 2019 |
| Pharaohs Food Ltd | Hospitality | 2024 |
| Pharma Distribution Consulting Limited | Professional & scientific | 2023 |
| Pharma Times Media Limited | Information & communication | 2014 |
| Pharmaquipe Limited | Manufacturing | 2008 |
| Pharmprime Concepts Ltd | Health & social care | 2023 |
| Phase Energy SE Ltd | Construction | 2024 |
| Phasecity Residents Management Limited | Real estate | 1988 |
| Phdigital Consulting Limited | Professional & scientific | 2025 |
| Pheroma Perfumes Ltd | Manufacturing | 2026 |
| Phil Combs Design Management Limited | Administrative & support | 2012 |
| Phil James Music Limited | Information & communication | 2012 |
| Philip Barlow Pools Ltd | Manufacturing | 2012 |
| Philip House RTM Company Ltd. | Households | 2016 |
| Philip Howell(Maidstone)Limited | Transport & logistics | 1961 |
| Phillidee Properties Limited | Real estate | 2026 |
| Phillips Interiors Limited | Construction | 2010 |
| Phillips Removals Ltd | Other services | 2019 |
| Philo Rose’S Limited | Wholesale & retail | 2024 |
| Phine Project Services Limited | Professional & scientific | 2004 |
| Phinjudil Limited | Wholesale & retail | 2018 |
| Phoebe Watton Ltd | Real estate | 2025 |
| Phoenix Beauty Maidstone Ltd | Other services | 2023 |
| Phoenix Connect Limited | Financial services | 2005 |
| Phoenix Design Build Ltd | Manufacturing | 2024 |
| Phoenix Fire & Renovation Ltd | Construction | 2025 |
| Phoenix Homes Kent Ltd | Other services | 2018 |
| Phoenix MEB Ltd | Transport & logistics | 2024 |
| Phoenix Mechanical Projects Limited | Construction | 2021 |
| Phoenix Plumbing & Heating Solutions Ltd | Construction | 2020 |
| Phoenix Searches Limited | Professional & scientific | 2013 |
| Phoenix Stationery Limited | Manufacturing | 1989 |
| Phoenix Supplements Store Ltd | Wholesale & retail | 2019 |
| Phoenix Support EOT Limited | Financial services | 2025 |
| Phoenix Support Ltd | Other services | 2012 |
| Pholland Ltd | Financial services | 2024 |
| Phone Gadgets 4U Limited | Manufacturing | 2012 |
| Phonophobia Limited | Administrative & support | 2005 |
| Photoset - 4 Limited | | 1987 |
| Phpc Holdings Limited | Financial services | 2024 |
| PHT Electrical Ltd | Construction | 2019 |
| Physio Steve Limited | Health & social care | 2010 |
| Physio Update Ltd | Information & communication | 2020 |
| Physiofit Kent Limited | Health & social care | 2008 |
| Physiotherapy for Women Limited | Health & social care | 2018 |
| Phènix Healthcare Ltd | Health & social care | 2023 |
| Piccolo Picco Ltd | Information & communication | 2014 |
| Picnic Media Limited | Professional & scientific | 2016 |
| Pictura Creations Ltd | Information & communication | 2026 |
| Picture Letters Limited | Manufacturing | 2026 |
| Picture Perfect Lighting Limited | Manufacturing | 2025 |
| Piermont Home Improvements Ltd | Construction | 2026 |
| Pierson Holdings (2020) Ltd | Financial services | 2020 |
| Pierson Properties Holdings Limited | Financial services | 2014 |
| Pierson Properties Limited | Real estate | 2014 |
| Pigott Construction Ltd | Construction | 2018 |
| Pilgrims Lake Limited | Households | 1990 |
| Pilgrims Reach Residents Association Limited | Households | 2001 |
| Pilgrims Way Holdings Limited | Health & social care | 2017 |
| Pillory Barn Agency Limited | Professional & scientific | 2010 |
| Pillory Barn Design Limited | Professional & scientific | 1993 |
| Pimms Plumbing & Heating Engineers Limited | Construction | 2002 |
| Pimped OUT Ltd | Wholesale & retail | 2023 |
| Pineapple Contracts Unlimited | Manufacturing | 2014 |
| Pinede Publishing Limited | Information & communication | 2011 |
| Pinelodge Property Limited | Construction | 2012 |
| Pink Lady Apple Company (UK) Limited | Extraterritorial | 2001 |
| Pink Lady Limited | Extraterritorial | 2002 |
| Pink Lemon Branding & Design Ltd | Professional & scientific | 2016 |
| Pink Sapphire Medical Limited | Health & social care | 2021 |