| Oyster Retreats Limited | Hospitality | 2026 |
| Oysterair Limited | Transport & logistics | 2013 |
| Oystercoast Watersports Limited | Wholesale & retail | 2009 |
| Oysterfields Management Company Limited | Real estate | 2004 |
| P & JL Marlow Limited | Administrative & support | 2011 |
| P F Plant Services Limited | Professional & scientific | 2004 |
| P J Thomason & Associates Limited | Professional & scientific | 2001 |
| P Wareing Food Safety Ltd | Professional & scientific | 2018 |
| P&G Landscapes Limited | Administrative & support | 2011 |
| P.E.M.A.S. (LGB) Ltd | Professional & scientific | 2023 |
| P.W.A. International Limited | Information & communication | 1984 |
| Padgham Family Partnership LLP | | 2019 |
| Palace Pilates Ltd | Health & social care | 2017 |
| Pancho Properties Ltd | Households | 2023 |
| Pangolin Learning Ltd | Professional & scientific | 2026 |
| PAO Eres Ltd | Professional & scientific | 2024 |
| Paperepic Productions Ltd. | Information & communication | 2017 |
| Parabilis Limited | Information & communication | 2022 |
| Parkers Digital Print Limited | Manufacturing | 2012 |
| Parkinson Smith Flooring Specialists Ltd | Construction | 2022 |
| Passivlux Ltd | Administrative & support | 2013 |
| Passmore Green (Maidstone) Residents Company Limited | Households | 2019 |
| Path DMC Ltd | Administrative & support | 2019 |
| Path NET Zero Ltd | Professional & scientific | 2021 |
| Pathless Forests Ltd | Information & communication | 2023 |
| Paul Camp Enterprises Ltd | Professional & scientific | 2018 |
| Paul Nunn Limited | Wholesale & retail | 2015 |
| Paul Oakley Associates Ltd | Arts & recreation | 2004 |
| Payroll Giving Plus Ltd | Administrative & support | 2003 |
| PBM Property Services Ltd | Administrative & support | 2024 |
| PC Contractors (Kent) Limited | Construction | 2026 |
| Pcunderground Limited | Construction | 2025 |
| PCW Marine Limited | Transport & logistics | 2023 |
| PD Sealants Ltd | Construction | 2024 |
| Pdaw Ltd | Energy | 2018 |
| Pebble Beach Property Agency Ltd | Real estate | 2019 |
| Perspicua Investments Ltd | Professional & scientific | 2026 |
| Pestatak Limited | Administrative & support | 2002 |
| Pets Relaxed Ltd | Professional & scientific | 2021 |
| PH Online Ltd | Wholesale & retail | 2018 |
| Pharmago Ltd | Professional & scientific | 2018 |
| Philip Morgan Limited | Real estate | 2019 |
| Phoenix Motor Cars Limited | Wholesale & retail | 2025 |
| Photo Editions Limited | Wholesale & retail | 2008 |
| Piccolo ITA Limited | Hospitality | 2023 |
| Pinefellers Ltd | Administrative & support | 2024 |
| Pinks Ceramics Ltd | Manufacturing | 2024 |
| Pitcher Build Ltd | Construction | 2018 |
| Pitcher Build Maintenance Ltd | Construction | 2021 |
| Pitcherbuildbrickwork Limited | Construction | 2025 |
| Pixel Construction Services Ltd | Construction | 2015 |
| Pixel Mappers Limited | Administrative & support | 2012 |
| Pjarchitecture Ltd | Professional & scientific | 2022 |
| Planetz Property Ltd | Real estate | 2018 |
| Plantdrive Development Limited | Construction | 2018 |
| Plantdrive Limited | Real estate | 2002 |
| Platinum House Ltd | Professional & scientific | 2012 |
| Plus 1 Sports Coaching Limited | Education | 2022 |
| Plush Design Limited | Professional & scientific | 2026 |
| Pmck (S.E.) Ltd | Arts & recreation | 2015 |
| Pocock Construction Services Ltd | Construction | 2021 |
| Pocock's Solicitors Limited | Professional & scientific | 2013 |
| POP UP Coffee Limited | Hospitality | 2012 |
| Poppies Enterprise Limited | Hospitality | 2019 |
| Poppy Lodge Ltd | Hospitality | 2021 |
| Porto Wine Bar Limited | Hospitality | 2022 |
| Portus Hospitality Consulting & Advisory Ltd | Administrative & support | 2026 |
| Positive State CIC | Education | 2020 |
| Potent Chemistry Laboratories Limited | Manufacturing | 2020 |
| Pound City Herne Bay Limited | Wholesale & retail | 2017 |
| PPA Leisure Limited | Arts & recreation | 1997 |
| PQW Millstrood Limited | Construction | 2007 |
| Practicalcatt Interiors and Joinery Limited | Construction | 2024 |
| Precision Contractors South East Limited | Construction | 2020 |
| Premier Display Systems (UK) Limited | Other services | 2019 |
| Premier Packaging UK Limited | | 1992 |
| Press Red Films Ltd | Professional & scientific | 2023 |
| Priceless Jewellers Ltd | Wholesale & retail | 2025 |
| Primary Education Ltd | Administrative & support | 2012 |
| Prince & Gisbey Architects Ltd | Professional & scientific | 2019 |
| Prism Innovations Limited | Wholesale & retail | 2002 |
| Pro Active Employment Ltd | Administrative & support | 2021 |
| Pro Medics UK Limited | Other services | 2019 |
| Pro-Tech Security (UK) Limited | Administrative & support | 2004 |
| Product by S Ltd | Information & communication | 2016 |
| Production Rentals Ltd | Arts & recreation | 2013 |
| Progressive Consulting (UK) Limited | Construction | 2015 |
| Property Budz Limited | Construction | 2025 |
| Property Surveys Southeast Ltd | Professional & scientific | 2020 |
| Prospect Revive Limited | Professional & scientific | 2025 |
| Protem Training Limited | Transport & logistics | 2017 |
| PSB Chauffeuring Limited | Transport & logistics | 2022 |
| Puigi Limited | Manufacturing | 2011 |
| Pukka Autos Ltd | Wholesale & retail | 2026 |
| Pure Cloud Accounting Ltd | Professional & scientific | 2011 |
| Pure Indulgence by the Sea Limited | Other services | 2012 |
| Pure One AI Ltd | Information & communication | 2022 |
| Pure One Travel Ltd | Administrative & support | 2024 |
| Qiccmas Limited | Wholesale & retail | 2026 |
| Qmex Limited | Administrative & support | 2015 |