| Pampered Panda Ltd | Wholesale & retail | 2025 |
| PAN RF Camera & Wireless Limited | Information & communication | 2009 |
| PAN RF Group Ltd | Information & communication | 2016 |
| Parides Ecological and Training Consultancy Ltd | Professional & scientific | 2013 |
| Park Light Visual Limited | Administrative & support | 2020 |
| Park Road Residents Association Limited | Households | 1982 |
| Parlow Associates Limited | Professional & scientific | 2002 |
| Parting Song Film Limited | Information & communication | 2022 |
| Paul's Logistics Ltd | Transport & logistics | 2025 |
| PBW Academic Consultancy and Management Limited | Education | 2017 |
| Peacock Sound Ltd | Information & communication | 2000 |
| Pebble Cloud Solutions Ltd | Information & communication | 2024 |
| Pedro Property Ltd | Real estate | 2021 |
| Pegnut Personal Gifts Ltd | Professional & scientific | 2018 |
| Penberry Limited | Administrative & support | 2003 |
| Penrose Park Residents Limited | Households | 2010 |
| Penthouse Holdings Ltd | Financial services | 2024 |
| Perfectphase Ltd | Information & communication | 2025 |
| Performance Roofing Contractors Ltd | Construction | 2019 |
| Peter COX (Farms) Limited | Agriculture & fishing | 1974 |
| Petz Ltd | Administrative & support | 2023 |
| PFU Developments Limited | Construction | 2019 |
| PHARMA4ORCE Ltd | Professional & scientific | 2024 |
| Philip Marks Ltd | Health & social care | 2019 |
| Phoenix Education Project Ltd | Education | 2025 |
| Phonebox Language School Limited | Education | 2009 |
| Physio From Home AI Ltd | Health & social care | 2026 |
| Pinewood Structures Holdings Limited | Financial services | 2020 |
| Pinewood Structures Limited | Manufacturing | 1981 |
| Pingpro Ltd | Professional & scientific | 2011 |
| Pipa Services Limited | Transport & logistics | 2019 |
| Pitts-Klein Holdings Limited | Financial services | 2025 |
| Pitts-Klein Property Limited | Real estate | 2025 |
| Pixelpaint Limited | Information & communication | 2014 |
| PKW Tech Consultancy Ltd | Information & communication | 2025 |
| Plover Care Ltd | Health & social care | 2023 |
| Pointscan Limited | Professional & scientific | 2016 |
| Positive Pawformance Limited | Professional & scientific | 2018 |
| Potton Brewing Company Ltd | Manufacturing | 2017 |
| Potton Motor Company Ltd | Wholesale & retail | 2009 |
| Potton Veterinary Limited | Professional & scientific | 2013 |
| Potton Windows Limited | Manufacturing | 1987 |
| Premium Vibes Ltd | Transport & logistics | 2025 |
| Pressing Buttons Ltd | Information & communication | 2025 |
| Prestige Building & Solutions Limited | Construction | 2020 |
| Prestwich Media Limited | Information & communication | 2014 |
| Prime Glass Ltd | Manufacturing | 2011 |
| Primeval Energy Ltd | Administrative & support | 2023 |
| Primomedi Limited | Administrative & support | 2016 |
| Pritchard Property Limited | Real estate | 2014 |
| Pro 10 Plumbing & Heating Ltd | Construction | 2019 |
| Pro Garden Builds Ltd | Construction | 2024 |
| Process Pilot Ltd | Information & communication | 2025 |
| Prolific Events and Video Limited | Administrative & support | 2021 |
| Proper Builders Team Ltd | Construction | 2025 |
| Property Portfolio International Ltd | Real estate | 2024 |
| Prosilient Limited | Wholesale & retail | 2010 |
| Protech Control Systems Limited | Extraterritorial | 1997 |
| Protech Food Systems Limited | Manufacturing | 1996 |
| Protech Sheet Metal Limited | Extraterritorial | 1999 |
| Protech Stainless Ltd | Manufacturing | 2015 |
| Protrace Limited | Extraterritorial | 2009 |
| Prunus (Fleet) Limited | Real estate | 2017 |
| Prunus Developments Limited | Real estate | 2014 |
| PS Music Limited | Arts & recreation | 2023 |
| Purely HR Limited | Administrative & support | 2008 |
| Qstrat Ltd | Information & communication | 2025 |
| Qualitas Maintenance Limited | Administrative & support | 2008 |
| Quinn & Oldenziel Ltd | Wholesale & retail | 2017 |
| Quintain Mews Management Company Limited | Real estate | 2012 |
| R D Woodcraft Limited | Agriculture & fishing | 2004 |
| Raffling Comic Media Limited | Information & communication | 2013 |
| RAJ Potton Ltd | Hospitality | 2018 |
| Rapid Profiles Ltd | Manufacturing | 2017 |
| RAY Lowe Driving Tuition Limited | Education | 2002 |
| Ready Grech Ltd | Information & communication | 2010 |
| Reajam Limited | Information & communication | 2015 |
| Redheadsun Limited | Arts & recreation | 2019 |
| Redline Management Ltd | Wholesale & retail | 2024 |
| Regents 2026 Ltd | Hospitality | 2026 |
| Regents SG19 Ltd | Hospitality | 2019 |
| Rehab Hub Ltd | Other services | 2018 |
| Repel Group Ltd | Administrative & support | 2012 |
| Resplendeo Limited | Information & communication | 2019 |
| RH Appliance Installations Ltd | Other services | 2026 |
| Rhinossahorse Ltd | Manufacturing | 2025 |
| Right Click Creative Limited | Professional & scientific | 2015 |
| Rise & Shine Cleaning Solutions Ltd | Administrative & support | 2025 |
| Riversands Healthcare Limited | Health & social care | 2021 |
| RK Plating Ltd | Manufacturing | 2026 |
| Rl&S Consultancy Limited | Professional & scientific | 2023 |
| Rl&Sn Ltd | Hospitality | 2025 |
| RLB Settlement Trust Corporation Limited | Professional & scientific | 2003 |
| RNT Tanks & Silos Ltd | Manufacturing | 2011 |
| Robo PAL Limited | Administrative & support | 2009 |
| Rocket Science Partnership Limited | Information & communication | 2012 |
| Roger Martin Samels Limited | Extraterritorial | 2024 |
| Rogue Creations Limited | Information & communication | 2021 |
| Rogue Rentals Limited | Administrative & support | 2021 |
| Ropes World Ltd | Wholesale & retail | 2023 |