| Phar South West Ltd | Wholesale & retail | 2016 |
| Pheasant Leisure Services Ltd | Agriculture & fishing | 2013 |
| Phenviro Ltd. | Water & waste | 2023 |
| Philip J Milton & Company PLC | Financial services | 1996 |
| Philip J Milton Construction and Maintenance Ltd | Construction | 2004 |
| Philip J Milton Storage & Security Services Ltd | Administrative & support | 2018 |
| Phill Bull Prop Services Limited | Information & communication | 2011 |
| Phillip Sherborne Limited | Construction | 2001 |
| Phoenix Barum Property Ltd | Construction | 2025 |
| Phoenix Care at Home Ltd | Health & social care | 2006 |
| Pickard Homes Solutions Limited | Construction | 2019 |
| Pier Holdings (SW) Limited | Financial services | 2021 |
| Pillar Rock Ltd | Professional & scientific | 2015 |
| Pilton Apartments Management Limited | Hospitality | 1990 |
| Pilton Arts Group Ltd | Arts & recreation | 2016 |
| Pilton House Trust | Health & social care | 2013 |
| Pilton Quayside Management Limited | Households | 2005 |
| PIT Stop Hub Ltd | Wholesale & retail | 2026 |
| PLA Solutions Ltd | Real estate | 2022 |
| Plaistow House Management Limited | Real estate | 2009 |
| Plan B Commerce Ltd | Information & communication | 2019 |
| Plan C Productions Limited | Other services | 2025 |
| Plandale Limited | Health & social care | 2023 |
| Planet Bike Limited | Wholesale & retail | 2002 |
| Planning Partnership Limited | Professional & scientific | 2018 |
| PLANNING2ACHIEVE Limited | Administrative & support | 2007 |
| Plant Punks Ltd | Hospitality | 2019 |
| Plate Seller Ltd | Wholesale & retail | 2023 |
| Platform Gym Limited | Arts & recreation | 2017 |
| Playmeta Limited | Wholesale & retail | 2008 |
| Plüss Digital Limited | Professional & scientific | 2025 |
| PMI Computer Services Ltd | Manufacturing | 2001 |
| Pocket Retail Limited | Wholesale & retail | 2011 |
| Point Break Ltd | Wholesale & retail | 2023 |
| Pokealb Media Ltd | Wholesale & retail | 2025 |
| Pokollect Ltd | Wholesale & retail | 2023 |
| Polar Bears Drysuits Limited | Manufacturing | 2024 |
| Polished Pearl Ltd | Wholesale & retail | 2011 |
| Poltair Construction Limited | Construction | 2020 |
| Poltair Developments Limited | Construction | 1996 |
| Poltair Group Limited | Financial services | 2016 |
| Poltair Homes (Land) Limited | Construction | 2020 |
| Poltair Homes (Luxulyan) Limited | Extraterritorial | 1997 |
| Poltair Homes (Padstow) Limited | Extraterritorial | 2012 |
| Poltair Homes (Spurway Gardens) Limited | Construction | 2020 |
| Poltair Homes (Worth Meadow) Limited | Construction | 2020 |
| Poltair Homes Limited | Construction | 2000 |
| Poltair Properties Limited | Construction | 1996 |
| Pool Engineering Services Ltd | Manufacturing | 2003 |
| Populate Social Limited | Professional & scientific | 2015 |
| Porte Holdings Limited | Extraterritorial | 2026 |
| Porters Carpets and Flooring Services Limited | Wholesale & retail | 2005 |
| Portland Villas Management Company Ltd | Households | 2024 |
| Poseidon Caterers Ltd | Hospitality | 2008 |
| Posh Fade Ltd | Other services | 2026 |
| Posh Gents Barber Ltd | Other services | 2022 |
| Positive Sparks Limited | Construction | 2011 |
| POW Limited | Administrative & support | 1980 |
| Power Kitchen Ltd | Hospitality | 2026 |
| Poysley Developments Ltd | Extraterritorial | 2014 |
| Pravi Ltd | Information & communication | 2024 |
| Predator Rugby Limited | Extraterritorial | 1998 |
| Premier Lease and Rentals Ltd | Administrative & support | 2024 |
| Preslowe Limited | Real estate | 2010 |
| Prestige Cleaning Investments Limited | Administrative & support | 2025 |
| Prestige Landscape and Groundwork’S Ltd | Administrative & support | 2025 |
| Primary Care Medic Solutions Ltd | Health & social care | 2023 |
| Primary Sports and Education (North Devon) Ltd | Education | 2018 |
| Prime Seascape Limited | Construction | 2007 |
| Principal Doorsets Ltd | Manufacturing | 2014 |
| Private Health Professionals Ltd | Health & social care | 2017 |
| Proactive Advice Ltd | Professional & scientific | 2023 |
| Probos Promotions Limited | Manufacturing | 2005 |
| Procter Accountancy Ltd | Professional & scientific | 2024 |
| Proglass Automotive Ltd | Wholesale & retail | 2019 |
| Proportunity Investment Ltd | Real estate | 2024 |
| Proscenium Group Limited | Financial services | 2019 |
| Provectus Trading Co Ltd | Wholesale & retail | 2022 |
| PS Must Limited | Wholesale & retail | 2025 |
| Psychic Talks Ltd. | Other services | 2019 |
| Pulsar Water Technology Limited | Professional & scientific | 2008 |
| Pure Reformer Ltd | Health & social care | 2014 |
| Purestretch Ltd | Arts & recreation | 2010 |
| Pusajev Ltd | Health & social care | 2018 |
| Pusneal Ltd | Professional & scientific | 2021 |
| Putsborough Apartments Limited | Households | 1987 |
| Putsborough Pool Limited | Households | 1990 |
| PWM Controls Limited | Professional & scientific | 2010 |
| Quality South West Ltd | Professional & scientific | 2016 |
| Quartz Recruitment Specialists Limited | Administrative & support | 2012 |
| Quay Projects & Investments Ltd | Real estate | 2025 |
| Queens Medical Centre Ltd | Professional & scientific | 2022 |
| Quick Response Roofing Ltd | Construction | 2026 |
| Quinn Roofing Direct Ltd | Construction | 2013 |
| R & M Barrow DRY Lining Ltd | Construction | 2016 |
| R & S Reed Consultants Ltd | Other services | 2017 |
| R C Huxtable Limited | Agriculture & fishing | 2016 |
| R J Lewis Property Ltd | Real estate | 2020 |
| R L Down and SON Ltd | Financial services | 2011 |
| R&L Howcroft Limited | Real estate | 2026 |