| P4P Sports Limited | Wholesale & retail | 2025 |
| P59 Reinforcements Ltd | Other services | 2023 |
| P80 Limited | Professional & scientific | 2016 |
| Pacific Glasshouse Limited | Wholesale & retail | 2016 |
| Pacific LUX Limited | Wholesale & retail | 2016 |
| Pacific Plain Ltd | Information & communication | 2016 |
| Pack Trail Limited | Wholesale & retail | 2025 |
| Pack''N'Send Logistics Ltd | Transport & logistics | 2026 |
| Packexe (Holdings) Limited | Professional & scientific | 2003 |
| Packexe Limited | Wholesale & retail | 1987 |
| Packhall Estates Ltd | Hospitality | 2024 |
| Packhorse Farm Limited | Agriculture & fishing | 2008 |
| Paconline Ltd | Administrative & support | 2025 |
| Paddleboat Theatre C.I.C. | Arts & recreation | 2014 |
| Paddock Car Sales Ltd | Wholesale & retail | 2011 |
| Padel Dome Ltd | Arts & recreation | 2026 |
| Padstow Dental Practice Limited | Health & social care | 2026 |
| Pagers Limited | | 1991 |
| Paige&Black Ltd | Professional & scientific | 2013 |
| Paintless Dent Repairs & Detailing Ltd | Wholesale & retail | 2023 |
| Paints and Ladders (SW) Limited | Construction | 2018 |
| Paints and Ladders Limited | Construction | 2018 |
| Pairly Ltd | Information & communication | 2021 |
| Palace Gate (Exeter) Management Company Limited | Households | 1998 |
| Palace Gate Building Services Limited | Construction | 2015 |
| Palace Gate City Wall Exeter Limited | Households | 1999 |
| Paladin Park Homes Limited | Wholesale & retail | 2019 |
| Palas Civil Engineering and Plant Hire Limited | Financial services | 2023 |
| Palmeira (Management & Accounting) Services Limited | Hospitality | 1977 |
| Palmer Collins Limited | Real estate | 2009 |
| Palmer Fire Ltd | Public administration | 2022 |
| Palmer Salesforce Ltd | Administrative & support | 2024 |
| Palstone Lodges Limited | Construction | 2004 |
| PAM Smith Ltd | Professional & scientific | 2013 |
| PAN - Duct Ltd | Administrative & support | 2024 |
| PAN - Innovations Limited | Administrative & support | 2025 |
| Panagiotis Vlavianos Gastroenterology Ltd | Health & social care | 2017 |
| Panamor Handpans Limited | Manufacturing | 2018 |
| Pangaea Light Limited | Real estate | 2019 |
| Panoramic Limited | Construction | 1981 |
| Panowa Ltd | Extraterritorial | 2024 |
| Panteli Orthopaedics Ltd | Health & social care | 2022 |
| Panter and SON Limited | Real estate | 1948 |
| Pantheon International PLC | Financial services | 1987 |
| Pantlasau Energy Limited | Energy | 2023 |
| Papermaker House Exeter Limited | Households | 2017 |
| Paragon Personnel Limited | Administrative & support | 1989 |
| Paramount Personnel Limited | Extraterritorial | 2013 |
| Parc Ferme Garage Ltd | Wholesale & retail | 2025 |
| Parcel Delivey Service Ltd | Transport & logistics | 2025 |
| Parcelsaurus Ltd | Transport & logistics | 2025 |
| Parea Group Limited | Financial services | 2023 |
| Parea Property SA Limited | Real estate | 2022 |
| Parentmed Limited | Education | 2023 |
| Paris Nails & Beauty Ltd | Other services | 2025 |
| Park Cafe Heavitree Limited | Hospitality | 2021 |
| Park Farm Solar Limited | Energy | 2011 |
| Park GAS Limited | Other services | 2016 |
| Park Group (Heat Seal Lidding) Limited | Manufacturing | 2022 |
| Park Group South West Limited | Manufacturing | 1989 |
| Park Home Insulations Ltd | Construction | 2009 |
| Park House (Exeter) Limited | Health & social care | 2020 |
| Park Labelling and Packaging Limited | Manufacturing | 2004 |
| Park Labelling Limited | Real estate | 1996 |
| Park Lane Pinhoe Estate Management Company Limited | Households | 2020 |
| Park Leisure Solutions Ltd | Construction | 2017 |
| Park Life Heavitree | Hospitality | 2011 |
| Park Properties South West Limited | Real estate | 2022 |
| Park Research Limited | Administrative & support | 1996 |
| Parker Bell (Instruments) Ltd. | Manufacturing | 1998 |
| Parker Bell Holdings Limited | Manufacturing | 2015 |
| Parker Education Ltd | Education | 2022 |
| Parker Enterprises Group Ltd | Financial services | 2023 |
| Parker House (Poundbury) Management Company Limited | Real estate | 2024 |
| Parkerhouse Limited | Real estate | 2011 |
| Parkers of Exeter Limited | Real estate | 2021 |
| Parkfields (Topsham) Limited | Construction | 2002 |
| Parkham Holdings Limited | Financial services | 2021 |
| Parkin Estates Ltd. | Arts & recreation | 1941 |
| Parkinson (UK) Limited | Professional & scientific | 2001 |
| Parkwood Logistics Limited | Transport & logistics | 2026 |
| Parkwood Louvigny Limited | Professional & scientific | 2019 |
| Parli Solutions Ltd | Information & communication | 2025 |
| Parlington Energy Limited | Energy | 2024 |
| Parris Strategic Management Ltd | Professional & scientific | 2026 |
| Parrnoor Lettings Limited | Real estate | 2018 |
| Parry Orthopaedics Limited | Health & social care | 2019 |
| Parsons Nationwide Distribution Ltd. | Transport & logistics | 1999 |
| Partservice Limited | Wholesale & retail | 1981 |
| Party Animal Limited | Arts & recreation | 2014 |
| Party Animal Promotions Limited | Arts & recreation | 2014 |
| Party in the Castle Ltd | Other services | 2020 |
| Party Playzone Ltd | Arts & recreation | 2024 |
| PAS Sound & Communications Limited | Wholesale & retail | 2006 |
| Paschoe House LLP | | 2016 |
| Pasha Trade Bridge Ltd | Wholesale & retail | 2025 |
| Passage House (Title) Limited | Professional & scientific | 1992 |
| Passage House Limited | Hospitality | 2002 |
| Passfield Data Systems Limited | Information & communication | 1995 |
| Passio Group Limited | Hospitality | 2022 |