| Parce Bach Ltd | Agriculture & fishing | 2019 |
| Parevo Ltd. | Wholesale & retail | 2023 |
| Parish Stone Ltd | Manufacturing | 2019 |
| Park Agriculture Limited | Agriculture & fishing | 2007 |
| Park House Projects Ltd | Financial services | 2024 |
| Park Mews (Willand) Management Company Limited | Real estate | 2010 |
| Park Vale Limited | Real estate | 1999 |
| Park View Cotford ST. Luke Apartments Management Limited | Households | 2003 |
| Park View Cotford ST. Luke Estate Management Limited | Households | 2003 |
| Park-Moss Limited | Hospitality | 2020 |
| Parker Parker Limited | Other services | 2010 |
| Parker Tree Care Ltd | Administrative & support | 2023 |
| Parkgate House Holidays Limited | Hospitality | 2016 |
| Parkham Farms Limited | Manufacturing | 1988 |
| Parkside Accountancy Services (Taunton) Limited | Professional & scientific | 2014 |
| Parksway Court (Minehead) Limited | Households | 1977 |
| Parris Tractors Limited | Wholesale & retail | 2014 |
| Parsons Holding Company Limited | Real estate | 2004 |
| Parsons Landscapes Ltd. | Administrative & support | 1974 |
| Parsons Partners Limited | Agriculture & fishing | 2013 |
| Part-Two Creative Limited | Professional & scientific | 2017 |
| Party on Balloons Limited | Wholesale & retail | 2018 |
| Partycentrum DE Raaf Limited | Administrative & support | 2012 |
| PAS Engineering (Poole) Ltd | Other services | 2008 |
| Pasajada Properties Ltd | Real estate | 2024 |
| Pasj Ltd | Health & social care | 2023 |
| Pasm Services Ltd | Health & social care | 2024 |
| Passmore Property Ltd | Construction | 2015 |
| PAT Tomlinson Accountancy Ltd | Professional & scientific | 2019 |
| Pattern Forme Limited | Manufacturing | 1998 |
| Paul Aggarwal Ltd | Professional & scientific | 2010 |
| Paul Clothier Limited | Wholesale & retail | 2007 |
| Paul Davis Minehead Limited | Construction | 2012 |
| Paul Hardcastle Productions Limited | Arts & recreation | 1990 |
| Paul Hawkins OIL & GAS Burner Services Ltd | Construction | 2003 |
| Paul Horner DIP WCF Ltd | Agriculture & fishing | 2002 |
| Paul Martin Construction Ltd | Construction | 2021 |
| Paula Roberts Consulting Ltd | Professional & scientific | 2026 |
| Paulgoggle Ltd | Administrative & support | 2022 |
| Paulo & Tenei Ltd | Real estate | 2020 |
| Payfac Limited | Professional & scientific | 2023 |
| Payments Tech Ltd | Information & communication | 2023 |
| Payter Holdings Ltd | Financial services | 2024 |
| PC5A Limited | Administrative & support | 2009 |
| PCE Technology Ltd | Wholesale & retail | 2022 |
| PCJ Services Ltd | Manufacturing | 2023 |
| PCN Computers Limited | Information & communication | 2016 |
| Pcts Healthcare Services Ltd | Transport & logistics | 2025 |
| PD Commercial Services Limited | Administrative & support | 2024 |
| PD Properties (SW) Limited | Real estate | 2006 |
| Peace Accountancy Limited | Professional & scientific | 2010 |
| Peace of Mind Healthcare Ltd | Health & social care | 2013 |
| Peaceful Evolving Minds Limited | Health & social care | 2023 |
| Peacemarsh House Management Company Limited | Households | 2005 |
| Peaches Clothing Limited | Wholesale & retail | 2004 |
| Peachysoft Limited | Information & communication | 2021 |
| Peacock Courier Services Ltd | Transport & logistics | 2025 |
| Peak Digital Ltd | Information & communication | 2021 |
| Peak Escape Ltd | Administrative & support | 2023 |
| Pear Tree Residential Limited | Real estate | 2022 |
| Pearham Ltd | Professional & scientific | 2017 |
| Pearl Medical Consultancy Limited | Health & social care | 2014 |
| Pearls Petcare Limited | Health & social care | 2024 |
| Pearson & SON Properties Limited | Construction | 2017 |
| Peckham Investing Company Ltd | Financial services | 2025 |
| Pegasus 68 Club Ltd | Hospitality | 2023 |
| Pegasus Somerset Limited | Hospitality | 2024 |
| Peilow Properties Ltd | Real estate | 2020 |
| PEN ELM Investments Limited | Financial services | 1965 |
| Pencarrow Enterprises Ltd | Financial services | 2019 |
| Penguin Consultancy Ltd | Professional & scientific | 2022 |
| Penhale Quantock Limited | Manufacturing | 1994 |
| Penleo Projects Ltd | Other services | 2026 |
| Penmellyn Properties Limited | Real estate | 2018 |
| Pennar Lewis Holdings | Financial services | 2024 |
| Pennard Hill Kitchen Ltd | Hospitality | 2014 |
| Pennels Property Ltd | Real estate | 2020 |
| Pennymoor Estates Ltd | Financial services | 2025 |
| Pennymoor Timber Limited | Wholesale & retail | 2004 |
| Penpont Ecology Services Limited | Professional & scientific | 2016 |
| Penrose Developments Limited | Construction | 1992 |
| Penryn Surgery Holdings Limited | Professional & scientific | 2013 |
| Penstone Performance Ltd | Manufacturing | 2015 |
| Peony Savings Ltd | Financial services | 2024 |
| Peppercorn Farm Limited | Agriculture & fishing | 2015 |
| Perdicalis Limited | Professional & scientific | 2008 |
| Perdon Organics Limited | Agriculture & fishing | 2006 |
| Peregrine Accounting Ltd | Professional & scientific | 2015 |
| Perfect Beauty SW Limited | Other services | 2024 |
| Perfect Candidate Ltd | Administrative & support | 2016 |
| Perfect Pave Limited | Construction | 2005 |
| Perfect Sound Division Ltd. | Wholesale & retail | 2010 |
| Perfection Pools Limited | Construction | 2019 |
| Perficae Consulting Limited | Administrative & support | 2013 |
| Performance Driven Limited | Wholesale & retail | 2002 |
| Performance Simplified Ltd | Manufacturing | 2026 |
| Peridot Ltd | Wholesale & retail | 2024 |
| Periton Mead Management Company Limited | Real estate | 2023 |
| Perran Property Consultants Limited | Construction | 2025 |
| Perry & Prouse (South West) Limited | Wholesale & retail | 2013 |