| PNC Plymouth Ltd | Administrative & support | 2022 |
| Po&A Holdings Ltd | Professional & scientific | 2024 |
| Pocket Lounge TCG Ltd | Wholesale & retail | 2024 |
| Pointon Apartments Ltd | Real estate | 2019 |
| Pokey Hunter Ltd | Wholesale & retail | 2024 |
| Poképortal Ltd | Wholesale & retail | 2024 |
| Polar Energy Ltd | Construction | 2023 |
| Poli Construction Services Limited | Construction | 2019 |
| Polished Nails & Beauty Limited | Other services | 2026 |
| Pollenize Community Interest Company | Agriculture & fishing | 2018 |
| Polmary House Ltd | Construction | 2021 |
| Polmear Owners Company Limited | Real estate | 2022 |
| Polyseal Construction Limited | Construction | 2019 |
| Pom's Tuition Services Limited | Education | 2023 |
| Pomeroy (SW) Ltd | Construction | 2017 |
| Pomeroy Holdings Limited | Financial services | 2026 |
| Pomeroy's Performing Arts Academies Ltd | Arts & recreation | 2021 |
| Pommers Productions Limited | Administrative & support | 2023 |
| Pomphlett Holdings Ltd | Real estate | 2025 |
| Pomphlett Quays Limited | Extraterritorial | 2016 |
| Ponic Properties Ltd | Real estate | 2023 |
| Poolearth Healthcare Limited | Financial services | 2023 |
| Poolearth Limited | Wholesale & retail | 1997 |
| Poolearth Torquay Limited | Wholesale & retail | 2004 |
| POP Galaxy Collectibles LLP | | 2023 |
| Pop-In Foods Ltd | Hospitality | 2015 |
| Poppies (Exeter) Limited | Administrative & support | 2011 |
| Poppies Plymouth Ltd | Wholesale & retail | 2025 |
| Poppy Field Estate Agents Limited | Real estate | 2022 |
| Poppy's Pet Crematorium Plymouth Limited | Water & waste | 2026 |
| Porsham Close Belliver MOT Centre Ltd | Manufacturing | 2013 |
| Port O Call Restaurant SW Ltd | Hospitality | 2018 |
| Portcullis Law Limited | Professional & scientific | 2017 |
| Portcullis Legals Limited | Professional & scientific | 2001 |
| Porteous Estates Ltd | Real estate | 2026 |
| Porteous Groundworks Ltd | Construction | 2021 |
| Porteous Investments Ltd | Financial services | 2023 |
| Porteous Plant Ltd | Administrative & support | 2026 |
| Portivo Customs Ltd | Transport & logistics | 2026 |
| Ports & Coastal Marine Services (UK) Ltd | Transport & logistics | 2024 |
| POS (Installations) Ltd | Construction | 2025 |
| Poseidon House Management Limited | Real estate | 2013 |
| Poshwelt Ltd | Extraterritorial | 2025 |
| Posidacious Limited | Information & communication | 2012 |
| Positive (Holdings) Limited | Financial services | 2014 |
| Positive Feedback Ltd | Construction | 2010 |
| Positive Purchasing Limited | Professional & scientific | 2003 |
| Positive Steps Care & Support Limited | Public administration | 2019 |
| Postgrad Solutions Ltd | Professional & scientific | 2006 |
| Posuna Solutions Ltd | Information & communication | 2026 |
| Potentora Ltd | Information & communication | 2026 |
| Poulston Limited | Hospitality | 2015 |
| Pound Enterprise Ltd | Wholesale & retail | 2022 |
| Pound Property Investments Limited | Hospitality | 2022 |
| Power House (SW) Investment Ltd | Manufacturing | 2026 |
| Power Land Investment Ltd | Real estate | 2021 |
| Power Pulse Cleaning Ltd | Administrative & support | 2026 |
| Power Raffles Ltd | Arts & recreation | 2026 |
| Powercore Limited | Administrative & support | 1998 |
| Powerflex Fitness International Limited | Wholesale & retail | 2025 |
| PPE Footwear Limited | Wholesale & retail | 2018 |
| PPM Group Holdings Limited | Financial services | 2025 |
| Pprefinishing Limited | Construction | 2024 |
| PPS Services (SW) Limited | Transport & logistics | 2022 |
| PR Nautica Limited | Manufacturing | 2006 |
| PR Properties (UK) Limited | Real estate | 2008 |
| PR Supermarket Ltd | Wholesale & retail | 2021 |
| Pragmatica Tech Ltd | Information & communication | 2025 |
| Prasad & Sons Ltd | Real estate | 2025 |
| Precious Glow Studio Limited | Wholesale & retail | 2026 |
| Precious Plastic Plymouth and Tavistock CIC | Manufacturing | 2021 |
| Precise Accountants Ltd | Professional & scientific | 2018 |
| Precision Carpentry Services Limited | Construction | 2018 |
| Precision Cellular Storage Ltd. | Health & social care | 2005 |
| Precision Elite Services Ltd | Administrative & support | 2026 |
| Precision Hair Limited | Other services | 2006 |
| Precision Health & Training Limited | Health & social care | 2022 |
| Precision Kickers Football Development Ltd | Arts & recreation | 2026 |
| Precision Purpose Rail Ltd | Professional & scientific | 2016 |
| Precision Roofing Plymouth Limited | Construction | 2022 |
| Preetlent Ltd | Wholesale & retail | 2025 |
| Premier Car Sales Paignton Limited | Wholesale & retail | 2023 |
| Premier Car Sales Torbay Limited | Wholesale & retail | 2022 |
| Premier Care (Plymouth) Limited | Health & social care | 2006 |
| Premier Construction SW Limited | Construction | 2019 |
| Premier Design & Build (South West) Ltd | Construction | 2014 |
| Premier Developments (1995) Limited | Real estate | 1995 |
| Premier Housing Options Limited | Real estate | 2013 |
| Premier Pest and Wildlife Management Limited | Administrative & support | 2022 |
| Premier Plymouth Rentals Limited | Real estate | 2024 |
| Premier Plymouth Valeting Limited | Other services | 2018 |
| Premier Property Holdings Limited | Real estate | 2016 |
| Premier Tinting Plymouth (SW) Ltd | Wholesale & retail | 2024 |
| Premier Tinting Plymouth Ltd | Wholesale & retail | 2017 |
| Premier Vauxhall Holdings Limited | Financial services | 2018 |
| Premier Vauxhall Spares Limited | Wholesale & retail | 2006 |
| Premier Waste Solutions Limited | Water & waste | 2018 |
| Premiere Health Limited | Hospitality | 1996 |
| Premiumcarsplymouth Ltd | Transport & logistics | 2020 |
| Prensus Limited | Extraterritorial | 2008 |