| Ovolo Interiors Limited | Professional & scientific | 2003 |
| Oxley Marine Engineering Ltd | Professional & scientific | 2026 |
| Paddle Holdings Limited | Financial services | 2021 |
| Paddle the Dart Ltd | Administrative & support | 2021 |
| Paddock Automotive Limited | Extraterritorial | 2012 |
| Pageturners Publishing Limited | Information & communication | 2013 |
| Palmer Sawyer Ltd | Construction | 2012 |
| Palmer Sawyer Properties Ltd | Real estate | 2026 |
| Paper Scissor Stone Ltd | Construction | 2025 |
| Parfitt and Stevens Ltd | Information & communication | 2015 |
| Park School | Education | 1987 |
| Parlington Properties Limited | Real estate | 1963 |
| Parslow Ltd | Health & social care | 2024 |
| Patch Properties Devon Ltd | Real estate | 2022 |
| Patcham PUB Company Limited | Hospitality | 2016 |
| Patent Annuity Costs Limited | Professional & scientific | 2015 |
| Pattinson 3 Limited | Real estate | 2009 |
| Pattinson Abraham Ltd | Financial services | 2025 |
| Pattinson Abraham Property Ltd | Real estate | 2025 |
| Pattinson Hisk Ltd | Financial services | 2025 |
| Pattinson Hisk Property Ltd | Real estate | 2025 |
| Pattinson Ives Ltd | Financial services | 2025 |
| Pattinson Ives Property Ltd | Real estate | 2025 |
| Paul Honey Ltd | Information & communication | 2015 |
| Paul Newbery Ltd | Information & communication | 2014 |
| PCC Office Supplies Limited | Wholesale & retail | 2006 |
| Pdcr Healthcare Leadership Ltd | Professional & scientific | 2024 |
| Peach Property Management (Devon) Limited | Real estate | 1999 |
| Peculiar Publications Limited | Information & communication | 2018 |
| Penelope TOM Direct Limited | Wholesale & retail | 2013 |
| Penelope TOM Holdings Limited | Wholesale & retail | 2021 |
| Penhale Properties Ltd | Real estate | 2025 |
| People and Potential Limited | Administrative & support | 2016 |
| Peregrine Pictures Limited | Real estate | 2016 |
| Peritus Building Company Ltd | Construction | 2020 |
| Peritus Digital Limited | Information & communication | 2017 |
| Personal Mortgagecare Limited | Extraterritorial | 2004 |
| Philip Nash Design Limited | Administrative & support | 2003 |
| Phoenix VFX Academy Ltd | Extraterritorial | 2021 |
| PHP Law LLP | | 2019 |
| Phre Trees Ltd | Agriculture & fishing | 2022 |
| Pierre Louis Creative Limited | Wholesale & retail | 2023 |
| Pink Tree Psychology Limited | Other services | 2022 |
| Pippi & ME Trading Ltd | Information & communication | 2016 |
| Pirate Ltd | Administrative & support | 2013 |
| PJH Solutions Ltd | Real estate | 2023 |
| Planet Detox Limited | Wholesale & retail | 2020 |
| Plant World Devon Ltd | Agriculture & fishing | 2003 |
| Platten Advisory Services Ltd | Professional & scientific | 2025 |
| Playground Arts CIC | Arts & recreation | 2025 |
| PLR20 Properties Ltd | Real estate | 2026 |
| Plum Equestrian (Horseboxes) Limited | Wholesale & retail | 2026 |
| Plum Equestrian Limited | Wholesale & retail | 2021 |
| Plus Alpha Translations Ltd | Information & communication | 2019 |
| Plus Will Ltd | Information & communication | 2022 |
| Plymouth Dance CIC | Arts & recreation | 2011 |
| Podforge Ltd | Information & communication | 2024 |
| Polaris Event Management Limited | Administrative & support | 2025 |
| Pomeroy House Management Company Limited | Real estate | 2015 |
| Poppy Developments Limited | Construction | 2012 |
| Poppy Developments Prestige Ltd | Construction | 2018 |
| Poppy Okotcha Limited | Arts & recreation | 2022 |
| Porter Travels Limited | Manufacturing | 2020 |
| Portishead Property Ltd | Real estate | 2019 |
| Pots N Paddles Ltd | Hospitality | 2022 |
| Powderham Properties (Allco) Ltd | Real estate | 2017 |
| Powderham Properties (Jamco) Ltd | Real estate | 2017 |
| Powderham Properties (Ricco) Ltd | Real estate | 2017 |
| Powderham Properties (Teignmouth) Limited | Real estate | 1962 |
| Powderham Properties (Zoeco) Ltd | Real estate | 2017 |
| Prep Medical Ltd | Education | 2021 |
| Prestige Accident Repairs Limited | Wholesale & retail | 2008 |
| Pro Nautique Limited | Manufacturing | 2025 |
| Probar Services Limited | Wholesale & retail | 1987 |
| Prodek SW Limited | Construction | 2024 |
| Profecta Limited | Real estate | 2016 |
| Project Northway Limited | Hospitality | 2020 |
| Pruston Barton Court Management Company Limited | Real estate | 2002 |
| Psychology Expert Services Ltd | Health & social care | 2008 |
| Purawave Ltd | Wholesale & retail | 2022 |
| Push Music Promotions Limited | Arts & recreation | 2008 |
| PW Shoes Ltd | Wholesale & retail | 2026 |
| Qualified Professionals Ltd | Professional & scientific | 2011 |
| Quarry Close Management Company Limited | Real estate | 2005 |
| Quay Place (Tuckenhay) Management Limited | Households | 2021 |
| Question Mark Limited | Professional & scientific | 1997 |
| Quick Planning Solutions Limited | Professional & scientific | 2013 |
| R & D Machinery Limited | Wholesale & retail | 2006 |
| R D & H J Rowden Limited | Agriculture & fishing | 2002 |
| R W Events Ltd | Administrative & support | 2014 |
| Racecourse Garage (Totnes) Limited | Wholesale & retail | 2016 |
| Radical Ecology CIC | Professional & scientific | 2021 |
| Radleyveale Limited | Construction | 2023 |
| Rainbow Angel Stars Limited | Hospitality | 2018 |
| Randall Brandwood Consultants Limited | Professional & scientific | 2016 |
| Rarconsult Ltd | Professional & scientific | 2020 |
| Rational Partners Advisory Limited | Information & communication | 2022 |
| Rattery Court Management Limited | Households | 2007 |
| Ravenspring Limited | Manufacturing | 1975 |
| RAW Living Limited | Wholesale & retail | 2005 |