| Pawton Manor Farm Ltd | Agriculture & fishing | 2025 |
| Pearl Homes and Health Ltd | Professional & scientific | 2021 |
| Peer Translators Limited | Professional & scientific | 2000 |
| Penfold Electrical & Renewables Ltd | Construction | 2026 |
| Pengelly CE Turbine Ltd | Energy | 2013 |
| Penmayne Business Centre Management Ltd | Real estate | 2024 |
| Pennycomequick PUB Limited | Hospitality | 2023 |
| Pentire Flats Management Company Limited | Real estate | 2017 |
| Pentire Rocks Management Limited | Households | 2006 |
| Peregrine Knight Bespoke Joinery Ltd | Manufacturing | 2025 |
| Perfect Paving Cornwall Limited | Construction | 2019 |
| Performex Ltd | Wholesale & retail | 2026 |
| Philips Rogers Limited | Administrative & support | 2017 |
| Phoenix Units Management Company Limited | Real estate | 2021 |
| Photon Engineers Ltd | Manufacturing | 2015 |
| Phrased and Confused Limited | Wholesale & retail | 2025 |
| Pipeline Intelligence Ltd | Professional & scientific | 2011 |
| Pittaway Limited | Construction | 1987 |
| Pityme Limited | Households | 2016 |
| Planning for Results Limited | Professional & scientific | 2013 |
| Platt TP Limited | Hospitality | 2022 |
| Play Nicely Theatre Community Interest Company | Arts & recreation | 2019 |
| Polly Publicity Ltd | Professional & scientific | 2023 |
| Polmorla Cuisine Limited | Hospitality | 2024 |
| Polperro Limited | Hospitality | 2024 |
| Polz Designs Ltd | Wholesale & retail | 2020 |
| Polzeath Beach Holiday Park Limited | Hospitality | 2009 |
| Polzeath Catering Ltd | Wholesale & retail | 2026 |
| Polzeath Leisure Ltd | Arts & recreation | 2023 |
| Polzeath Village CIC | Financial services | 2024 |
| POP Cornwall Ltd | Wholesale & retail | 2014 |
| Porthilly Gallery & Studio Ltd | Arts & recreation | 2017 |
| Porthilly Properties Limited | Professional & scientific | 2014 |
| Porthilly Shellfish Ltd | Wholesale & retail | 2018 |
| PRC Certificates Limited | Construction | 2018 |
| PRC Properties UK Limited | Construction | 2021 |
| Predn Surf Co Ltd | Manufacturing | 2018 |
| Preview Consultants Limited | Professional & scientific | 2002 |
| Priory Estates (Cornwall) Limited | Real estate | 1965 |
| Producer Parks Ltd | Professional & scientific | 2024 |
| Professional Agriculture Limited | Administrative & support | 2005 |
| Professional Financial Planning Services (Pfps) Ltd | Financial services | 2002 |
| Project Ergo Limited | Wholesale & retail | 2013 |
| Proptom Limited | Real estate | 2019 |
| PSW Solutions Limited | Professional & scientific | 2016 |
| Pure Motorsport UK Limited | Wholesale & retail | 2010 |
| Quality Management Systems Solutions Ltd | Professional & scientific | 2023 |
| Quay 4 Ltd | Wholesale & retail | 2009 |
| Quayside House (Wadebridge) Limited | Real estate | 2002 |
| Quilliam AI Ltd | Information & communication | 2026 |
| Quin Developments Limited | Construction | 2019 |
| R Clemens Limited | Construction | 2007 |
| R Symons Enterprises LLP | | 2013 |
| R Wills Limited | Agriculture & fishing | 2002 |
| R.Eyres Limited | Real estate | 1936 |
| Rannijow Victoria SW Ltd | Real estate | 2010 |
| RAY Davies Foods Limited | Hospitality | 2003 |
| RB Solutions South West Ltd. | Administrative & support | 2025 |
| Re-Wired Ranges Ltd | Construction | 2019 |
| Reamio Ltd | Other services | 2024 |
| RED48 Limited | Wholesale & retail | 2018 |
| Reef Water Solutions Ltd | Water & waste | 2002 |
| Refrigeration South West Ltd. | Construction | 1986 |
| REG Hambly Insurance Brokers LLP | | 2018 |
| Revolve Marketing Limited | Professional & scientific | 2004 |
| Revs Restoration Ltd | Administrative & support | 2025 |
| Rick Stein Productions Limited | Information & communication | 2020 |
| Rickardsfootwear Ltd | Wholesale & retail | 2026 |
| Rising Ground Limited | Manufacturing | 2016 |
| Riverview (Wadebridge) Limited | Real estate | 2004 |
| Rljc PUB Limited | Hospitality | 2025 |
| RMT Enterprises Ltd | Education | 2020 |
| ROB Taylor (Padstow) Limited | Construction | 2003 |
| Robbies Roadshow Disco Ltd. | Other services | 2009 |
| Robert Dagley Electrical Contractor Ltd | Construction | 2013 |
| Robertson's Jewellers Limited | Administrative & support | 2003 |
| Robi 23 Limited | Hospitality | 2021 |
| Rock Fish and Chips Limited | Hospitality | 2021 |
| Rock Marine Services Limited | Manufacturing | 2003 |
| Rock Padstow Clothing Company Ltd | Extraterritorial | 2019 |
| Rock Sailing Club (Holdings) Limited | Professional & scientific | 1973 |
| Rockabye Hire Ltd | Administrative & support | 2026 |
| Rogill Properties Limited | Real estate | 2014 |
| Roscarrock Estates Limited | Real estate | 2018 |
| Rosmor Ltd | Construction | 2026 |
| Rotarians Eliminating Malaria in Tanzania Limited | Health & social care | 2008 |
| S & L Allen Ltd | Wholesale & retail | 2013 |
| S Goodman Plumbing & Heating Limited | Construction | 2007 |
| S&J Solar Limited | Manufacturing | 2013 |
| Salebond Limited | Professional & scientific | 1982 |
| Salt Bakery Limited | Wholesale & retail | 2026 |
| Salt Polzeath Fish & Chips Limited | Wholesale & retail | 2024 |
| Salt Stone Studio Cornwall Ltd | Manufacturing | 2026 |
| Saunas by Design Limited | Manufacturing | 2026 |
| Saunas by the Sea Ltd | Health & social care | 2022 |
| Saxdene Builders Limited | Construction | 2014 |
| Scarceparts Limited | Wholesale & retail | 2020 |
| Scott ELY Associates Limited | Professional & scientific | 2002 |
| Seaforde Limited | Construction | 1993 |
| Season Inspired Creations Limited | Hospitality | 2025 |