| Prestige Professional SW Limited | Administrative & support | 2022 |
| Proplumb South West Ltd | Construction | 2021 |
| Prosaddles Limited | Wholesale & retail | 2014 |
| Protekt Safety Wear Ltd | Wholesale & retail | 2018 |
| Pyrrhocorax Avosetta Ltd | Professional & scientific | 2021 |
| Q-Suito Limited | Financial services | 2023 |
| Quirk Solutions Limited | Professional & scientific | 2011 |
| R P B Motors Callington Limited | Wholesale & retail | 2013 |
| R.D Vending Ltd | Hospitality | 2025 |
| R.S. Trading (South West) Limited | Wholesale & retail | 2003 |
| R4TELECOM Limited | Information & communication | 2003 |
| Rachel ANN Edwards Ltd | Extraterritorial | 2025 |
| Radland Building Supplies Limited | Wholesale & retail | 2020 |
| Radland Haulage Limited | Transport & logistics | 2018 |
| Reco Energy Ltd | Construction | 2022 |
| Redmoor Minerals Limited | Real estate | 2011 |
| Residential Investment Property Limited | Real estate | 1999 |
| Retrashade Ltd | Manufacturing | 2020 |
| Revolution Wheel Refurbishment Ltd | Construction | 2025 |
| Rill Organic Transformation (ROT) CIC | Agriculture & fishing | 2010 |
| River Ecosystem Services Limited | Professional & scientific | 2013 |
| Room in the Loft Limited | Extraterritorial | 2013 |
| Roskilly & Henwood Limited | Wholesale & retail | 2014 |
| RSD Trading Limited | Wholesale & retail | 2005 |
| Ruby's Car Sales Limited | Wholesale & retail | 2013 |
| Ruby's Garage Limited | Wholesale & retail | 1998 |
| Rundles Limited | Real estate | 2003 |
| RW Carter Contractors Ltd | Construction | 2023 |
| Salisbury Partners Limited | Professional & scientific | 2025 |
| Scan Print Art Centre Ltd | Wholesale & retail | 2021 |
| Sealflex Operations Limited | Professional & scientific | 2002 |
| Sean Holebrook Company Ltd. | Mining & quarrying | 2018 |
| Search Solved Ltd | Professional & scientific | 2019 |
| Searle Property Group Ltd | Real estate | 2024 |
| Seaways Professional Training Limited | Education | 2003 |
| Second to None Stoves Ltd | Other services | 2024 |
| Selleck Nicholls Limited | Construction | 1999 |
| Sevenstoneshr Limited | Professional & scientific | 2017 |
| SG Plumbing & Heating SW Limited | Construction | 2017 |
| SG Properties (SW) Ltd | Real estate | 2024 |
| SG Specialist Surgery Ltd | Health & social care | 2023 |
| Silea Transport Ltd | Transport & logistics | 2025 |
| Silverback Precision Ltd | Construction | 2025 |
| Silvert, Linch Managements Limited | Real estate | 1973 |
| Simon Clewes & Company Limited | Wholesale & retail | 2002 |
| Simon Davies Kitchens and Bathrooms Ltd | Construction | 2025 |
| Simon Stevens Media Ltd | Information & communication | 2022 |
| Simple by Design Limited | Manufacturing | 2006 |
| Sitetosee.Com Limited | Other services | 2006 |
| Skeps Kernow Limited | Professional & scientific | 2026 |
| Skills Barber Ltd | Other services | 2026 |
| Soaposh Limited | Wholesale & retail | 2013 |
| Somerwall Ltd | Construction | 2020 |
| Sonder Homes Limited | Construction | 2019 |
| South West Picture Framing Ltd | Extraterritorial | 2020 |
| South West Spectacles Ltd | Wholesale & retail | 2022 |
| Southcott Financial Planning Limited | Financial services | 2015 |
| Southpoint 762 Ltd | Arts & recreation | 2023 |
| Spider Duck Ltd | Real estate | 2020 |
| Squared Protein Ltd | Manufacturing | 2023 |
| SSE Foods Ltd | Hospitality | 2025 |
| Ssjs Carpentry Services Limited | Construction | 2017 |
| ST Mellion Park Residents Association Limited | Real estate | 1998 |
| ST. Mellion Residential Limited | Households | 1989 |
| Stitches & Cream Falmouth Ltd | Wholesale & retail | 2018 |
| STM Bodyworks SW Limited | Wholesale & retail | 2021 |
| Stoke Climsland Community Project Ltd. | Health & social care | 1997 |
| Stonebridge Enterprise Group Limited | Financial services | 2026 |
| Studio Khid Limited | Professional & scientific | 2022 |
| Sunnyside Eco Glamping Ltd | Hospitality | 2023 |
| T Burnard & SON Limited | Construction | 2003 |
| T.C. Shedworx Ltd | Wholesale & retail | 2025 |
| Tamar Campervans Limited | Manufacturing | 2013 |
| Tamar Farms LLP | | 2011 |
| Tamar Grow Local CIC | Agriculture & fishing | 2007 |
| Tamar Marine Engineering Ltd | Professional & scientific | 2003 |
| Tamar Trades Limited | Construction | 2012 |
| Tamar Valley Podiatry Ltd | Health & social care | 2024 |
| Taylored Integration Solutions Limited | Information & communication | 2009 |
| TCB (Performance Parts) Limited | Wholesale & retail | 1998 |
| Technology Creative Limited | Professional & scientific | 2005 |
| Tenchi Landscape Gardeners Limited | Administrative & support | 2002 |
| Terravictus Ltd | Professional & scientific | 2015 |
| TG Rail Ltd | Transport & logistics | 2013 |
| THE Beeches (Cornwall) Management Company Limited | Households | 2013 |
| THE Bulls Head (Cornwall) Ltd | Hospitality | 2021 |
| THE Cosy Corner Collection Ltd | Wholesale & retail | 2026 |
| THE Debonair Hillbilly Limited | Manufacturing | 2025 |
| THE East Cornwall Mining History Association Limited | Arts & recreation | 2000 |
| THE Great British Liqueur Company Ltd | Manufacturing | 2020 |
| THE HEN House Farm LLP | | 2017 |
| THE Honicombe Arms Ltd | Hospitality | 2018 |
| THE Horsebridge Inn (Devon) Ltd | Hospitality | 2021 |
| THE Insight Centre Limited | Information & communication | 2003 |
| THE Marketing-Pr Company Limited | Professional & scientific | 2004 |
| THE Old Clink Callington Limited | Hospitality | 2015 |
| THE Old Clink Limited | Hospitality | 2012 |
| THE Omni Market Limited | Administrative & support | 2010 |
| THE Plymouth Fitness Company Ltd | Arts & recreation | 2018 |
| THE Real Mums Club Limited | Information & communication | 2013 |