| THE Logan Rock Inn Limited | Hospitality | 2021 |
| THE Long Table Limited | Hospitality | 2015 |
| THE Long Table PUB Co Limited | Hospitality | 2021 |
| THE Malabar Film Unit Ltd | Information & communication | 2026 |
| THE Mindful Chefette Ltd | Hospitality | 2024 |
| THE Mockingbird Mimosa Lounge Limited | Hospitality | 2019 |
| THE Ms&D Group Ltd | Financial services | 2024 |
| THE Nest (Charlestown) Management Company Limited | Households | 2021 |
| THE Nest Charlestown Ltd | Construction | 2020 |
| THE Nest Non-Profit Ltd | Education | 2023 |
| THE Nest Rentals (NO 10) Ltd | Real estate | 2022 |
| THE New Trevethan Court (Management) Company Limited | Households | 1991 |
| THE North's Property Company Limited | Real estate | 2019 |
| THE Old Chapel (Helston) Residents Management Company Limited | Real estate | 2009 |
| THE Old Coal Yard (Grampound) Management Company Ltd | Households | 2023 |
| THE Old Grammar School Limited | Hospitality | 2025 |
| THE Old Manor House Bodmin Management Company Limited | Households | 2007 |
| THE Old Mill Village Shop Ltd | Wholesale & retail | 2017 |
| THE Old Schoolhouse (Carnkie) Limited | Households | 2013 |
| THE Online Book Company Limited | Information & communication | 1998 |
| THE Original Artshop 2019 Limited | Arts & recreation | 2019 |
| THE Outdoor Place CIC | Education | 2018 |
| THE Outfit Box Ltd | Wholesale & retail | 2014 |
| THE Pier Apartments Falmouth Management Company Limited | Households | 2012 |
| THE Potting Shed Minerals Limited | Mining & quarrying | 2024 |
| THE Ranch (Cornwall) Limited | Hospitality | 2019 |
| THE Really Useful Advice Company Ltd. | Professional & scientific | 2010 |
| THE Regenerative Collective C.I.C. | Agriculture & fishing | 2025 |
| THE River Practice Limited | Health & social care | 2008 |
| THE Rocket House Management Company Limited | Households | 2004 |
| THE Roofers of UK Ltd | Construction | 2025 |
| THE Rooftop Rain Company Limited | Water & waste | 2012 |
| THE Roseland Multi Academy Trust | Education | 2011 |
| THE Roseland Nursery Ltd | Wholesale & retail | 2005 |
| THE Roundhouse (Truro) Limited | Real estate | 2007 |
| THE Royal Institution of Cornwall | Arts & recreation | 2013 |
| THE Saint Mawes Harbour Conservation Trust | Professional & scientific | 2009 |
| THE Sands Management Company (Carbis Bay) Limited | Households | 2007 |
| THE School Sign Shop Limited | Extraterritorial | 2022 |
| THE Sea Bean Ltd | Hospitality | 2020 |
| THE Self Development Coach Ltd | Health & social care | 2023 |
| THE Sidings Management Company (Truro) Limited | Households | 2007 |
| THE Skin & Body Enhancement Clinic Ltd | Health & social care | 2022 |
| THE Smarter Cleaning Company Limited | Administrative & support | 2015 |
| THE Sportsman GUN Centre Holdings Limited | Financial services | 2025 |
| THE Sportsman GUN Centre Limited | Wholesale & retail | 2010 |
| THE Stone Doctor (SW) Limited | Construction | 2006 |
| THE Store (IOS) Ltd | Wholesale & retail | 2019 |
| THE Strand Porth Ltd | Administrative & support | 2018 |
| THE Streetbox Ltd | Wholesale & retail | 2025 |
| THE Supported Housing Maintenance CIC | Construction | 2025 |
| THE Sustain Ability Project CIC | Administrative & support | 2021 |
| THE Sweet Spot Cornwall Ltd | Hospitality | 2026 |
| THE Tiplady Partnership Limited | Construction | 2016 |
| THE Treatment Centre Limited | Health & social care | 2011 |
| THE Tree DUO Ltd | Professional & scientific | 2025 |
| THE Undercover Evolve LAB Ltd | Information & communication | 2021 |
| THE Valley Cottages Limited | Administrative & support | 2003 |
| THE Victoria Quay Residents Association Limited | Households | 1987 |
| THE View (ST Ives) Freeholders Limited | Households | 2016 |
| THE View (ST Ives) Management Company Limited | Households | 2014 |
| THE Village (Quintrell Downs) Management Company Limited | Households | 2014 |
| THE Vines Management Company Limited | Real estate | 2018 |
| THE Vintage Guys Ltd | Professional & scientific | 2019 |
| THE Virtual Educational Psychology Service Limited | Education | 2024 |
| THE Warehouse Bistro Ltd | Hospitality | 2012 |
| THE Wellbeing Company Cornwall Ltd. | Health & social care | 2011 |
| THE White Lodge Property (Cornwall) Limited | Real estate | 2006 |
| THE Whitehouse Owners Limited | Households | 2014 |
| THE WIG & PEN Southwest Ltd | Hospitality | 2024 |
| THE Willow Box Limited | Wholesale & retail | 2025 |
| THE Willow House Canine Retreat Limited | Other services | 2026 |
| THE Worst Generation Ltd | Other services | 2025 |
| THE Yards Group Limited | Extraterritorial | 2015 |
| Thekitchenco Ltd | Manufacturing | 2022 |
| Theobald Tarmacadam Limited | Construction | 2005 |
| Therarad Consulting Ltd | Health & social care | 2025 |
| Think Engineering Limited | Manufacturing | 2015 |
| Third Nature Tech Ltd | Professional & scientific | 2020 |
| Third Wind Renewables Limited | Energy | 2014 |
| Thomas Bray Consulting Limited | Professional & scientific | 2003 |
| Thompson & Galliano Limited | Manufacturing | 2025 |
| Thompson Arts Limited | Arts & recreation | 1986 |
| Three Rivers Furniture Limited | Wholesale & retail | 2012 |
| Three Rivers House Truro Property Management Ltd | Real estate | 2020 |
| Three Spires Medical Limited | Health & social care | 2026 |
| Threemilestone Garage Ltd | Wholesale & retail | 2018 |
| Thula Consultancy Ltd | Professional & scientific | 2025 |
| Thymewhys Limited | Professional & scientific | 2015 |
| TIA Construction Limited | Construction | 2024 |
| TIA Developments Limited | Construction | 2024 |
| Ticeans Engineering Limited | Professional & scientific | 2012 |
| Tickets Cornwall Limited | Extraterritorial | 2007 |
| Tickify Ltd | Administrative & support | 2022 |
| Tidal Reach Construction Limited | Construction | 2017 |
| Tide and Tail Ltd | Wholesale & retail | 2024 |
| Tide Physiotherapy and Health Ltd | Other services | 2026 |
| Tidefire Ltd | Other services | 2026 |
| Tidelines Pentire Management Company Limited | Households | 2022 |
| Tides Reach (Newquay) Property Management Company Limited | Households | 2021 |