| Tecwomen CIC | Administrative & support | 2022 |
| Teknogel Solutions Limited | Information & communication | 2014 |
| Tekter Limited | Professional & scientific | 2020 |
| Templar & Spearing Ltd | Hospitality | 2019 |
| Templar Southwest Limited | Professional & scientific | 2010 |
| TEN TEN Coffee Ltd | Hospitality | 2025 |
| Tentatore Ltd | Real estate | 2010 |
| Terracarne Ltd | Construction | 2024 |
| Terrafarmer Agriculture Ltd | Agriculture & fishing | 2021 |
| Tevi Consulting Limited | Other services | 2023 |
| That's Catering Limited | Hospitality | 2011 |
| THE ( W H E ) Wave Hade Enough Movement (Clothing Brand) Ltd | Wholesale & retail | 2022 |
| THE 57 Lemon Street Management Company Limited | Extraterritorial | 2014 |
| THE Andrew Alderson Partnership Limited | Information & communication | 2010 |
| THE Arborist Cafe Ltd | Hospitality | 2025 |
| THE Arts Team Limited | Arts & recreation | 2010 |
| THE Barclay Cottages (Looe) Ltd | Real estate | 2014 |
| THE Barns (Cornwall) Limited | Real estate | 2019 |
| THE Bay Hotel (Newquay) Limited | Hospitality | 2002 |
| THE Bearded Brewery Ltd | Manufacturing | 2024 |
| THE Big Apple Cider Festival Ltd | Arts & recreation | 2013 |
| THE Big Outdoors Company Limited | Wholesale & retail | 2008 |
| THE Birds Nest Cornwall Limited | Wholesale & retail | 2025 |
| THE Breakwater Pentire Ltd | Real estate | 2020 |
| THE Breed Method Ltd | Arts & recreation | 2026 |
| THE Brothers Car LOT Ltd | Wholesale & retail | 2017 |
| THE Build Marketing Team Limited | Professional & scientific | 2026 |
| THE Buoyant Nomads Ltd | Hospitality | 2025 |
| THE CAD Group Ltd | Professional & scientific | 2026 |
| THE Carbis Beach Apartments Management Company Limited | Households | 2000 |
| THE Carp Forum Awards Ltd | Information & communication | 2024 |
| THE Cedars Home Improvements Ltd | Construction | 2013 |
| THE Cedars Truro RTM Company Limited | Households | 2010 |
| THE Celtic Tossers AXE Throwing (Truro) Ltd | Arts & recreation | 2021 |
| THE Celtic Tossers AXE Throwing Ltd | Arts & recreation | 2020 |
| THE Chantry (Okehampton) Management Company Limited | Households | 1989 |
| THE City Foundry Limited | Real estate | 2012 |
| THE Clock Clinic (SW) Ltd | Other services | 2018 |
| THE Co Group Ltd | Real estate | 2020 |
| THE Coconut BEE Ltd | Wholesale & retail | 2025 |
| THE Compliance Partnership Limited | Professional & scientific | 2005 |
| THE Cornish Buffalo Ltd | Agriculture & fishing | 2022 |
| THE Cornish Candle Company Limited | Manufacturing | 2014 |
| THE Cornish Cartridge Centre Ltd | Information & communication | 2009 |
| THE Cornish Company SW Ltd | Wholesale & retail | 2016 |
| THE Cornish Dog Barber Ltd | Other services | 2024 |
| THE Cornish Funeral Company Limited | Other services | 2020 |
| THE Cornish Larder Ltd | Manufacturing | 2023 |
| THE Cornish Pasta Co Ltd | Manufacturing | 2020 |
| THE Cornish Spark Limited | Construction | 2025 |
| THE Cornish Spirits Drink Company Limited | Wholesale & retail | 2019 |
| THE Cornish Vineyard Ltd | Agriculture & fishing | 2020 |
| THE Cornish Workshop Limited | Manufacturing | 2011 |
| THE Cornwall 500 CIC | Education | 2024 |
| THE Cornwall and West Country Craft Brewing Company Limited | Real estate | 2014 |
| THE Cornwall Blind and Partially Sighted Association | Other services | 2005 |
| THE Cornwall COW Company Limited | Agriculture & fishing | 2004 |
| THE Cornwall Property Manager Ltd | Real estate | 2024 |
| THE Cornwall Taxi Company Ltd | Transport & logistics | 2021 |
| THE Courtyard (David Penhaligon Way) Property Company Limited | Households | 1995 |
| THE Cove Holdings Limited | Hospitality | 2019 |
| THE Cove Management Company Limited | Households | 2006 |
| THE Crescent (Truro) Management Company Limited | Households | 2021 |
| THE Crown Carpet Company(Truro) Ltd | Wholesale & retail | 2019 |
| THE Custom Bicycle Company Ltd | Wholesale & retail | 2025 |
| THE Deanery Practice Ltd | Real estate | 2013 |
| THE Dental Hygiene Suite Ltd | Health & social care | 2016 |
| THE Electroncompany Ltd | Information & communication | 2011 |
| THE Embassy of Cornwall and the Isles of Scilly CIC | Other services | 2017 |
| THE Epiphany Trust (Truro) Limited | Other services | 1956 |
| THE Equine Podiatry Association (UK) | Other services | 2006 |
| THE FAL Anglers Ltd | Information & communication | 2025 |
| THE Falmouth Pilot Cutter CIC | Manufacturing | 2016 |
| THE Fistral Beach Pasty Shack Limited | Extraterritorial | 2020 |
| THE Four Shores Group Ltd | Administrative & support | 2025 |
| THE Friary Court (Saltash) Management Company Limited | Households | 1986 |
| THE Galleries (ST Ives) Ltd. | Households | 2002 |
| THE Games Shop Limited | Other services | 2011 |
| THE Great Big Fuss UP Limited | Arts & recreation | 2021 |
| THE Greenbank Hotel (Falmouth) Limited | Arts & recreation | 1997 |
| THE Greenbank Hotel Limited | Financial services | 1995 |
| THE Greenway Property Group Ltd | Financial services | 2018 |
| THE Greet Cheese Delivery Co Ltd | Wholesale & retail | 2021 |
| THE Haemorrhoid Centre Limited | Administrative & support | 2004 |
| THE Hall for Cornwall Trust | Arts & recreation | 1995 |
| THE Hayes Apartments Limited | Households | 2008 |
| THE Hideaway Truro Ltd | Administrative & support | 2016 |
| THE Hideaway Truro Management Company Limited | Households | 2017 |
| THE Hive NO1 Ltd | Construction | 2021 |
| THE Home Farewell VET Ltd | Professional & scientific | 2024 |
| THE House of RAY Limited | Hospitality | 2015 |
| THE Juniper Club Ltd | Wholesale & retail | 2016 |
| THE Kallacliff Management Company Ltd | Households | 2025 |
| THE Laurels Management Company (57 Falmouth Road Truro) Limited | Households | 2018 |
| THE Learning Tree (Cornwall) Ltd | Health & social care | 2020 |
| THE Lemon Street Market Limited | Real estate | 2006 |
| THE Lifeboat Inn (Number 2) Limited | Real estate | 2013 |
| THE Limpsfield Cookery School Limited | Wholesale & retail | 2021 |
| THE Limpsfield Events Company Limited | Hospitality | 2021 |
| THE Little Pottery Company Ltd | Manufacturing | 2025 |