| Technik Food Systems Ltd | Wholesale & retail | 2017 |
| Technopoly Limited | Information & communication | 1994 |
| Tedz Global Limited | Hospitality | 2024 |
| Tekstore Limited | Other services | 2018 |
| Telleath Ltd | Wholesale & retail | 2022 |
| Tellypals Ltd | Information & communication | 2026 |
| Temple Design Limited | Professional & scientific | 2018 |
| Tenacious Sales Ltd | Administrative & support | 2024 |
| Terry Construction Ltd | Construction | 2026 |
| Tewyn House Management Limited | Households | 2025 |
| Teylu Trading Company Ltd | Wholesale & retail | 2022 |
| Thatcher Builders SW Ltd | Construction | 2020 |
| THE Beach Porthtowan Management Company Limited | Households | 2015 |
| THE Board Mums Club CIC | Other services | 2025 |
| THE Boardroom Newquay Ltd | Administrative & support | 2016 |
| THE Botanical Gardener Ltd | Administrative & support | 2006 |
| THE Bottle SW Ltd | Hospitality | 2020 |
| THE Building and Loan Ltd | Real estate | 2020 |
| THE Caffeine Cottage Ltd | Hospitality | 2021 |
| THE Click Creators Ltd | Professional & scientific | 2025 |
| THE Clothes Horse Community Interest Company | Wholesale & retail | 2025 |
| THE Colourworx Ltd | Wholesale & retail | 2014 |
| THE Conveyancing College Limited | Education | 2024 |
| THE Cornish Craftsmen Ltd | Manufacturing | 2024 |
| THE Cornish Ecom Ltd | Wholesale & retail | 2024 |
| THE Cornish Kilt Company Ltd | Wholesale & retail | 2022 |
| THE Cornish Leaf and Coil Club Limited | Arts & recreation | 2002 |
| THE Cornish Mortgage Company Ltd | Financial services | 2023 |
| THE Cornish Print & Sign Company Limited | Administrative & support | 2008 |
| THE Cornishman (Crantock) Ltd | Hospitality | 2021 |
| THE Cornwall Cleaning Company Ltd | Administrative & support | 2024 |
| THE Cornwall Holiday Company Ltd | Other services | 2015 |
| THE Dawn Patrol Project C.I.C. | Other services | 2026 |
| THE Drunken Surfer - Newquay Ltd | Hospitality | 2025 |
| THE Escape Newquay Ltd | Hospitality | 2012 |
| THE Extreme Academy Limited | Extraterritorial | 1998 |
| THE Fruit Space Ltd | Real estate | 2024 |
| THE Good Lyfe Ethical Refill and Lifestyle Store Ltd | Wholesale & retail | 2022 |
| THE Grange Management Company (Goonhavern) Limited | Households | 2023 |
| THE Greedy Mimic Limited | Hospitality | 2025 |
| THE Holiday Home Consultancy Ltd | Real estate | 2012 |
| THE Hollies Nursery Limited | Education | 2001 |
| THE Hostel Co Limited | Hospitality | 2025 |
| THE Kitchen Gift Company Ltd | Wholesale & retail | 2012 |
| THE Larder NQY Limited | Wholesale & retail | 2026 |
| THE Laser LAD Limited | Arts & recreation | 2022 |
| THE Little Orchard Letting Company Ltd | Real estate | 2014 |
| THE Logical Choice Group Limited | Information & communication | 2017 |
| THE Lyncroft (Cornwall) Limited | Hospitality | 2015 |
| THE Management Company 39 Gyllyng Street Limited | Households | 2006 |
| THE Moonshot Mastery Academy Ltd. | Education | 2024 |
| THE Nature Pain Project Community Interest Company | Health & social care | 2025 |
| THE Nettleton Collection Ltd | Real estate | 2018 |
| THE Old Chapel ST Newlyn East RTM Company Limited | Real estate | 2008 |
| THE Old Clay Store Ltd | Hospitality | 2023 |
| THE Old Foundry Laundry Services Ltd | Administrative & support | 2025 |
| THE Orange Bottle SW Ltd | Hospitality | 2021 |
| THE Park Cornwall Limited | Hospitality | 2023 |
| THE Pet Centre Newquay Limited | Wholesale & retail | 2017 |
| THE Pickled Plate Ltd | Hospitality | 2025 |
| THE Positive Waves Collective CIC | Arts & recreation | 2026 |
| THE Pure Zone Ltd | Wholesale & retail | 2025 |
| THE RAD Collective Limited | Wholesale & retail | 2025 |
| THE Real RUM Company Limited | Extraterritorial | 2013 |
| THE Rebellion Coffee House Limited | Hospitality | 2025 |
| THE Rocks (Newquay) Management Company Limited | Households | 2020 |
| THE Rocks Management Company Limited | Real estate | 2017 |
| THE Sink Inn Ltd | Hospitality | 2022 |
| THE Standard and Environment Ltd | Professional & scientific | 2023 |
| THE Strand at Porth Ltd | Households | 2021 |
| THE Strand Porth Management Company Limited | Households | 2019 |
| THE Strengths People Limited | Professional & scientific | 2014 |
| THE Surf Clinic Limited | Information & communication | 2022 |
| THE Vehicle Surf Club CIC | Education | 2024 |
| THE Visitor-Marketing Consultancy Ltd | Administrative & support | 2009 |
| THE Vista Newquay Management Company Limited | Households | 2013 |
| THE Wave Project | Arts & recreation | 2011 |
| THE Wave Project Retail Limited | Wholesale & retail | 2020 |
| THE Whipsiderry Limited | Hospitality | 2022 |
| THE Workbug Co Limited | Information & communication | 2003 |
| Thecornishhampercompany Ltd | Wholesale & retail | 2024 |
| Thediscorg Ltd | Wholesale & retail | 2025 |
| Theilade-Marston Holdings Ltd | Real estate | 2021 |
| Thera-Sea CIC | Health & social care | 2025 |
| Therapy Clothing Limited | Wholesale & retail | 2003 |
| Theta Naturals Limited | Wholesale & retail | 2021 |
| Thirty SIX Management Company Limited | Real estate | 2017 |
| Thorp Developments Ltd | Construction | 2015 |
| Thorp Facilities Maintenance Ltd | Administrative & support | 2024 |
| Thrive Together Southwest CIC | Health & social care | 2025 |
| Thrive With Ltd | Professional & scientific | 2024 |
| Tibbs & Boots LLP | | 2020 |
| Tiddlers Day Nursery Ltd | Education | 2003 |
| Tidy Images Limited | Information & communication | 2013 |
| Tiger Property Holdings Limited | Real estate | 2018 |
| Tikbox Group Ltd | Administrative & support | 2021 |
| Tima Solutions Limited | Other services | 2021 |
| TIME4GOOD Ltd | Information & communication | 2024 |
| Timpson Carpentry Ltd | Construction | 2021 |
| Tinderbox Web Solutions Ltd | Information & communication | 2020 |