| Teign Valley ARB Ltd | Administrative & support | 2022 |
| Teign Valley Finance Limited | Financial services | 1996 |
| Teign Valley Ltd | Professional & scientific | 2000 |
| Teign Valley Projects Ltd | Professional & scientific | 2017 |
| Teign Valley Training Ltd | Mining & quarrying | 2019 |
| Teign Vehicle Rentals Limited | Administrative & support | 2012 |
| Teign View LLP | | 2023 |
| Teign Village and District Social and Sports Club Community Interest Company | Hospitality | 2024 |
| Teign Village Water Community Interest Company | Water & waste | 2013 |
| Teignbridge Business Centre Limited | Hospitality | 1992 |
| Teignbridge Citizens Advice Bureaux | Health & social care | 1989 |
| Teignbridge Community and Voluntary Services | Health & social care | 2011 |
| Teignbridge Homeless Action Today Limited | Health & social care | 2010 |
| Teignbridge Media Limited | Information & communication | 2019 |
| Teignbridge Propellers International Limited | Manufacturing | 2009 |
| Teignbridge Vehicle Repairs Ltd | Wholesale & retail | 2013 |
| Teignflex Limited | Wholesale & retail | 2002 |
| Teignmouth Leisure Ltd | Arts & recreation | 2024 |
| Teignmouth Social Club DEN Crescent Limited | Real estate | 2016 |
| Tekapo Advisors Limited | Professional & scientific | 2022 |
| Tekeurope Holdings Ltd | Financial services | 2026 |
| Tekeurope Properties Ltd | Real estate | 2019 |
| Telexis Ltd | Information & communication | 2024 |
| Teloi Ltd | Professional & scientific | 2016 |
| Telperow Limited | Wholesale & retail | 2025 |
| Tempest Clean UP Ltd | Administrative & support | 2024 |
| Temple Pension and Investments Limited | Real estate | 2012 |
| Templer Homebuild Limited | Construction | 2005 |
| Tempus International Limited | Administrative & support | 2018 |
| Ten-Ten Solutions Limited | Construction | 2016 |
| Tennaherdhya Shipping Ltd | Administrative & support | 2011 |
| Tenten Storage Limited | Real estate | 2021 |
| Terra Nova Adventure Ltd | Wholesale & retail | 2025 |
| Terry's Tenancies Limited | Real estate | 2025 |
| Tessdesigns Limited | Wholesale & retail | 2000 |
| TF Components Limited | Wholesale & retail | 2015 |
| TF Developments Limited | Wholesale & retail | 2013 |
| Tfsg Partners Group Limited | Financial services | 2020 |
| Tftax Limited | Professional & scientific | 2009 |
| TGB Diving Services Ltd | Education | 2024 |
| THE 1740 Limited | Professional & scientific | 2020 |
| THE Abbot (Newton Abbot) Limited | Hospitality | 2025 |
| THE Ashgrove Care Company Limited | Real estate | 1998 |
| THE AWESOME4SOME AP Education Company Limited | Education | 2026 |
| THE Barbecue Shack Limited | Wholesale & retail | 2022 |
| THE Baskerville Estate Ltd | Hospitality | 2015 |
| THE Bay View PUB Company Limited | Hospitality | 2019 |
| THE Bear ( Devon ) Ltd | Hospitality | 2024 |
| THE Bears of Bracken Ltd | Wholesale & retail | 2020 |
| THE Benbow Group Limited | Manufacturing | 1994 |
| THE Bickington Trust Company | Real estate | 1990 |
| THE Boathouse (Torquay) Limited | Hospitality | 2018 |
| THE Bovey Bakery Company Limited | Wholesale & retail | 2018 |
| THE Bovey Tracey Arts and Crafts Festival Limited | Arts & recreation | 2003 |
| THE Broproject Community CIC | Health & social care | 2024 |
| THE Burton Group Limited | Construction | 2017 |
| THE Chagford Show Limited | Arts & recreation | 2010 |
| THE Chudleigh Practice Limited | Health & social care | 2009 |
| THE Classic Motorcycle Trading Company Limited | Wholesale & retail | 2019 |
| THE Clinic @ Koots Ltd | Other services | 2018 |
| THE Country Table Cafe Limited | Hospitality | 2014 |
| THE Croft ECM Care Limited | Health & social care | 2018 |
| THE Cwtch Hub CIC | Hospitality | 2025 |
| THE Dark Horse Cafe Limited | Hospitality | 2017 |
| THE Dartmoor Hill Pony Display Team C.I.C. | Agriculture & fishing | 2024 |
| THE Dartmouth Lighting Company Ltd | Wholesale & retail | 2025 |
| THE Dessert Drop Ltd | Hospitality | 2026 |
| THE Devon Marquee Company Limited | Other services | 1992 |
| THE Devon Marquee Holdings Company Ltd | Financial services | 2025 |
| THE Dogs Butcher Limited | Manufacturing | 2017 |
| THE Dolly TUB Launderette Ltd | Other services | 2013 |
| THE Eating and Wellness Clinic Ltd | Health & social care | 2023 |
| THE Essential Personal Assistant Ltd | Administrative & support | 2019 |
| THE Fairways Management Company (Newton Abbot) Limited | Households | 2012 |
| THE Family Table CIC | Hospitality | 2026 |
| THE FAT Mouse (Chagford) Ltd | Wholesale & retail | 2025 |
| THE Filling Station Online Ltd | Hospitality | 2020 |
| THE First Federation Trust | Education | 2011 |
| THE Fixstars Ltd | Information & communication | 2019 |
| THE Flower Sessions Ltd | Wholesale & retail | 2017 |
| THE Foot Store Limited | Wholesale & retail | 2021 |
| THE Ford RS Owners Club (1990) Limited | Professional & scientific | 1991 |
| THE Forest Inn Dartmoor Ltd | Hospitality | 2016 |
| THE Fort Bovisand Trust | Administrative & support | 2011 |
| THE Fourth Trimester Postpartum CIC | Health & social care | 2022 |
| THE Frittata Diet Ltd | Information & communication | 2018 |
| THE Goat Shed Rustic Workshop Ltd | Wholesale & retail | 2021 |
| THE Golden Nugget Essex Limited | Hospitality | 2024 |
| THE Grace Trading Group Ltd | Professional & scientific | 2010 |
| THE Grime Punisher Limited | Administrative & support | 2016 |
| THE Hair Deck Brixham Ltd | Other services | 2024 |
| THE Happiness First Method Limited | Professional & scientific | 2024 |
| THE House That Hair Built Ltd | Other services | 2024 |
| THE Humble Barber Limited | Other services | 2017 |
| THE Husbandry School | Education | 2008 |
| THE Inn on the Square Company Limited | Real estate | 2015 |
| THE Innovation Corporation Limited | Manufacturing | 2010 |
| THE Italian Café Ltd | Hospitality | 2010 |
| THE Italian Store Newton Abbot Ltd | Wholesale & retail | 2026 |
| THE Learning Bridge SW Ltd | Education | 2025 |