| THE C Word Chef Consultancy Limited | Other services | 2018 |
| THE Cabin Maidencombe Limited | Real estate | 2017 |
| THE Chapel (Totnes) Ltd | Households | 2021 |
| THE Chapel RTM Company Limited | Households | 2016 |
| THE Clay Cure Co Limited | Manufacturing | 2024 |
| THE Clipper at Shaldon LLP | | 2011 |
| THE Contemporary College of Homoeopathy Limited | Education | 2003 |
| THE Cove (Devon) Management Ltd | Households | 2020 |
| THE Creativity Centre Educational Trust | Information & communication | 2000 |
| THE Dads Network CIC | Education | 2019 |
| THE Dartmouth Wine Company Limited | Wholesale & retail | 2009 |
| THE Devon Candle Company Limited | Wholesale & retail | 2023 |
| THE Devon Soap Company (Teignmouth) Ltd | Wholesale & retail | 2019 |
| THE Devon Soap Company Limited | Wholesale & retail | 2012 |
| THE Digital Partnership Limited | Information & communication | 2015 |
| THE Discovery Mill Ltd | Professional & scientific | 2006 |
| THE Dzedzes Ltd | Arts & recreation | 2016 |
| THE Eco-Friendly Card Company Limited | Extraterritorial | 2017 |
| THE Eddystone Trust | Health & social care | 1999 |
| THE Edible Canopy Ltd | Agriculture & fishing | 2024 |
| THE Family Car GUY Ltd | Wholesale & retail | 2024 |
| THE Farmer's Calendar Limited | Information & communication | 2006 |
| THE Fitness Factory Totnes Ltd | Arts & recreation | 2004 |
| THE Fitness Lifestyle Ltd | Other services | 2012 |
| THE Forest & Co (SW) Ltd | Wholesale & retail | 2016 |
| THE Good Heat Company (UK) Limited | Construction | 2009 |
| THE Gordon Carling Foundation | Health & social care | 1983 |
| THE Green Funeral Company (Totnes) Ltd | Other services | 2015 |
| THE Hairy Barista Limited | Hospitality | 2016 |
| THE Haven (Totnes) Management Company Limited | Households | 2020 |
| THE Hidden Artist Consultancy Ltd | Professional & scientific | 2025 |
| THE Human Trilogy Limited | Extraterritorial | 2020 |
| THE Institute of Legal Secretaries and PAS Ltd | Other services | 2004 |
| THE Kelp Conservation Initiative CIC | Professional & scientific | 2024 |
| THE Landscape Architect Limited | Administrative & support | 2008 |
| THE Living Projects Dartington CIC | Agriculture & fishing | 2023 |
| THE Lord High Admiral Ltd | Hospitality | 2017 |
| THE Macintosh Consultancy Limited | Wholesale & retail | 2012 |
| THE Millpool Apartments Limited | Households | 2025 |
| THE Mount Studio Architects Ltd | Professional & scientific | 2014 |
| THE Natural Hire Company Ltd | Hospitality | 2021 |
| THE Organic Plantmilk Company Ltd | Manufacturing | 2018 |
| THE Paint Mixer Limited | Wholesale & retail | 2015 |
| THE Plymouth Project Limited | Construction | 2019 |
| THE Refinery Totnes CIC | Arts & recreation | 2026 |
| THE Select Decorating Company Limited | Construction | 2016 |
| THE Sharpham Trust Trading Company Limited | Energy | 2011 |
| THE Therapy Space Totnes LLP | | 2025 |
| THE Totnes Pulse C.I.C. | Information & communication | 2023 |
| THE Tribe SW Ltd | Administrative & support | 2019 |
| THE True Reboot Coaching Ltd | Professional & scientific | 2026 |
| THE Upper Bourtons Management Company Limited | Households | 2022 |
| THE White Hart at Cullompton Ltd | Hospitality | 2018 |
| THE Wild FIG Deli & Cafe Limited | Hospitality | 2016 |
| THE Woodland Presents C.I.C. | Arts & recreation | 2015 |
| Thermal Vision Automation Ltd | Extraterritorial | 2023 |
| Thermal Vision Direct Ltd | Extraterritorial | 2023 |
| Thermal Vision Ecology Limited | Extraterritorial | 2024 |
| Thermal Vision Geospatial Limited | Extraterritorial | 2024 |
| Thermal Vision Hire Ltd | Extraterritorial | 2023 |
| Thermal Vision Industrial Limited | Extraterritorial | 2024 |
| Thermal Vision Research Limited | Wholesale & retail | 2013 |
| Think Health Coaching Ltd | Health & social care | 2024 |
| Thmc Ltd | Real estate | 2011 |
| Thomas Chadwick Limited | Professional & scientific | 2026 |
| Thornleigh Saddle Limited Liability Partnership | | 2008 |
| Thorogood Trading Limited | Real estate | 1997 |
| Thos Birch Libations Company Ltd | Wholesale & retail | 2019 |
| Thoughtbox Education CIC | Education | 2019 |
| Three Posts Leisure Park Limited | Arts & recreation | 2007 |
| Threetrees L&D Ltd | Professional & scientific | 2024 |
| Through the Woods Ltd | Professional & scientific | 2014 |
| Thrust Management Ltd | Professional & scientific | 2021 |
| Tideway Limited | Real estate | 1967 |
| Tierra Wild Ltd | Wholesale & retail | 2022 |
| Tilley Inflatable Design and Engineering Limited | Manufacturing | 2002 |
| Timothy Graves Studio Ltd | Manufacturing | 2022 |
| TIN Shed Holdings Limited | Administrative & support | 2021 |
| Tinkers Wood Court Management Company Limited | Households | 2023 |
| Tiny Homes Ltd | Manufacturing | 2022 |
| Titan Ventures Limited | Professional & scientific | 2005 |
| TJ Property & Rental Ltd | Real estate | 2026 |
| Tongues in Trees Limited | Professional & scientific | 2020 |
| Torbay Laser Centre Ltd | Other services | 2025 |
| Torbay Laundry and Linen Hire Ltd | Other services | 2022 |
| Torch Training Limited | Education | 2010 |
| Torsprings Limited | Wholesale & retail | 2019 |
| Totnes & South Hams Tyre Services (Holdings) Limited | Administrative & support | 2010 |
| Totnes and District Swimming Pool Association Limited | Arts & recreation | 2014 |
| Totnes and South Hams Tyre Services Limited | Wholesale & retail | 1984 |
| Totnes Bike Hub Community Interest Company | Wholesale & retail | 2020 |
| Totnes Caring Ltd | Health & social care | 2005 |
| Totnes Cinema CIC | Information & communication | 2015 |
| Totnes Community Bookshop C.I.C. | Wholesale & retail | 2015 |
| Totnes Community Herbal C.I.C. | Agriculture & fishing | 2022 |
| Totnes Energy Limited | Construction | 2024 |
| Totnes Fire Protection & Signs Limited | Manufacturing | 1978 |
| Totnes Fringe Festival Ltd | Arts & recreation | 2025 |
| Totnes Grubb Ltd | Hospitality | 2021 |
| Totnes Home Furnishings Ltd | Wholesale & retail | 2016 |