| Teignmouth Music Festival Limited | Arts & recreation | 2011 |
| Teignmouth Neurodiversity Hub CIC | Education | 2025 |
| Teignmouth RFC Limited | Arts & recreation | 2001 |
| Teignmouth Shaldon Ferry Company Ltd | Transport & logistics | 2010 |
| Teignwood Limited | Construction | 2017 |
| Templestowe Hotel Limited | Hospitality | 2008 |
| Temporary Fencing Solutions Limited | Construction | 2006 |
| Terraforming SW Limited | Real estate | 2018 |
| TGC Trading Limited | Arts & recreation | 2015 |
| THE Alice Cross Centre | Health & social care | 1989 |
| THE Beacon Teignmouth Management Company Limited | Real estate | 1995 |
| THE BID Experts Ltd | Professional & scientific | 2019 |
| THE Black Pearl Ice Cream Company Ltd | Hospitality | 2025 |
| THE Blue Anchor Teignmouth Limited | Hospitality | 2015 |
| THE Brookesby Hall Management Company Limited | Households | 1999 |
| THE Business Network England Limited | Other services | 2009 |
| THE Business Network London Limited | Other services | 2012 |
| THE Business Network Worldwide Limited | Other services | 2015 |
| THE Clear Inventory Agency Ltd | Other services | 2021 |
| THE Content Warehouse Limited | Professional & scientific | 2000 |
| THE Copy Lobster Ltd | Professional & scientific | 2021 |
| THE Devon Wedding & Event Company Ltd | Hospitality | 2017 |
| THE Drifting Bear Co. Ltd | Wholesale & retail | 2012 |
| THE Echelon Group Ltd | Professional & scientific | 2023 |
| THE Entertainment Fixers Ltd | Arts & recreation | 2023 |
| THE Exmouth Arms Ltd | Hospitality | 2025 |
| THE Friends of the Teignmouth Orangery | Other services | 2009 |
| THE GB PUB Group Limited | Real estate | 2024 |
| THE Good Life Studios Ltd | Arts & recreation | 2011 |
| THE Grounds Doctors Limited | Construction | 2024 |
| THE Healthy Pet Shop Ltd | Wholesale & retail | 2016 |
| THE Heating Geek SW Ltd | Construction | 2023 |
| THE Hollies Highbury (Torquay) Management Company Limited | Households | 2005 |
| THE Inspired Group Limited | Professional & scientific | 1998 |
| THE Lifeboat Inn Limited | Construction | 2010 |
| THE Lynton House Hotel Ltd | Hospitality | 2025 |
| THE Mindful Choice Community Interest Company | Health & social care | 2020 |
| THE Offsite Manager Ltd | Professional & scientific | 2024 |
| THE Priory (Dawlish) Management Company Limited | Administrative & support | 2005 |
| THE Rockpool Deli Ltd | Wholesale & retail | 2021 |
| THE Rutherford Partnership LLP | | 2012 |
| THE Ship Teignmouth Ltd | Hospitality | 2014 |
| THE Shoe Centre Ltd | Wholesale & retail | 2015 |
| THE Silly Goose PUB Company Limited | Hospitality | 2013 |
| THE Slow Agency Ltd | Professional & scientific | 2023 |
| THE Sofa Warehouse Ltd | Wholesale & retail | 2026 |
| THE Somewhere Sauna Ltd | Wholesale & retail | 2024 |
| THE Spinal Specialist Ltd | Health & social care | 2020 |
| THE Studio NA Ltd | Administrative & support | 2019 |
| THE Supercharged Mind Limited | Professional & scientific | 2023 |
| THE Teign Canteen Ltd | Hospitality | 2017 |
| THE Topsham Building Company Limited | Construction | 2017 |
| THE Virtual BID Office Ltd | Administrative & support | 2016 |
| THE Walnut House Company (Overseas) Ltd | Manufacturing | 2011 |
| Thect Limited | Hospitality | 2018 |
| Therapy for ME! Ltd | Health & social care | 2021 |
| Theredpizzeria Limited | Hospitality | 2026 |
| Top Notch Homes SW 2 Limited | Real estate | 2024 |
| Top Notch Homes SW Limited | Real estate | 2017 |
| Tor-Mare Court Management Company Limited | Households | 1967 |
| Torbay Chiropractic Health Care Clinics Limited | Health & social care | 2001 |
| Torbay Food Hygiene Consultancy Limited | Hospitality | 2017 |
| Torbay HIP and Knee Clinic Limited | Health & social care | 2010 |
| Torbay Tutors Ltd | Education | 2012 |
| Torvesco House Management Company Limited | Professional & scientific | 1983 |
| Total Building Services Solutions Ltd | Construction | 2009 |
| Touchstone Business Solutions Limited | Professional & scientific | 2024 |
| Tracey Aston Ltd | Professional & scientific | 2013 |
| Trade Inn 2000 Limited | Other services | 2015 |
| Tradey Fuel Ltd | Manufacturing | 2024 |
| Transcend Security Ltd | Information & communication | 2020 |
| Travel Executive Limited | Transport & logistics | 2016 |
| Tricoatings Ltd | Construction | 2019 |
| Trident Building Services Limited | Construction | 2006 |
| Trinity School Limited | Education | 2019 |
| TRM Technology Ltd | Information & communication | 2011 |
| Trudy Gill Design Ltd | Professional & scientific | 2026 |
| Turl Building Limited | Construction | 2024 |
| Twenty Red Ltd | Professional & scientific | 2025 |
| UK Management Services Limited | Water & waste | 2024 |
| UK Property Service SW Limited | Construction | 2018 |
| UK Psychologists Limited | Health & social care | 2022 |
| Ukprinterstore Ltd | Wholesale & retail | 2012 |
| Ukreef Marine Limited | Agriculture & fishing | 2024 |
| Umbrella Pines Ltd | Hospitality | 2026 |
| Unicorn AIM VCT PLC | Financial services | 2001 |
| Unique Interiors Furniture Limited | Manufacturing | 2023 |
| Urbana IT Solutions Limited | Information & communication | 2011 |
| US & Co (UK) Limited | Construction | 2016 |
| Vagita Ltd | Other services | 2018 |
| Val's Beautiful Beads Limited | Manufacturing | 2008 |
| Valandea Ltd | Construction | 2016 |
| Velmora Global Ventures Ltd | Wholesale & retail | 2026 |
| Venn Farm Management Limited | Households | 1990 |
| Vero Financial Ltd | Information & communication | 2025 |
| Vertex Matrix Ltd | Financial services | 2026 |
| Vesilahti Developments Limited | Construction | 2022 |
| Vexpro Services Ltd | Professional & scientific | 2023 |
| Vicky Roberts Ltd | Health & social care | 2000 |
| Villages in Action | Arts & recreation | 2001 |