| Tempus Futurum Ltd | Hospitality | 2023 |
| TEN TEN Logistics Ltd | Construction | 2023 |
| TEN:10 Property Solutions Ltd | Real estate | 2022 |
| Tended Hearth Limited | Information & communication | 2022 |
| Tendronas Limited | Extraterritorial | 2009 |
| Tennis Store Ltd | Wholesale & retail | 2017 |
| Tentanda Property Development Ltd | Construction | 2024 |
| Teoni's Limited | Manufacturing | 2006 |
| Teqops Limited | Information & communication | 2020 |
| Teqops Properties Limited | Real estate | 2024 |
| Terminological Ltd | Information & communication | 2015 |
| Terrawise Consulting Ltd | Wholesale & retail | 2025 |
| Terrestres Servo Coronas | Health & social care | 2016 |
| Terry Adams Residential LLP | | 2009 |
| Terry Pike Professional Decorators Ltd | Construction | 2021 |
| Tetherland Limited | | 1982 |
| Tevi Limited | Information & communication | 2025 |
| Tfarming Limited | Agriculture & fishing | 2011 |
| TG Compliance and Consulting Ltd | Professional & scientific | 2020 |
| TG Plumbing & Heating (SW) Ltd | Construction | 2025 |
| TG Sweets Limited | Wholesale & retail | 2025 |
| TGE Realisations 2024 Limited | Manufacturing | 1973 |
| TH & CL Johnson Limited | Agriculture & fishing | 2006 |
| Thai Orchid Limited | Hospitality | 2002 |
| Thalamus Property Limited | Real estate | 2019 |
| Thames Innovation Systems Limited | Information & communication | 2024 |
| That Piercing Place Exeter Ltd | Other services | 2026 |
| That Piercing Place Ltd | Other services | 2024 |
| THE 8WISE Project CIC | Education | 2026 |
| THE Accountancy Quarter Ltd | Professional & scientific | 2024 |
| THE Ageless Edit Ltd. | Administrative & support | 2023 |
| THE Agricultural Inn Ltd | Hospitality | 2019 |
| THE Alcohol-Free Shop Limited | Wholesale & retail | 2016 |
| THE Alternative Creative Company Limited | Information & communication | 2018 |
| THE Angel Bar Limited | Hospitality | 2019 |
| THE Anti-Greenwash Charter Ltd | Professional & scientific | 2025 |
| THE App Family Ltd | Information & communication | 2023 |
| THE Appledore Beaver Ltd | Hospitality | 2025 |
| THE ARB Academy C.I.C. | Education | 2024 |
| THE Arch Dinner Limited | Hospitality | 2024 |
| THE Arts Organisation Limited | Arts & recreation | 2026 |
| THE Association of Professional Independent Chimney Sweeps (Apics) | Other services | 2009 |
| THE Audacious Training Company Ltd | Other services | 2013 |
| THE Avenue (Brondesbury) Management Company Limited | Real estate | 2003 |
| THE Aviation Recruitment & Consulting Group Ltd | Administrative & support | 2013 |
| THE Aviator Coffee Bar and Restaurant Limited | Hospitality | 2011 |
| THE Baby Room Exeter CIC | Administrative & support | 2020 |
| THE Badminton Retreat Limited | Hospitality | 2018 |
| THE Ballroom(Clyst Heath) Management Company Limited | Administrative & support | 2011 |
| THE Bearing Shop Limited | Extraterritorial | 2008 |
| THE Beauty Lounge (Topsham) Limited | Other services | 2023 |
| THE Beer Cellar Ltd | Hospitality | 2013 |
| THE Big Noise Chorus Limited | Arts & recreation | 2009 |
| THE Bike Shed Devon Limited | Wholesale & retail | 2014 |
| THE Binocular Shop Ltd | Extraterritorial | 2015 |
| THE Bioasis Ltd | Education | 2020 |
| THE Blenheim Dawlish Limited | Hospitality | 2015 |
| THE Bone Orchard Limited | Other services | 2015 |
| THE Bread Boxx Ltd | Hospitality | 2021 |
| THE Bridford Trust | Arts & recreation | 2001 |
| THE Bright Puzzle Company Ltd | Education | 2025 |
| THE British Alpaca Society | Agriculture & fishing | 1996 |
| THE Brooke Heritage Trust | Education | 2010 |
| THE Brow Boss Ltd. | Other services | 2019 |
| THE Brush & Paper Co (Exeter) Ltd | Construction | 2018 |
| THE Brush & Paper Co Limited | Construction | 2018 |
| THE Brush and Paper Co South West Limited | Construction | 2025 |
| THE Burlington Partnership Ltd | Information & communication | 2014 |
| THE Butchery (SW) Limited | Wholesale & retail | 2012 |
| THE Cailleach Limited | Administrative & support | 2025 |
| THE Cakery Exeter Ltd | Wholesale & retail | 2020 |
| THE Calendar Club Limited | Wholesale & retail | 1998 |
| THE CAN DO PUB Company Limited | Hospitality | 2010 |
| THE Central Dairy Ltd | Hospitality | 2021 |
| THE Chain Gang Cycle Tours Limited | Administrative & support | 1996 |
| THE Chargot Sporting Club Limited | Arts & recreation | 2018 |
| THE Charlie Edward Property Company Limited | Real estate | 2015 |
| THE Chicken Lounge Ltd | Hospitality | 2019 |
| THE Clean PAW Dog Wash Company Ltd | Other services | 2026 |
| THE Click Hub (Exeter) Ltd | Professional & scientific | 2019 |
| THE Click Hub (London) Ltd | Professional & scientific | 2018 |
| THE Climbing Clinic Ltd | Education | 2021 |
| THE Cloth Merchants Association UK Ltd | Professional & scientific | 1934 |
| THE Coalesce Group SW Ltd | Administrative & support | 2026 |
| THE Coating LAB Limited | Wholesale & retail | 2026 |
| THE Coffee Cellar Limited | Hospitality | 2019 |
| THE Commercial Mortgage Bureau Limited | Financial services | 2004 |
| THE Common Grounds Collab Limited | Information & communication | 2026 |
| THE Common Players | Arts & recreation | 1996 |
| THE Completion App Ltd | Information & communication | 2020 |
| THE Conservation Project International | Professional & scientific | 2017 |
| THE Consortium of Lesbian, GAY, Bisexual and Transgender Voluntary & Community Organisations | Other services | 1998 |
| THE Cooks Shop Exeter Limited | Wholesale & retail | 2011 |
| THE Cornish BED Company Limited | Manufacturing | 2015 |
| THE Cornish Cornish Pasty Company Ltd | Hospitality | 2012 |
| THE Cornish Free Range Dairy Ltd | Hospitality | 2015 |
| THE Cornish Ice-Cream Company Newquay Ltd | Wholesale & retail | 2026 |
| THE COW Hotel Limited | Administrative & support | 2021 |
| THE Crab at Dartmouth Ltd | Hospitality | 2022 |
| THE Crafty Genie Ltd | Manufacturing | 2014 |