| Taiba Anwer Ventures Ltd | Wholesale & retail | 2025 |
| Tailor Made Building & Carpentry Ltd | Construction | 2024 |
| Tailor Made IT Services Ltd | Information & communication | 2019 |
| Tailor Made Properties Ltd | Real estate | 2021 |
| Tailor Made WSM Ltd | Wholesale & retail | 2023 |
| Take 3 Limited | Manufacturing | 2013 |
| Takudzwanash Limited | Health & social care | 2013 |
| Tall Pines Golf Club Limited | Extraterritorial | 1998 |
| Tally-Ho Couriers Ltd | Transport & logistics | 2009 |
| Tamala Ltd | Hospitality | 2024 |
| Tandem UK Limited | Water & waste | 2008 |
| Tandoori Masala BD Ltd | Hospitality | 2026 |
| Tandoori Masala Spice Ltd | Hospitality | 2020 |
| Tandoori Masala Worle Ltd | Hospitality | 2025 |
| Target Fitness Gym Limited | Arts & recreation | 2021 |
| Tarrant and Wilson Ltd | Information & communication | 2019 |
| TASTE2 Limited | Hospitality | 2025 |
| Tattoo Art Studio Ltd | Other services | 2012 |
| Tattoos by Vicky Le-Guilcher Limited | Other services | 2017 |
| Tavern Inns Limited | Hospitality | 2025 |
| Tavoraa Limited | Hospitality | 2025 |
| Taxi Transfer Solutions Ltd | Transport & logistics | 2023 |
| Taxstore Accountants Limited | Professional & scientific | 2025 |
| Taxstore Ltd | Professional & scientific | 2022 |
| Taylor Made Marketer Limited | Professional & scientific | 2024 |
| Taylor-Made Escapes Ltd | Administrative & support | 2024 |
| Taylors Hospitality Recruitment Ltd | Administrative & support | 2016 |
| TB Land Limited | Professional & scientific | 2014 |
| TBS Electrical Services Ltd | Construction | 2018 |
| TC Trades Retail Limited | Wholesale & retail | 2025 |
| TCB Consult Limited | Professional & scientific | 2021 |
| Tccifa Limited | Financial services | 2010 |
| TCS Estates Limited | Real estate | 2020 |
| TCS South West Ltd | Administrative & support | 2023 |
| TDB Estate Management Limited | Real estate | 2021 |
| TDC Advocates Limited | Professional & scientific | 2019 |
| TDC Renewables Limited | Professional & scientific | 2015 |
| Team 10 Ltd | Extraterritorial | 2020 |
| Team Bayliss Limited | Professional & scientific | 2015 |
| Team Enabl LLP | | 2025 |
| Team Refrigeration Ltd | Administrative & support | 2006 |
| Teatime Event Production Ltd | Administrative & support | 2025 |
| Tech Solutions RVL Ltd | Construction | 2024 |
| Technical Assured Limited | Administrative & support | 2026 |
| Technical ERP Limited | Information & communication | 2016 |
| Techniquip Limited | Manufacturing | 1988 |
| Teemate Limited | Professional & scientific | 2023 |
| Teklagraf Limited | Manufacturing | 1999 |
| Telecomtools Limited | Information & communication | 2022 |
| Telique Ltd | Wholesale & retail | 2025 |
| Tempest Star Ltd | Wholesale & retail | 2023 |
| Templar's Court (W-S-M) Management Limited | Households | 1995 |
| Temple Hill 35 South Road RTM Company Limited | Households | 2025 |
| Terry's Independent Traders Ltd | Wholesale & retail | 2024 |
| Tesn Projects Limited | Construction | 2012 |
| Texatherm Systems Limited | Manufacturing | 1996 |
| Texsmiths Services Ltd | Manufacturing | 2010 |
| TFS Weston Ltd | Wholesale & retail | 2008 |
| Thanima Restaurants Ltd | Hospitality | 2024 |
| That Creative Thingy Wotsit CIC | Health & social care | 2017 |
| That Leisure Shop Limited | Wholesale & retail | 2021 |
| THE 1655 Group Ltd | Hospitality | 2025 |
| THE 29 Clevedon Road Management Company Limited | Households | 2016 |
| THE Activity Dome Weston Ltd | Arts & recreation | 2023 |
| THE Adviser Solutions Company (Tamworth) Limited | Financial services | 2015 |
| THE Arcus Collective Limited | Information & communication | 2024 |
| THE Badge Centre Limited | Wholesale & retail | 2017 |
| THE Barn Fitness and Lifestyle Ltd | Arts & recreation | 2025 |
| THE Barn Garden Management Company Ltd | Households | 2025 |
| THE Bertie Group Ltd | Hospitality | 2013 |
| THE Better Finance Group Ltd | Financial services | 2020 |
| THE Bitey Fish Limited | Professional & scientific | 2010 |
| THE Blakehay Theatre CIC | Hospitality | 2025 |
| THE Blue Fish and Chips Limited | Hospitality | 2025 |
| THE Bollom Organisation Limited | Arts & recreation | 2009 |
| THE Bridal Store Ltd | Wholesale & retail | 2022 |
| THE Bristol String Quartet Limited | Arts & recreation | 2008 |
| THE Butchers at Clifton Limited | Wholesale & retail | 2011 |
| THE Carpet Hall Ltd | Wholesale & retail | 2023 |
| THE Carpet Shop Westbury Park Limited | Wholesale & retail | 2013 |
| THE Chapel South Horrington (Management) Limited | Households | 2002 |
| THE Chilli Trading Company Ltd | Agriculture & fishing | 2013 |
| THE Clean Co (SW) Limited | Administrative & support | 2024 |
| THE Coastal Fudge Co Ltd | Manufacturing | 2024 |
| THE Coffee House Weston Limited | Hospitality | 2009 |
| THE Composites Company Plymouth Ltd | Manufacturing | 2023 |
| THE Corporate Furniture Company Limited | Extraterritorial | 1999 |
| THE Crescent (Minehead) Management Limited | Households | 2003 |
| THE Curious Hideaway Ltd | Wholesale & retail | 2026 |
| THE Diary Toolkit Limited | Wholesale & retail | 2023 |
| THE Dog House WSM Ltd | Other services | 2022 |
| THE Dog Walking Company Limited | Other services | 2022 |
| THE Ebdon Hair & Beauty Company Ltd | Other services | 2015 |
| THE Ecotects Group Ltd | Professional & scientific | 2024 |
| THE Edifice Chauffeur Company Ltd | Transport & logistics | 2019 |
| THE Elar Label Ltd | Professional & scientific | 2025 |
| THE Elms Funeral Directors Limited | Other services | 2012 |
| THE Fine Cleaning Company (Franchising) Ltd | Other services | 2022 |
| THE Fine Cleaning Company (WSM) Limited | Administrative & support | 2020 |
| THE Foot Station Ltd | Health & social care | 2026 |