| Tecta Group Ltd | Construction | 2015 |
| Tecy Ltd | Health & social care | 2020 |
| Teddington Convenience Stores Ltd | Wholesale & retail | 2022 |
| Tedford Services Group Ltd | Wholesale & retail | 2025 |
| Tedi Removals Ltd | Transport & logistics | 2023 |
| Telco Communication UK Ltd | Information & communication | 2012 |
| Telecare Limited | Wholesale & retail | 2024 |
| Telka & Sons Limited | Financial services | 2022 |
| Telstar Grab Hire Ltd | Water & waste | 2018 |
| Teme Dairy Limited | Wholesale & retail | 2015 |
| Temp-Est Limited | Professional & scientific | 2015 |
| Tender Lives Care Solutions Limited | Health & social care | 2024 |
| Tenke Limited | Construction | 2003 |
| Tennfinity Global Limited | Manufacturing | 2026 |
| Terra Firma (Gloucestershire) LLP | | 2008 |
| Terra Firma Risk Ltd | Professional & scientific | 2020 |
| Terry Malloy and Associates Limited | Professional & scientific | 2016 |
| Test Object Limited | Information & communication | 2012 |
| Test Technologies Limited | Information & communication | 1993 |
| Testlink Limited | Real estate | 1988 |
| Tetbury Trading Ltd | Wholesale & retail | 2018 |
| TEW Farmhouse & Barns LLP | | 2014 |
| Tewkesbury Brewing Company Ltd | Manufacturing | 2020 |
| Texas Chicken Ltd | Hospitality | 2021 |
| Texas Grill Fast Food Ltd | Wholesale & retail | 2016 |
| TFF Property Holdings Ltd | Real estate | 2023 |
| TG Business Solutions Ltd | Administrative & support | 2026 |
| TH Cafe 1 Ltd | Hospitality | 2025 |
| TH Cafe 2 Ltd | Hospitality | 2025 |
| TH Cafe 3 Ltd | Hospitality | 2025 |
| TH Cafe 4 Ltd | Hospitality | 2025 |
| TH Cafe Holdings Ltd | Financial services | 2025 |
| TH Fabrications (Cheltenham) Ltd | Manufacturing | 2004 |
| TH228 Ltd | Arts & recreation | 2025 |
| Thai Supermarket Limited | Wholesale & retail | 2025 |
| Thamonish Technologies Ltd | Information & communication | 2011 |
| Tharsi and Co Ltd | Wholesale & retail | 2026 |
| Tharupathi Traders PVT Ltd | Hospitality | 2024 |
| That White Room CIC | Arts & recreation | 2021 |
| That's Bold Ltd | Information & communication | 2023 |
| THE 10 Arthur Street Management Company Limited | Real estate | 1999 |
| THE 1801 Consulting Group Limited | Information & communication | 2023 |
| THE 19TH Hole Events Limited | Arts & recreation | 2026 |
| THE A1 Credit Reference Bureau Limited | Professional & scientific | 1996 |
| THE Adhd Nurse Ltd | Health & social care | 2025 |
| THE After Three Club Limited | Health & social care | 2020 |
| THE Afterparty Electronic Limited | Arts & recreation | 2025 |
| THE Afterparty Events Limited | Arts & recreation | 2024 |
| THE Airs and Graces PUB Ltd | Hospitality | 2023 |
| THE Albert Hotel (Gloucester) Ltd | Hospitality | 2026 |
| THE ALL Inn PUB Ltd | Hospitality | 2023 |
| THE Ancient Grudge Sales Ltd | Real estate | 2025 |
| THE Andersons Businesses (Tabb) Ltd | Professional & scientific | 2024 |
| THE Architectural Store Limited | Professional & scientific | 2018 |
| THE Artisan Kitchen Limited | Manufacturing | 2011 |
| THE Aspire Staffing Group Limited | Financial services | 2022 |
| THE Asset Revolution Ltd | Real estate | 2021 |
| THE Association of Beauty Therapy & Cosmetology Limited | Other services | 2008 |
| THE Authors Partner Limited | Extraterritorial | 2023 |
| THE Barber Van Limited | Other services | 2011 |
| THE Barn OWL Centre Ltd | Arts & recreation | 2001 |
| THE Batsford Foundation | Arts & recreation | 2002 |
| THE Bears DO Ltd | Other services | 2024 |
| THE Beautiful Coach House Company Ltd | Hospitality | 2008 |
| THE Beinghuman Collective CIC | Arts & recreation | 2014 |
| THE Berkeley RTM Company Hove Limited | Households | 2023 |
| THE Bespoke Banking Consultancy Limited | Financial services | 2009 |
| THE Big WIN Company Ltd | Arts & recreation | 2026 |
| THE BIGBANG2 Limited | Wholesale & retail | 2025 |
| THE Boat Inn Limited | Hospitality | 2014 |
| THE Booth (Hub) CIC | Health & social care | 2023 |
| THE Boring Property Company Limited | Real estate | 2019 |
| THE Bottle of Sauce Limited | Hospitality | 2016 |
| THE Boutique Distillery Ltd | Manufacturing | 2018 |
| THE Brambles Veterinary Centre Limited | Professional & scientific | 2008 |
| THE Brick Side Ltd | Wholesale & retail | 2026 |
| THE Bridge 50 Plus CIC | Education | 2026 |
| THE British Pepper & Spice Company Limited | Manufacturing | 1998 |
| THE Brush House Limited | Wholesale & retail | 2017 |
| THE Bubbly Tea Ltd | Hospitality | 2026 |
| THE Butchers Block (Eldersfield) Limited | Hospitality | 2017 |
| THE Cash Exchange Limited | Wholesale & retail | 2012 |
| THE Castle Group UK Ltd | Extraterritorial | 2005 |
| THE Cawa Ltd | Construction | 2024 |
| THE Chamwell Centre Charity | Education | 2015 |
| THE Change Activists Ltd | Information & communication | 2020 |
| THE Cheltenham Acupuncturist Ltd | Health & social care | 2024 |
| THE Cheltenham Flower School Ltd | Wholesale & retail | 2017 |
| THE Cheltenham Support Group Ltd | Public administration | 2018 |
| THE Chestnuts (Gloucester) Management Company Limited | Households | 2001 |
| THE Church Housing Foundation | Other services | 2022 |
| THE Cinnamon Cakery Ltd | Manufacturing | 2025 |
| THE Circle Partnership Ltd | Administrative & support | 2021 |
| THE Clubhouse @ Lrfc Ltd | Arts & recreation | 2017 |
| THE Cocreative Interior Design Ltd | Arts & recreation | 2019 |
| THE COD Master Ltd | Hospitality | 2024 |
| THE Collectable Store Ltd | Wholesale & retail | 2016 |
| THE Colour Room Gloucester Ltd | Other services | 2026 |
| THE Compleat Building Company Ltd | Real estate | 2005 |
| THE Computer Cookie Ltd | Extraterritorial | 2011 |