| T Crawford & Co (Chimneys) Limited | Financial services | 2024 |
| Talentnest Ltd | Professional & scientific | 2026 |
| TBS Logs Limited | Wholesale & retail | 2014 |
| Tegland Ltd | Extraterritorial | 2021 |
| Tegland P1 Ltd | Real estate | 2025 |
| Tegland Property Management Ltd | Real estate | 2021 |
| Tellystream Limited | Information & communication | 2019 |
| Temple and Hicks Builders Limited | Construction | 2014 |
| TGS Mechanical Limited | Manufacturing | 2019 |
| THE Admiral's Catch Ltd | Hospitality | 2025 |
| THE Agvisor Limited | Agriculture & fishing | 2020 |
| THE Bird Loft Shop Limited | Professional & scientific | 1998 |
| THE Bungay & District Sports Association Limited | Other services | 2004 |
| THE Bungay Medical Centre Property Company Limited | Real estate | 2000 |
| THE Buttercross Pantry Ltd | Hospitality | 2026 |
| THE Event Team Limited | Hospitality | 2005 |
| THE Fresh Beer Company Ltd | Wholesale & retail | 1997 |
| THE Front Room (Bungay) Limited | Hospitality | 2021 |
| THE Gipsy Hill Bar Company Limited | Administrative & support | 2017 |
| THE Gipsy Hill Brewing Company Ltd. | Manufacturing | 2013 |
| THE Imperial Wine Company Limited | Wholesale & retail | 2019 |
| THE Little Green Wholefood Shop Ltd | Wholesale & retail | 2009 |
| THE Magazine Company Ltd | Information & communication | 2024 |
| THE Mayfair Bungay Ltd | Wholesale & retail | 2023 |
| THE Mayfair Social Ltd | Hospitality | 2026 |
| THE Old Bank Tearooms Limited | Hospitality | 2025 |
| THE Spreadsheet Company Limited | Information & communication | 2008 |
| THE Tale Collectors CIC | Health & social care | 2023 |
| THE Willows (Bungay) Management Company Limited | Real estate | 2010 |
| Three Pastures Contracting Limited | Agriculture & fishing | 2012 |
| TIM Futter Landscaping Limited | Administrative & support | 2024 |
| TIM Williams Plumbing and Heating Limited | Construction | 2022 |
| Timezing Ltd | Education | 2020 |
| Tindall Brewery Ltd | Manufacturing | 2022 |
| TJ Clays Limited | Manufacturing | 2025 |
| Transam Trucking Holdings Limited | Financial services | 2024 |
| Transam Trucking Limited | Transport & logistics | 1977 |
| Treharne Limited | Hospitality | 2014 |
| Tubes Scaffolding Limited | Construction | 1994 |
| Tutors That Count Limited | Education | 2022 |
| V J Neale Services Limited | Wholesale & retail | 2022 |
| V4TEC Properties Limited | Real estate | 2025 |
| Van Chimp Ltd | Wholesale & retail | 2023 |
| Vearer Construction Limited | Construction | 2024 |
| Vertex Energy Ltd | Professional & scientific | 2025 |
| Virage Cafe Ltd | Hospitality | 2025 |
| W H Auto Limited | Wholesale & retail | 2025 |
| W&G Contracting Ltd | Construction | 2022 |
| Wainford Properties Limited | Hospitality | 2014 |
| Warehouse 14 Limited | Wholesale & retail | 2014 |
| Waterworks Plumbing & Bathrooms Limited | Construction | 2021 |
| Waveney Commercial Properties Limited | Construction | 2012 |
| Waveney Linen Ltd | Wholesale & retail | 2025 |
| Waveney Lodge Farms Limited | Real estate | 1977 |
| Waveney Logs Ltd | Agriculture & fishing | 2026 |
| Waveney Precision Ltd | Manufacturing | 2001 |
| Waveney Surfacing Limited | Construction | 2008 |
| Waveney Valley & District Preservation Society Limited | Other services | 2013 |
| WDX Security Limited | Administrative & support | 2013 |
| West Building Limited | Construction | 2009 |
| Weybread Sailing Club Limited | Arts & recreation | 2021 |
| WF Supplies Ltd | Wholesale & retail | 2016 |
| White Wood Dairy Limited | Manufacturing | 2019 |
| Wightman & Co Flooring Limited | Wholesale & retail | 2024 |
| William Braddock LLP | | 2019 |
| Willow Haven Care Farm CIC | Professional & scientific | 2019 |
| Wilson Milne Developments Ltd | Real estate | 2017 |
| Winchmax Limited | Wholesale & retail | 2000 |
| Wishyouthebest Ltd | Professional & scientific | 2025 |
| Workplace Charging Limited | Construction | 2017 |
| Wyatt Performance Limited | Extraterritorial | 2010 |
| Yacht Industry Limited | Professional & scientific | 1999 |
| Youdrink Ltd | Hospitality | 2023 |
| Young Family Life Ltd | Education | 2025 |