| Temple Grain Technology Limited | Wholesale & retail | 2022 |
| Tennis Growth Partnership Limited | Professional & scientific | 2023 |
| Tenville Products Limited | Wholesale & retail | 2003 |
| Terrammare Rope Access Ltd | Manufacturing | 2026 |
| TFA Ltd | Professional & scientific | 2019 |
| Thatcholme Trading Ltd | Households | 2018 |
| Thayan Investments Limited | Professional & scientific | 2017 |
| THE Academy and Beauty Room Ltd | Education | 2025 |
| THE Amersham Wine Company Ltd | Wholesale & retail | 2024 |
| THE Apiary (Harleston) Ltd | Wholesale & retail | 2019 |
| THE Apiary (Newtonmore) Ltd | Hospitality | 2026 |
| THE Ashley School Academy Trust | Education | 2011 |
| THE Bean Counter (EA) Limited | Wholesale & retail | 2022 |
| THE Bespoke Clinic Ltd | Other services | 2023 |
| THE Builder and Baker Limited | Real estate | 2021 |
| THE Capital Consultancy and Training Company Limited | Information & communication | 1992 |
| THE Carlton Public House Ltd | Hospitality | 2022 |
| THE Carpentry & Construction Company Ltd | Construction | 2015 |
| THE Cleaners (East Anglia) Limited | Administrative & support | 2023 |
| THE Clyffe (Gunton) Management Company Limited | Real estate | 2015 |
| THE Colour Shop Limited | Information & communication | 2016 |
| THE Cover Company (Anglia) Limited | Other services | 2008 |
| THE Craftlight Company Limited | Wholesale & retail | 1981 |
| THE Craighurst Management Company Limited | Real estate | 2003 |
| THE Department of Media Workflows Ltd | Professional & scientific | 2026 |
| THE Dino Squad Ltd | Arts & recreation | 2020 |
| THE Dragon Dowser Limited | Real estate | 2017 |
| THE Engine GUY Ltd | Professional & scientific | 2024 |
| THE Exodus Club Ltd | Other services | 2025 |
| THE Family Pint Ltd | Hospitality | 2025 |
| THE Fire Dragon Limited | Real estate | 2017 |
| THE Foods Expert Ltd | Hospitality | 2020 |
| THE Garden of Eaden Limited | Other services | 2025 |
| THE Global Church Audit Ltd | Wholesale & retail | 2026 |
| THE Grain Store Project Limited | Construction | 2021 |
| THE Halesworth Carpet Shop Limited | Wholesale & retail | 2010 |
| THE Happiness Foundation Limited | Health & social care | 2009 |
| THE Horse and Cart Ltd | Hospitality | 2023 |
| THE Hotel Victoria Lowestoft Ltd | Hospitality | 2016 |
| THE Hotel Victoria Properties Ltd | Real estate | 2019 |
| THE Hotspot (Lowestoft) Ltd | Other services | 2000 |
| THE House of Amen Ltd | Information & communication | 2024 |
| THE Kingdom Audit Ltd | Health & social care | 2024 |
| THE Klyne Company Ltd | Construction | 2023 |
| THE Landings (Halesworth) Limited | Households | 2025 |
| THE Little Nail Room Pakefield Limited | Other services | 2026 |
| THE Little Venetian Cafe and Boating Lake Ltd | Hospitality | 2026 |
| THE London Trolleybus Preservation Society Limited | Arts & recreation | 1972 |
| THE Lotus Childrens Foundation | Health & social care | 2005 |
| THE Lowestoft Bathroom Centre Limited | Construction | 2006 |
| THE Lowestoft Distillery Company Limited | Manufacturing | 2017 |
| THE Lowestoft Players Limited | Arts & recreation | 2009 |
| THE Mardle, Lound Ltd | Hospitality | 2025 |
| THE Marine Safety Centre Limited | Wholesale & retail | 1988 |
| THE Mermaid Fish Bar Ltd | Hospitality | 2020 |
| THE Mortgage Crew Ltd | Financial services | 2014 |
| THE Movewell Hub CIC | Education | 2026 |
| THE Norwich Brewery Co Ltd | Extraterritorial | 2015 |
| THE Odds Pakefield Limited | Hospitality | 2024 |
| THE Old Dairy Oulton Broad Limited | Hospitality | 2020 |
| THE Olivers Family Limited | Financial services | 2015 |
| THE Penny BUN Bakehouse Limited | Manufacturing | 2014 |
| THE Pink Seagull Limited | Wholesale & retail | 2022 |
| THE Polishing Company East Anglia Ltd | Wholesale & retail | 2022 |
| THE Polly Vincent Academy Limited | Education | 2024 |
| THE Prestige Sound Company Limited | Administrative & support | 2018 |
| THE Promoprints Network Limited | Wholesale & retail | 2020 |
| THE Property Collective Ltd | Real estate | 2022 |
| THE Repair Specialists Ltd | Construction | 2026 |
| THE Rocket Reel Company Ltd | Manufacturing | 2009 |
| THE Saffron Walden Fishmonger Limited | Hospitality | 2022 |
| THE Seagull Lowestoft Community Interest Company | Arts & recreation | 2007 |
| THE Serenity Initiative Community Interest Company | Health & social care | 2024 |
| THE Simple Life Suffolk Ltd | Real estate | 2022 |
| THE Stanford Arms Limited | Hospitality | 2012 |
| THE Suffolk Aesthetics Company Ltd | Other services | 2022 |
| THE Tasty Crumb Ltd | Manufacturing | 2025 |
| THE Thatch Restaurant Limited | Hospitality | 2021 |
| THE Tiny Tipple Company Limited | Manufacturing | 2017 |
| THE Trevor Cooke Company | Arts & recreation | 2007 |
| THE Ultimate Friendship Audit - Tufa Ltd | Health & social care | 2024 |
| THE Village (Norfolk Broads) Limited | Construction | 2006 |
| THE Voice Cloud CIC | Other services | 2013 |
| THE Wrap Bar Ltd | Hospitality | 2022 |
| THE Yard Project Community Interest Company | Health & social care | 2006 |
| THE Yoga Garden Limited | Education | 2020 |
| THE Zame Group Limited | Wholesale & retail | 2020 |
| Thedigitalmediacompany Limited | Professional & scientific | 2025 |
| Theta Resources Ltd | Other services | 2024 |
| Thirty by Thursday Limited | Information & communication | 2020 |
| Thor Hire Limited | Administrative & support | 2025 |
| Thor Refrigeration & Air Conditioning Limited | Construction | 2022 |
| Thorpe Engineering Ltd | Professional & scientific | 2020 |
| Three Daughters Ltd | Real estate | 2025 |
| Throttle & Grind Ltd | Hospitality | 2025 |
| Thurtle Property Services Ltd | Real estate | 2022 |
| Tiabd Limited | Financial services | 2014 |
| Tick Solutions Ltd | Wholesale & retail | 2012 |
| Tides Reach Ice Cream Ltd | Hospitality | 2025 |
| Tides Reach Park Cafe Ltd | Hospitality | 2026 |