| Tassie Properties Limited | Real estate | 2022 |
| Tassie Waste Management Limited | Professional & scientific | 2024 |
| TCH Corporation Limited | Administrative & support | 2023 |
| Tea and Togetherness Ltd | Health & social care | 2024 |
| Team Trident Ltd | Administrative & support | 2014 |
| Telling Tails Studio Ltd | Professional & scientific | 2022 |
| Terrington Components Ltd | Wholesale & retail | 2022 |
| Teverga Development Technologies Limited | Administrative & support | 2025 |
| Text Back AI Limited | Information & communication | 2024 |
| Tfwf Ltd | Wholesale & retail | 2015 |
| THE Animal HUT Trading Company Limited | Administrative & support | 2002 |
| THE Arc'Itect Ltd | Hospitality | 2024 |
| THE Coach (Dersingham) Limited | Hospitality | 2022 |
| THE Home Outlet Stores Ltd | Wholesale & retail | 2014 |
| THE Hornby Group Limited | Health & social care | 2017 |
| THE Horse Box Handy MAN Limited | Manufacturing | 2016 |
| THE INN2BINN Limited | Real estate | 2011 |
| THE King's Lynn Mortgage Centre Limited | Financial services | 2002 |
| THE Levis Motorcycle Club Ltd | Hospitality | 2020 |
| THE Mead Group Ltd | Wholesale & retail | 1999 |
| THE New Norfolk Groomshed Ltd | Other services | 2024 |
| THE Norfolk OT Limited | Health & social care | 2024 |
| THE Old Pawn Shop Ltd | Professional & scientific | 2022 |
| THE Railway Touring Company Limited | Administrative & support | 1997 |
| THE SNR Group Ltd | Wholesale & retail | 2018 |
| THE South Pickenham Estate Company Limited | Agriculture & fishing | 1993 |
| THE Studio Hair Company Limited | Other services | 2001 |
| THE Wild Garden Company Norfolk Limited | Administrative & support | 2026 |
| THE Wilderness Garden Ltd | Wholesale & retail | 2025 |
| THE Wish Hair Limited | Other services | 2006 |
| Thegunapp Ltd | Information & communication | 2021 |
| Thelandapp Ltd | Information & communication | 2021 |
| Thelittliecompany Ltd | Wholesale & retail | 2024 |
| Thenatureapp Ltd | Information & communication | 2021 |
| Theoretical Limited | Information & communication | 2017 |
| Thetford Control Systems Limited | Professional & scientific | 2019 |
| Thistlerun Gundogs Ltd | Agriculture & fishing | 2024 |
| Three Worlds Limited | Arts & recreation | 2018 |
| Thulbourne Agricultural Contractor Limited | Agriculture & fishing | 2015 |
| Tiga Driving Limited | Transport & logistics | 2016 |
| TIM Curtis Building Services Limited | Construction | 2013 |
| Timber Services (UK) Ltd | Wholesale & retail | 2000 |
| Titan Roofing Limited | Construction | 2017 |
| TJC BS LLP | | 2026 |
| TL Repairs Ltd | Other services | 2022 |
| TM Rushton Services Limited | Other services | 2007 |
| TMT Tech Horticulture Limited | Professional & scientific | 2010 |
| Tooeek Ltd | Information & communication | 2021 |
| Torc Motors Limited | Wholesale & retail | 2010 |
| Total Domestic Services Ltd | Administrative & support | 2021 |
| Touring Motorhomes Ltd | Manufacturing | 2022 |
| TQC Services Limited | Construction | 2016 |
| Trado Commercial Vehicles Ltd | Manufacturing | 2021 |
| Train Wash Solutions Ltd | Manufacturing | 2026 |
| Travellers Two Limited | Extraterritorial | 2011 |
| Travelworks Media and Technology Limited | Information & communication | 2022 |
| TRI County Plant Ltd | Professional & scientific | 2026 |
| Trident Electric Vehicles Limited | Manufacturing | 2013 |
| Trident Performance Vehicles Ltd | Manufacturing | 2004 |
| Trident Sports Cars Limited | Manufacturing | 2011 |
| Trident Torque Multiplication Technologies Limited | Manufacturing | 2013 |
| Trident Vehicles Group Ltd | Manufacturing | 2010 |
| Trigger Image Limited | Professional & scientific | 2006 |
| Triple R Vehicles Limited | Wholesale & retail | 2018 |
| Trowse & Co Decor Ltd | Construction | 2023 |
| Turbine Investments Ltd | Financial services | 2022 |
| Twenty Two Property Limited | Construction | 2017 |
| Ultimate Spray Solutions Ltd | Wholesale & retail | 2024 |
| Ultra-Klear Ltd | Administrative & support | 2026 |
| Unit 7 Creations Limited | Wholesale & retail | 2005 |
| UPL Holdings Ltd | Financial services | 2017 |
| UPL Real Estate Ltd | Real estate | 2023 |
| Urban Construction and Renovation Ltd | Construction | 2024 |
| Urge Collective Limited | Professional & scientific | 2021 |
| V & F Estates Limited | Professional & scientific | 1972 |
| Valant Care Limited | Health & social care | 2010 |
| Vale Building Engineering Services Limited | Real estate | 1970 |
| Vale Farm & Estates (Norfolk) Limited | Real estate | 1973 |
| Vale Group Holdings & Management Company Limited | Professional & scientific | 1970 |
| Vartala Ltd | Extraterritorial | 2021 |
| Vectio Engineering Ltd | Manufacturing | 2016 |
| Vector Associates (UK) Limited | Professional & scientific | 2010 |
| Villiers Engines International Ltd | Manufacturing | 2019 |
| Vita Initium Limited | Wholesale & retail | 2022 |
| VKS (U.K.) Ltd | Arts & recreation | 2017 |
| Vogue Investment Holding Ltd | Extraterritorial | 2022 |
| VW Camper Curtains Limited | Manufacturing | 2004 |
| Waites & Stones Limited | Transport & logistics | 2006 |
| Ward Electrical Contractors Eastern Limited | Construction | 2022 |
| Warren Travel Limited | Administrative & support | 1995 |
| Waste Revolution Ltd | Professional & scientific | 2006 |
| Watlington Drain Renovations Limited | Construction | 2008 |
| Waxickle Ltd | Wholesale & retail | 2025 |
| WEARE4FIVE Ltd | Administrative & support | 2026 |
| Welding Solutions Offshore Ltd | Construction | 2026 |
| Welstand Limited | Administrative & support | 2020 |
| Westside Shellfish Limited | Agriculture & fishing | 2007 |
| Wfec Ltd | Agriculture & fishing | 2023 |
| Who's at the Door Limited | Extraterritorial | 2015 |
| Wice (ROW) Limited | Administrative & support | 2022 |