| THE Foundry Partnership Limited | Public administration | 2026 |
| THE Hair Boutique White House Farm Ltd | Other services | 2026 |
| THE Higham Family Trust | Health & social care | 2013 |
| THE Jones Company (Productions) Limited | Information & communication | 1995 |
| THE Kitchen @ Baytree House Limited | Hospitality | 2017 |
| THE Kyffin Gallery Ltd | Wholesale & retail | 2012 |
| THE Laundry-Next-The-Sea Ltd | Other services | 2026 |
| THE Line Agency Limited | Professional & scientific | 1988 |
| THE Lost Executive Limited | Information & communication | 2017 |
| THE Luxe Couture Ltd | Wholesale & retail | 2022 |
| THE Mayfields Care Home Limited | Health & social care | 2011 |
| THE Metro Nightclub and Bar Limited | Hospitality | 2015 |
| THE Mid-Norfolk Railway (Trading) Ltd | Arts & recreation | 2017 |
| THE Mid-Norfolk Railway Preservation Trust | Transport & logistics | 1995 |
| THE New Inn (Beetley) Ltd | Hospitality | 2022 |
| THE Norfolk Brewhouse Limited | Extraterritorial | 2010 |
| THE North Elmham Youth and Community Development Trust Limited | Arts & recreation | 1998 |
| THE Norwich Hub Ltd | Construction | 2016 |
| THE Old Lookout Management Company Limited | Households | 1991 |
| THE Paddocks Care Home Ltd | Health & social care | 2000 |
| THE Paranormal Research Team Limited | Other services | 2025 |
| THE Pet Travel Centre Ltd | Agriculture & fishing | 2025 |
| THE Picnic HUT Norfolk Limited | Hospitality | 2025 |
| THE Railway Arms (North Elmham) Ltd | Hospitality | 2018 |
| THE Recruit Venture Group Ltd | Professional & scientific | 2009 |
| THE Red Glow Rainlight Ltd | Wholesale & retail | 2024 |
| THE Roofbox Hire Company Franchising Limited | Administrative & support | 2024 |
| THE Shirecock Ltd | Transport & logistics | 2023 |
| THE Spread Eagle Ltd | Hospitality | 2019 |
| THE Studio Martial Arts Centre Limited | Arts & recreation | 2012 |
| THE Telegram Company Limited | Other services | 1994 |
| THE Times Newsagent (GT Yarmouth) Ltd | Wholesale & retail | 2015 |
| THE Transmission Shop (Auto) Ltd | Wholesale & retail | 2024 |
| THE Ultimate Touch Beauty Salons Limited | Other services | 2003 |
| THE Upper Room Design Consultancy Ltd | Administrative & support | 2007 |
| THE Wellspring Family Church Dereham | Health & social care | 2002 |
| THE White Horse (Witham) Ltd | Hospitality | 2017 |
| THE With Grace Group Ltd | Manufacturing | 2025 |
| Theatre Street Medical Supplies Limited | Wholesale & retail | 2011 |
| Thehookbaitvault Ltd | Wholesale & retail | 2026 |
| Think-Tank Consulting Limited | Professional & scientific | 2022 |
| This IS Your Life - Live IT Ltd. | Professional & scientific | 2020 |
| Thorndycraft Investing Limited | Real estate | 2017 |
| Three Willows Lake Ltd | Agriculture & fishing | 2019 |
| Thrive Personnel Services Ltd | Administrative & support | 2023 |
| Timb-A-Haul Limited | Agriculture & fishing | 1993 |
| Tinmush Engineering Limited | Professional & scientific | 2021 |
| Tips for Good Management Ltd. | Professional & scientific | 2006 |
| TJB Construction Ltd | Administrative & support | 2005 |
| TLP Agricultural Services Limited | Agriculture & fishing | 2014 |
| Tmap Leisure Ltd | Arts & recreation | 2024 |
| Tmasa Limited | Construction | 2024 |
| Tmjds Ltd | Health & social care | 2020 |
| Todd Enterprise and Leisure Limited | Professional & scientific | 2018 |
| Toftmead Court Management Company Limited | Households | 2010 |
| Toftnass Centre Ltd | Real estate | 2026 |
| TOM Eames Inspection Services Ltd | Professional & scientific | 2007 |
| TOM Williamson Plumbing & Heating Ltd | Construction | 2020 |
| TOM Willmott TM Ltd | Construction | 2019 |
| Toni Stacey Limited | Health & social care | 2011 |
| Tool Truck Bury ST. Edmunds Ltd | Wholesale & retail | 2018 |
| Total Race Timing Limited | Arts & recreation | 2018 |
| Total Support Recruitment Ltd | Administrative & support | 2019 |
| Tozers Independent Traders Ltd | Wholesale & retail | 2022 |
| TR Packer Ltd | Construction | 2010 |
| Tradehive Corp Ltd | Professional & scientific | 2024 |
| Trader Direct Limited | Information & communication | 2019 |
| Tradesite Studios Ltd | Professional & scientific | 2026 |
| Tradetech Home Services Limited | Construction | 2023 |
| Transporter Services Ltd | Wholesale & retail | 2020 |
| Tree Work East Limited | Agriculture & fishing | 2007 |
| TRI Harder UK Ltd | Wholesale & retail | 2018 |
| Tribe Transport Consultancy Ltd | Professional & scientific | 2022 |
| TRITON9 Limited | Information & communication | 2020 |
| Tropical Spices Dereham Ltd | Wholesale & retail | 2024 |
| Trovex Holdings Limited | Financial services | 2024 |
| Trovex Limited | Construction | 2024 |
| Tru-Vent Limited | Manufacturing | 2014 |
| Trust Fundraiser Ltd | Administrative & support | 2015 |
| TS Dickerson Holdings Ltd | Financial services | 2025 |
| Tudor Rose Leisure Services Ltd | Other services | 2019 |
| Turbo Comps Limited | Arts & recreation | 2024 |
| Turner-Drury & Co Ltd | Construction | 2017 |
| TW Design Limited | Professional & scientific | 2008 |
| Type 14 Design Limited | Professional & scientific | 2014 |
| Tyrule Consultants Limited | Public administration | 2024 |
| U-Move UK National Moving Group Limited | Transport & logistics | 2017 |
| U-Store (Norfolk) Limited | Transport & logistics | 2018 |
| UK Motorscout Limited | Professional & scientific | 2003 |
| Ultimate Rural Rentals Ltd | Real estate | 2024 |
| Unicorn Traders Ltd | Hospitality | 2025 |
| Unicross Limited | Manufacturing | 2009 |
| Unitmate Limited | Manufacturing | 2003 |
| Unity Education Trust | Education | 2017 |
| Unity Personnel Limited | Administrative & support | 2021 |
| Universal Racing Services Limited | Wholesale & retail | 2022 |
| UP 2 Scratch Limited | Other services | 2017 |
| Upton & Lawrence Landscaping & Groundworks Ltd | Construction | 2023 |
| Uxtasy Ltd | Professional & scientific | 2024 |
| Valewood Logistics Ltd | Transport & logistics | 2024 |