| S Farms Limited | Financial services | 2021 |
| S J Anderson Fractional Marketing Ltd | Professional & scientific | 2025 |
| Saltmarsh Economics Limited | Professional & scientific | 2021 |
| Sanagustine Ltd | Construction | 2022 |
| Saxby Estates Limited | Real estate | 2017 |
| Sblended Ltd | Hospitality | 2026 |
| Scolt Head Parks Limited | Hospitality | 2020 |
| Search Smart Limited | Information & communication | 2015 |
| Sehmi Assets Limited | Real estate | 2024 |
| Serenity Natural Healing Centre Limited | Other services | 2008 |
| Shelter & Pride Ltd | Real estate | 2025 |
| Silfield Management Company Limited | Real estate | 2002 |
| SJP Solicitors LLP | | 2019 |
| Snettisham Fish Bar Ltd | Hospitality | 2014 |
| Sovereign Stays Ltd | Hospitality | 2025 |
| Srhr Ltd | Manufacturing | 2024 |
| ST Clements Properties Ltd | Real estate | 2025 |
| Staithe Strategic Limited | Professional & scientific | 2016 |
| Staypressed and Clean Limited | Other services | 2013 |
| Steadfaith Limited | Professional & scientific | 2007 |
| Strange Software Limited | Information & communication | 1987 |
| Streets Marketing Limited | Professional & scientific | 2013 |
| Stud Management Advisory Ltd | Agriculture & fishing | 2018 |
| Sunset Inn Limited | Hospitality | 2013 |
| T M Electronic Services (Norfolk) Ltd | Professional & scientific | 2011 |
| T&H Thory Holdings Ltd | Financial services | 2026 |
| T&T GAS and Property Services Ltd | Construction | 2025 |
| Tantalum Trading Ltd | Real estate | 2017 |
| THE Big Chiller Company Limited | Administrative & support | 2016 |
| THE Chapel Emporium Management Company Ltd | Real estate | 2022 |
| THE Freelance Agent Bureau Ltd | Other services | 2023 |
| THE Golden Lion (Hunstanton) Limited | Hospitality | 1937 |
| THE Norfolk Delicatessen Company Ltd | Wholesale & retail | 2013 |
| THE Pavillion (Norfolk) Limited | Hospitality | 2016 |
| THE Sunset Guest House Ltd | Hospitality | 2020 |
| THE Wash Trading Ltd | Wholesale & retail | 2008 |
| THIS360 GB Limited | Education | 2024 |
| Thornham Deli Limited | Wholesale & retail | 2014 |
| Thornham Deli Properties Ltd | Real estate | 2014 |
| Thornham Farms (Norfolk) Limited | Agriculture & fishing | 1960 |
| Thornham Harbour Oysters Limited | Manufacturing | 2020 |
| Thornham Holiday Lettings Limited | Real estate | 2011 |
| Thornham Property Investments Limited | Real estate | 2005 |
| Thornham Village Hall and Playing Field | Arts & recreation | 2010 |
| Thornton Holmes Limited | Financial services | 2024 |
| Threejays Trading Limited | Wholesale & retail | 2016 |
| Tracey Sparkes Ltd | Professional & scientific | 2011 |
| Tramline Limited | Households | 1996 |
| Tranaut Limited | Professional & scientific | 2016 |
| True Source Gems Limited | Financial services | 2023 |
| UK Fire Safety Management Ltd | Public administration | 2011 |
| UK Laser Consultancy Ltd | Professional & scientific | 2023 |
| Userface Limited | Information & communication | 1999 |
| Value 4 Money (Norfolk) Limited | Wholesale & retail | 2001 |
| Vanworx Ltd | Professional & scientific | 2023 |
| Vault Yield Limited | Administrative & support | 2015 |
| Vegas Amusements Limited | Real estate | 2003 |
| VER Limited | Agriculture & fishing | 1997 |
| Vertex Architecture (Norwich) Ltd | Professional & scientific | 2020 |
| Vertex Maintenance Limited | Construction | 2024 |
| Vortex Carbon Ltd | Energy | 2025 |
| WAC Media Ltd | Information & communication | 2025 |
| Waites Farm (KF) Limited | Financial services | 2020 |
| Waites Farm Holdings Limited | Real estate | 2018 |
| We'Ve GOT Energy Limited | Energy | 2014 |
| Weld-Class Solutions Limited | Professional & scientific | 2005 |
| West Norfolk Limited | Wholesale & retail | 2009 |
| WH & MB Nunn Property Limited | Real estate | 2002 |
| White Edge Coaching Limited | Arts & recreation | 2020 |
| White Hawk Products Ltd | Wholesale & retail | 2018 |
| Wicks Estates Limited | Construction | 2024 |
| Williams & Co. Accountants Ltd | Professional & scientific | 2018 |
| Winnington Associates Ltd | Transport & logistics | 2011 |
| Wizard Worldwide Limited | Wholesale & retail | 1999 |
| Wood Cottages Ltd | Hospitality | 2013 |
| Wood United Limited | Construction | 2011 |
| Woodco Holdings Ltd | Real estate | 2018 |
| Xena Holdings Ltd | Real estate | 2018 |
| YI JIE Yuan Limited | Construction | 2014 |
| Yifung Ltd | Hospitality | 2022 |
| York Place 45 York Avenue Management Company Limited | Households | 2023 |
| Your Choir Ltd | Arts & recreation | 2021 |