| THE Shed & Cabin Company Ltd | Wholesale & retail | 2018 |
| THE Shiny Beer PUB Company Limited | Hospitality | 2012 |
| THE Ship (Brandon Creek) Limited | Hospitality | 2021 |
| THE Sisterhood Village CIC | Health & social care | 2023 |
| THE Solar Shed Limited | Energy | 2014 |
| THE Sparkle Oven Cleaning Company (UK) Ltd | Administrative & support | 2008 |
| THE Sparkle Oven Cleaning Franchise UK Limited | Administrative & support | 2014 |
| THE Spontaneous Cuppa Ltd | Hospitality | 2022 |
| THE Studio Moon Entertainments Ltd | Administrative & support | 2024 |
| THE Swaffham Advertiser Limited | Information & communication | 2013 |
| THE Temporary Kitchen Co (Norfolk) Ltd | Wholesale & retail | 2026 |
| THE Three Horseshoes PUB Limited | Hospitality | 2014 |
| THE Tile Shop Interiors Limited | Construction | 1984 |
| THE TOW Bar Group Ltd | Wholesale & retail | 2021 |
| THE Warnes Group Ltd | Financial services | 2019 |
| THE Waterboys Limited | Construction | 2001 |
| THE Waterside Bar Limited | Hospitality | 2025 |
| THE West Newton Inn Ltd | Hospitality | 2023 |
| THE White House Limited Partnership | | 2024 |
| THE Wildfowler Ltd | Hospitality | 2022 |
| THE Willows Management Company (2009) Limited | Administrative & support | 2009 |
| THE Wisbech Advertiser Limited | Information & communication | 2021 |
| THE Wood Fired Food Co. Ltd | Manufacturing | 2016 |
| Thedapperdogcompany Ltd | Wholesale & retail | 2021 |
| Thegraincompany Limited | Manufacturing | 2020 |
| Theodore Romano Pro Limited | Wholesale & retail | 2025 |
| Therapist to Coach Ltd | Professional & scientific | 2022 |
| Thermoline Plumbing and Heating Ltd | Construction | 2026 |
| Theseus Holdings Limited | Financial services | 2022 |
| Thesevennine Ltd | Wholesale & retail | 2024 |
| THG & Kelly Limited | Real estate | 2023 |
| Think With ME Limited | Health & social care | 2025 |
| Thinking Talking Limited | Health & social care | 2025 |
| Thirteen Doors Ltd | Hospitality | 2020 |
| This IS Fuller Ltd | Professional & scientific | 2016 |
| This Way to the Bar Limited | Hospitality | 2025 |
| Thomas Construction (Norfolk) Limited | Construction | 1991 |
| Thomas Faire EOT Limited | Administrative & support | 2023 |
| Thomas Faire Limited | Professional & scientific | 2013 |
| Thompson Forktruck Services Limited | Manufacturing | 2009 |
| Thornalley Funeral Services Ltd | Other services | 2002 |
| Thorpe ARB & Forestry Ltd | Extraterritorial | 2018 |
| Threeway Construction Ltd | Construction | 2016 |
| Thunderbus Ltd | Hospitality | 2021 |
| Thurlow Holdings Ltd | Financial services | 2021 |
| Tideline Solutions Ltd | Agriculture & fishing | 2023 |
| TIM Gilbert Wealth Management Limited | Financial services | 2021 |
| TIM Hughes Property Ltd | Real estate | 2026 |
| Tim's Tree Services Limited | Other services | 2023 |
| Timber Frame Management Limited | Manufacturing | 2004 |
| Timber Paint Solutions Limited | Manufacturing | 2013 |
| Timbo's Hand Car Wash Ltd | Administrative & support | 2013 |
| TIN Fish Digital Communications Limited | Professional & scientific | 2023 |
| Tinoy Limited | Health & social care | 2022 |
| Tinsley Millward Limited | Professional & scientific | 2025 |
| Tintpoint Ltd | Wholesale & retail | 2020 |
| Tiny Vision Ltd | Health & social care | 2025 |
| Tinytravel Ltd | Manufacturing | 2025 |
| Tipple & Co Decorators Ltd | Construction | 2017 |
| Titan Sushi Ltd | Hospitality | 2025 |
| Titanium Scaffolding Limited | Construction | 2018 |
| Tittleshall Estates Limited | Agriculture & fishing | 2014 |
| TJ and JJ International Limited | Hospitality | 2023 |
| TJ Shoplot Ltd | Wholesale & retail | 2024 |
| TJA Engineering Ltd | Professional & scientific | 2024 |
| TJA Finances Limited | Financial services | 2024 |
| TJF Accountancy Services Ltd | Professional & scientific | 2012 |
| TJH Property (East Anglia) Limited | Real estate | 2025 |
| TJT Engineering Limited | Professional & scientific | 2025 |
| TKM Electrical Contractors Ltd | Construction | 2019 |
| TLC the Lavender Company Limited | Extraterritorial | 2010 |
| Tmdm Ltd | Other services | 2015 |
| Tmoj Properties Limited | Real estate | 2025 |
| TMS and Sons Limited | Real estate | 2020 |
| TN Renewables Limited | Financial services | 2019 |
| Tobruk Anglia Limited | Construction | 2019 |
| Tobusiness Solutions Limited | Real estate | 2017 |
| Toby Winteringham Limited | Manufacturing | 2012 |
| Todd's Home Improvement Ltd | Construction | 2022 |
| Tollit & Harvey Holdings Limited | Extraterritorial | 2010 |
| Tollit & Harvey Limited | Extraterritorial | 2010 |
| TOM Rudd Electrical Contractors Ltd | Construction | 2019 |
| Tom&Co Financial Planning Limited | Professional & scientific | 2020 |
| Tomell London Limited | Wholesale & retail | 2026 |
| Tomy Thomas Limited | Wholesale & retail | 2014 |
| Tonis Art Studio Ltd | Wholesale & retail | 2019 |
| Tony FOX Agricultural Engineer Limited | Professional & scientific | 2008 |
| Tony Scase Court (Lynn Road) Limited | Households | 2017 |
| Top Chef Inn Ltd | Hospitality | 2025 |
| Topps Hair Fashions Limited | Other services | 2004 |
| Topup Chef Ltd | Hospitality | 2019 |
| Torc Care Home Limited | Health & social care | 2014 |
| Torc Ecology Ltd | Other services | 2008 |
| Tornado Aviation Ltd | Professional & scientific | 2018 |
| Torros Property Company Limited | Real estate | 2023 |
| Torsion Engineering Limited | Construction | 2006 |
| Total Motors Limited | Wholesale & retail | 2005 |
| Touch Repair Ltd | Wholesale & retail | 2021 |
| Tower Street KL Limited | Construction | 2021 |
| Townsend Wealth Management Limited | Professional & scientific | 2011 |