| THE Review Smiths Limited | Wholesale & retail | 2020 |
| THE Rewrite Initiative Ltd | Information & communication | 2025 |
| THE Right Place Limited | Real estate | 2016 |
| THE Ripley Carpet Company Ltd | Wholesale & retail | 2018 |
| THE Robert Frew Medical Company Limited | Real estate | 1996 |
| THE Roofing & Scaffolding Company Limited | Administrative & support | 2016 |
| THE Ropes Management Company Limited | Real estate | 2004 |
| THE Royal Agricultural Society of the Commonwealth | Other services | 2003 |
| THE Rural Architect Ltd | Professional & scientific | 2017 |
| THE Rural Building Company Ltd | Construction | 2024 |
| THE Rural Consultant Ltd | Professional & scientific | 2018 |
| THE Saas House Ltd | Information & communication | 2024 |
| THE Safety Space Limited | Administrative & support | 2021 |
| THE Sainsbury Laboratory | Professional & scientific | 1997 |
| THE Salon Costessey Academy Ltd | Other services | 2021 |
| THE Salon Costessey Ltd | Other services | 2015 |
| THE Sands Hotel Margate Ltd | Hospitality | 2011 |
| THE Sands Sheringham Ltd | Hospitality | 2025 |
| THE SAW Trust | Arts & recreation | 2005 |
| THE Scented Barn Holt Ltd | Wholesale & retail | 2025 |
| THE Scented Barn Ltd | Wholesale & retail | 2024 |
| THE Shackleton Design and Manufacturing Company Ltd | Wholesale & retail | 2010 |
| THE Ship Inn Reedham Ltd | Hospitality | 2021 |
| THE Shoebox Enterprises CIC | Education | 2015 |
| THE Shopkeeper Store Ltd | Wholesale & retail | 2013 |
| THE Shopperz Ltd | Wholesale & retail | 2018 |
| THE Shutter Outlet Ltd | Wholesale & retail | 2025 |
| THE Silver Society | Arts & recreation | 2011 |
| THE SIR John Hurt Film Trust Limited | Information & communication | 1966 |
| THE Siren Gym Ltd | Arts & recreation | 2026 |
| THE Slater Trust Limited | Administrative & support | 1963 |
| THE Smart Group (Aesthetics) Limited | Other services | 2018 |
| THE Smarter Food Company Limited | Wholesale & retail | 2018 |
| THE Smith + Pinching Group Limited | Financial services | 1980 |
| THE Smithy Properties Ltd | Construction | 2007 |
| THE Smokehouse Bar & Grill Ltd | Hospitality | 2019 |
| THE Snoozy Club Limited | Manufacturing | 2025 |
| THE Snug Norwich CIC | Health & social care | 2023 |
| THE Sofa Design Studio Ltd | Manufacturing | 2021 |
| THE Software Incubator Limited | Information & communication | 2009 |
| THE Sondry Initiative Ltd | Professional & scientific | 2025 |
| THE Southey Brewing Company Limited | Manufacturing | 2016 |
| THE Spanish Property Marketing Company Ltd | Real estate | 2020 |
| THE Specs Factory (Ipswich) Limited | Wholesale & retail | 2006 |
| THE Specs Factory Chelmsford Ltd | Wholesale & retail | 2008 |
| THE Specs Factory Limited | Wholesale & retail | 2005 |
| THE Specs Factory Norwich Ltd | Wholesale & retail | 2008 |
| THE Spiral Hub Ltd | Professional & scientific | 2020 |
| THE Spmu and Makeup Academy Ltd | Wholesale & retail | 2016 |
| THE Squirrels Drey Consortium Limited | Hospitality | 2022 |
| THE ST Andrew's School Trust | Education | 2008 |
| THE ST Leonard’S Fish Bar Ltd | Hospitality | 2023 |
| THE Stables Eatery Ltd | Hospitality | 2018 |
| THE Stackyard (Little Chesterford) Management Company Limited | Households | 2025 |
| THE Stalham Car Centre Limited | Wholesale & retail | 2024 |
| THE Stalham Community Shop CIC | Wholesale & retail | 2022 |
| THE Stanton Collection Ltd | Professional & scientific | 2020 |
| THE Stationery Office Limited | Manufacturing | 1995 |
| THE Stationery Office Pension Trustees Limited | Professional & scientific | 2002 |
| THE Steam Packet Ltd | Hospitality | 2022 |
| THE Stellar Edit Ltd | Administrative & support | 2025 |
| THE Street Pizza Shop Ltd | Hospitality | 2025 |
| THE Strength Collective Norwich PT Ltd | Arts & recreation | 2026 |
| THE Student Pocket Guide Ltd | Information & communication | 2007 |
| THE Suffolk Architectural Lighting Company Limited | Extraterritorial | 2017 |
| THE Suffolk Jungle Room Ltd | Wholesale & retail | 2021 |
| THE Suffolk PUB Company Limited | Hospitality | 2018 |
| THE Suffolk Safe Company Limited | Wholesale & retail | 2024 |
| THE Suite Norwich Limited | Hospitality | 2026 |
| THE Sure Chill Company Limited | Professional & scientific | 2002 |
| THE Swaffham MOT Centre Ltd | Manufacturing | 2016 |
| THE Sweet Station East Anglia Limited | Hospitality | 2026 |
| THE Sweet Store Online Ltd | Wholesale & retail | 2022 |
| THE Tactical Athlete Ltd | Health & social care | 2021 |
| THE Talent Tailors Ltd | Professional & scientific | 2014 |
| THE Tax Republic Ltd | Professional & scientific | 2025 |
| THE Taxassist Direct Group Limited | Professional & scientific | 2014 |
| THE Tea Junction (Wholesale) Ltd | Wholesale & retail | 2022 |
| THE Tea Junction Ltd | Wholesale & retail | 2003 |
| THE Telling Stories Press CIC | Information & communication | 2026 |
| THE Thornham Oyster Company Limited | Other services | 2018 |
| THE Three Pigs Limited | Hospitality | 2006 |
| THE Tpmc Logistics Ltd | Transport & logistics | 2025 |
| THE Tradesmans Cafe Ltd | Hospitality | 2021 |
| THE Traditional Media Agency Limited | Professional & scientific | 2015 |
| THE Travelling Antman Ltd | Financial services | 2023 |
| THE Turner Group Limited | Professional & scientific | 1994 |
| THE Tutor Team Limited | Education | 2017 |
| THE Twelfth Key Limited | Information & communication | 2025 |
| THE Twinnies Ltd | Health & social care | 2024 |
| THE Two Towers Brewery Ltd | Manufacturing | 2010 |
| THE Tyre, Exhaust & Auto Repair Centre Hanwell Limited | Wholesale & retail | 2009 |
| THE UK Holiday Group Limited | Hospitality | 1984 |
| THE UK Leisure Group Limited | Administrative & support | 2001 |
| THE Unthank Kitchen Limited | Hospitality | 2019 |
| THE Urban Building Partners Ltd | Real estate | 2021 |
| THE Urban Element Ltd | Information & communication | 2016 |
| THE Vadillo Group Ltd | Wholesale & retail | 2025 |
| THE Validation Centre (TVC) Limited | Manufacturing | 2002 |
| THE Vampire's Manor Limited | Information & communication | 2023 |