| Resolution Pubs Ltd | Hospitality | 2019 |
| Rfss Ltd | Professional & scientific | 2017 |
| Richards Cookshop Ltd | Wholesale & retail | 2019 |
| Richardson Equipment Co. Limited | Manufacturing | 2002 |
| Riverside Renewables Ltd | Professional & scientific | 2013 |
| RL Sushi Ltd | Hospitality | 2023 |
| RLS & Co Property Ltd | Construction | 2018 |
| Robinson Farms Holdings Limited | Agriculture & fishing | 2018 |
| ROD Edwards Limited | Professional & scientific | 2004 |
| Roger Warnes Transport Limited | Transport & logistics | 1984 |
| Roman Conservation Ltd | Manufacturing | 2014 |
| RSJ Advisory Ltd | Professional & scientific | 2024 |
| RTM Waste Management Services Ltd | Administrative & support | 2025 |
| RWS Multitask Ltd | Construction | 2009 |
| S & P Motors Limited | Wholesale & retail | 2001 |
| S Mcguinness Electrical Ltd | Construction | 2021 |
| S.A. Kilham Limited | Agriculture & fishing | 2006 |
| Saddle Tramp Adventure Travel Limited | Other services | 2009 |
| Safety Factory Limited | Wholesale & retail | 2001 |
| Salisbury Residential Home Limited | Health & social care | 2013 |
| School Bargain Bookshop Limited | Education | 2009 |
| School House Properties Limited | Real estate | 2026 |
| Scorpion Developments Limited | Real estate | 2001 |
| Semba Trading Co. Limited | Wholesale & retail | 1982 |
| Sensient Colors UK Ltd | Manufacturing | 1962 |
| Sensient UK Limited | Manufacturing | 2021 |
| Serjeant & SON Ltd | Professional & scientific | 2017 |
| Shadesafe UK Ltd | Wholesale & retail | 2010 |
| Shaw Heat Ltd | Construction | 2025 |
| SHORTSTAYS4U Limited | Hospitality | 2024 |
| SKS Computer Solutions Limited | Administrative & support | 2002 |
| Sky Translations Ltd | Professional & scientific | 2000 |
| Sober Lifestyle Ltd | Health & social care | 2024 |
| Southacre Plant Limited | Wholesale & retail | 1976 |
| Southgate Packaging Limited | Extraterritorial | 2020 |
| Sovren Group Ltd | Extraterritorial | 2025 |
| Spectrum Vehicle Repair and Valeting Ltd | Wholesale & retail | 2024 |
| Spice in Restaurant Ltd | Hospitality | 2023 |
| Spooner Property Development Ltd | Real estate | 2024 |
| Spring Wood Products Ltd | Professional & scientific | 2017 |
| ST George's Chambers Limited | Real estate | 2002 |
| Staryn Properties Limited | Real estate | 2024 |
| Steve Cato Restorations Ltd | Wholesale & retail | 2013 |
| Stockys Mowers Ltd | Manufacturing | 2024 |
| Stolberg Property Ltd | Real estate | 2026 |
| Stradsett Ltd | Agriculture & fishing | 2015 |
| Strand Hair Ltd | Wholesale & retail | 2013 |
| Strand Hair Online Ltd | Wholesale & retail | 2016 |
| Stylish Stems Designs Ltd | Wholesale & retail | 2023 |
| Subrosa 11 Ltd | Wholesale & retail | 2018 |
| Subrosa 12 Ltd | Manufacturing | 2019 |
| Subrosa 13 Ltd | Manufacturing | 2018 |
| Subrosa 18 Ltd | Manufacturing | 2010 |
| Subrosa 19 Ltd | Manufacturing | 2019 |
| Subrosa 3 Ltd | Professional & scientific | 2011 |
| Suckling Holdings Ltd | Financial services | 2024 |
| Suiters Limited | Construction | 2006 |
| Swaffham Carpet and Bedding Centre Ltd | Wholesale & retail | 2010 |
| T & G Formwork Limited | Construction | 2005 |
| T & R Wood Art Limited | Manufacturing | 2025 |
| T & S PUB Company Ltd | Hospitality | 2014 |
| T. M. Browne Limited | Construction | 2002 |
| T.M.Jennings Limited | Construction | 2003 |
| T.W. Suiter and SON Limited | Real estate | 1972 |
| TAE Kwon DO Limited | Arts & recreation | 2002 |
| TAE Kwon-Do Admin Services Limited | Arts & recreation | 2004 |
| TAE Kwon-Do Training Ltd | Arts & recreation | 2009 |
| Tailor Made Norfolk Ltd | Construction | 2021 |
| Tailor Made Norfolk Properties Ltd | Real estate | 2025 |
| Tank Inspections Limited | Professional & scientific | 2011 |
| Tansley Dedicated Properties Ltd | Real estate | 2023 |
| Tansley Group Ltd | Extraterritorial | 2023 |
| Tansley Holdings Ltd | Real estate | 2019 |
| Tansley Residential Ltd | Real estate | 2022 |
| Target Properties Limited | Real estate | 2013 |
| Tattersett Business Park Ltd | Real estate | 2009 |
| Tattersett Park Investments Ltd | Real estate | 2020 |
| Taylor and SON Construction Ltd | Professional & scientific | 2018 |
| Taylor Jetting and Marine Limited | Extraterritorial | 2004 |
| Taylored Storage Ltd | Transport & logistics | 2024 |
| TCG Shows Ltd | Hospitality | 2025 |
| Terena Moore Properties Limited | Real estate | 2021 |
| Terrington GAS and Fuels Limited | Wholesale & retail | 2018 |
| Terrington Service Station Limited | Wholesale & retail | 2004 |
| TG Engineering Services Limited | Manufacturing | 2002 |
| Thai Asia Imports Limited | Wholesale & retail | 2018 |
| Thaiukevents Ltd | Administrative & support | 2025 |
| THE Autocentre King's Lynn Ltd | Wholesale & retail | 2020 |
| THE Base Norfolk Ltd | Professional & scientific | 2011 |
| THE BED Base EOT Trustee Company Limited | Other services | 2025 |
| THE Brambles Labradors Ltd | Agriculture & fishing | 2026 |
| THE Care Company UK Ltd | Health & social care | 2009 |
| THE Chauffeuring Group Ltd | Transport & logistics | 2017 |
| THE Cholmondeley Gardens Trust | Arts & recreation | 2009 |
| THE Curry Leaf Kitchen Ltd | Hospitality | 2025 |
| THE Cutting Corner (Willow Park) Limited | Other services | 2006 |
| THE Elms (Wisbech) Management Company Limited | Households | 2023 |
| THE Exterior Cleaners Ltd | Administrative & support | 2024 |
| THE Foot Care Consultancy Ltd | Health & social care | 2012 |
| THE Granary Snettisham Ltd | Wholesale & retail | 2022 |