| Rudd Events Ltd | Hospitality | 2007 |
| Rudd Joinery Limited | Manufacturing | 2003 |
| Rudd Marquees Limited | Administrative & support | 2007 |
| Runcton Park Homes Ltd | Hospitality | 2023 |
| Rushbech Associates Limited | Professional & scientific | 2019 |
| Russell Bowlby Designs Limited | Arts & recreation | 2017 |
| Russen & Turner Limited | Real estate | 2003 |
| Rust Contractors Ltd | Construction | 2023 |
| Rutrecht + Kimberley Landscape and Garden Design LLP | | 2019 |
| RV Custom Homes Ltd | Construction | 2021 |
| RW Bespoke Limited | Construction | 2017 |
| RWC Services Limited | Administrative & support | 2007 |
| RWC Tittleshall Limited | Agriculture & fishing | 2012 |
| RWK Automotive Ltd | Wholesale & retail | 2025 |
| Rwngc 2022 Limited | Financial services | 2022 |
| Ryan Bensley Financial Services Limited | Financial services | 2017 |
| Ryan Bensley Properties Limited | Real estate | 2018 |
| Ryan Bensley Racing Ltd | Arts & recreation | 2024 |
| Ryan Enterprise Ltd | Other services | 2022 |
| Rycka Ltd | Transport & logistics | 2014 |
| RYL Cuts Ltd | Other services | 2026 |
| S & J Partyka Ltd | Construction | 2003 |
| S & M Builds Ltd | Construction | 2014 |
| S & M for Rent Limited | Real estate | 2025 |
| S Branch Entertainment Limited | Information & communication | 2022 |
| S C Control System Limited | Manufacturing | 2004 |
| S Dodman Agricultural Services Limited | Agriculture & fishing | 2008 |
| S H Finance Limited | Financial services | 2022 |
| S Hartley Building Limited | Construction | 2015 |
| S Hutchinson Limited | Professional & scientific | 2015 |
| S J Pemberton Builders Limited | Construction | 2007 |
| S L B Plumbing & Heating Services Ltd | Real estate | 2015 |
| S M Parkes Windows Ltd | Construction | 2021 |
| S R T Limited | Manufacturing | 2006 |
| S&B Commercial Utilities Ltd | Construction | 2026 |
| S&L Self-Harm Awareness and Prevention CIC | Health & social care | 2026 |
| S&S Painting and Decorating Ltd | Construction | 2022 |
| S.Evans Reporting Limited | Professional & scientific | 2024 |
| S.G.A. House Services Ltd. | Administrative & support | 1995 |
| S.H.Plus.A Ltd | Real estate | 2025 |
| S.K.I. Holdings Ltd | Financial services | 2018 |
| S.O.M.E. Hotel Group Limited | Hospitality | 2025 |
| S.P. Tucker Cleaning Services Limited | Administrative & support | 2011 |
| S1BUILDERSNORFOLK Ltd | Construction | 2025 |
| Saadat Ahsan Medics Ltd | Education | 2025 |
| Sable and OX Ltd | Wholesale & retail | 2012 |
| Safeline Roofing Limited | Construction | 2023 |
| Sage Healthcare Ltd | Professional & scientific | 1995 |
| SAI Ortho Limited | Health & social care | 2019 |
| SAI Vision UK Ltd | Real estate | 2013 |
| Saint Clements Limited | Professional & scientific | 2021 |
| Saint Engineer Limited | Manufacturing | 2002 |
| Saint George Medical Limited | Health & social care | 2014 |
| Saint Hair Ltd | Other services | 2025 |
| Salade Limited | Hospitality | 2014 |
| Salgate Limited | Administrative & support | 2007 |
| Salt Life Ltd | Households | 2021 |
| SAM Exploration Consultants Limited | Mining & quarrying | 2015 |
| Samhara Medical Ltd | Health & social care | 2023 |
| Samuels Farm Shop Limited | Wholesale & retail | 2022 |
| Sandhurst Court (Sheringham) Management Co. Limited | Hospitality | 1981 |
| Sandringham Lawn Care Limited | Administrative & support | 2016 |
| Sandringham Windows Norfolk Ltd | Construction | 2020 |
| Sanford Lighting Design Ltd | Professional & scientific | 2020 |
| Sanssouci & Crowe Limited | Construction | 2013 |
| Santana Alves Ltd | Transport & logistics | 2024 |
| Santos Car Body Repairs Limited | Wholesale & retail | 2020 |
| Santos Garage Limited | Wholesale & retail | 2019 |
| Saoirse Shellfish Ltd | Agriculture & fishing | 2020 |
| Sapeli Limited | Health & social care | 2019 |
| Sarah Elizabeth Creations Limited | Arts & recreation | 2012 |
| Sarah Forde Consultants Ltd | Professional & scientific | 2024 |
| Sarah Hardy Media Limited | Information & communication | 2015 |
| Sark Ventures Ltd | Real estate | 2023 |
| Sarpanova Ltd | Hospitality | 2020 |
| Sash Bright Ltd | Construction | 2021 |
| Satago (Trading) Ltd | Construction | 2013 |
| Satiate Artisan Limited | Hospitality | 2024 |
| Saturn Rust Limited | Information & communication | 2025 |
| SAU Residence Limited | Real estate | 2017 |
| Saundergate Properties Limited | Real estate | 2000 |
| Savanna Pure Ltd | Wholesale & retail | 2026 |
| Save on Cosmetics Limited | Wholesale & retail | 2025 |
| Sawtooth Studios Ltd | Real estate | 2025 |
| Sawyer Engineering Services Ltd. | Manufacturing | 2016 |
| SB Building Improvements Limited | Construction | 2016 |
| Scaffcycle Ltd | Construction | 2025 |
| Scaled Consulting Ltd | Professional & scientific | 2022 |
| Scanrho Aviation Limited | Manufacturing | 1990 |
| SCH Aircraft Consultancy Ltd | Administrative & support | 2016 |
| School House Denture Clinic & Laboratories Ltd. | Health & social care | 2010 |
| School Road West Walton Suds Management Company Limited | Households | 2019 |
| Scott Construction Management Services Ltd | Construction | 2019 |
| Scottgate Close (Terrington ST Clement) Management Company Limited | Real estate | 2013 |
| Scrappy Cat Crafts Limited | Wholesale & retail | 2012 |
| Scrubby Oak Fine Foods Limited | Manufacturing | 2006 |
| Sculpt Salon Ltd | Other services | 2021 |
| Sculthorpe Mill Limited | Hospitality | 2007 |
| SD Scaffolding Ltd | Construction | 2021 |
| Sdip Aliro Limited | Financial services | 2017 |