| Stewart Mumford Architectural Consulting Limited | Professional & scientific | 2015 |
| Sticky FIG Catering Limited | Hospitality | 2014 |
| Stiklings C.I.C. | Education | 2021 |
| Stinstallationservices Limited | Construction | 2025 |
| Stoke Prior Retail Limited | Wholesale & retail | 2016 |
| Stone Court Property Developments Limited | Real estate | 1975 |
| Stone Heath Homes Limited | Construction | 2021 |
| Stone House Care and Medical Limited | Health & social care | 2017 |
| Stone Meadow Management Ltd | Administrative & support | 2020 |
| Stoneleigh Building Solutions Limited | Construction | 2015 |
| Stonerust Ltd | Administrative & support | 2019 |
| Storm Environmental Limited | Manufacturing | 2008 |
| Storm Waste Systems Limited | Extraterritorial | 2011 |
| Stour Accountants Limited | Professional & scientific | 2013 |
| Stourport Aesthetics Ltd | Other services | 2023 |
| Stourport Communications Ltd | Information & communication | 2021 |
| Straesom Ltd | Administrative & support | 2024 |
| Stragarbom Ltd | Administrative & support | 2024 |
| Stragarom Ltd | Administrative & support | 2024 |
| Strainpash Ltd | Administrative & support | 2024 |
| Stramatt Ltd | Administrative & support | 2022 |
| Stratford Oak Limited | Extraterritorial | 2016 |
| Strathfield Consulting Limited | Professional & scientific | 2019 |
| Stratton-Streles Estates Limited | Agriculture & fishing | 1940 |
| Straurme Ltd | Administrative & support | 2024 |
| Stream HR Limited | Information & communication | 2020 |
| Streamline Solid Surfacing Limited | Manufacturing | 2019 |
| Stringefras Ltd | Transport & logistics | 2024 |
| Stroreathious Ltd | Transport & logistics | 2021 |
| Structural & Management Services Limited | Construction | 2020 |
| Stryd Run Club Limited | Health & social care | 2025 |
| Stuart J Barry Consult Limited | Professional & scientific | 2018 |
| Studio ED Ltd | Professional & scientific | 2022 |
| Studio for YOU Ltd | Professional & scientific | 2023 |
| Style Project Management Limited | Professional & scientific | 2026 |
| Styles Precision Holdings Ltd | Financial services | 2021 |
| Styles Precision Limited | Manufacturing | 2002 |
| SUB Structure Brickwork Limited | Construction | 2020 |
| Subdived Ltd | Administrative & support | 2019 |
| Sucre Limited | Real estate | 2023 |
| SUI Generis Consultancy Ltd | Professional & scientific | 2025 |
| Sukh Convenience Store Limited | Wholesale & retail | 2025 |
| Sully Property Investments Limited | Real estate | 2023 |
| Summerfields Residents Association Limited | Households | 2004 |
| Summit Road Services Limited | Professional & scientific | 1990 |
| Sumpclau Ltd | Transport & logistics | 2024 |
| Sunrise Care Solutions Limited | Administrative & support | 2025 |
| Superbarket Ltd | Wholesale & retail | 2023 |
| Supplysupplied.Com Limited | Education | 2019 |
| Surefire GAS Limited | Construction | 2024 |
| Surf Stitched Limited | Manufacturing | 2026 |
| Surf Works Limited | Manufacturing | 2010 |
| Survival Martial Arts Academy Limited | Arts & recreation | 2003 |
| Susie Shelmerdine Limited | Extraterritorial | 2015 |
| Sutton Accountancy Practice Ltd | Professional & scientific | 2026 |
| Sutton Weaver Ltd | Administrative & support | 2022 |
| SVA Developments Ltd | Real estate | 2023 |
| Svansten Ltd | Administrative & support | 2020 |
| Svetofor Systems Limited | Manufacturing | 2004 |
| SW Costume Services Limited | Arts & recreation | 2013 |
| Swain Hairdressing Ltd | Other services | 2011 |
| Swainpob Ltd | Administrative & support | 2024 |
| Swalwell Electrical Contractors Ltd | Construction | 2021 |
| Swan Centre Specsavers Limited | Wholesale & retail | 1993 |
| Swan Centre Visionplus Limited | Wholesale & retail | 1993 |
| Swancote Barns Management Company Limited | Real estate | 2004 |
| Swesh Gyms Limited | Arts & recreation | 2026 |
| Swesh Reform Limited | Arts & recreation | 2026 |
| Swesh Studio Limited | Wholesale & retail | 2026 |
| Swigrass Ltd | Administrative & support | 2024 |
| Syed Sohaib Traders Ltd | Wholesale & retail | 2025 |
| Symmat Limited | Professional & scientific | 2018 |
| Synmax UK Limited | Professional & scientific | 2023 |
| System Spray Limited | Wholesale & retail | 2010 |
| T & T Analysis Limited | Administrative & support | 2018 |
| T & T Concepts Limited | Wholesale & retail | 2026 |
| T Chadwick Ltd | Transport & logistics | 2026 |
| T R Blount Limited | Manufacturing | 2010 |
| T S Hospitality Ltd | Hospitality | 2012 |
| T Spackman Services Limited | Transport & logistics | 2024 |
| T Traders Limited | Administrative & support | 2025 |
| T.Aldred Limited | Wholesale & retail | 2021 |
| T.D. Transport Limited | Wholesale & retail | 1993 |
| T.E.C. Electric Motors Limited | Administrative & support | 2005 |
| T.H. Landscaping Limited | Administrative & support | 2018 |
| T.W.Little Furnishing Fitters Limited | Real estate | 1964 |
| T.W.S. (Kidderminster) Limited | Construction | 2005 |
| T7 Projects Limited | Real estate | 2022 |
| TA Convenience Ltd | Wholesale & retail | 2023 |
| Tabheed Ltd | Transport & logistics | 2021 |
| Tack Room Trading Ltd | Administrative & support | 2020 |
| Tainesgre Ltd | Administrative & support | 2021 |
| Tairoad Ltd | Administrative & support | 2024 |
| Tajeo Limited | Financial services | 2024 |
| Talking Props Theatre Arts Ltd | Arts & recreation | 2015 |
| Tamelock Ltd | Wholesale & retail | 2019 |
| TAN Bella Boutique Limited | Other services | 2016 |
| Tanique (Stourport) Ltd | Other services | 2021 |
| Tapistok Limited | Information & communication | 2024 |
| Tarzrem Ltd | Administrative & support | 2024 |