| Stocky Services Limited | Financial services | 2023 |
| Stoke Prior Developments Limited | Real estate | 2013 |
| Stoke Prior NO 1 Limited | Professional & scientific | 2025 |
| Stone Manor Properties Ltd | Households | 2026 |
| Storage Bitz Limited | Construction | 2014 |
| Storm Housing Group Limited | Real estate | 2020 |
| Storm Ventilation Supplies Ltd | Wholesale & retail | 2017 |
| Stourbridge Glass & Glazing Ltd | Construction | 2021 |
| Stourbridge Masonic Management Limited | Other services | 2009 |
| Stourbridge Masonic Temple Limited | Other services | 2014 |
| Stourbridge MOT and Repair Centre Ltd | Wholesale & retail | 2011 |
| Stourbridge Windows Ltd | Manufacturing | 2021 |
| Stourton Storage Ltd | Administrative & support | 2021 |
| STPMEMBER1 Ltd | Financial services | 2026 |
| STPMEMBER2 Ltd | Financial services | 2026 |
| Straits Electrical Services Ltd | Construction | 2024 |
| Strategic Asset Holdings Ltd | Administrative & support | 2024 |
| Strategy Development Solutions Limited | Professional & scientific | 2011 |
| Strike Homes Ltd | Real estate | 2023 |
| Strike Solutions Ltd | Construction | 2020 |
| Strongdale Limited | Manufacturing | 2023 |
| Structural Design (Alveley) Ltd | Professional & scientific | 2018 |
| Studio Van Heerden Ltd | Professional & scientific | 2026 |
| Suber Sales Ltd | Wholesale & retail | 2025 |
| Sullivan Design Ltd | Professional & scientific | 2017 |
| Sullivan Ltd | Extraterritorial | 2006 |
| Sullivan Projects Ltd | Professional & scientific | 2011 |
| Summerhill Bathrooms Ltd | Wholesale & retail | 1997 |
| Summerhill Medical Reporting Ltd | Professional & scientific | 2015 |
| Summit Lifts Limited | Professional & scientific | 2024 |
| Supplyer Ltd | Wholesale & retail | 2020 |
| Supreme Clean Technicians Ltd | Construction | 2024 |
| Supreme Heating Services Limited | Construction | 2006 |
| Surefasteners Limited | Professional & scientific | 2016 |
| Surewerx UK Limited | Wholesale & retail | 2019 |
| Surfacing (Midlands) Ltd | Construction | 2020 |
| Surfacing (Western) Ltd | Construction | 2011 |
| Sutherton Ltd | Construction | 2023 |
| Suzanne Lesley Warby Ltd | Wholesale & retail | 2022 |
| Suzy P'S Tea Room & Cafe Ltd | Hospitality | 2026 |
| SV Associates Limited | Professional & scientific | 2018 |
| SVL Realisations 2026 Ltd | Manufacturing | 2008 |
| SW Medical Limited | Health & social care | 2021 |
| Swingewood Property Ltd | Real estate | 2026 |
| Sydney Charles Recruitment Limited | Administrative & support | 2017 |
| Symbio Technologies Limited | Manufacturing | 2025 |
| Symbiotex Ltd | Manufacturing | 2021 |
| Synairgy Limited | Extraterritorial | 2013 |
| Synergy UK Services Ltd | Other services | 2024 |
| Syscom (Data Services) Limited | Information & communication | 1980 |
| Syscom Computers Limited | Information & communication | 1980 |
| Syscom Group Limited | Information & communication | 1990 |
| Syscom PLC | Information & communication | 1990 |
| Systems LAB Ecom Ltd | Information & communication | 2023 |
| Sytch Gardens Management Company Limited | Households | 2019 |
| T & G Hydraulics Ltd | Wholesale & retail | 2013 |
| T & W Projects Ltd | Construction | 2022 |
| T S Consults Limited | Health & social care | 2022 |
| T&A Properties (Bham) Ltd | Real estate | 2021 |
| T. Garratt Limited | Professional & scientific | 2023 |
| T. Thorogood Limited | Construction | 2004 |
| T.Gentle Ltd | Construction | 2024 |
| T.M. Property Limited | Real estate | 1948 |
| TAD 4D Ltd | Wholesale & retail | 2025 |
| Talkai Global Limited | Information & communication | 2023 |
| Tamar Engineering Consultants Limited | Professional & scientific | 2022 |
| TAN ME Babe Limited | Wholesale & retail | 2024 |
| Target Metal Recycling Limited | Water & waste | 2010 |
| Tarki (Holdings) Ltd | Financial services | 2025 |
| Tashmax Homes Ltd | Real estate | 2025 |
| Taste Buds Limited | Hospitality | 2003 |
| Taurus Landscape Design Ltd | Administrative & support | 2017 |
| Tavern (Widnes) Ltd | Hospitality | 2013 |
| Tax Taken Care of Ltd | Professional & scientific | 2026 |
| Taylor Access Scaffolding Ltd | Construction | 2024 |
| Taylor and Sons Drilling Company Ltd | Construction | 2009 |
| Taylor Group Holdings Limited | Financial services | 2023 |
| Taylor Made Wheelchairs Ltd | Professional & scientific | 2020 |
| TAZ Property Solutions Ltd | Construction | 2024 |
| TCB Utilities Ltd | Construction | 2026 |
| TDA Karate Ltd | Arts & recreation | 2025 |
| TDM GAS Ltd | Construction | 2026 |
| TDP (West Midlands) Ltd | Real estate | 2021 |
| TDR Heavy Haulage Limited | Professional & scientific | 2012 |
| Team Valkyrie Racing Ltd | Arts & recreation | 2022 |
| Tecgo Limited | Construction | 2013 |
| Tech Cloud Recruitment Limited | Administrative & support | 2026 |
| Tecnik Engineering Limited | Manufacturing | 1995 |
| Tekognition Limited | Wholesale & retail | 2001 |
| Tenhouse Design Limited | Professional & scientific | 2012 |
| Terra Firma Arboriculture Ltd | Administrative & support | 2015 |
| Terra Firma Landscapes Ltd | Administrative & support | 2017 |
| Terrace Hospitality Limited | Hospitality | 2026 |
| Tesda Ltd | Wholesale & retail | 2024 |
| Tetsell Marine Limited | Transport & logistics | 2023 |
| TH Utilities Ltd | Construction | 2023 |
| THE Agri Store Ltd | Extraterritorial | 2011 |
| THE Artisan Tasca Ltd | Hospitality | 2024 |
| THE Atypical Medical Company Ltd | Wholesale & retail | 2021 |
| THE Beauty Rooms 2 Limited | Other services | 2011 |