| SSF Powder Coatings Limited | Construction | 2015 |
| SSF Shutters & Shopfronts Limited | Manufacturing | 2015 |
| SSF Ventures Limited | Manufacturing | 2008 |
| ST James Financial Services Limited | Wholesale & retail | 2004 |
| ST Martin's Multi Academy Trust | Education | 2015 |
| Stacey-Ann Bennett Limited | Health & social care | 2025 |
| Stag Metals and Car Breakers Limited | Water & waste | 2016 |
| Stag Metals Recycling Limited | Construction | 2017 |
| Stans Catering Limited | Hospitality | 2018 |
| Star Catering U.K. Ltd | Hospitality | 2026 |
| Star Concrete Floors Limited | Construction | 2018 |
| Star Demolition Limited | Construction | 2024 |
| Star Guarding Solutions (SGS) Ltd | Administrative & support | 2026 |
| Star Logistics Solutions Ltd | Transport & logistics | 2020 |
| Star Villas Ltd | Real estate | 2026 |
| Stars Education & Training Ltd | Education | 2022 |
| Stella Avis Ltd | Real estate | 2025 |
| Steve Whippy Ltd | Hospitality | 2014 |
| STL Roofing & Cladding Limited | Construction | 2024 |
| Strategic HR Services Ltd | Administrative & support | 2025 |
| Stretcharama Ltd | Construction | 2026 |
| Stronghold Home Improvements Ltd | Construction | 2025 |
| Structural Accessories Limited | Manufacturing | 1992 |
| Structures Build Design Limited | Construction | 2023 |
| Structures by Detail Limited | Construction | 2020 |
| STS Construction Services Ltd | Construction | 2024 |
| Stuart Taylor Funeral Directors Limited | Other services | 2023 |
| Studio Doodles Ltd | Arts & recreation | 2021 |
| Stylish Furniture Ltd | Wholesale & retail | 2026 |
| STZ Freight Ltd | Transport & logistics | 2026 |
| Subishan Ltd | Wholesale & retail | 2026 |
| SUE Ngwenya Ltd | Professional & scientific | 2015 |
| Sugar Hype Ltd | Hospitality | 2018 |
| Sukhmanis Suits Ltd | Wholesale & retail | 2026 |
| Summerhill Takeway Ltd | Hospitality | 2025 |
| Sundar Publishing Ltd | Information & communication | 2016 |
| Sunday Finance School LLP | | 2024 |
| Superbsweets Limited | Wholesale & retail | 1987 |
| Supporting Hub CIC | Education | 2024 |
| Sure Driven Limited | Transport & logistics | 2011 |
| Suthi Co Ltd | Real estate | 2025 |
| SW Development Group Limited | Information & communication | 2020 |
| Swarn Roadlines Ltd | Transport & logistics | 2019 |
| Swift Fencing Limited | Wholesale & retail | 2023 |
| Swift Office Services Limited | Administrative & support | 2002 |
| Swift Secure Self Storage Containers Ltd | Real estate | 2025 |
| Swift Steel Products Ltd | Manufacturing | 2023 |
| Swift Trailers Limited | Manufacturing | 2023 |
| Swinnertons Brickwork Ltd | Construction | 2025 |
| Synergy Accident Solutions Ltd | Wholesale & retail | 2023 |
| T.Bell Vehicular and Electrical Limited | Manufacturing | 2025 |
| T.C.G Construction Ltd | Construction | 2022 |
| T4TUNE Ltd | Other services | 2025 |
| TA Driveways Ltd | Construction | 2023 |
| Tadivana Ltd | Health & social care | 2016 |
| Taise Ltd | Information & communication | 2026 |
| TAJ Services Limited | Transport & logistics | 2019 |
| Talk About Ltd | Information & communication | 2018 |
| Talk Crazy Limited | Wholesale & retail | 2000 |
| Tamber Transport Ltd | Transport & logistics | 2019 |
| Tanar Limited | Wholesale & retail | 2013 |
| Tandlpropertysales Limited | Real estate | 2026 |
| Target Construction & Developments Limited | Construction | 2015 |
| Tarrell Campbell Ltd | Construction | 2024 |
| TAS Transport Limited | Transport & logistics | 2022 |
| Taurus National Relocation Services Ltd | Hospitality | 2019 |
| Tax Advisors & Accountants Ltd. | Professional & scientific | 2010 |
| Tax Advisors & Accounting Services Ltd | Professional & scientific | 2016 |
| Tax Advisors & Accounting Solutions Ltd | Professional & scientific | 2025 |
| TB (IT) Limited | Professional & scientific | 2025 |
| TBA Delivery Ltd | Construction | 2021 |
| Team Drive-R Ltd | Wholesale & retail | 2021 |
| Teamred Building Contractors Ltd | Construction | 2026 |
| Tecg Ltd | Education | 2021 |
| Tech Talks Network Ltd | Information & communication | 2015 |
| Technical Vehicle Security Limited | Wholesale & retail | 2025 |
| Technically Autos Ltd | Administrative & support | 2017 |
| TEG & J Ltd | Transport & logistics | 2021 |
| Tegh Logistics Ltd | Transport & logistics | 2018 |
| Teghtransport Ltd | Transport & logistics | 2025 |
| Teps Building Ltd | Construction | 2019 |
| Tgmt Limited | Education | 2022 |
| TGS Foods Limited | Hospitality | 2019 |
| THE ALE House (Bilston) Limited | Hospitality | 2025 |
| THE Back Office Checker Ltd | Administrative & support | 2026 |
| THE Beauty Hub Wolverhampton Ltd | Other services | 2025 |
| THE Cleaning Cupboard Limited | Administrative & support | 2022 |
| THE CM Events Group Ltd | Administrative & support | 2025 |
| THE Crafted Crew Ltd | Construction | 2023 |
| THE Cycle Cover Company Limited | Manufacturing | 2020 |
| THE DEN & NOW Limited | Extraterritorial | 2014 |
| THE Design People (U.K.) Limited | Professional & scientific | 1996 |
| THE Foxy Lady (Bilston) Limited | Arts & recreation | 2025 |
| THE Global Imams and Scholars Network Limited | Other services | 2023 |
| THE Global Imams Limited | Other services | 2023 |
| THE Grapes PUB Ltd | Hospitality | 2025 |
| THE Grill MAN Ltd | Hospitality | 2021 |
| THE Haberdashery Cart Ltd | Wholesale & retail | 2012 |
| THE Headboard Factory Limited | Manufacturing | 2019 |
| THE Iron Eagle Ltd | Transport & logistics | 2019 |