| SRC Accountancy Services Limited | Professional & scientific | 2010 |
| Srce Limited | Real estate | 2024 |
| SRL Building Services Ltd | Construction | 2018 |
| SRS Security Systems Ltd | Administrative & support | 2025 |
| Sserv Limited | Professional & scientific | 2022 |
| SSH Homes Limited | Health & social care | 2023 |
| SSO Ltd | Professional & scientific | 2020 |
| SSR Autos Limited | Wholesale & retail | 2024 |
| ST James' Court (Wollaston) Management Company Limited | Real estate | 1999 |
| ST. Marys Close (Bridgnorth) Management Limited | Households | 1982 |
| ST. Peter's Fields (Benefactor Covenants) Limited | Real estate | 2005 |
| STA Holdings Limited | Transport & logistics | 2018 |
| Stable Lodge Management Limited | Households | 2015 |
| Stac Sports Ltd | Manufacturing | 2018 |
| Staffsync Limited | Administrative & support | 2025 |
| Stag Properties Midlands LLP | | 2015 |
| Stage Audio Services Limited | Administrative & support | 2004 |
| Stagecation Limited | Arts & recreation | 2026 |
| Staht Limited | Manufacturing | 2020 |
| Stambermill Car Sales Ltd | Wholesale & retail | 2021 |
| Stambermill Motors Limited | Wholesale & retail | 2001 |
| Stanescu Trans Ltd | Construction | 2025 |
| Star 99 Investment Ltd | Real estate | 2025 |
| Star 99 Medical Ltd | Health & social care | 2013 |
| Star Accountancy Services Limited | Professional & scientific | 2002 |
| Star Accountancy Services UK Limited | Professional & scientific | 2006 |
| Starkev Ltd | Construction | 2021 |
| Starkey Electrical Limited | Construction | 2009 |
| Starlight Contractors Ltd | Administrative & support | 2023 |
| Starlight Executive Ltd | Wholesale & retail | 2024 |
| Starlight Property Services Ltd | Real estate | 2023 |
| Starwick Candles Ltd | Wholesale & retail | 2026 |
| Static Safe Environments Limited | Professional & scientific | 1978 |
| Station Drive Autocentre Ltd | Wholesale & retail | 2025 |
| Stayfinity Ltd | Real estate | 2024 |
| Steel-Robinson Estates Limited | Real estate | 1995 |
| Steelhouse Motion Pictures Ltd | Information & communication | 2022 |
| Steelwork Machines (Cradley) Limited | Professional & scientific | 1965 |
| Stellar Mind Mental Health Training CIC | Health & social care | 2024 |
| Stephen Allen Limited | Wholesale & retail | 1970 |
| Stephen Allmark Limited | Construction | 2016 |
| Steripack Surgical Ltd | Financial services | 2017 |
| Sterling Crest Properties Ltd | Real estate | 2026 |
| Sterling Road POC Limited | Real estate | 2020 |
| Stetco Limited | Professional & scientific | 2003 |
| Stoke Golding Building & Maintenance Limited | Construction | 2003 |
| Stomp Resins Ltd | Construction | 2022 |
| Stone Sealants Ltd | Construction | 2026 |
| Stonewest Construction Limited | Construction | 2001 |
| Stonewest Entertainment Limited | Arts & recreation | 2026 |
| Stonewest Properties Limited | Real estate | 1993 |
| Stonewest Rentals Limited | Households | 2013 |
| Store IT Away Limited | Extraterritorial | 2006 |
| Storey-Time Studios Limited | Professional & scientific | 2022 |
| Stour Build Limited | Administrative & support | 2010 |
| Stour Valley Surveyors Ltd | Professional & scientific | 2026 |
| Stourbridge Arena Ltd | Arts & recreation | 2013 |
| Stourbridge Automotive Limited | Wholesale & retail | 2010 |
| Stourbridge BID Ltd | Other services | 2025 |
| Stourbridge Body Work Ltd | Wholesale & retail | 2025 |
| Stourbridge Car Sales Ltd | Wholesale & retail | 2023 |
| Stourbridge Cars and Commercials Ltd | Wholesale & retail | 2017 |
| Stourbridge Community Development Trust CIC | Administrative & support | 2018 |
| Stourbridge Creative Consortium CIC | Information & communication | 2021 |
| Stourbridge Electrical & Solar Ltd | Construction | 2024 |
| Stourbridge Estates Ltd | Real estate | 2026 |
| Stourbridge Football Club Academy Ltd | Education | 2018 |
| Stourbridge Football Club Limited | Arts & recreation | 2011 |
| Stourbridge Gadgets and Vape House Ltd | Wholesale & retail | 2021 |
| Stourbridge Hearing Centre Ltd | Other services | 2022 |
| Stourbridge Kitchens & Bathrooms Limited | Construction | 2018 |
| Stourbridge Lawn Tennis and Squash Club Limited | Arts & recreation | 2013 |
| Stourbridge Lion 2029 CIC | Administrative & support | 2024 |
| Stourbridge Lofts Ltd | Construction | 2019 |
| Stourbridge Management Limited | Administrative & support | 2011 |
| Stourbridge Mini Market Ltd | Wholesale & retail | 2022 |
| Stourbridge Mortgage Services Limited | Financial services | 2022 |
| Stourbridge Motorcycle Centre Limited | Wholesale & retail | 2013 |
| Stourbridge Navigation Trust Limited | Arts & recreation | 2002 |
| Stourbridge Pantomime Company Limited(The) | Arts & recreation | 1984 |
| Stourbridge Pilates Rooms Limited | Arts & recreation | 2024 |
| Stourbridge Property Portfolio Number 4 Limited | Real estate | 2024 |
| Stourbridge Property Portfolio Number 5 Limited | Real estate | 2025 |
| Stourbridge Roofing Ltd | Construction | 2023 |
| Stourbridge Social Ltd | Administrative & support | 2022 |
| Stourbridge Standard Football Club Ltd | Education | 2022 |
| Stourbridge Theatre Company Limited | Arts & recreation | 1998 |
| Stourbridge Tooling Limited | Manufacturing | 2014 |
| Stourbridge Vehicle Sourcing & Parts Ltd | Wholesale & retail | 2025 |
| Stourburger Ltd | Hospitality | 2023 |
| Stourclad Ltd | Construction | 2025 |
| Stourport Boats Ltd | Transport & logistics | 2026 |
| Stourport Phones Ltd | Other services | 2019 |
| Stourton Building & Developments Limited | Other services | 2018 |
| Stourton Kinver Public House Limited | Financial services | 2024 |
| Stourton Public House Limited | Hospitality | 2024 |
| Strandbury Limited | Real estate | 1984 |
| Stratbox Technologies Ltd | Information & communication | 2023 |
| Strategic Funding Limited | Financial services | 2006 |
| Stray Pictures Ltd | Arts & recreation | 2024 |