| RTP Settlement Solutions Ltd | Information & communication | 2025 |
| Ruach Shotokan Karate GB Ltd | Education | 2026 |
| Rubycon Midlands Ltd | Construction | 2019 |
| Sabadam Enterprises Ltd | Real estate | 2011 |
| SD Electrical & Security Ltd | Construction | 2025 |
| SE Foodservice Limited | Manufacturing | 2015 |
| Second City Lift Truck Limited | Administrative & support | 2009 |
| Silverdust Limited | Real estate | 2017 |
| SJC Consulting (West Midlands) Ltd | Construction | 2014 |
| Sorch Ltd | Health & social care | 2020 |
| Spire Space Limited | Real estate | 2019 |
| Stantree Precision Limited | Manufacturing | 1971 |
| Stick & Wicket Club (Aldridge) Limited | Arts & recreation | 2016 |
| Stopem Limited | Manufacturing | 2016 |
| Stopems Retreat Limited | Real estate | 2022 |
| STX1 Limited | Wholesale & retail | 2018 |
| Subfresh (UK) Limited | Administrative & support | 2008 |
| Summit Build Solutions Limited | Construction | 2011 |
| Surplus Stock Direct Ltd | Extraterritorial | 2021 |
| Suzanne Brenda Horton Ltd | Real estate | 2001 |
| Swain & Ince Limited | | 1958 |
| Sweet Causes Limited | Wholesale & retail | 2002 |
| T.G.S. Limited | Wholesale & retail | 1995 |
| Tarcus Limited | Real estate | 2020 |
| Technology Finance (UK) Limited | Information & communication | 1991 |
| THE Peter Hill Group Limited | Wholesale & retail | 1997 |
| THE Safeguarding Community Limited | Professional & scientific | 2011 |
| THE Vanity Case Beauty Studio Ltd | Other services | 2017 |
| Theos Food Co. Limited | Manufacturing | 2002 |
| Throstle Investments Ltd | Professional & scientific | 2020 |
| Tiger Lounge (UK) Limited | Hospitality | 2011 |
| TLPR1 Ltd | Professional & scientific | 2022 |
| Toners & Cartridges Limited | Wholesale & retail | 2020 |
| Town and Country GAS (Drayton) Ltd | Construction | 2024 |
| Uppal Recruitment Ltd | Professional & scientific | 2021 |
| V DATA1 Ltd | Information & communication | 2022 |
| Valen Fittings Limited | Manufacturing | 1976 |
| Valeting World Limited | Other services | 2020 |
| Valleys Coffee Shop Ltd | Hospitality | 2022 |
| Wall Island Food Co Ltd | Hospitality | 2021 |
| Walsall Childcare Ltd | Health & social care | 2023 |
| Walsall Conservation Volunteers CIC | Agriculture & fishing | 2025 |
| Wedge-Wood Construction & Joinery Co Limited | Construction | 1982 |
| Wedge-Wood Construction & Joinery UK & International Limited | Construction | 1996 |
| Welshweld Limited | Professional & scientific | 1947 |
| Westmore Architectural Limited | Manufacturing | 2014 |
| Westryhouse UK Limited | Financial services | 2026 |
| Witcomb & Jones Ltd | Real estate | 2024 |
| World Cargo Consultants Limited | Professional & scientific | 1936 |
| Wright-Road Services Ltd | Administrative & support | 2021 |
| WW Investments | Professional & scientific | 2021 |
| ZK Hair Extensions Ltd | Wholesale & retail | 2020 |