| Ssbains Ltd | Transport & logistics | 2026 |
| SSC Binning Ltd | Real estate | 2023 |
| SSC Properties Limited | Real estate | 1998 |
| SSC Software Limited | Information & communication | 2026 |
| Sscwy Ltd | Manufacturing | 2025 |
| SSD Transport Ltd | Transport & logistics | 2018 |
| SSE Contracting Ltd | Construction | 2026 |
| SSG Assessments Ltd | Health & social care | 2016 |
| SSG Construction Ltd | Construction | 2025 |
| SSG Group Holdings Ltd | Financial services | 2017 |
| SSG Inns Limited | Hospitality | 2023 |
| SSG Property Holdings Ltd | Construction | 2020 |
| SSJ Design Ltd | Construction | 2025 |
| SSJ Services Ltd | Other services | 2018 |
| SSK Carpet and Flooring Ltd | Construction | 2025 |
| SSK Midlands Transport Limited | Transport & logistics | 2021 |
| SSL Vision Limited | Real estate | 2026 |
| SSM Construction Ltd | Construction | 2016 |
| SSM Techno Solutions Limited | Information & communication | 2014 |
| Sspharma Ltd | Professional & scientific | 2016 |
| SSS Real Estates Limited | Real estate | 2018 |
| SST Property Services Limited | Extraterritorial | 2014 |
| SST Transport Ltd | Transport & logistics | 2025 |
| Sswift Bargain Ltd | Wholesale & retail | 2025 |
| SSZ Cars Ltd | Wholesale & retail | 2025 |
| ST Alban Real Estate Limited | Real estate | 2025 |
| ST Asaph Investments Limited | Real estate | 2014 |
| ST Bartholomew's CE Multi Academy Trust | Education | 2016 |
| ST Chads Court Management Company Limited | Real estate | 1996 |
| ST Columba's Church Day Centre | Health & social care | 1995 |
| ST David's Business Centre Limited | Real estate | 1997 |
| ST Dhillon Logistics Ltd | Transport & logistics | 2025 |
| ST Dominic's Enterprises Limited | Education | 2016 |
| ST Driveways Ltd | Administrative & support | 2025 |
| ST Francis and ST Clare Catholic Multi Academy Company | Education | 2013 |
| ST George's House Charity | Health & social care | 1996 |
| ST IT Solutions Limited | Information & communication | 2012 |
| ST Jude BHP Limited | Real estate | 2024 |
| ST Paving Midlands Ltd | Construction | 2025 |
| ST Temps Ltd | Real estate | 2016 |
| ST Vitali Ltd | Transport & logistics | 2023 |
| ST. Augustine's Management Company Limited | Households | 2001 |
| ST. Charles Healthcare Limited | Health & social care | 2025 |
| ST. Joseph's the Island Catholic Club Limited | Hospitality | 1996 |
| Staciaprince.Com LLP | | 2022 |
| Stacks East Midlands Ltd | Real estate | 2016 |
| Stadium Seating Services Limited | Manufacturing | 2025 |
| Staff Direct 4 U Limited | Administrative & support | 2010 |
| Staff Direct 4 U Training Limited | Education | 2017 |
| Stafford Investments Ltd | Construction | 2025 |
| Stafford Serviced Apartments Limited | Hospitality | 2023 |
| Stafford Support Property Limited | Hospitality | 2021 |
| Staffordshire Campers Ltd | Mining & quarrying | 2013 |
| Staffordshire Design Company Limited | Information & communication | 2016 |
| Staffordshire Exterior Maintenance Ltd | Construction | 2026 |
| Staffordshire Rugby Union Society of Referees Limited | Arts & recreation | 2017 |
| Staffs Roofing Ltd | Construction | 2026 |
| Stag Capital Finance Ltd | Financial services | 2017 |
| Stage Vibe Limited | Arts & recreation | 2014 |
| Stainless and Aluminium Services Limited | Wholesale & retail | 2014 |
| Stainless Investments Ltd | Real estate | 2024 |
| Stair and Closet Limited | Construction | 2023 |
| Stallard Associates Limited | Professional & scientific | 2004 |
| Stallard Wealth Management Ltd | Financial services | 2017 |
| Stallians Traders Ltd | Wholesale & retail | 2026 |
| Stallion Way Limited | Financial services | 2021 |
| Stallions Technologies Ltd | Information & communication | 2016 |
| Stalshan Freight Transport by Road Ltd | Transport & logistics | 2020 |
| Stalwart Odrit Achievers Ltd | Administrative & support | 2020 |
| Stamate Estate Services Limited | Real estate | 2019 |
| Stamped Tattoo Studios Ltd | Arts & recreation | 2018 |
| Stan Spedition Ltd | Transport & logistics | 2016 |
| Stanbros Global Enterprising Limited | Wholesale & retail | 2022 |
| Stand Electrical Limited | Construction | 2010 |
| Standing OUT Ltd | Other services | 2017 |
| Standing OUT Tech Ltd | Information & communication | 2021 |
| Stanhope (West Midlands) Limited | Real estate | 2014 |
| Stank Limited | Transport & logistics | 2017 |
| Stanley GAS and Electrical Limited | Other services | 2014 |
| Stanley's Unisex Hair Salon Ltd | Other services | 2020 |
| Stanrosent Limited | Health & social care | 2020 |
| Stansform Limited | Wholesale & retail | 2017 |
| Stanthom Limited | Manufacturing | 2019 |
| Star Anonymous PVT Ltd | Information & communication | 2026 |
| Star Jasmine 107 Limited | Hospitality | 2022 |
| Star Lines Tech Deals Ltd | Wholesale & retail | 2025 |
| Star Metals (Casting) Limited | Manufacturing | 1997 |
| Star Polishing and Plating (Wolverhampton) Limited | Manufacturing | 2007 |
| Star Polishing and Plating Company Limited | Financial services | 1997 |
| Star Properties (Midlands) Limited | Real estate | 2017 |
| Star Properties Investments Ltd | Real estate | 2025 |
| Star QA Ltd. | Information & communication | 2017 |
| Star Scaffolding Group Limited | Construction | 2026 |
| Star Scaffolding Holdings Limited | Construction | 2008 |
| Star Scaffolding Limited | Construction | 2003 |
| Star SEO Ltd | Information & communication | 2026 |
| Star Vend Limited | Wholesale & retail | 2024 |
| Star Writers Ltd | Information & communication | 2025 |
| Starbiosource Ltd | Professional & scientific | 2024 |
| Starchem Limited | Wholesale & retail | 1971 |