| Strictly NO Magnolia Ltd | Manufacturing | 2018 |
| Strictly UK Travels Ltd | Administrative & support | 2023 |
| Strictlypharma Ltd | Health & social care | 2024 |
| Strife Solutions Ltd | Information & communication | 2021 |
| Strimech Engineering Limited | Manufacturing | 1976 |
| Stripey Iguana Limited | Financial services | 2025 |
| Stript Cosmetics Ltd | Wholesale & retail | 2019 |
| Strobe AV Ltd | Administrative & support | 2020 |
| Strong Panda Ltd | Wholesale & retail | 2019 |
| Strong Pharma Ltd | Wholesale & retail | 2024 |
| Stronghold Locksmiths Ltd | Administrative & support | 2016 |
| Structural Construction UK Limited | Construction | 2025 |
| Strut Retail (UK) Limited | Wholesale & retail | 2024 |
| STS Investments Limited | Real estate | 2022 |
| Stuart Ellis Limited | Construction | 2005 |
| Stuart James Photography Limited | Professional & scientific | 2013 |
| Stubbscad Limited | Professional & scientific | 2018 |
| Studio 44 Digital Limited | Information & communication | 2025 |
| Studio Bodil Ltd | Professional & scientific | 2023 |
| Studio of Antitheses Limited | Professional & scientific | 2025 |
| STUDIO3 Aldridge Limited | Other services | 2022 |
| Studizo Global Ltd | Wholesale & retail | 2024 |
| Study Buddy ME Ltd | Information & communication | 2024 |
| Study Right Global Concept Limited | Education | 2021 |
| Style Drift Ltd | Wholesale & retail | 2025 |
| Style Satrangi Ltd | Wholesale & retail | 2018 |
| Styled by LLB Ltd | Information & communication | 2025 |
| Styled Spectrum Ltd | Wholesale & retail | 2026 |
| Styles Statics Ltd | Hospitality | 2025 |
| Subco Limited | Professional & scientific | 1995 |
| Subzposh Limited | Real estate | 2022 |
| Suciu Ltd | Construction | 2025 |
| Suco Erection Services Limited | Construction | 2010 |
| Sucre Transport Ltd | Transport & logistics | 2018 |
| Sudanese Community in Walsall Ltd | Other services | 2024 |
| Suddaben Ltd | Wholesale & retail | 2026 |
| Sudeley Investments Limited | Real estate | 2009 |
| Sudera Jewellers Ltd | Manufacturing | 2015 |
| Suedes Store Limited | Wholesale & retail | 2024 |
| Suffolk Serenity Living Limited | Health & social care | 2024 |
| Suffshalal Ltd | Hospitality | 2025 |
| Sufy Group Limited | Hospitality | 2025 |
| Sugar Rush Dessert Event Ltd | Manufacturing | 2026 |
| Sugar Rush Limited | Hospitality | 2023 |
| Sugar Suite Ltd | Wholesale & retail | 2020 |
| Sugar Vault Ltd | Wholesale & retail | 2021 |
| Sulac Group Limited | Administrative & support | 2024 |
| Sultan Cottage Ltd | Hospitality | 2025 |
| Sultan of Scents Ltd | Wholesale & retail | 2025 |
| Sumeet Ltd | Transport & logistics | 2025 |
| Summer Diamonds UK Ltd | Wholesale & retail | 2025 |
| Summer Song Limited | Professional & scientific | 2014 |
| Summercourt Travel Limited | Wholesale & retail | 2000 |
| Summit Electrical Installations Limited | Construction | 2005 |
| Summit Property Services Limited | Construction | 2003 |
| Summithq Ltd | Information & communication | 2026 |
| Sumner Mirrors & Glass Ltd | Manufacturing | 2008 |
| Sumol Limited | Transport & logistics | 2022 |
| Sun & Shine Trading Services Limited | Construction | 2021 |
| Sun Glow Studio Ltd | Other services | 2026 |
| Sun N Glow Limited | Other services | 2016 |
| Sundridge Court RTM Company Limited | Households | 2023 |
| Sunglow Tanning Salon Ltd | Wholesale & retail | 2025 |
| Sunnah Welfare Trust Ltd | Professional & scientific | 2018 |
| Sunny Dwellings Ltd | Real estate | 2025 |
| Sunny Food 566 Limited | Hospitality | 2023 |
| Sunny Haulage Ltd | Transport & logistics | 2026 |
| Sunny Optics Ltd | Health & social care | 2019 |
| Sunnys Fish Bar Limited | Hospitality | 2024 |
| Sunoak Homecare Ltd | Health & social care | 2026 |
| Sunrise Medics Ltd | Health & social care | 2021 |
| Sunrise Nation Holdings Ltd | Financial services | 2024 |
| Sunrise Nation Properties Ltd | Real estate | 2024 |
| Sunrise UK Property Limited | Real estate | 2015 |
| Sunservices Limited | Construction | 2013 |
| Sunshade Blinds Ltd | Manufacturing | 2025 |
| Sunshine Carehomes Limited | Health & social care | 2025 |
| Sunshines and Smiles Childcare Ltd | Education | 2024 |
| Sunsquare Limited | Construction | 2023 |
| Sunstar Holidays Limited | Transport & logistics | 2000 |
| Supadope Ltd | Manufacturing | 2021 |
| Super Maids of Four Oaks Ltd | Administrative & support | 2019 |
| Super Supli Ltd | Manufacturing | 2018 |
| Super Touch Mobile Ltd | Wholesale & retail | 2024 |
| Superareasuk Ltd | Information & communication | 2024 |
| Superb Glow Building Contracting & Decoration Ltd | Construction | 2024 |
| Superb Hwpo Limited | Health & social care | 2025 |
| Supercar 2 Limited | Wholesale & retail | 2002 |
| Superite Tools Limited | Manufacturing | 1958 |
| Supply Planet Limited | Wholesale & retail | 2025 |
| Supplymeprint.Com Limited | Manufacturing | 2011 |
| SUPPORT4U Children Services Ltd | Health & social care | 2026 |
| SUPPORT4U Ltd | Health & social care | 2018 |
| SUPPORT4U@HOME Ltd | Administrative & support | 2022 |
| Supporting Adult Independent Living Ltd | Health & social care | 2002 |
| Supporting Homeless | Hospitality | 2014 |
| Suprasannbg Tooth Services Limited | Health & social care | 2014 |
| Supreme Autohaus Ltd | Wholesale & retail | 2022 |
| Supreme Glass Ltd | Wholesale & retail | 2023 |
| Supreme Insulation Ltd | Construction | 2024 |