| Sterling Guard Financial Planning Limited | Financial services | 2022 |
| Sterling Horizon US Ltd | Wholesale & retail | 2026 |
| Sterling Imports Ltd | Wholesale & retail | 2019 |
| Sterling Keystone Ltd | Construction | 2026 |
| Sterling Motor Properties Limited | Real estate | 2002 |
| Sterling POS Solutions Limited | Manufacturing | 2005 |
| Sterling QC Ltd | Real estate | 2025 |
| Sterling Supplies Limited | Agriculture & fishing | 1987 |
| Sterling Vanguard Ltd | Wholesale & retail | 2026 |
| Sterling Wilson Limited | Construction | 2013 |
| Sterlingaston Limited | Administrative & support | 2015 |
| Sterlingport Global Ltd | Wholesale & retail | 2026 |
| Sterlyn Limited | Professional & scientific | 2023 |
| Sterringtons Limited | Real estate | 2003 |
| Steve Bright Logistics Ltd | Transport & logistics | 2018 |
| Steve Burt Woodworking Limited | Manufacturing | 2000 |
| Steve Chadwick Residential Lettings Limited | Real estate | 2009 |
| Steve Copping Consultancy Limited | Professional & scientific | 2015 |
| Steve Flowers Model Supplies Limited | Wholesale & retail | 2003 |
| Steve Goodman Property Improvements Ltd | Administrative & support | 2017 |
| Steve Green Builders Limited | Construction | 2014 |
| Steve Hamson Limited | Real estate | 2011 |
| Steve Hopkins Limited | Professional & scientific | 2019 |
| Steve Varley Air Conditioning Nationwide Ltd | Construction | 2019 |
| Steve Watts Limited | Extraterritorial | 2010 |
| Steve Winfield & SON Limited | Construction | 2009 |
| Steve's GAS Services Ltd | Other services | 2021 |
| Steven Onions Carpets & Flooring Ltd | Wholesale & retail | 2021 |
| Steven Richards Limited | Professional & scientific | 2008 |
| Steven Spiers Limited | Transport & logistics | 2017 |
| Stevens L Limited | Wholesale & retail | 2016 |
| Stevenson & Whitmore Holdings Ltd | Financial services | 2025 |
| Stevenson Domestic Builds Limited | Construction | 2025 |
| Stevenson-White Services Ltd | Energy | 2026 |
| Stewart C Collier Limited | Professional & scientific | 2011 |
| Stewart Morris Partnership Limited | Professional & scientific | 1996 |
| STF Carpentry Limited | Construction | 2016 |
| STG Ventures Ltd | Households | 2026 |
| Sthandwa Investments Ltd | Transport & logistics | 2019 |
| Sticky Pallet Wrap Ltd | Other services | 2023 |
| Stigal Home Renovations Limited | Construction | 2018 |
| Stile UK Limited | Wholesale & retail | 2007 |
| Still H20 Limited | Health & social care | 2025 |
| Still Pond Well-Being Services CIC | Education | 2024 |
| Stillwater Consult Ltd | Hospitality | 2024 |
| Stillwing Studio Ltd | Professional & scientific | 2025 |
| Stilwell Estates Ltd | Agriculture & fishing | 2023 |
| Stinford Dylan Ltd | Wholesale & retail | 2025 |
| Stirland Limited | Construction | 2023 |
| Stirling Care Limited | Health & social care | 2013 |
| Stirling Productions Limited | Information & communication | 2025 |
| Stirling Warrington Limited | Administrative & support | 2017 |
| Stitch by Hitesh Ltd | Wholesale & retail | 2022 |
| Stitch by Stitch (Leicester) Ltd | Manufacturing | 2019 |
| Stitch Waves Ltd | Information & communication | 2026 |
| Stka Limited | Wholesale & retail | 2026 |
| STL MOT & Service Centre Ltd | Wholesale & retail | 2017 |
| STM Meridian Trading Limited | Wholesale & retail | 2024 |
| STM Admin Ltd | Health & social care | 2026 |
| STM Care Services Ltd | Health & social care | 2022 |
| STM Sharp Energy Ltd | Construction | 2024 |
| STM Stores Limited | Wholesale & retail | 2026 |
| STM27 Group Ltd | Health & social care | 2025 |
| STM27 Trading Ltd | Health & social care | 2026 |
| Stmaurr Limited | Health & social care | 2023 |
| Stock Supplies Ltd | Wholesale & retail | 2019 |
| Stock Treding Co Limited | Wholesale & retail | 2025 |
| Stock Wholesalers Ltd | Wholesale & retail | 2025 |
| Stockcounters International Limited | Professional & scientific | 2003 |
| Stockhouse Trading Limited | Wholesale & retail | 2023 |
| Stockinette Ltd | Wholesale & retail | 2023 |
| Stocks Taylor Benson Limited | Arts & recreation | 1988 |
| Stocks Taylor Benson Trustees Limited | Professional & scientific | 2021 |
| Stokesley Logistics Ltd | Transport & logistics | 2014 |
| Stokifiy Ltd | Construction | 2024 |
| Stoll GB Limited | Wholesale & retail | 2008 |
| Stoncrop Investments Ltd | Real estate | 2026 |
| Stone & Beam Creations Ltd | Construction | 2025 |
| Stone & Flora Ltd | Administrative & support | 2024 |
| Stone 13 Limited | Professional & scientific | 2023 |
| Stone Indian Restaurant Limited | Hospitality | 2017 |
| Stone Media Productions Ltd | Information & communication | 2022 |
| Stone MFD Limited | Construction | 2019 |
| Stone Siding Events Ltd | Hospitality | 2025 |
| Stonebridge (2) Limited | Other services | 2024 |
| Stonebridge Capital Group Limited | Real estate | 2022 |
| Stonebridge Estate Management Limited | Households | 2022 |
| Stonebridge Integrity Ltd | Transport & logistics | 2015 |
| Stonechat Realty Ltd | Real estate | 2020 |
| Stonecraft and Reclamation Ltd | Construction | 2013 |
| Stonecraft Driveways Ltd | Construction | 2026 |
| Stonecroft Care Group Ltd | Health & social care | 2026 |
| Stonecroft Eco Ltd | Construction | 2025 |
| Stonegate Trade Ltd | Wholesale & retail | 2025 |
| Stonehill Professional Services Ltd | Professional & scientific | 2022 |
| Stoneleigh International Ltd | Real estate | 2025 |
| Stoneleigh RTM Company Limited | Households | 2024 |
| Stonell Property Limited | Real estate | 2017 |
| Stoneminster Ltd | Extraterritorial | 1999 |
| Stones Artisan Limited | Administrative & support | 2021 |