| Sterling Gate Management Ltd | Extraterritorial | 2026 |
| Sterling Goods & Services Supply Ltd | Administrative & support | 2026 |
| Sterling Grove Ltd | Extraterritorial | 2026 |
| Sterling Oak Finance Ltd | Extraterritorial | 2026 |
| Sterling Property Management Services Limited | Real estate | 2015 |
| Sterling Yachting Ltd | Extraterritorial | 2026 |
| Stettons Limited | Wholesale & retail | 2012 |
| Steve Dale Supplies Limited | Wholesale & retail | 2015 |
| Steve Dolby Photography Ltd | Professional & scientific | 2022 |
| Steve Halsall (Electrical Contractors) Limited | Construction | 2001 |
| Steve Hobson Building & Joinery Ltd | Construction | 2013 |
| Steve Kane Painting & Decorating Limited | Construction | 1995 |
| Steve Major Limited | Professional & scientific | 2012 |
| Steve MEE Associates Limited | Professional & scientific | 2014 |
| Steve Pinter Lifting Ltd | Construction | 2020 |
| Steve Pringle Music Ltd. | Information & communication | 2016 |
| Steve Spedition Limited | Transport & logistics | 2019 |
| Steve's Travel Limited | Transport & logistics | 2012 |
| Stevens Aggregates Ltd | Transport & logistics | 2018 |
| Stevens Electrical (Doncaster) Limited | Construction | 2008 |
| Stevens Homes & Estates Limited | Real estate | 2024 |
| Stevens Property Training Ltd | Extraterritorial | 2023 |
| Stevenson Holdings Ltd | Information & communication | 2015 |
| Steveq Training & Consultancy Ltd | Education | 2020 |
| Stewad Holdings Limited | Financial services | 2024 |
| Stewart and Co. Solicitors Limited | Professional & scientific | 2010 |
| STG Properties Ltd | Real estate | 2015 |
| Sticker Media Limited | Information & communication | 2019 |
| Stiel Ltd | Real estate | 2014 |
| Still & Sage Ltd | Manufacturing | 2026 |
| Still and Flow CIC | Health & social care | 2026 |
| Stillamp Ltd | Transport & logistics | 2024 |
| Stirling Fields (Northstowe) Management Company Limited | Households | 2023 |
| Stitchcraft by AMY Ltd | Wholesale & retail | 2026 |
| STK Online Limited | Wholesale & retail | 2017 |
| STL 2024 Limited | Financial services | 2024 |
| STN Support Services Ltd | Information & communication | 2023 |
| Stockbox Media Limited | Professional & scientific | 2020 |
| Stocklink (UK) Limited | Construction | 2002 |
| Stokesync Ltd | Information & communication | 2025 |
| Stollery Plant & Commercial Sales Limited | Wholesale & retail | 2024 |
| Stollery Rigging Services Ltd | Information & communication | 2026 |
| Stone Aviation Consultancy Limited | Professional & scientific | 2017 |
| Stone Castle Enterprise Limited | Professional & scientific | 2021 |
| Stone Castle Enterprise-Bs Limited | Construction | 2024 |
| Stone Hill Property Holdings Limited | Real estate | 2020 |
| Stone House Developers Limited | Real estate | 2020 |
| Stone Lodge Equine Ltd | Agriculture & fishing | 2025 |
| Stone Lodge Pets Hotel Limited | Other services | 2015 |
| Stone Projects Limited | Extraterritorial | 1998 |
| Stone Revival Ltd | Administrative & support | 2019 |
| Stoneacre Limited | Professional & scientific | 2010 |
| Stonebank Carpentry & Joinery Ltd | Manufacturing | 2021 |
| Stoneblue Projects Limited | Professional & scientific | 2010 |
| Stonedge Property Investments Ltd | Construction | 2026 |
| Stonegate Retail Group Ltd | Extraterritorial | 2026 |
| Stonehomeapartments Ltd | Real estate | 2018 |
| Stonelux Ltd | Manufacturing | 2003 |
| Stonepark Consultancy Limited | Administrative & support | 1997 |
| Stonewell Properties Limited | Administrative & support | 2013 |
| Stoneycairn Limited | Other services | 2017 |
| Stop Fire Solution Ltd | Construction | 2020 |
| Stopps Tattoo Ltd | Wholesale & retail | 2020 |
| Stored Local Ltd | Real estate | 2018 |
| Storeys Attractions Limited | Manufacturing | 2023 |
| Stork Pram & COT Centre Limited | Wholesale & retail | 2003 |
| Storkcomfort UK Limited | Wholesale & retail | 2023 |
| Storm Drywall Ltd | Construction | 2016 |
| Storm Homes Ltd | Real estate | 2025 |
| Storm X Solutions Limited | Wholesale & retail | 2024 |
| Straight Home Limited | Real estate | 2020 |
| Strand Multiserve Ltd | Administrative & support | 2018 |
| Strand Recruitment Ltd | Administrative & support | 2012 |
| Strata Developments Barnsley West Limited | Administrative & support | 2017 |
| Strata Homes Group Limited | Financial services | 2021 |
| Strata Homes Holdings Limited | Professional & scientific | 2014 |
| Strata Homes Limited | Construction | 1983 |
| Strata Homes Midlands Limited | Construction | 2001 |
| Strata Homes Yorkshire Limited | Construction | 1981 |
| Strata Land & Developments Limited | Construction | 1982 |
| Strata Plus Limited | Construction | 1989 |
| Strata Protection Ltd | Extraterritorial | 2015 |
| Strata Regeneration 2009 Limited | Construction | 1993 |
| Strata Sterling Barnsley West Limited | Administrative & support | 2017 |
| Stratacore Digital Ltd | Extraterritorial | 2026 |
| Strategic Rail Solutions Limited | Professional & scientific | 2016 |
| Strategic Supply Chain Group Ltd | Wholesale & retail | 2023 |
| Strathen Solutions Ltd | Extraterritorial | 2026 |
| Stratifyx Global Ltd | Extraterritorial | 2026 |
| Stratoflow Limited | Information & communication | 2026 |
| Stratos Advisory Ltd | Professional & scientific | 2019 |
| Stratton Knight Limited | Real estate | 2017 |
| Stratus Partners Limited | Information & communication | 2024 |
| Strawberry Fields Care Limited | Health & social care | 2019 |
| Strawberry Fields Childrens Homes Ltd | Public administration | 2019 |
| Strawpine Limited | Agriculture & fishing | 1998 |
| Streama 3 Limited | Construction | 2026 |
| Street Beat College | Arts & recreation | 2013 |
| Streetside Events Limited | Arts & recreation | 2025 |
| Streetview Surveyors Limited | Professional & scientific | 2025 |