| Star Landscapes Ltd | Administrative & support | 2023 |
| Star Medical Services Ltd | Health & social care | 2019 |
| Star One Burger Ltd | Hospitality | 2014 |
| Starview Consulting Ltd | Information & communication | 2017 |
| Station Cafe PVT Ltd | Hospitality | 2023 |
| Station Property Services Limited | Administrative & support | 2015 |
| Staycation at NIS Limited | Hospitality | 2024 |
| Steel & Stone Properties Limited | Real estate | 2023 |
| Steel Doors Plus Limited | Professional & scientific | 2004 |
| Steel RAT Games Ltd | Information & communication | 2023 |
| Steerforth Sales Limited | Administrative & support | 2002 |
| Steinke Consulting Ltd. | Information & communication | 2011 |
| Step Ahead Care Agency Ltd | Health & social care | 2019 |
| Step by Step Fostering Limited | Health & social care | 2021 |
| Step by Step Partnership Ltd | Health & social care | 1989 |
| Stevens Animal Recovery Limited | Agriculture & fishing | 2026 |
| Stevenson PHS Limited | Construction | 2023 |
| STN744 Ltd | Manufacturing | 2022 |
| Stones the Roofing Specialist Ltd | Construction | 2017 |
| Stoney Investigations Ltd | Administrative & support | 2026 |
| Stopleak Heating and Plumbing Limited | Other services | 2024 |
| Stormlantern Consulting Ltd | Information & communication | 2013 |
| Strand One Limited | Financial services | 2025 |
| Strategic Financial Management Ltd | Administrative & support | 2023 |
| Strategic Impact Finance Ltd | Professional & scientific | 2025 |
| Strategic Power Consultancy Ltd | Professional & scientific | 2015 |
| Strategyc Solutions UK Limited | Information & communication | 2008 |
| Strawberry Signs Limited | Manufacturing | 2003 |
| Stretch Space Ltd | Professional & scientific | 2014 |
| Strident Consultancy Ltd | Administrative & support | 2016 |
| Stridon Clinical Research Limited | Professional & scientific | 2018 |
| Strings Entertainment Ltd | Information & communication | 2019 |
| Strobe Beauty Products UK Ltd | Wholesale & retail | 2024 |
| Stromtechs Ltd | Construction | 2007 |
| Studiio 96 Ltd | Wholesale & retail | 2021 |
| Studio 704 Ltd | Information & communication | 2023 |
| Studio Jackson Ltd | Professional & scientific | 2024 |
| Sturdy Security Services Ltd | Administrative & support | 2022 |
| SUD Associates Limited | Hospitality | 2009 |
| Sugar Smoke Productions Limited | Arts & recreation | 2025 |
| Sugpari Rasoi Ltd | Hospitality | 2024 |
| Suhmina Aesthetic Clinic Ltd | Health & social care | 2026 |
| Sullivan Road SPV1 Limited | Construction | 2025 |
| Sulsil Ltd | Transport & logistics | 2019 |
| Summergrail Construction Limited | Construction | 1997 |
| Summit Staff Solutions Ltd | Professional & scientific | 2026 |
| Sumnima Jewellers Limited | Wholesale & retail | 2025 |
| Sumnima Jewellery & Collection Ltd | Wholesale & retail | 2023 |
| Sungabha Entertainment PVT Ltd | Information & communication | 2023 |
| Sungabha PVT Ltd | Information & communication | 2021 |
| Sunlite Movers Ltd | Transport & logistics | 2024 |
| Suntop Limited | Hospitality | 2017 |
| SUP Venture Limited | Wholesale & retail | 2025 |
| Super-Cleaninguk Ltd | Administrative & support | 2025 |
| Support-Tech Consultancy Limited | Information & communication | 2011 |
| Supreme Interior London Kitchens Ltd | Construction | 2019 |
| Surrey & Hampshire Property Services Ltd | Construction | 2024 |
| Surrey 4X4 Tours & Training LLP | | 2023 |
| Surrey Abodes Ltd | Real estate | 2020 |
| Surrey Abodes Renovations Ltd | Construction | 2025 |
| Surrey and Hampshire Boilers Limited | Construction | 2018 |
| Surrey and Hampshire Builds Ltd | Real estate | 2025 |
| Surrey and Hampshire Canal Cruises Limited | Transport & logistics | 1979 |
| Surrey Audiology LLP | | 2012 |
| Surrey Bespoke Joinery Ltd | Construction | 2008 |
| Surrey Hampshire Properties Ltd | Real estate | 2024 |
| Surrey Living Spaces Ltd | Construction | 2020 |
| Surrey Surfacing Contractors Limited | Construction | 1975 |
| Surreyrail Ltd | Construction | 2026 |
| Susan Merrick Ltd | Professional & scientific | 2009 |
| Sushi and Cocktail Limited | Hospitality | 2024 |
| Sushil & Pooja Investment Ltd | Extraterritorial | 2024 |
| Suzaro Limited | Administrative & support | 2020 |
| SVS Medaesthetics Ltd | Other services | 2023 |
| Swagger Waggers Ltd | Professional & scientific | 2021 |
| Swain & Jones Limited | Wholesale & retail | 2016 |
| Sweet Lodge Ltd | Real estate | 2024 |
| Sweetx Global Ltd | Manufacturing | 2025 |
| Swift Parts Delivery Ltd | Transport & logistics | 2025 |
| Swift Risk Solutions Ltd | Other services | 2024 |
| Swiftest Motors Ltd | Wholesale & retail | 2010 |
| Swifty Consulting Ltd | Professional & scientific | 2025 |
| Swimming With Making Waves Limited | Health & social care | 2022 |
| Swmc Tyres Ltd | Wholesale & retail | 2017 |
| Sylvia's Patisserie Limited | Manufacturing | 2024 |
| Syncline Monitoring Consultants Ltd | Professional & scientific | 2026 |
| Synengin Limited | Information & communication | 2018 |
| Sysz Limited | Hospitality | 2024 |
| T&T Devices Limited | Professional & scientific | 2014 |
| T1 Plumbing and Heating Limited | Construction | 2021 |
| Tacos EL Camion Ltd | Hospitality | 2025 |
| Tailoring 4 Less Ltd | Wholesale & retail | 2017 |
| Taja Drinks Ltd | Wholesale & retail | 2024 |
| Take 2 Music Ltd | Information & communication | 2012 |
| Take the Lead Services Ltd | Other services | 2014 |
| Talman Associates Limited | Professional & scientific | 2012 |
| Tambee Property Ltd | Real estate | 2024 |
| Tancia (Holdings) Limited | Financial services | 2010 |
| Tancia Limited | Administrative & support | 1994 |
| Tancia Property LLP | | 2011 |