| Solstice Capital Ltd | Financial services | 2021 |
| Solutions Guru Ltd | Information & communication | 2015 |
| Solvly Ltd | Wholesale & retail | 2025 |
| Soncer Limited | Administrative & support | 2009 |
| Sonelli Ltd | Information & communication | 2011 |
| Songphonic Music Limited | Information & communication | 2003 |
| Songphonic Records Limited | Information & communication | 2003 |
| Sonnyoctober Limited | Administrative & support | 2011 |
| Sortd Ltd | Construction | 2026 |
| SOS HSE Services Limited | Construction | 2013 |
| Soshida International Limited | Wholesale & retail | 2021 |
| Sotones Music | Information & communication | 2011 |
| Sound & Ymmij Ltd | Construction | 2016 |
| Soundcuts Ltd | Information & communication | 2012 |
| South East Community Wood Fuel Limited | Manufacturing | 2012 |
| Southern Car Security Limited | Administrative & support | 2004 |
| Spanner Works Ltd | Information & communication | 2017 |
| Spark Welding Services (Commercial) Ltd | Manufacturing | 2017 |
| Specialist Health Group Ltd | Education | 2024 |
| Spencer James & Family Ltd | Wholesale & retail | 2015 |
| SPK Developers Limited | Real estate | 2020 |
| SPL Windows and Doors Limited | Construction | 2025 |
| Split Peas Post Production Ltd | Information & communication | 2026 |
| Spudgewick Limited | Administrative & support | 2016 |
| SPV Storage Ltd | Transport & logistics | 2025 |
| Ssat Homes Limited | Real estate | 2019 |
| SSG Automotive Ltd | Wholesale & retail | 2018 |
| Sstyling Ltd | Wholesale & retail | 2019 |
| ST George's Lodge NO 370 Ltd | Real estate | 2020 |
| Stage Carpentry Ltd | Construction | 2016 |
| Stakeholder Maps Limited | Information & communication | 2025 |
| Stanbrook Consulting Ltd. | Administrative & support | 2012 |
| Stanhope-Seta Holdings Limited | Financial services | 2021 |
| Stanhope-Seta Limited | Manufacturing | 1940 |
| Stapleton Scenic Finishes Ltd | Construction | 2015 |
| Star Gleam Education Berkshire Ltd | Information & communication | 2026 |
| Star Gleam Education Ltd | Information & communication | 2018 |
| Stashmate Ltd | Transport & logistics | 2025 |
| Station Road Preschool Ltd | Health & social care | 2025 |
| Steel Fit Outs Ltd | Manufacturing | 2026 |
| Steelstat Limited | Information & communication | 2020 |
| Stephen John Livey Limited | Financial services | 2025 |
| Stephen Webster Plastics Limited | Extraterritorial | 1979 |
| Steve Unwin Services Limited | Administrative & support | 2003 |
| Stevens Dodgems Limited | Arts & recreation | 2006 |
| Stoic Soul Ltd | Wholesale & retail | 2023 |
| Stonechester Investments Limited | Administrative & support | 2010 |
| Stonechester Limited | Real estate | 1996 |
| Stonechester Real Estate Limited | Real estate | 2008 |
| Stonehill Autocentre Ltd | Other services | 2016 |
| Stonehill Cars and Commercials Ltd | Wholesale & retail | 2023 |
| Stonehill Crescent Residents Association Limited | Other services | 2012 |
| Stopcox Plumbing Services Ltd | Professional & scientific | 2005 |
| Storage Future Limited | Construction | 2010 |
| Storage Geeks Ltd | Real estate | 2012 |
| Storeasy Limited | Transport & logistics | 2023 |
| Strategic Drug Development Ltd | Professional & scientific | 2026 |
| Strategic Horizons Limited | Information & communication | 2003 |
| Streamile Ltd | Information & communication | 2012 |
| Strides Court Residents Association Limited | Real estate | 1998 |
| Studio Elite Services Ltd | Energy | 2022 |
| Studio Michaelides Ltd | Information & communication | 2025 |
| Stunning Handrails Ltd | Manufacturing | 2010 |
| Stylish Glazing Limited | Manufacturing | 2026 |
| Subha Associates Ltd | Professional & scientific | 2013 |
| Sugartown Productions Limited | Arts & recreation | 2004 |
| SUM Development Ltd | Construction | 2023 |
| Sumal Investments Limited | Real estate | 2016 |
| Sumberdaya Ltd | Professional & scientific | 2017 |
| Summitflow Ltd | Professional & scientific | 2026 |
| Sun Dance Films Limited | Information & communication | 1978 |
| Sundara Fire Solutions Ltd | Construction | 2025 |
| Super Pizza & Grill Limited | Hospitality | 2025 |
| Supreme Roof Care Limited | Construction | 2025 |
| Surfmatch Limited | Real estate | 1992 |
| Surrey Auto Works Limited | Manufacturing | 2012 |
| Surrey Customs Classics Ltd | Wholesale & retail | 2020 |
| Surrey Customs Limited | Wholesale & retail | 2018 |
| Surrey Developments Group Ltd | Construction | 2026 |
| Surrey Financial Planning Ltd | Extraterritorial | 2023 |
| Surrey Flow Screed Limited | Construction | 2015 |
| Surrey Granite Limited | Wholesale & retail | 2019 |
| Surrey House of Cars Ltd | Wholesale & retail | 2024 |
| Surrey Lifestyle Ltd | Wholesale & retail | 2022 |
| Surrey Nursery Schools Limited | Education | 2011 |
| Surrey Pet Adventures Limited | Agriculture & fishing | 2023 |
| Surrey Roofing & Windows Ltd | Manufacturing | 2023 |
| Surrey Trauma Response Ltd | Administrative & support | 2026 |
| Surrey Wood Products Limited | Manufacturing | 2019 |
| Suzanne LEE Event Management Limited | Administrative & support | 2017 |
| Svan Construction Ltd | Construction | 2023 |
| SVS Homes Ltd | Real estate | 2022 |
| Swans Limited | Real estate | 2000 |
| Swimo Ltd | Wholesale & retail | 2017 |
| SWR Solutions Ltd | Manufacturing | 2025 |
| Sylgen Animal Health Limited | Wholesale & retail | 2021 |
| Sylgenbio Limited | Extraterritorial | 2025 |
| Synergene Solutions Ltd | Administrative & support | 2026 |
| System Soft Technologies Limited | Information & communication | 2021 |
| T D Heywood Holdings Ltd | Other services | 2026 |