| Solvia Ventures Ltd | Real estate | 2026 |
| Somers Drake Limited | Professional & scientific | 2025 |
| Somerset Food Production Services Ltd | Manufacturing | 2025 |
| Sonartec Alarms Ltd | Wholesale & retail | 2018 |
| Sotonak Ltd | Construction | 2015 |
| South East Horse Transport & Services Ltd | Transport & logistics | 2015 |
| Southlands Freeholders Residents Association Limited | Households | 1992 |
| Southpoint Electrical Limited | Wholesale & retail | 2014 |
| SP Groundworks Limited | Construction | 1997 |
| SP Properties South East Ltd | Real estate | 2021 |
| Spanchart Limited | Real estate | 1970 |
| Spark Force Electrical Limited | Construction | 2004 |
| Sparrows Herne Limited | Health & social care | 2022 |
| Specialist CF Limited | Professional & scientific | 2026 |
| Speculo Glass Interiors Ltd | Construction | 2020 |
| Sphinx Solutions Limited | Information & communication | 2025 |
| Spirit Away Travel Ltd | Administrative & support | 2010 |
| SPM Catering Services Ltd | Hospitality | 2025 |
| Spoton Build Ltd | Construction | 2014 |
| Springs Eternal Ltd | Financial services | 2014 |
| Spruce-Central Ltd | Other services | 2016 |
| SRK Property Southern Ltd | Real estate | 2024 |
| SSR PVT Ltd | Wholesale & retail | 2022 |
| ST Denys Holdings Ltd | Real estate | 2018 |
| ST Leonards Court RTM Company Limited | Households | 2021 |
| Staffhurst Associates Limited | Professional & scientific | 2012 |
| Stafford Commissioning Limited | Professional & scientific | 2014 |
| Staircases Grün Limited | Construction | 2018 |
| Stanage Holdings Limited | Financial services | 2024 |
| Stanwell Green Limited | Real estate | 2001 |
| Star Oxted Ltd | Other services | 2026 |
| Station Cars Oxted Limited | Transport & logistics | 2015 |
| Steady State Limited | Financial services | 1997 |
| Stewart and Mckay Plastering Limited | Construction | 2022 |
| Stewart Medical Consultancy Limited | Health & social care | 2024 |
| Stitchvex Ltd | Wholesale & retail | 2026 |
| Stlr Consulting Limited | Information & communication | 2020 |
| Stone Associates (Advisory) Limited | Professional & scientific | 2025 |
| Storm Leather Limited | Manufacturing | 2008 |
| Strategic Minds Ltd | Other services | 2023 |
| Stream Media Group Limited | Information & communication | 2017 |
| Streathurst Property Co. Limited | Construction | 1964 |
| Strike Legal Services Limited | Professional & scientific | 2024 |
| String Applied Technologies Limited | Information & communication | 2014 |
| Stroke Solutions Ltd | Health & social care | 2012 |
| Stuart Investments Limited | Administrative & support | 2008 |
| Studio DU Plessis LLP | | 2021 |
| SUE Frost Research Ltd | Professional & scientific | 2019 |
| Sunmill Limited | Real estate | 2021 |
| Sunrise & Re-Energise Fitness & Lifestyle Ltd | Arts & recreation | 2014 |
| Superior Exterior Ltd | Administrative & support | 2018 |
| Superior Exterior Roofline Ltd | Construction | 2023 |
| Surbiton Glass Limited | Construction | 1965 |
| Sure Thing Scaffolding Limited | Construction | 2026 |
| Surrey Auto Services Limited | Wholesale & retail | 2009 |
| Surrey Hills Home Help Services Limited | Health & social care | 2013 |
| Surrey Home Security Ltd | Construction | 2018 |
| SV Wings Ltd | Administrative & support | 2023 |
| Swatton International Ltd | Professional & scientific | 2025 |
| Sweet Truck Haul Limited | Extraterritorial | 2013 |
| Switch on Media Limited | Information & communication | 2017 |
| Sycamore Court Limited | Health & social care | 1992 |
| Syck London Ltd | Wholesale & retail | 2019 |
| Syck Talent Limited | Wholesale & retail | 2016 |
| Symbolwork Ltd | Information & communication | 2020 |
| Synergy Home & Garden Solutions Ltd | Administrative & support | 2025 |
| Systecon (U.K.) Limited | Information & communication | 2000 |
| Systems Risk Services Limited | Professional & scientific | 2012 |
| T & E Ferris Limited | Wholesale & retail | 2009 |
| T and F Property Limited | Real estate | 2017 |
| T G Pritchard Ltd | Construction | 2019 |
| T MAW Company Limited | Arts & recreation | 2020 |
| T R S (London) Limited | Construction | 2019 |
| T-Minus One Consulting Ltd | Information & communication | 2026 |
| Talent Strategy Consulting Ltd | Administrative & support | 2025 |
| Talytic Ltd | Information & communication | 2025 |
| Tamesmoor Limited | Real estate | 1955 |
| Tandridge Court Management Co. (Oxted) Limited | Households | 1976 |
| Tandridge Garden Rooms Ltd | Construction | 2021 |
| Tandridge Window Centre Limited | Construction | 2009 |
| Tappers Quay Management Company Limited | Real estate | 2000 |
| TAY Property Development Services Ltd | Real estate | 2021 |
| Tayeb Cars Ltd | Transport & logistics | 2026 |
| Taylor Design & Build Ltd | Construction | 2018 |
| TB Education Ltd | Education | 2014 |
| Tcckc Investments Ltd | Real estate | 2024 |
| Tclh Holdings Limited | Financial services | 2026 |
| Teachsport Lewisham Ltd | Education | 2019 |
| Teachsport Services Ltd | Education | 2015 |
| Tegron Limited | Construction | 2014 |
| Tel's Communications Limited | Construction | 2007 |
| Temple House Management Company Ltd. | Households | 2016 |
| Tender Pro AI Limited | Information & communication | 2024 |
| Tender Trap Ltd | Wholesale & retail | 2018 |
| Tepede Graphics Limited | Manufacturing | 1999 |
| Termo Langai UK Ltd | Wholesale & retail | 2026 |
| Tg-Prestige Interiors Ltd | Construction | 2019 |
| TGP Property Ltd | Real estate | 2025 |
| Thames Decorating Services Limited | Construction | 1970 |
| Thames Ditton Ceramics Limited | Health & social care | 2018 |