| Stockappy Limited | Professional & scientific | 2018 |
| Stone and Sage Wellness Limited | Health & social care | 2025 |
| Stone Impact Group Limited | Real estate | 2024 |
| Stone Leisure Properties Limited | Real estate | 1965 |
| Stone Oven Investments Limited | Real estate | 2022 |
| Stone Right Ltd | Construction | 2010 |
| Stone's Cafe Limited | Hospitality | 2012 |
| Stoneleigh Building Contractors Limited | Construction | 2009 |
| Stones (Alton) Limited | Hospitality | 2018 |
| Storey Real Estate Investments Ltd | Real estate | 2014 |
| Stormstrong Limited | Real estate | 2025 |
| Stoves & Fireplaces Ltd | Wholesale & retail | 2019 |
| Stradata Limited | Professional & scientific | 2025 |
| Strategic Direction Consultancy Services Limited | Information & communication | 2015 |
| Stratos Assets Group Ltd | Financial services | 2026 |
| Stratton Holdings Limited | Information & communication | 2024 |
| Straz Limited | Arts & recreation | 2021 |
| Strictly Eagle Solutions Limited | Professional & scientific | 2005 |
| Strip Club Chicken Limited | Wholesale & retail | 2024 |
| Strong Building Ltd | Construction | 2023 |
| Structural & Civil Design Limited | Construction | 2008 |
| Structure Consult Limited | Construction | 2013 |
| Stuart Consultants Limited | Construction | 2020 |
| Stuck in Film Limited | Professional & scientific | 2023 |
| Stylish Suit Supply Ltd | Wholesale & retail | 2024 |
| Succour Management Ltd | Real estate | 2016 |
| Suden Limited | Hospitality | 2020 |
| Sufi Academy Limited | Education | 2022 |
| SUI Dhaga Ltd | Wholesale & retail | 2026 |
| Sultan Domestic Services Limited | Administrative & support | 2010 |
| Sultan Kebab (Westerham) Limited | Hospitality | 2008 |
| Sundeis Limited | Hospitality | 2013 |
| Sunflower Fmcg Solutions Ltd | Professional & scientific | 2021 |
| Sunny Surrey Limited | Hospitality | 2018 |
| Sunset Towers Limited | Hospitality | 2025 |
| Sunshine Bistro Limited | Hospitality | 2024 |
| Super Yacht Media & Marketing Ltd | Information & communication | 2011 |
| Superkonnection Limited | Arts & recreation | 2026 |
| Superlink Care Services Ltd | Health & social care | 2026 |
| Superlink Services Ltd | Transport & logistics | 2026 |
| Supermarket Plus Ltd | Wholesale & retail | 2012 |
| Sure Shoemaker Construction Limited | Real estate | 2016 |
| Surrey Ceramics (Sanderstead) Limited | Construction | 2008 |
| Surrey Heights Developments Ltd | Construction | 2024 |
| Surrey Orthopaedics Limited | Health & social care | 2010 |
| Surrey Property Solutions Limited | Construction | 2023 |
| Surrey Smash Ltd | Arts & recreation | 2024 |
| Surrey Star Catering Limited | Hospitality | 2018 |
| Surrey Van Centre Limited | Real estate | 1995 |
| Sustainability Advisory Services Ltd | Professional & scientific | 2020 |
| Sustensis Limited | Information & communication | 2025 |
| Sutton Kebab Limited | Hospitality | 2016 |
| Suzzy Beauty Salon Ltd | Other services | 2025 |
| Svaha Agency Ltd | Professional & scientific | 2015 |
| SVR Builders Ltd | Construction | 2018 |
| SVS Builders Ltd | Construction | 2019 |
| SVS Invest Ltd | Real estate | 2023 |
| SW Access Services Ltd | Construction | 2018 |
| SW4 Assets Limited | Real estate | 2018 |
| SW4 Estates Ltd | Real estate | 2019 |
| SW4 Rodenhurst RD Ltd | Real estate | 2020 |
| Swallow Nutraceuticals Ltd | Wholesale & retail | 2023 |
| Swavi 22 Ltd | Real estate | 2022 |
| SWB Wealth Management Limited | Professional & scientific | 2026 |
| Sweetnote Music Services Limited | Information & communication | 2020 |
| Swimwell School Ltd | Education | 2025 |
| Swimwell Swim School Ltd | Education | 2023 |
| Switchnroutes Ltd | Information & communication | 2025 |
| Syarpa Limited | Information & communication | 2020 |
| Sylvain Laurent Ltd | Professional & scientific | 2026 |
| Symori Ltd | Wholesale & retail | 2024 |
| Sync Enterprise Ltd | Wholesale & retail | 2025 |
| Synergy Entertainments Limited | Hospitality | 2019 |
| Synergyflow Limited | Information & communication | 2023 |
| Synopsis Limited | Professional & scientific | 2003 |
| Sysays Ltd | Professional & scientific | 2023 |
| System 25 Limited | Information & communication | 2007 |
| T & E Catering Limited | Hospitality | 2018 |
| T and L Medical Limited | Health & social care | 2014 |
| T M E Enterprise Limited | Information & communication | 2000 |
| T-Wells Gals CIC | Health & social care | 2026 |
| T.G.White(Croydon)Limited | Real estate | 1937 |
| T.W.P.I. Ltd | Construction | 2012 |
| T2 Rewind Ltd | Education | 2025 |
| T2B Handyman Services Ltd | Wholesale & retail | 2026 |
| T4SHO Healthcare Solution Ltd | Health & social care | 2022 |
| TA Vape HUT Limited | Wholesale & retail | 2017 |
| Taaza Mart Ltd | Hospitality | 2026 |
| Tachbrook Capital Limited | Professional & scientific | 2020 |
| Tache Grooming Ltd | Other services | 2022 |
| Tactical Airsoft UK Limited | Wholesale & retail | 2008 |
| Tactical Warfare Airsoft Ltd | Wholesale & retail | 2009 |
| Tailor-Made Consultancy Ltd | Health & social care | 2026 |
| Talent Spike Ltd | Administrative & support | 2014 |
| Talentis Ltd | Administrative & support | 2025 |
| Talifun Ltd | Information & communication | 2009 |
| Talis Air Ltd | Transport & logistics | 2018 |
| Talk Psychology Ltd | Education | 2023 |
| Tamarind Press Ltd | Information & communication | 2017 |
| Tamarind Productions Limited | Information & communication | 2026 |