| Standmace Limited | | 1979 |
| Stanley-Evans PR Ltd | Professional & scientific | 2023 |
| Stanton James Limited | Administrative & support | 2025 |
| Stanton Partnership Limited | Professional & scientific | 2014 |
| Star Cott Management Ltd | Households | 2006 |
| Star Life Skills Limited | Education | 2025 |
| Starrets Limited | Wholesale & retail | 2025 |
| Startup Higher Ltd | Education | 2020 |
| Staynescroft Company Unlimited | Professional & scientific | 1976 |
| Staynescroft Holdings Limited | Professional & scientific | 1987 |
| Steve's Quality Fruit & VEG Ltd | Wholesale & retail | 2010 |
| Stewart Composites Ltd | Manufacturing | 2019 |
| Stillwood Studio Ltd | Manufacturing | 2026 |
| Stixs Labs Limited | Information & communication | 2025 |
| Stmp Associates Ltd | Information & communication | 2006 |
| Stockman Property Management Limited | Households | 2006 |
| Stone & River Legal Ltd | Professional & scientific | 2020 |
| Stonelove Chocolate Makers Ltd | Manufacturing | 2025 |
| Strategic Human Resources Limited | Administrative & support | 2019 |
| Strategies OSH Limited | Information & communication | 2020 |
| Strenue Ltd | Wholesale & retail | 2020 |
| Stride Warnes Motors Ltd | Wholesale & retail | 2025 |
| Strongman Limited | Real estate | 1986 |
| Studi&Pro Limited | Construction | 2009 |
| Studio 142 Barbers Limited | Other services | 2024 |
| Studio Kaizen Ltd | Information & communication | 2025 |
| Sturgess Flow Solutions Ltd | Professional & scientific | 2026 |
| SUB73.NET Ltd | Professional & scientific | 2011 |
| Subc Pipelines and Construction Ltd | Extraterritorial | 2021 |
| Sublime Extensions & Refurbs Limited | Construction | 2018 |
| Sublime Living Limited | Real estate | 2004 |
| Suburban Pastels Film Ltd | Information & communication | 2024 |
| Suited Stays Ltd | Hospitality | 2020 |
| Summerdene Management Company Limited | Households | 1985 |
| Summit Different Ltd | Wholesale & retail | 2012 |
| Supremity Consulting Limited | Information & communication | 2014 |
| Supremity Investment Holdings Limited | Real estate | 2015 |
| Surbiton Care Centre Ltd | Health & social care | 2005 |
| Surefire Network Ltd | Professional & scientific | 2013 |
| Surrey & Hants Limited | Real estate | 2002 |
| Surrey Advanced Roofing and Building Limited | Construction | 2024 |
| Surrey Auto Gates Limited | Professional & scientific | 2014 |
| Surrey Beer Festivals Ltd | Wholesale & retail | 2019 |
| Surrey Body Repair Services Ltd | Wholesale & retail | 2025 |
| Surrey Campaign to Protect Rural England | Other services | 2002 |
| Surrey Care Association Limited | Other services | 2005 |
| Surrey Carpet & Flooring Ltd | Construction | 2024 |
| Surrey Conservation of Paintings Limited | Professional & scientific | 2013 |
| Surrey County Agricultural Society(The) | Other services | 1984 |
| Surrey Fitness Camps Limited | Arts & recreation | 2015 |
| Surrey Hills Carpentry & Oak Framing Ltd | Manufacturing | 2015 |
| Surrey Hills Dementia Care Centre Limited | Health & social care | 2024 |
| Surrey Hills Enterprises C.I.C. | Education | 2012 |
| Surrey Hills Gardens Limited | Administrative & support | 2024 |
| Surrey Hills Kitchens and Bathrooms Ltd | Construction | 2025 |
| Surrey Hospitality Group Ltd | Hospitality | 2022 |
| Surrey Rental Services Ltd | Households | 2024 |
| Surrey Roofs Limited | Construction | 2025 |
| Surrey Software Limited | Information & communication | 2017 |
| Surrey Student Homes Limited | Real estate | 2013 |
| Surrey Veterinary Care Limited | Professional & scientific | 2022 |
| Surreyhills Home and Garden Services Ltd | Administrative & support | 2014 |
| Surreypoint Services Ltd | Other services | 2024 |
| Susan Venn Design Limited | Professional & scientific | 2013 |
| Sustainable Advantage Ltd | Administrative & support | 2010 |
| Sustainable Energy Purchasing Ltd | Administrative & support | 2012 |
| Sustainable Marine Engineering Ltd | Professional & scientific | 2023 |
| Sustainable Waste Services Limited | Water & waste | 2012 |
| Sustainaprint Limited | Manufacturing | 2011 |
| Susumi Ltd | Professional & scientific | 2019 |
| Swainesley Ltd | Hospitality | 2015 |
| Swanbourne Limited | Administrative & support | 2016 |
| Sweetapple House Ltd | Households | 2025 |
| Sweetwater Construction Ltd | Construction | 2016 |
| Sybo UK Limited | Information & communication | 2021 |
| Syno International (UK) Limited | Information & communication | 2019 |
| Syrin Studios Limited | Information & communication | 2014 |
| Sysgar Research Limited | Information & communication | 2020 |
| System Garden Limited | Extraterritorial | 2013 |
| System Two Properties Ltd | Real estate | 2022 |
| System-Two Group Limited | Administrative & support | 2006 |
| T Grayshaw Arboriculture Limited | Professional & scientific | 2021 |
| T&V Gardens Limited | Wholesale & retail | 2022 |
| T.O. Skilleter Limited | Construction | 2011 |
| Tab-G Limited | Information & communication | 2019 |
| Take a Bough Ltd | Administrative & support | 2019 |
| Talent Intelligence Partners Limited | Professional & scientific | 2011 |
| Taliesin Heights Property Management Company Limited | Households | 1970 |
| Talint Partners Limited | Information & communication | 2025 |
| Talod Resources UK Ltd | Wholesale & retail | 2023 |
| Tame IT Consulting Limited | Information & communication | 2016 |
| Tangram Partners Nominees Limited | Professional & scientific | 2013 |
| Tanners Mews Management Company Limited | Households | 2012 |
| Taormina & SON Limited | Wholesale & retail | 2018 |
| Targeted Data Ltd | Information & communication | 2022 |
| Tarquin and Brothers Ltd | Arts & recreation | 2019 |
| Taverner Medical Emergency Clinician Ltd | Health & social care | 2023 |
| Taylor Recruitment Limited | Administrative & support | 1994 |
| TCU Trading Ltd | Other services | 2011 |
| TD Consultancy Services Ltd | Professional & scientific | 2019 |