| Style Hair Salon by Y&H Limited | Other services | 2023 |
| Sublime Surgical Limited | Manufacturing | 2020 |
| Success Land Investments Limited | Real estate | 2022 |
| Suda Medical Limited | Health & social care | 2003 |
| Sugarplumuk Ltd | Wholesale & retail | 2020 |
| Sumer Restaurant Limited | Hospitality | 2026 |
| Summer Restaurant One Ltd | Hospitality | 2026 |
| Sun Exports Limited | Wholesale & retail | 2018 |
| Sunlight Takeaway Ltd | Hospitality | 2021 |
| Sunnest Care Group Ltd | Health & social care | 2023 |
| Sunningdale Court (Kingston) Limited | Administrative & support | 1986 |
| Sunny & SAM Limited | Other services | 2019 |
| Sunny Art Centre Ltd. | Arts & recreation | 2012 |
| Sunny Art Prize Ltd | Education | 2022 |
| Sunny Tour Ltd | Administrative & support | 2022 |
| Sunset Rehabilitation Healthcare Centre and Trading Associates Ltd | Health & social care | 2022 |
| Sunshine Healthcare Services Limited | Health & social care | 2016 |
| Sunway Mineral Co., Limited | Wholesale & retail | 2021 |
| Super Brother Trading Limited | Wholesale & retail | 2022 |
| Supnetclan Ltd | Health & social care | 2022 |
| Surbiton Medics Limited | Health & social care | 2018 |
| Surbiton Sushi Ltd | Hospitality | 2015 |
| Surepath School of Motoring Ltd | Education | 2025 |
| Suresafe Certifications Ltd | Manufacturing | 2025 |
| Surf Social Ltd | Information & communication | 2026 |
| Surgeview Ltd | Professional & scientific | 2025 |
| Surrey Alpine Windows Ltd | Construction | 2021 |
| Surrey Drives & Patios Groundforce Ltd | Professional & scientific | 2018 |
| Surrey GAS Team Ltd | Construction | 2026 |
| Surrey Heat Pump Solutions Ltd | Construction | 2012 |
| Surrey Loft Company Limited | Construction | 2002 |
| Surrey Music Events Ltd | Information & communication | 2024 |
| Surrey Professionals Ltd | Hospitality | 2003 |
| Surrey Properties Services Ltd | Construction | 2022 |
| Survibin' Life Ltd | Hospitality | 2025 |
| Sushi RYU Ltd | Hospitality | 2019 |
| Sushiya Ltd | Hospitality | 2025 |
| Sussex Close Residents Management Limited | Households | 2020 |
| SV Audiology Limited | Health & social care | 2020 |
| SV Reid Media Limited | Information & communication | 2013 |
| SW London Heating & Electrics Ltd. | Construction | 2019 |
| Swaad QSR Ventures Limited | Hospitality | 2026 |
| Swaad Ventures Ltd | Hospitality | 2026 |
| Swaidan Construction Ltd | Real estate | 2022 |
| Swales Pharma Consulting Ltd | Professional & scientific | 2019 |
| Swansea Property Development Ltd | Construction | 2021 |
| Sweet London (Export) Ltd | Wholesale & retail | 2018 |
| Swiftfleet Inspections Ltd | Wholesale & retail | 2025 |
| Swiftserve Wholesalers Ltd | Wholesale & retail | 2025 |
| SY Real Estate 2025 Ltd | Real estate | 2025 |
| SYJ Properties Ltd | Real estate | 2022 |
| Sylvanias Property Developers Ltd | Construction | 2021 |
| Symian Global Ltd | Information & communication | 2020 |
| Synav Limited | Transport & logistics | 2022 |
| Synergy NLP Ltd | Extraterritorial | 2016 |
| Syon Management Limited | Households | 1983 |
| Systems Prompt Limited | Information & communication | 1980 |
| T & a Partners Ltd | Real estate | 2020 |
| T K Products Ltd | Wholesale & retail | 2025 |
| T&J Real Estates Limited | Real estate | 2025 |
| T&S 2017 Limited | Transport & logistics | 2017 |
| T&T Retail Limited | Wholesale & retail | 2026 |
| T&V Energy Ltd | Wholesale & retail | 2025 |
| T&V Properties Ltd | Real estate | 2018 |
| T.K. Winners Ltd | Other services | 2013 |
| Tabsology Ltd | Wholesale & retail | 2024 |
| TAD Planning & Design Ltd | Wholesale & retail | 2011 |
| TAE Entertainment Limited | Education | 2014 |
| Taewha UK Ltd | Other services | 2019 |
| Tahani Gifts LLP | | 2023 |
| Tajaratlee Ltd | Wholesale & retail | 2025 |
| Take One Music UK Limited | Wholesale & retail | 2024 |
| Talent Seeds Ltd | Administrative & support | 2014 |
| Talesman Limited | Information & communication | 2019 |
| Talex Beauty Studio Ltd | Education | 2025 |
| TAM Leisure Limited | Extraterritorial | 2009 |
| Tamil Sangam Sports Festival Ltd | Arts & recreation | 2025 |
| Tamil Sports Festival CIC | Arts & recreation | 2025 |
| Tandanya Ltd | Professional & scientific | 2023 |
| Tandem Consultancy Ltd | Professional & scientific | 2012 |
| Tapu Construction Ltd | Construction | 2018 |
| Tasty Divine Ltd | Hospitality | 2020 |
| Tasty Dwelling Limited | Hospitality | 2019 |
| Tatiana Investments Ltd | Real estate | 2017 |
| Taurus Property Limited | Financial services | 2016 |
| Tawiah Healthcare Professionals Ltd | Health & social care | 2024 |
| Taylor Mayfair Club Ltd | Wholesale & retail | 2026 |
| TCB Fintech Limited | Information & communication | 2025 |
| TCJ (NO 1) Limited | Real estate | 2017 |
| TCJ (Residential) Limited | Real estate | 2017 |
| TCP & Heating Ltd | Construction | 2018 |
| Teach-Pro Ltd | Information & communication | 2022 |
| Teado Ltd | Wholesale & retail | 2024 |
| Team Training Surrey Limited | Arts & recreation | 2016 |
| TEAMEVER101 Ltd | Manufacturing | 2025 |
| Tecelares Limited | Real estate | 2024 |
| Techma Limited | Information & communication | 2025 |
| Techno Repair-Uk Ltd | Manufacturing | 2016 |
| Techpaq Limited | Information & communication | 2023 |
| Tectyle Limited | Information & communication | 2014 |