| Sutton Barbers Ltd | Other services | 2020 |
| Sutton Bowling Club Limited | Arts & recreation | 1928 |
| Sutton Builders Ltd | Construction | 2021 |
| Sutton Carers Centre Charity Company | Health & social care | 1997 |
| Sutton Coffee Zone Ltd | Hospitality | 2023 |
| Sutton Common Management Limited | Households | 1982 |
| Sutton Concrete Pump Repairs Ltd | Manufacturing | 2019 |
| Sutton Corp Ltd | Administrative & support | 2025 |
| Sutton Cricket Club Ltd. | Arts & recreation | 2012 |
| Sutton Decentralised Energy Network Limited | Administrative & support | 2016 |
| Sutton DRY Cleaners Ltd | Other services | 2020 |
| Sutton Esquires Coffee Limited | Hospitality | 2025 |
| Sutton Express Ltd | Wholesale & retail | 2014 |
| Sutton Friends CIC | Administrative & support | 2025 |
| Sutton Grammar School Trust | Education | 2011 |
| Sutton Grange Properties Ltd | Real estate | 2022 |
| Sutton Halal Meat & Groceries Ltd | Hospitality | 2022 |
| Sutton High Street Investments Ltd | Hospitality | 2012 |
| Sutton Housing Partnership Limited | Households | 2005 |
| Sutton Kitchens Limited | Construction | 2002 |
| Sutton Laser Limited | Other services | 2016 |
| Sutton Living Design and Build Limited | Construction | 2019 |
| Sutton Living Limited | Construction | 2015 |
| Sutton Local Ltd | Wholesale & retail | 2021 |
| Sutton Lofts Ltd | Construction | 2022 |
| Sutton Medical Solutions Limited | Real estate | 2011 |
| Sutton Model Engineering Club | Other services | 1945 |
| Sutton Motor Hub Ltd | Wholesale & retail | 2024 |
| Sutton Nails Ltd | Other services | 2022 |
| Sutton Noodles Limited | Hospitality | 2025 |
| Sutton Nursing Homes Limited | Health & social care | 2009 |
| Sutton Orthodontics Holdings Limited | Financial services | 2023 |
| Sutton Orthodontics Limited | Health & social care | 2018 |
| Sutton Phones and Vapes Ltd | Wholesale & retail | 2025 |
| Sutton Private Hire Limited | Transport & logistics | 2004 |
| Sutton Quality Fish Ltd | Wholesale & retail | 2017 |
| Sutton Sabina Ltd | Wholesale & retail | 2023 |
| Sutton Shopability CIC | Transport & logistics | 2020 |
| Sutton Supplies Limited | Transport & logistics | 2017 |
| Sutton Tails Ltd | Other services | 2025 |
| Sutton Takeaway Ltd | Hospitality | 2023 |
| Sutton Tandoori Ltd | Hospitality | 2025 |
| Sutton Tennis Coaching LLP | | 2022 |
| Sutton Town Tyres Ltd. | Manufacturing | 2024 |
| Sutton United Football Club Limited | Arts & recreation | 1953 |
| Sutton(Surrey)Sports Company,Limited | Real estate | 1901 |
| Suttondallas Limited | Hospitality | 2025 |
| Suttonmall UK Ltd | Wholesale & retail | 2019 |
| Suzzylink Limited | Health & social care | 2011 |
| SV Mansions Ltd | Real estate | 2024 |
| Sv&Lv Ltd | Construction | 2010 |
| Svasthik Ltd | Real estate | 2022 |
| SVD Retail & PO Limited | Wholesale & retail | 2024 |
| SVD Retail Ltd | Wholesale & retail | 2026 |
| Svelte Group Limited | Construction | 2025 |
| Svillupo Ltd | Information & communication | 2018 |
| SVS Itech Limited | Information & communication | 2022 |
| Svss Capital Ltd | Real estate | 2022 |
| SW Accountancy Services Limited | Professional & scientific | 2025 |
| SW Decorating Ltd | Construction | 2015 |
| SW Heating and Plumbing Crew Ltd | Construction | 2021 |
| SW London Landscapes Limited | Administrative & support | 2021 |
| SW6 Asset Management Limited | Administrative & support | 2016 |
| Swaay Child and Adolescent Services Limited | Health & social care | 2011 |
| Swaay Holdings Limited | Financial services | 2017 |
| Swades Consultancy Services Limited | Information & communication | 2014 |
| Swan and BEE Limited | Administrative & support | 2011 |
| Swan Lake Decor Ltd | Professional & scientific | 2014 |
| Swarnav Ltd | Professional & scientific | 2019 |
| Swatch to Suit Ltd | Wholesale & retail | 2020 |
| Sweet and Sour (Sutton) Ltd | Hospitality | 2021 |
| Sweko Ltd | Health & social care | 2013 |
| Swift Link Transport Ltd | Transport & logistics | 2015 |
| SWIM4YOU Ltd | Education | 2019 |
| Swintegrity Limited | Professional & scientific | 2025 |
| Swiss Time Services Limited | Other services | 1996 |
| SWL Training Hub CIC | Education | 2022 |
| SWM Structures Ltd | Professional & scientific | 2013 |
| Swpb Group Ltd | Transport & logistics | 2021 |
| SYI Property Ltd | Real estate | 2023 |
| Sylion Limited | Information & communication | 2025 |
| Symaruci Limited | Financial services | 2022 |
| Symban Power Systems Limited | Information & communication | 1996 |
| Sync-It Technologies Limited | Information & communication | 2015 |
| Syncsyst Ltd | Professional & scientific | 2019 |
| Synergie Investors Limited | Real estate | 2025 |
| Synergy Group Developments Ltd | Construction | 2018 |
| Synergy MEP Ltd | Construction | 2018 |
| Synergy Team Limited | Professional & scientific | 2024 |
| Synergy Trading Group Limited | Financial services | 2018 |
| Synica Limited | Health & social care | 2012 |
| Syntrax Ltd | Wholesale & retail | 2026 |
| Sysdoc Limited | Information & communication | 1999 |
| Systa Limited | Information & communication | 2021 |
| SZS Building Solutions Ltd | Construction | 2008 |
| T & D Finishing Limited | Administrative & support | 2009 |
| T & L Tyres Ltd | Wholesale & retail | 2014 |
| T J Green Consulting Limited | Professional & scientific | 2025 |
| T Sajid Ltd | Transport & logistics | 2023 |
| T&J Ottewill Roofing & Construction Ltd | Construction | 2026 |