| Rock Accountants Limited | Professional & scientific | 2019 |
| Rock on Digital Limited | Information & communication | 2009 |
| Rockertron Toys Limited | Manufacturing | 2008 |
| Rockford Property Group Ltd | Real estate | 2025 |
| Rodwell Barns Management Company Limited | Households | 2009 |
| Rokkall Ltd | Wholesale & retail | 2025 |
| Roofgaurd Ltd | Construction | 2026 |
| Room With a View Productions Ltd | Information & communication | 2018 |
| Root & Brew Ltd | Manufacturing | 2025 |
| Rose London Trade & Industry Limited | Manufacturing | 2010 |
| Rosecare PVT Ltd | Health & social care | 2018 |
| Rosefield Care NO.2 Limited | Health & social care | 2022 |
| Rosefield Care NO.3 Limited | Health & social care | 2022 |
| Rosefield Care NO.4 Limited | Health & social care | 2022 |
| Rosefield Care NO.5 Limited | Health & social care | 2022 |
| Rosefield Care NO.6 Limited | Health & social care | 2022 |
| Rosekey Limited | Construction | 2000 |
| Rosekey Mansions Limited | Real estate | 2020 |
| Ross Edward Consultancy Limited | Professional & scientific | 2014 |
| Rowtown Auto Repairs Ltd | Wholesale & retail | 2024 |
| Royale Recruitment Ltd | Administrative & support | 2024 |
| Rozina Checkland Consulting Ltd | Administrative & support | 2014 |
| RS Grocery Ltd | Wholesale & retail | 2021 |
| RTC Associates Limited | Financial services | 2015 |
| Runnymede and Spelthorne CAB | Other services | 2008 |
| Runnymede Gate Residents Association Limited | Households | 2016 |
| Rushmon Gardens Residents Company Limited | Households | 1990 |
| Rutek General Building Ltd | Construction | 2021 |
| Ruthbond Limited | Manufacturing | 1994 |
| RVG Consulting Limited | Professional & scientific | 2008 |
| RW & JD Blakeney Developments Limited | Real estate | 2019 |
| Ryan Bishop Consulting Ltd | Information & communication | 2026 |
| Ryan Scaffolding Limited | Construction | 2019 |
| Rydal Care Limited | Health & social care | 2022 |
| S Downing Properties Ltd | Construction | 2019 |
| S Mingoia Property Ltd | Real estate | 2022 |
| S&G ASH Renovations Limited | Construction | 2026 |
| S&P Softplay Ltd | Arts & recreation | 2024 |
| S.Bakisheva Letting Ltd | Real estate | 2020 |
| S.H Films Ltd | Construction | 2025 |
| SAC Haulage Ltd | Construction | 2001 |
| Safegrit Limited | Construction | 2015 |
| Safeguard Asbestos Services Limited | Water & waste | 2025 |
| Salbo Scientific Ltd | Professional & scientific | 2016 |
| Sales Recruitment Specialists Limited | Administrative & support | 1980 |
| Salim Glazing Ltd | Manufacturing | 2022 |
| Samo Solutions Ltd | Information & communication | 2015 |
| SAN Bhawan Limited | Construction | 2019 |
| SAN Marco (Twyford) Limited | Hospitality | 2015 |
| SAN Marcos Addlestone Ltd | Hospitality | 2022 |
| Sanderson Mechanical Solutions Ltd | Professional & scientific | 2018 |
| Sans Peur 1972 Limited | Extraterritorial | 2014 |
| Saracen Studios Limited | Information & communication | 1998 |
| Saru Delivery Limited | Other services | 2018 |
| Sasha-Lily's Pantry Limited | Manufacturing | 2024 |
| SAV Property Management Ltd | Real estate | 2023 |
| Saver Telecoms Ltd | Information & communication | 2009 |
| SAX Bandits Limited | Education | 2023 |
| SBK Motorcycles Ltd | Wholesale & retail | 2022 |
| Scan Tech Surveys Limited | Professional & scientific | 2015 |
| Scandica Homes Limited | Construction | 2015 |
| Scaramuch Limited | Wholesale & retail | 2011 |
| Scenturion Property Development Limited | Real estate | 2017 |
| Scenturion Property Holdings Limited | Real estate | 2017 |
| Schindler Ltd. | Manufacturing | 1960 |
| Schinvest Limited | Manufacturing | 1984 |
| Scott’S Maintains Ltd | Construction | 2025 |
| SD Servers Store Ltd | Wholesale & retail | 2026 |
| Sea House International Culture Communication Co Limited | Wholesale & retail | 2024 |
| Seafood 21 Limited | Wholesale & retail | 2022 |
| Seagull Analysis Limited | Administrative & support | 2023 |
| SEC Skip Hire Ltd | Water & waste | 2022 |
| Second Heronsdene Management Company Limited | Households | 1985 |
| Second Woking Grange Management Company Limited | Households | 1988 |
| Secure Nest UK Limited | Health & social care | 2020 |
| Security Simulations Limited | Information & communication | 2024 |
| Sema and Selin TAT Grill Limited | Hospitality | 2026 |
| Semih and Selin Tayloring Limited | Other services | 2026 |
| SET in Silver Ltd | Manufacturing | 2022 |
| SF Sons Ltd | Wholesale & retail | 2024 |
| SFK Consultants (INT) Limited | Professional & scientific | 2004 |
| SFP Capital Limited | Real estate | 2025 |
| SG Electrical Surrey Limited | Construction | 2018 |
| Shahi Infra Limited | Construction | 2022 |
| Shahi Properties Limited | Real estate | 2022 |
| Shahs PT Ltd | Transport & logistics | 2025 |
| Sharas Mortgage & Finance Limited | Financial services | 2017 |
| Sharper Clean Ltd | Administrative & support | 2017 |
| Shedonoghue Limited | Health & social care | 2016 |
| Shell Build UK Ltd | Construction | 2024 |
| SHENDING57 Limited | Hospitality | 2024 |
| Shep Solutions Ltd | Manufacturing | 2024 |
| Sheq Online Ltd | Professional & scientific | 2006 |
| Shiny UK Cobham Limited | Administrative & support | 2023 |
| Shoot Shack Limited | Administrative & support | 2025 |
| Shooting Visions Limited | Other services | 2002 |
| Shootyou Limited | Information & communication | 2000 |
| Shreeroshni Ltd | Health & social care | 2024 |
| Silver Birch Homes 2 Limited | Construction | 2021 |
| Silver Birch Homes Ltd | Construction | 2018 |