| Roshaal Plot 6 Limited | Real estate | 2023 |
| Roshaal Plot 7 Limited | Real estate | 2023 |
| Rosie Morgan Consultancy Limited | Professional & scientific | 2018 |
| Rossenhallas Management Co Limited | Households | 1974 |
| Rosy Communication Ltd | Education | 2020 |
| Rothus Technology Ltd | Professional & scientific | 2020 |
| Rowland Court Freehold Limited | Households | 2007 |
| Roxburgh Advisory Limited | Professional & scientific | 2012 |
| ROY and Howard Limited | Wholesale & retail | 2017 |
| Rpms Properties Limited | Real estate | 2025 |
| RQW Limited | Construction | 2013 |
| RSJ Houses Ltd | Households | 2025 |
| Rslv Group Ltd | Administrative & support | 2023 |
| RTC Property Renovations Ltd | Construction | 2018 |
| Ruaa Ltd | Professional & scientific | 2012 |
| Ruchita Ltd | Hospitality | 2019 |
| Ruez Limited | Wholesale & retail | 2022 |
| Running IT Solutions Limited | Information & communication | 2017 |
| Ruperts Tunbridge Wells Ltd | Construction | 2019 |
| Russell (Merstham) 2 Ltd | Construction | 2021 |
| Russell (Merstham) 3 Ltd | Construction | 2024 |
| Rustic Civils Ltd | Professional & scientific | 2016 |
| RV Global Connect Ltd | Wholesale & retail | 2026 |
| RV1 Group Limited | Other services | 2019 |
| RV1 Veteran Services C.I.C. | Other services | 2022 |
| Rvlz Consulting Ltd | Professional & scientific | 2025 |
| RWD Decorating Services Ltd | Construction | 2022 |
| Ryan Krake Consulting Ltd | Professional & scientific | 2025 |
| Ryan Palmer Stunts Limited | Arts & recreation | 2022 |
| RZ Operations Ltd | Wholesale & retail | 2025 |
| S & C Holdings Ltd | Professional & scientific | 2022 |
| S & K Logistics Ltd | Transport & logistics | 2014 |
| S & L Sports Ltd | Wholesale & retail | 2002 |
| S & R Windows Ltd | Administrative & support | 2026 |
| S & S London Plastering Ltd | Construction | 2017 |
| S & T Groundworks Limited | Construction | 2024 |
| S & T Roofing Limited | Construction | 2025 |
| S E Services (UK) Limited | Construction | 2005 |
| S Groom Plastering Limited | Construction | 2015 |
| S H Hardware & DIY Ltd | Wholesale & retail | 2020 |
| S I Textiles UK Ltd | Wholesale & retail | 2021 |
| S J Wood Systems Limited | Administrative & support | 2013 |
| S OSEI3D Limited | Health & social care | 2023 |
| S&P Casey Property Ltd | Real estate | 2025 |
| S.E.Motorsport Ltd | Wholesale & retail | 2020 |
| S.I.S. Property Holdings Limited | Real estate | 2026 |
| Safe FM Limited | Construction | 2012 |
| Safe I.S. Limited | Construction | 2008 |
| Safe Property Services Limited | Real estate | 1982 |
| Safeway Build Limited | Construction | 2015 |
| Sail by Numbers Ltd | Professional & scientific | 2023 |
| Sail Line Solutions (Southern) Ltd | Administrative & support | 2024 |
| Saintsville Ltd | Manufacturing | 2024 |
| Salesfit Solutions Ltd | Administrative & support | 2023 |
| Salfords BBQ & Pizza Limited | Hospitality | 2024 |
| Salix Innovation Consulting Limited | Professional & scientific | 2025 |
| Salute Investments Limited | Financial services | 2014 |
| Sambhav Homes Limited | Real estate | 2019 |
| Sammy LEE Food Consultancy Ltd | Hospitality | 2016 |
| Sam’S Barber OB Limited | Other services | 2025 |
| Sanctuary Pro Solutions Ltd | Arts & recreation | 2026 |
| Sandason Limited | Wholesale & retail | 2012 |
| Sandhills Property Limited | Real estate | 2024 |
| Santander Consumer (UK) PLC | Financial services | 1988 |
| Sapiens Symposium Ltd | Arts & recreation | 2020 |
| Sapphire 222 Limited | Professional & scientific | 2022 |
| Sarah Oxby Ltd | Real estate | 2014 |
| Sartech Engineering Limited | Manufacturing | 1997 |
| SAS EOT Ltd | Professional & scientific | 2020 |
| Sasha Stewart Ltd | Administrative & support | 2025 |
| Satcap Surveys Ltd | Professional & scientific | 2019 |
| Satellite Strategies Limited | Professional & scientific | 2016 |
| Satori Partners Limited | Professional & scientific | 2006 |
| Savanna Ball Ltd | Information & communication | 2022 |
| Savanna Rawson Ltd | Professional & scientific | 2017 |
| Save OUR Sash Ltd | Manufacturing | 2023 |
| Saxby Properties Holdings Limited | Professional & scientific | 1997 |
| Saxby Properties Limited | Construction | 1992 |
| Sayles Consultancy Services Limited | Professional & scientific | 2025 |
| SB Consulting Group Limited | Financial services | 2019 |
| SBC Pureconsult Ltd | Information & communication | 2001 |
| SBC Skincare Ltd | Wholesale & retail | 2022 |
| SC Financial Compliance Ltd | Professional & scientific | 2025 |
| Scaffold Inspector Limited | Information & communication | 2022 |
| Scantech Site Services Ltd | Professional & scientific | 2013 |
| Science Based Analysis Consulting Limited | Professional & scientific | 2022 |
| Scott Contracting Services Ltd | Administrative & support | 2018 |
| Scout Elhan Limited | Wholesale & retail | 2022 |
| Scrumdiddly Catering Ltd | Hospitality | 2024 |
| Scrumdiddly LLP | | 2014 |
| Scrumdiddly Vanwiches Ltd | Hospitality | 2025 |
| SCT & Co Limited | Professional & scientific | 2014 |
| SD Event Services Ltd | Administrative & support | 2015 |
| Seamark Management Company Limited | Hospitality | 2007 |
| Second Banana Ltd | Information & communication | 2020 |
| Secret Garden in the HAM Ltd | Education | 2025 |
| Sediq Ltd | Wholesale & retail | 2024 |
| Seedspark Consultancy Ltd | Professional & scientific | 2025 |
| Seged Ltd | Other services | 2011 |
| SEI Focused Investments Ltd | Real estate | 2019 |