| Springfield Mews Residents Company Limited | Households | 2022 |
| Springhead Construction Limited | Construction | 2013 |
| Springhill Property Investments Limited | Real estate | 2016 |
| Springreen Essentials Ltd | Wholesale & retail | 2024 |
| Springs Inc Ltd. | Information & communication | 2013 |
| Sprint Records Ltd | Manufacturing | 2021 |
| Sprint Suppliers Ltd | Wholesale & retail | 2020 |
| Sprinters Logistics Ltd | Transport & logistics | 2026 |
| Sprinters Transport Limited | Transport & logistics | 1999 |
| Spritz Creative Ltd | Professional & scientific | 2003 |
| Spritz Media (UK) Limited | Professional & scientific | 2022 |
| Sprr Limited | Hospitality | 2026 |
| Sprysis Limited | Information & communication | 2023 |
| SPS Civil Limited | Construction | 2022 |
| SPS Food Hub Ltd | Hospitality | 2025 |
| SPT Advance Limited | Health & social care | 2011 |
| Spudbuds Ltd | Hospitality | 2024 |
| Spuri Ltd | Construction | 2022 |
| Spurlings Accountants Limited | Professional & scientific | 2014 |
| SPV 08 Limited | Real estate | 2021 |
| SPV 09 Limited | Real estate | 2021 |
| SPV 10 Limited | Real estate | 2021 |
| SPV 11 Limited | Real estate | 2021 |
| SPV 12 Limited | Real estate | 2021 |
| SPV 13 Limited | Real estate | 2021 |
| SPV 14 Limited | Real estate | 2021 |
| SPV 15 Limited | Real estate | 2022 |
| SPV 16 Limited | Real estate | 2022 |
| SPV 17 Limited | Real estate | 2022 |
| SPV 18 Limited | Real estate | 2022 |
| SPV 19 Limited | Real estate | 2022 |
| SPV 22 Limited | Real estate | 2021 |
| SPV 23 Limited | Real estate | 2023 |
| SPV 24 Limited | Real estate | 2023 |
| SPV 25 Limited | Real estate | 2023 |
| SPV 26 Limited | Real estate | 2023 |
| SPV 27 Limited | Real estate | 2023 |
| SPV 28 Limited | Real estate | 2023 |
| SPV 29 Limited | Real estate | 2023 |
| SPW & Co Consultants Ltd | Professional & scientific | 2017 |
| SPW Estates ( Props ) Limited | Real estate | 2019 |
| SQ Store Limited | Wholesale & retail | 2025 |
| Sqsm Limited | Real estate | 2021 |
| Square 1 Autos Ltd | Wholesale & retail | 2019 |
| Square Bubbles (Kingsland) Limited | Wholesale & retail | 2022 |
| Square Mile Triathlon Limited | Arts & recreation | 2008 |
| Square Prism Construction Limited | Construction | 2026 |
| Square Properties Development Ltd | Construction | 2026 |
| Squarecube Inc Ltd | Information & communication | 2026 |
| Squaregiraffe Limited | Real estate | 2024 |
| Squaresec Limited | Information & communication | 2020 |
| Squeakys Valeting & Detailing Ltd | Administrative & support | 2021 |
| Squirrels Court Residents Company Limited | Households | 1990 |
| SR Detailing Ltd | Wholesale & retail | 2024 |
| SR Eyecare Ltd | Wholesale & retail | 2026 |
| SR Gill Property & Construction Ltd | Construction | 2026 |
| SR Groceries Ltd | Wholesale & retail | 2025 |
| SR Handcrafted Hues Limited | Manufacturing | 2025 |
| SR IT Management Consultants Limited | Information & communication | 2019 |
| SR London Trading Limited | Wholesale & retail | 2023 |
| SR Medical Consultancy Ltd | Health & social care | 2022 |
| SR Physio and Wellness Ltd | Health & social care | 2025 |
| SR Plumbing Solutions Ltd | Construction | 2026 |
| SR Property & Investments Limited | Real estate | 2013 |
| SR Supply Limited | Professional & scientific | 2020 |
| SR Support Ltd | Information & communication | 2019 |
| SR Trading U.K Ltd | Transport & logistics | 2017 |
| SR UK Global Ltd | Wholesale & retail | 2025 |
| SR UK Logistics Limited | Transport & logistics | 2020 |
| SR2 Tower Ltd | Real estate | 2020 |
| SRA Supplies Ltd | Other services | 2023 |
| Sraanco Limited | Real estate | 2017 |
| Sraj Retail Ltd | Wholesale & retail | 2026 |
| SRAN13 Limited | Information & communication | 2024 |
| SRB Nexus UK Ltd | Wholesale & retail | 2026 |
| Srbr Limited | Professional & scientific | 2023 |
| SRD Consultant Ltd | Information & communication | 2016 |
| SRD Design Group Ltd | Professional & scientific | 2024 |
| Srdnair Ltd | Real estate | 2026 |
| SRE Investments Ltd | Real estate | 2023 |
| Sree Matha Technologies Ltd | Information & communication | 2012 |
| Sreeja Accessories Ltd | Wholesale & retail | 2025 |
| Sreejafashions Ltd | Wholesale & retail | 2025 |
| Sreyas Global Limited | Education | 2025 |
| SRF Doner Ltd | Hospitality | 2024 |
| SRG Chem Limited | Health & social care | 2017 |
| SRI Amman Impex Ltd | Manufacturing | 2025 |
| SRI Commercial Properties Ltd | Real estate | 2026 |
| SRI Consultancy Services Ltd | Information & communication | 2021 |
| SRI Electronics Ltd | Professional & scientific | 2019 |
| SRI MAX Entertainment Ltd | Wholesale & retail | 2025 |
| SRI Ranganatha Limited | Real estate | 2025 |
| SRI Sahasra Ltd | Wholesale & retail | 2026 |
| SRI SAI Balaji Ltd | Wholesale & retail | 2022 |
| SRI SAI Subs Limited | Hospitality | 2013 |
| SRI Sairam Solutions Ltd | Information & communication | 2010 |
| SRI Store Ltd | Wholesale & retail | 2012 |
| SRI Varahi Residence Limited | Real estate | 2024 |
| SRI Vidsha SAI Consultancy Limited | Information & communication | 2013 |
| Sridevi Trendz Ltd | Other services | 2014 |