| S.S.A.G. Limited | Professional & scientific | 2016 |
| S.W.Naqvi Ltd | Information & communication | 2007 |
| S26 Limited | Administrative & support | 2025 |
| S2R Limited | Information & communication | 2019 |
| S2VR Limited | Professional & scientific | 2024 |
| S4 Homes Ltd | Real estate | 2018 |
| S5 Traders Ltd | Wholesale & retail | 2019 |
| S9 Chauffeurs Ltd | Transport & logistics | 2014 |
| S9DDESIGNS Limited | Professional & scientific | 2025 |
| SA & ASB Ltd | Hospitality | 2025 |
| SA Car Hire Ltd | Transport & logistics | 2025 |
| SA Care Consult Ltd | Health & social care | 2023 |
| SA Consultancy PVT Limited | Professional & scientific | 2026 |
| SA Enterprises Ltd | Wholesale & retail | 2026 |
| SA Property Investors Ltd | Real estate | 2024 |
| SA1978 Limited | Households | 2025 |
| Saab Fast Build Ltd | Construction | 2026 |
| Saad for Food Ltd | Wholesale & retail | 2021 |
| Saaj Engineering Limited | Professional & scientific | 2018 |
| Saareddy Technology Limited | Information & communication | 2025 |
| Saati Ltd | Information & communication | 2019 |
| Saayesh Ltd | Wholesale & retail | 2025 |
| Sabar Brothers Ltd | Administrative & support | 2014 |
| Sabar Brothers Meats Limited | Wholesale & retail | 2019 |
| Sabar Enterprises Ltd | Wholesale & retail | 2025 |
| Sabar Food Supply Ltd | Wholesale & retail | 2020 |
| Sabe Driving Limited | Transport & logistics | 2010 |
| Sabeen's Collection Limited | Wholesale & retail | 2021 |
| SABEL3 Limited | Information & communication | 2017 |
| Sabihascollections Ltd | Wholesale & retail | 2024 |
| Sabrang International Ltd | Information & communication | 2017 |
| Sabre Business Bookkeeping Limited | Administrative & support | 2015 |
| Sabrie Kitchen Ltd | Hospitality | 2026 |
| Sabs Estates Limited | Real estate | 2016 |
| Sabs IT Solutions Limited | Information & communication | 2012 |
| Sabyaz Ltd | Transport & logistics | 2025 |
| Sach Media Limited | Professional & scientific | 2024 |
| Sach Technology Limited | Information & communication | 2022 |
| Sach Transformation Coach Ltd | Education | 2019 |
| Sachdeva Anesthetic Ltd | Health & social care | 2026 |
| Sacho Solutions Limited | Health & social care | 2012 |
| Sachtek Technologies Limited | Information & communication | 2014 |
| Sacred Engineering Ltd | Professional & scientific | 2024 |
| Sada Limited | Wholesale & retail | 2017 |
| Sadaqa Day Ltd | Health & social care | 2014 |
| Sadat Steel Works Ltd | Wholesale & retail | 2022 |
| Saddlegreen Limited | Professional & scientific | 2000 |
| Sadhra Limited | Health & social care | 2007 |
| Sadi Business Services Limited | Construction | 2025 |
| Safari Removal and Courier Service Limited | Transport & logistics | 2026 |
| Safariki Limited | Wholesale & retail | 2025 |
| Safe & Secure Scaffolding Ltd | Construction | 2023 |
| Safe Auto Solutions Ltd | Wholesale & retail | 2022 |
| Safe Hands HK Limited | Information & communication | 2024 |
| Safe Keep Care Limited | Health & social care | 2021 |
| Safe Step Global Ltd | Wholesale & retail | 2022 |
| Safeenah Care Platform Ltd | Information & communication | 2026 |
| Safety First (Slough) Limited | Professional & scientific | 2018 |
| Saffron Brighton Hill Ltd | Hospitality | 2024 |
| Saffron Heights Limited | Administrative & support | 2017 |
| Saffron Hospitality Services Ltd | Hospitality | 2014 |
| Safi Developments Limited | Real estate | 2024 |
| Safs Business Services Limited | Information & communication | 2015 |
| Safwa Academy Limited | Education | 2026 |
| Safwa Technology Ltd | Information & communication | 2025 |
| Safzz Ltd | Construction | 2016 |
| Saga World Waris UK Ltd | Manufacturing | 2024 |
| Saggu Carpets and Flooring Ltd | Construction | 2023 |
| Saggu Technologies Limited | Information & communication | 2026 |
| Sahab Instruments Limited | Manufacturing | 2022 |
| Sahaj Constructions Limited | Construction | 2024 |
| Sahay Construction Ltd | Construction | 2024 |
| Sahejpreet Estate Management Limited | Real estate | 2025 |
| Sahota Logistics Group Ltd | Transport & logistics | 2025 |
| SAI Asset Management Limited | Real estate | 2022 |
| SAI Clearance Limited | Transport & logistics | 2025 |
| SAI Cloud Solutions Limited | Information & communication | 2012 |
| SAI Decorations Ltd | Transport & logistics | 2009 |
| SAI Enterprises (UK) Ltd | Health & social care | 2015 |
| SAI G Logistics Ltd | Transport & logistics | 2017 |
| SAI Interpret Limited | Professional & scientific | 2024 |
| SAI Manikanta Limited | Information & communication | 2011 |
| SAI Priya Limited | Extraterritorial | 2012 |
| SAI Sabu Property Ltd | Real estate | 2026 |
| SAI Saripalli Ltd | Information & communication | 2011 |
| SAI Seven Hills Limited | Real estate | 2024 |
| SAI Sidhima Ltd | Information & communication | 2022 |
| SAI Tech PVT. Ltd | Information & communication | 2014 |
| Saif Health & Social Care Homes Limited | Other services | 2021 |
| Saifee Prints Ltd | Manufacturing | 2019 |
| Saiftasneem & Co Properties Limited | Real estate | 2024 |
| Saiful CON Limited | Manufacturing | 2024 |
| Saik Tech Solutions Ltd | Information & communication | 2023 |
| Saikotas Ltd | Information & communication | 2016 |
| Saikotas Ventures Ltd | Real estate | 2022 |
| Saila Limited | Professional & scientific | 2023 |
| Sailesh Ltd | Health & social care | 2025 |
| Sailor Buoy UK Ltd | Wholesale & retail | 2022 |
| Saini Associates Limited | Professional & scientific | 2010 |
| Saini Maintenance Limited | Professional & scientific | 2017 |