| SS TAJ Properties Ltd | Real estate | 2024 |
| SS UK Contractors Ltd | Construction | 2023 |
| SS Wattoo Ltd | Wholesale & retail | 2025 |
| SS09 Road Services Limited | Transport & logistics | 2025 |
| SSA Carbon Credit Enterprise Holdings Limited | Professional & scientific | 2025 |
| Ssas Partners Ltd | Health & social care | 2025 |
| SSB Creations Limited | Wholesale & retail | 2025 |
| SSELL4YOU Ltd | Wholesale & retail | 2020 |
| Sservice Bay Ltd | Wholesale & retail | 2026 |
| SSG Dynamic Ltd | Transport & logistics | 2025 |
| Sshahwa's Ltd | Wholesale & retail | 2012 |
| SSK Cricket Ltd | Administrative & support | 2017 |
| SSK Interiors Limited | Construction | 2020 |
| Ssng Ltd | Real estate | 2025 |
| SSR Global Ltd | Hospitality | 2024 |
| SSS & AK Constructions Limited | Construction | 2017 |
| SSS Electrics Ltd | Construction | 2025 |
| SSS Family Ltd | Real estate | 2019 |
| SSS Overseas Services Ltd | Other services | 2022 |
| SSS Store Ltd | Wholesale & retail | 2025 |
| Sssph Ltd | Construction | 2026 |
| SSV Hayes Ltd | Wholesale & retail | 2022 |
| Ssvdaughtersandson Limited | Real estate | 2024 |
| Sswg Ltd | Wholesale & retail | 2021 |
| SSZ Foods Limited | Hospitality | 2019 |
| ST Anthony's Gifts & Florists Ltd | Wholesale & retail | 2022 |
| ST George's BK Ltd | Financial services | 2005 |
| ST Judge Builder Ltd | Construction | 2023 |
| ST Mary's Transport Limited | Other services | 2011 |
| ST Philopater Ltd | Health & social care | 2024 |
| ST. Georges Minerva Development Limited | Professional & scientific | 2014 |
| ST8NT Ltd | Wholesale & retail | 2025 |
| STA Property Holdings Ltd | Real estate | 2025 |
| Staff Giant Group Ltd | Administrative & support | 2022 |
| Staffspring Limited | Health & social care | 2026 |
| Staines Cakeco Limited | Hospitality | 2026 |
| Standard Roofing Limited | Construction | 2022 |
| Star Affinity Limited | Real estate | 2019 |
| Star Atlantic Ltd | Real estate | 2020 |
| Star Catering Food Services Ltd | Hospitality | 2024 |
| Star Distributors Limited | Wholesale & retail | 2024 |
| Star Estate Agents and Property Management UK Limited | Real estate | 2018 |
| Star Events London Limited | Other services | 2016 |
| Star International Developments Ltd | Administrative & support | 2011 |
| Star Kitchen Installations Ltd | Construction | 2020 |
| Star LEO Limited | Real estate | 2022 |
| Star National Transport Limited | Transport & logistics | 2025 |
| Star Orion Ltd | Wholesale & retail | 2020 |
| Star Pacific UK Limited | Wholesale & retail | 2010 |
| Star PK Enterprises Limited | Hospitality | 2024 |
| Star Plus Estate Agents Limited | Hospitality | 2019 |
| Star Readymix Concrete Ltd | Construction | 2019 |
| Star Sirius UK Ltd | Real estate | 2023 |
| Star Steels Ltd | Construction | 2025 |
| Star Vehicle Hire Limited | Administrative & support | 2020 |
| Star World Investments Ltd | Real estate | 2014 |
| Starcool Ltd | Construction | 2021 |
| Stargb Ltd | Hospitality | 2018 |
| Starry Luck Limited | Manufacturing | 2023 |
| Stars 5 Construction Ltd | Construction | 2025 |
| Start-Up Emporium Limited | Information & communication | 2023 |
| Startrocket Limited | Information & communication | 2019 |
| Startuitions Services Ltd | Education | 2024 |
| Stasher Limited | Extraterritorial | 2023 |
| Statez Ventures Ltd | Professional & scientific | 2021 |
| Station Cars Hayes Limited | Transport & logistics | 2026 |
| Station Newsagents Limited | Wholesale & retail | 2013 |
| Station Sheds Management Company Limited | Households | 2025 |
| Statue 2 Limited | Administrative & support | 2010 |
| Stax Entertainment Ltd | Information & communication | 2020 |
| Staybirmingham Limited | Hospitality | 2006 |
| Staycity (NWG) Limited | Extraterritorial | 2018 |
| Staycity Corn Exchange Limited | Hospitality | 2014 |
| Staycity Greenwich Limited | Hospitality | 2012 |
| Staycity Heathrow Limited | Hospitality | 2011 |
| Staycity Manchester Limited | Hospitality | 2012 |
| Staycity Seager Limited | Hospitality | 2013 |
| Staycity Strand Limited | Hospitality | 2014 |
| Staycity Vauxhall Ltd | Construction | 2024 |
| Staycity York Limited | Hospitality | 2014 |
| Staynewhall Square Limited | Hospitality | 2011 |
| Stealth Security Services Ltd | Administrative & support | 2020 |
| Stealthy Transport & Logistics Limited | Transport & logistics | 2025 |
| Steeledge UK Limited | Wholesale & retail | 2019 |
| Steffny Couture Ltd | Wholesale & retail | 2025 |
| Stellar Events and Rentals Ltd | Other services | 2022 |
| Stellar Technologies Ltd | Information & communication | 2025 |
| Stellar Trade Hub Limited | Wholesale & retail | 2023 |
| Stellars Marketing Ltd | Wholesale & retail | 2024 |
| Stepan Master Builders Ltd | Construction | 2026 |
| Stepngrow UK Limited | Information & communication | 2025 |
| Sterling & Sage Cleaning Co Ltd | Administrative & support | 2026 |
| Sterling Art Services (Packing and Shipping) Ltd | Professional & scientific | 2000 |
| Sterling Chance Advisory Ltd | Professional & scientific | 2016 |
| Sterling Electrical Solutions Ltd | Other services | 2017 |
| Sterling Investments (UK) Limited | Real estate | 2013 |
| Sterling Management Assets Ltd | Real estate | 2020 |
| Sterling Property Investments Limited | Wholesale & retail | 2007 |
| Sterling Spinal Wellness Limited | Health & social care | 2022 |
| Sterling Trading Group Ltd | Wholesale & retail | 2024 |