| Sprinkle of Happiness Ltd | Arts & recreation | 2025 |
| Spruc Limited | Administrative & support | 2026 |
| Sprytosaur Ltd | Information & communication | 2018 |
| SPS Glazing Ltd | Construction | 2026 |
| Spurfoods Eailing Limited | Wholesale & retail | 2022 |
| SQ Enterprising (UK) Limited | Administrative & support | 2022 |
| Squash Homes Limited | Construction | 2022 |
| SR Developers Limited | Construction | 2014 |
| SR Property Group Ltd | Real estate | 2021 |
| SR Studio London Ltd | Other services | 2026 |
| SR Supplies UK- Ltd | Wholesale & retail | 2024 |
| SR Vitimax Ltd | Wholesale & retail | 2019 |
| Sran Consultancy Ltd | Information & communication | 2017 |
| Sree Ganesh Superstore Limited | Wholesale & retail | 2021 |
| SRI Bangla Sahib Properties Ltd | Financial services | 2026 |
| SRI Build Ltd | Households | 2019 |
| SRI Krsna Ltd | Health & social care | 2024 |
| SRJ Sons Property Investments Ltd | Real estate | 2022 |
| SRR Heart Construction Ltd | Construction | 2020 |
| SRS Construction Group Limited | Construction | 2026 |
| SRS Sweets Limited | Manufacturing | 2023 |
| SRS1 Ltd | Construction | 2026 |
| SS & MK Properties Limited | Real estate | 2018 |
| SS Bath Limited | Transport & logistics | 2022 |
| SS Building Repairs Ltd | Construction | 2022 |
| SS Collections Limited | Wholesale & retail | 2025 |
| SS Fashions Southall Ltd | Wholesale & retail | 2024 |
| SS Kitchens Group Limited | Hospitality | 2025 |
| SS Manpower Ltd | Transport & logistics | 2023 |
| SS Sandhu Construction Limited | Construction | 2015 |
| SS Style & Shine Ltd | Other services | 2025 |
| Ss&S Construction Ltd | Construction | 2025 |
| SSC Legal Limited | Real estate | 2000 |
| SSD Food and Wine Ltd | Wholesale & retail | 2025 |
| SSG Business Advisory Limited | Professional & scientific | 2021 |
| SSG Commerce Ltd | Wholesale & retail | 2026 |
| SSG Realty Ltd | Real estate | 2021 |
| SSG Venture Capital Limited | Real estate | 2019 |
| Ssgl Transport Limited | Transport & logistics | 2026 |
| SSJ Property Management Ltd | Real estate | 2021 |
| SSJ Selection Ltd | Wholesale & retail | 2020 |
| SSK Investment Properties Ltd | Households | 2024 |
| SSM Consultancy Ltd | Professional & scientific | 2020 |
| SSM IT Consultancy Services Limited | Information & communication | 2017 |
| SSP Solicitors Limited | Professional & scientific | 2025 |
| SSS Builders Limited | Construction | 2025 |
| SSS Food & Wine Ltd | Wholesale & retail | 2015 |
| SSS HGV Services Ltd | Education | 2024 |
| SSS London Courier Limited | Extraterritorial | 2024 |
| SSS Realty Ltd | Real estate | 2026 |
| SSS Roofing Ltd | Construction | 2026 |
| Sssx Ltd | Construction | 2026 |
| SST Building Construction Ltd | Construction | 2024 |
| SST Property Ltd | Real estate | 2020 |
| ST Anthony Goan Cafe Limited | Hospitality | 2025 |
| ST Deluxe Ltd | Wholesale & retail | 2026 |
| ST Valentine Care Ltd | Professional & scientific | 2017 |
| ST. Mina International Limited | Wholesale & retail | 2018 |
| St.Peters Development Society Limited | Education | 2013 |
| ST1 Estate Ltd | Real estate | 2026 |
| Stable Pidgin Ltd | Professional & scientific | 2019 |
| Stagway Limited | Construction | 2025 |
| Staircase Solutions Ltd | Manufacturing | 2025 |
| Standard Double Glazing Limited | Construction | 2025 |
| Standard FIX Ltd | Wholesale & retail | 2025 |
| Star (Southall) Limited | Wholesale & retail | 2017 |
| Star Biryani Ltd | Hospitality | 2025 |
| Star Build Construction Ltd | Construction | 2020 |
| Star Carpet & Flooring Ltd | Wholesale & retail | 2023 |
| Star Diggers Ltd | Construction | 2025 |
| Star Group Construction Ltd | Construction | 2022 |
| Star Mines Limited | Information & communication | 2022 |
| Star Mobile Accessories Ltd | Wholesale & retail | 2021 |
| Star One International Limited | Wholesale & retail | 2009 |
| Star Player Education Group Ltd | Hospitality | 2025 |
| Star Player Ltd | Arts & recreation | 2021 |
| Star Player Mentoring Ltd | Education | 2025 |
| Star Prop Management Limited | Hospitality | 2023 |
| Star Tailorz Limited | Manufacturing | 2022 |
| Star Valeting Centre Ltd | Administrative & support | 2018 |
| Star Weblogic Limited | Information & communication | 2013 |
| Staranise Services Ltd | Hospitality | 2026 |
| Starlingworld Ltd | Wholesale & retail | 2025 |
| Starlink Sirius Limited | Wholesale & retail | 2023 |
| Starlux Global Limited | Wholesale & retail | 2026 |
| Starplayer 4:13 Community Interest Company | Education | 2025 |
| Starpride Trading Limited | Wholesale & retail | 2011 |
| Starpride Ventures Ltd | Real estate | 2026 |
| Stars ARE Five Logistics Limited | Construction | 2024 |
| Starwood Roofing Ltd | Other services | 2020 |
| Stasatn Ltd | Real estate | 2025 |
| Steady Growth Property Ltd | Real estate | 2022 |
| Stechford Birmingham Limited | Real estate | 2025 |
| Stechish Limited | Wholesale & retail | 2024 |
| Steel Cat Ltd | Wholesale & retail | 2021 |
| Steelgrid Ltd | Construction | 2025 |
| Stef Group Limited | Administrative & support | 2020 |
| Stellent House Developments Limited | Real estate | 2014 |
| Steora Properties Ltd | Real estate | 2022 |
| Stephen Doherty Limited | Manufacturing | 2003 |