| SG Wellbeing Ltd | Professional & scientific | 2024 |
| SGS Groundwork Services Limited | Construction | 2022 |
| SGS Management Limited | Real estate | 2011 |
| SH Cladding Remediation Ltd | Construction | 2024 |
| SH Fire Stopping Ltd | Construction | 2024 |
| SH Holdco Limited | Financial services | 2021 |
| Shaan Builders Ltd | Construction | 2023 |
| Shaark Productions & Enterprises Limited | Information & communication | 2024 |
| Shaavi Limited | Information & communication | 2023 |
| Shabnam Jabarkhail Ltd | Wholesale & retail | 2024 |
| Shafi Consultancy Limited | Information & communication | 2001 |
| Shafigh Engineering Services Ltd | Professional & scientific | 2025 |
| Shah Mohammed Trading Ltd | Extraterritorial | 2024 |
| Shah Prime Logistics Limited | Transport & logistics | 2026 |
| Shahi Andaaz Ltd | Hospitality | 2025 |
| Shahi Biryani Ltd | Hospitality | 2025 |
| Shahran Group Ltd | Wholesale & retail | 2022 |
| Shak Autos Ltd | Wholesale & retail | 2016 |
| Shake UP Music Limited | Information & communication | 1998 |
| Shakers Kids Ltd | Other services | 2016 |
| Shakespeare Fabrics Limited | Wholesale & retail | 2020 |
| Shakti Estate PVT Ltd | Real estate | 2022 |
| Shali MED Ltd | Wholesale & retail | 2022 |
| Shama Services Limited | Transport & logistics | 2020 |
| Shamail Investments Limited | Real estate | 2023 |
| Shamaq Ltd | Health & social care | 2024 |
| Shamrock and Clovers Gardening and Building Maintenance Limited | Administrative & support | 2025 |
| Shamsh Property Holding Ltd | Real estate | 2022 |
| Shandy the Landy Ltd | Hospitality | 2025 |
| Shanishya Ltd | Wholesale & retail | 2022 |
| Shapo Wheels Limited | Wholesale & retail | 2023 |
| Shara Transport Ltd | Transport & logistics | 2025 |
| Shared Workforce Group Limited | Information & communication | 2006 |
| Sharkview Ltd | Information & communication | 2015 |
| Sharkwise Ltd | Real estate | 2018 |
| Sharman Whyte Limited | Construction | 2007 |
| Sharo London Ltd | Other services | 2024 |
| Sharp Electronics (Europe) Limited | Manufacturing | 2012 |
| Sharp Glazing Limited | Construction | 2014 |
| Sharp Life Science (EU) Limited | Professional & scientific | 2016 |
| Sharp Mechanical Services Ltd | Construction | 2019 |
| Sharpeagle Technology Ltd | Manufacturing | 2024 |
| Shawhair Ltd | Other services | 2026 |
| Shaylana Limited | Wholesale & retail | 2017 |
| Shazam Construction Ltd | Construction | 2022 |
| Shazam Search Ltd | Real estate | 2024 |
| SHD Financial Consultancy Ltd | Professional & scientific | 2015 |
| Shehrezad Ltd | Wholesale & retail | 2026 |
| Sheikh Beauty International Limited | Other services | 2017 |
| Sheikh Estates Holdings Limited | Financial services | 2025 |
| Sheikh Holdings Group (Investments) Limited | Financial services | 2011 |
| Sheikh Investment Group Limited | Financial services | 2020 |
| Sheikh Investment Partners Limited | Financial services | 2021 |
| Sheikh Property Holdings Limited | Financial services | 2020 |
| Sheikh Real Estate Group Limited | Financial services | 2021 |
| Sheikh Ventures Limited | Financial services | 2019 |
| Shelter Tech UK Limited | Construction | 2010 |
| Shendricks Maths Tutoring Ltd | Financial services | 2026 |
| Shenoy Finance Services Limited | Professional & scientific | 2025 |
| Shenoy Properties Limited | Real estate | 2019 |
| Shenoy Trading Limited | Wholesale & retail | 2022 |
| Shepherd Smith Limited | Wholesale & retail | 1905 |
| Shepherds Hill Nursery Limited | Health & social care | 2022 |
| Shepperton Organic Day Nursery Limited | Health & social care | 2023 |
| Shepperton Superstore Limited | Wholesale & retail | 2007 |
| Shera Logistics Ltd | Transport & logistics | 2026 |
| Shery Ecom Ltd | Wholesale & retail | 2026 |
| Sheypado Body Limited | Wholesale & retail | 2025 |
| Shi&Naz Limited | Professional & scientific | 2012 |
| Shield Executive Limited | Transport & logistics | 2003 |
| Shift Financial Services Ltd | Financial services | 2009 |
| Shillingford Bridge Hotel Ltd | Hospitality | 2018 |
| Shilys Stay N Play Ltd | Health & social care | 2026 |
| Shin Construction Limited | Construction | 2025 |
| Shine Domestic and Industrial Limited | Administrative & support | 2023 |
| Shine Dream Homes Limited | Real estate | 2021 |
| Shine Future Limited | Hospitality | 2008 |
| Shine Jewellery Ltd | Wholesale & retail | 2021 |
| Shiv Kripa Ltd | Wholesale & retail | 2020 |
| Shiv Shakti Films Ltd | Information & communication | 2024 |
| Shiva FM Ltd | Information & communication | 2014 |
| Shiva's Investments Limited | Real estate | 2020 |
| Shivaay Designs & Developments Ltd | Professional & scientific | 2023 |
| Shivani Homes Limited | Real estate | 2025 |
| Shivi Ltd | Professional & scientific | 2024 |
| Shivsagar Enterprises Ltd | Wholesale & retail | 2015 |
| Shoglobex Limited | Wholesale & retail | 2008 |
| Shop and Town Properties Limited | Real estate | 1963 |
| Shopfinity Express Limited | Wholesale & retail | 2025 |
| Shree Ganesha Private Limited | Hospitality | 2024 |
| Shree Shyam Tiffin Service Ltd | Hospitality | 2026 |
| Shreeradha Limited | Wholesale & retail | 2023 |
| Shri Associates Ltd | Extraterritorial | 2009 |
| Shri Ganesha Construction Ltd | Construction | 2024 |
| Shrisha Beauty Ltd | Other services | 2020 |
| Shroque Ltd | Health & social care | 2025 |
| Shuclub Limited | Wholesale & retail | 2013 |
| Shutterology Ltd | Construction | 2024 |
| SI Velani Corp Foundation Ltd | Real estate | 2022 |
| SIA Abrafoam Limited | Manufacturing | 1994 |