| Savoury Station Ltd | Hospitality | 2024 |
| Savvi Shopper Ltd | Wholesale & retail | 2019 |
| Savvy Drinks Limited | Professional & scientific | 2025 |
| Savvy Group Limited | Extraterritorial | 2009 |
| Savvy Limited | Extraterritorial | 2007 |
| Savvy Partnership Limited | Extraterritorial | 2007 |
| Savvy PR Limited | Professional & scientific | 2017 |
| Savvy Practice Limited | Real estate | 2020 |
| Savvy Style Ltd | Wholesale & retail | 2024 |
| Savvy Talent Limited | Information & communication | 2022 |
| Savvykiwi Limited | Other services | 2019 |
| Savvyvan Ltd | Manufacturing | 2022 |
| Saward Marketing & Events Limited | Administrative & support | 2019 |
| Sawstan Car Wash Ltd | Other services | 2017 |
| Saxa Vord Associates Limited | Professional & scientific | 2010 |
| Saxel Limited | Wholesale & retail | 2021 |
| Saxon Building Products Limited | Wholesale & retail | 2011 |
| Saxon Grange (Management Company) Limited | Households | 2002 |
| Saxum Ltd | Construction | 2024 |
| SAY Holding Ltd | Administrative & support | 2017 |
| SAY My Name Limited | Hospitality | 2025 |
| SAY OWT | Arts & recreation | 2018 |
| Sayed Enterprises - Ashford Street Ltd | Real estate | 2025 |
| Sayers and Poundbakery Limited | Manufacturing | 2019 |
| Sayner Lane Motors Ltd | Wholesale & retail | 2006 |
| Sayvit Ltd | Professional & scientific | 2024 |
| SAZ Pharma Ltd | Wholesale & retail | 2025 |
| Sazco Ltd | Financial services | 2026 |
| SB & Sons Retail Ltd | Wholesale & retail | 2023 |
| SB Advisory (UK) Ltd | Professional & scientific | 2009 |
| SB Bros Sourcing Ltd | Wholesale & retail | 2025 |
| SB Business Group Limited | Professional & scientific | 2025 |
| SB Consortium Limited | Wholesale & retail | 2020 |
| SB Consult Ltd | Professional & scientific | 2012 |
| SB Driving Ltd | Transport & logistics | 2025 |
| SB Ecom Ltd | Wholesale & retail | 2021 |
| SB Education Ltd | Education | 2019 |
| SB Electrical (Leeds) Ltd | Construction | 2024 |
| SB Flavours Limited | Hospitality | 2025 |
| SB Grit Ltd | Other services | 2015 |
| SB Living Limited | Real estate | 2008 |
| SB Luxe Living Ltd | Real estate | 2025 |
| SB Management Spaces Ltd | Real estate | 2022 |
| SB North Transport LLP | | 2024 |
| SB Plant & Commercials Ltd | Manufacturing | 2023 |
| SB Professional Medical Services Limited | Health & social care | 2024 |
| SB Quantum Services Limited | Other services | 2015 |
| SB Real Estate & Properties Limited | Real estate | 2024 |
| SB Squared Ltd | Professional & scientific | 2022 |
| SB Traders Limited | Hospitality | 2025 |
| SB Transport&Removals Ltd | Transport & logistics | 2026 |
| Sbaj Limited | Real estate | 2019 |
| SBC Services C.I.C. | Extraterritorial | 2020 |
| Sbconnolly Limited | Real estate | 2024 |
| SBG Sports Software UK Ltd | Information & communication | 2013 |
| Sbgas Plumbing & Heating Services Limited | Construction | 2009 |
| SBH Enterprises Limited | Professional & scientific | 2023 |
| SBJ Tools Limited | Wholesale & retail | 2024 |
| SBK Events Ltd | Other services | 2023 |
| Sblf Property Ltd | Real estate | 2025 |
| Sbliving Property Ltd | Real estate | 2018 |
| SBM4S Limited | Wholesale & retail | 2024 |
| SBR Tradings Yorkshire Ltd | Hospitality | 2020 |
| SBS 2022 Ltd | Manufacturing | 2022 |
| Sbsa Properties Ltd | Real estate | 2023 |
| Sbuk Creations Limited | Extraterritorial | 2018 |
| SBV Fabrication and Site Services Limited | Manufacturing | 1990 |
| SC Audiology Ltd | Health & social care | 2025 |
| SC Automotive Vehicle Service & Repairs Ltd | Wholesale & retail | 2022 |
| SC Building Services Ltd | Construction | 2019 |
| SC Cradley Ltd | Construction | 2019 |
| SC Glamour Ltd | Other services | 2020 |
| SC Holdings (Leeds) Limited | Real estate | 2021 |
| SC Joinery and Building Ltd | Construction | 2023 |
| SC Lettings Limited | Real estate | 2017 |
| SC Proactive Training Ltd | Education | 2024 |
| SC Prop Ltd | Real estate | 2014 |
| SC Real Estate Development Ltd | Real estate | 2023 |
| SC Soho Trading Ltd | Hospitality | 2014 |
| Scaffold Alert Systems Ltd | Administrative & support | 2023 |
| Scaffold Gear Ltd | Administrative & support | 2025 |
| Scaffold IT Solutions Ltd | Construction | 2021 |
| Scala Casting Limited | Administrative & support | 2000 |
| Scale Innovation Ltd | Professional & scientific | 2023 |
| Scale IT UK Ltd | Information & communication | 2025 |
| Scalesimple Limited | Information & communication | 2018 |
| Scaleview Limited | Real estate | 1981 |
| Scalora Ltd | Wholesale & retail | 2025 |
| Scamber Consultancy Limited | Information & communication | 2014 |
| Scan Legal Ltd | Wholesale & retail | 2016 |
| Scan My Returns Limited | Information & communication | 2012 |
| Scandic Vibes Network CIC | Arts & recreation | 2025 |
| Scandinavian Construction Ltd | Other services | 2019 |
| Scandinavian Homes Limited | Construction | 2011 |
| Scandinavian LOG Cabins Direct Ltd | Other services | 2021 |
| Scandinavian LOG Cabins Ltd | Construction | 2014 |
| Scao Investments Limited | Financial services | 2019 |
| Scar Wear Ltd | Wholesale & retail | 2025 |
| Scarborough B3 Coast Limited | Construction | 2020 |
| Scarborough B7 Limited | Construction | 2020 |