| SN Food and Wine Ltd | Wholesale & retail | 2019 |
| Sn&M Service Ltd | Construction | 2018 |
| Snack City Stoke Limited | Hospitality | 2023 |
| Snape Decorators Ltd | Construction | 2018 |
| Snappy Gurus Ltd | Information & communication | 2022 |
| Snawave Ltd | Wholesale & retail | 2024 |
| SNB Capital Venture Ltd | Real estate | 2026 |
| Snell Design & Build Ltd | Construction | 2025 |
| Sneyd (Building Contractors) Limited | Construction | 2001 |
| Sneyd Arms Abbey Hulton Ltd | Hospitality | 2017 |
| Sneyd Ceramics Limited | Manufacturing | 2008 |
| Sneyd Green Ltd | Transport & logistics | 2007 |
| Sneyd Holdings Limited | Financial services | 2012 |
| Sneyd Oatcakes Ltd | Hospitality | 2026 |
| Sneyd Steeplejacks & Lightning Conductor Engineers Ltd | Construction | 2026 |
| Snickeri Limited | Wholesale & retail | 2012 |
| SNJ Constructions Limited | Construction | 2026 |
| SNN Brothers Ltd | Wholesale & retail | 2026 |
| Snowcone Ltd | Manufacturing | 2023 |
| Snowhill Medical Limited | Health & social care | 2006 |
| SNP Grocers Ltd | Wholesale & retail | 2021 |
| SNS Book Keeping Services Limited | Professional & scientific | 2023 |
| Snug Estates Ltd | Real estate | 2026 |
| Snugglebundl Products Ltd | Wholesale & retail | 2023 |
| SO Very Dog Limited | Wholesale & retail | 2024 |
| SO1O Ltd | Wholesale & retail | 2021 |
| Soap City Staffs Limited | Wholesale & retail | 2025 |
| Soap City Stoke Limited | Wholesale & retail | 2022 |
| Soap Suds Car Wash Ltd | Other services | 2023 |
| Sobilix Ltd | Wholesale & retail | 2025 |
| SOC Performance Limited | Arts & recreation | 2016 |
| SOC Property Limited | Real estate | 2021 |
| Soccer Stars Academy Redhill and Tunbridge Wells Ltd | Education | 2023 |
| Social Boot Limited | Professional & scientific | 2026 |
| Social Connective CIC | Health & social care | 2023 |
| Social Legacy CIC | Information & communication | 2023 |
| Social Sportin' | Education | 2016 |
| Socials by Kate Ltd | Professional & scientific | 2022 |
| SOE Private Hire Vehicle Leasing Ltd | Transport & logistics | 2023 |
| Sofia Georgiana Banica Ltd | Administrative & support | 2025 |
| Soft Data Solutions Ltd | Information & communication | 2016 |
| Softdev Europe Limited | Information & communication | 2017 |
| Softfox Ltd | Information & communication | 2026 |
| Soguru Trans Ltd | Transport & logistics | 2019 |
| SOHAL1313 Ltd | Real estate | 2025 |
| Sokhaia Skincare Ltd | Manufacturing | 2022 |
| SOL House Ltd | Real estate | 2019 |
| Sola Medical Skin and Laser Limited | Other services | 2024 |
| Sola Property Ltd | Real estate | 2025 |
| Solace Lettings Limited | Real estate | 2025 |
| Solace Performance UK Limited | Wholesale & retail | 2025 |
| Solacevita Healthcare Ltd | Health & social care | 2025 |
| Solais Power Limited | Wholesale & retail | 2023 |
| Solar 6 Global Projects Limited | Extraterritorial | 2016 |
| Solar Right Ltd | Construction | 2022 |
| Solaris Stoke Ltd | Transport & logistics | 2014 |
| Sole Diamond Limited | Administrative & support | 2021 |
| Solept Ltd | Arts & recreation | 2022 |
| Solice Care Solutions Ltd | Health & social care | 2019 |
| Solid Ground Contracts Ltd | Construction | 2026 |
| Soluform Limited | Professional & scientific | 2009 |
| Some Assistance Please Ltd | Professional & scientific | 2025 |
| Something Special Cheadle Ltd | Wholesale & retail | 2015 |
| Sonic Blue Music Limited | Information & communication | 2013 |
| Sons Music & Media Ltd | Manufacturing | 2025 |
| Sons Records Ltd | Information & communication | 2019 |
| Sons-Of-Kadavu Investment Partnership Limited | Financial services | 2025 |
| Soon Services Ltd Ltd | Wholesale & retail | 2025 |
| Sophia Anabel Transport Ltd | Transport & logistics | 2023 |
| Sophie Goodfellow Sports Therapy Limited | Arts & recreation | 2022 |
| Sophie Olivia Aesthetics Limited | Other services | 2023 |
| Sorean Ltd | Financial services | 2024 |
| Sorin & Seby Trans Ltd | Transport & logistics | 2018 |
| Sorin&Francesca Transport Limited | Transport & logistics | 2026 |
| Sorvi AI Ltd | Information & communication | 2025 |
| Soshal Media Ltd | Information & communication | 2020 |
| SOT Curries Limited | Hospitality | 2019 |
| SOT Group Ltd | Real estate | 2024 |
| SOT* Housing Limited | Construction | 2023 |
| Soul Legends Limited | Other services | 2015 |
| Soul Rebel Tattoo Studio Ltd | Wholesale & retail | 2019 |
| Sound Booth Ltd | Information & communication | 2017 |
| Soundscape Promotions Limited | Information & communication | 2024 |
| Source Handyman Limited | Construction | 2016 |
| Source One Limited | Wholesale & retail | 2026 |
| SOURCE2US Limited | Administrative & support | 2024 |
| Sourcedtyli Ltd | Real estate | 2025 |
| Sourcesome Ltd | Real estate | 2019 |
| South Cheshire Auctions Ltd | Wholesale & retail | 2020 |
| South Cheshire Properties Ltd | Real estate | 2022 |
| South Cheshire Removals & Storage Limited | Extraterritorial | 2020 |
| Sovenza Limited | Transport & logistics | 2026 |
| Sovereign Aerosols Ltd | Extraterritorial | 2019 |
| Sovereign Brotherhood Limited | Education | 2025 |
| Sovereign Motor Group Ltd | Wholesale & retail | 2025 |
| Sovereign Planned Services Limited | Manufacturing | 1998 |
| Sovereign Planned Services on Line Limited | Wholesale & retail | 2003 |
| Sovereign Security 4 Hire Limited | Administrative & support | 2017 |
| Sovereign Sourcing Limited | Real estate | 2023 |
| Sovereigntyx Limited | Wholesale & retail | 2024 |