| Style With Sisters Ltd | Other services | 2014 |
| Stylestir Ltd | Wholesale & retail | 2024 |
| Stylishurban Limited | Wholesale & retail | 2023 |
| Stylux Arts Ltd | Wholesale & retail | 2020 |
| SU5 Limited | Professional & scientific | 2021 |
| Suave Dessert House Ltd | Hospitality | 2023 |
| SUB Zero Property Ltd | Real estate | 2021 |
| Subbah & Co Ltd | Real estate | 2026 |
| Subhana Limited | Manufacturing | 2024 |
| Subs Bench Accessories Limited | Wholesale & retail | 2020 |
| Suburbs Media Limited | Professional & scientific | 2012 |
| Success Empire Ltd. | Education | 2013 |
| Sucre Motors Ltd | Wholesale & retail | 2024 |
| Suda E-Commerce Solution Ltd | Wholesale & retail | 2022 |
| SUE Ashton Limited | Wholesale & retail | 2012 |
| Sueco Consulting Ltd | Professional & scientific | 2023 |
| Suewonyoung Limited | Hospitality | 2025 |
| Sufi Guidance Ltd | Education | 2017 |
| Sufyan AA Electrical Ltd | Construction | 2026 |
| Sugar Craft Ltd | Manufacturing | 2019 |
| Sugar Islands Ltd | Real estate | 2014 |
| Sugar Shot Ltd | Wholesale & retail | 2025 |
| Sugar Sweet Cutters Ltd | Wholesale & retail | 2024 |
| Suha Trade Ltd | Wholesale & retail | 2024 |
| Suhel 'S Consultancy Ltd | Information & communication | 2024 |
| Suite Dreams Interiors Limited | Wholesale & retail | 2024 |
| Suited Ltd | Administrative & support | 2019 |
| Suites Hotel Holding Limited | Hospitality | 2019 |
| Suites Hotel Knowsley Limited | Hospitality | 1992 |
| SUL Lago Restaurant Ltd | Hospitality | 2016 |
| Suleman Traders Ltd | Manufacturing | 2019 |
| Sully by SAL Ltd | Professional & scientific | 2022 |
| Sultan Consultants Ltd | Other services | 2025 |
| Sumeriton Limited | Wholesale & retail | 2024 |
| Summerdale Court RTM Company Ltd | Households | 2019 |
| Summershades Developments Limited | Construction | 2022 |
| Summit Wealth Group Ltd | Real estate | 2025 |
| Summitedge Consulting Limited | Wholesale & retail | 2025 |
| Sumo X AI Ltd | Information & communication | 2025 |
| Sun Stone 1 Limited | Hospitality | 2023 |
| Sun Stone 2 Limited | Real estate | 2023 |
| Sundial Productions Ltd | Hospitality | 2021 |
| Sunnaband Ltd | Wholesale & retail | 2024 |
| Sunnah Home Limited | Wholesale & retail | 2025 |
| Sunnah Sanctuary Ltd | Other services | 2023 |
| Sunnitex Limited | Extraterritorial | 2021 |
| Sunrise Kitchen Ltd | Hospitality | 2025 |
| Sunset Composite Decking & Fencing Ltd | Administrative & support | 2025 |
| Sunshine Care and Support Ltd | Administrative & support | 2018 |
| Super Clean Hand Car Wash Oldham Ltd | Administrative & support | 2021 |
| Super FRY Guys Ltd | Hospitality | 2024 |
| Super Myko's Ltd | Wholesale & retail | 2021 |
| Super One Traders Ltd | Other services | 2015 |
| Super Savvy Supplies Limited | Wholesale & retail | 2015 |
| Super Smash Ltd | Hospitality | 2025 |
| Super Swanky Limited | Wholesale & retail | 2020 |
| Super Transferz Ltd | Administrative & support | 2023 |
| Super Work Ltd. | Extraterritorial | 2024 |
| Superbody Limited | Other services | 2007 |
| Superclick Ltd | Wholesale & retail | 2025 |
| Supershine Auto Ltd | Administrative & support | 2025 |
| Supertune Automotive Holdings Limited | Financial services | 2024 |
| Supertune Automotive Ltd. | Wholesale & retail | 1968 |
| Support Systems Ltd | Wholesale & retail | 2026 |
| Support to Lead Ltd | Health & social care | 2018 |
| Supreme Bar Ltd | Hospitality | 2024 |
| Supreme Facility Care Ltd | Transport & logistics | 2025 |
| Supreme Sealants Ltd | Construction | 2023 |
| Supreme Sufficiency Global Ltd | Wholesale & retail | 2023 |
| Supreme UK Limited | Professional & scientific | 2003 |
| Sure 4 U Ltd | Transport & logistics | 2022 |
| Sure 4 YOU Ltd | Transport & logistics | 2022 |
| Sure Tech Security Limited | Construction | 2023 |
| Surebuild Properties Ltd | Construction | 2015 |
| Surer Data Limited | Other services | 2019 |
| Suresinc Ltd | Health & social care | 2025 |
| Surface Engineers Ltd | Professional & scientific | 2018 |
| Surge Protection Devices Limited | Construction | 2006 |
| Surma Express Oldham Ltd | Administrative & support | 2022 |
| Surma Jomuna Ltd | Other services | 2025 |
| Surveya Ltd | Professional & scientific | 2018 |
| SUS and Associates Limited | Information & communication | 2025 |
| SUS Consultancy Services Limited | Information & communication | 2020 |
| Suthers Street (Phase 2) Management Company Limited | Households | 2013 |
| Suzian Ltd | Education | 2025 |
| Svojan Limited | Construction | 2025 |
| SW Matters Ltd | Wholesale & retail | 2020 |
| SW Matterz Ltd | Wholesale & retail | 2020 |
| SW Tippers Limited | Transport & logistics | 2019 |
| Swade Solutions Limited | Transport & logistics | 2019 |
| Swan CMC Limited | Health & social care | 2021 |
| Swan Meadow Landscapes Ltd | Administrative & support | 2015 |
| Swan Meadow Private Day Nursery Limited | Other services | 2006 |
| Swan Street LLP | | 2016 |
| Swann Fitness Ltd | Arts & recreation | 2015 |
| Swannfitness Community Gym CIC | Health & social care | 2021 |
| Swannfitness Female Only Gym Ltd | Arts & recreation | 2025 |
| Swanshel Limited | Other services | 1977 |
| Sweeney S J Sparkles Ltd | Education | 2023 |
| Sweepy Blinders Ltd | Construction | 2016 |