| Suburban Properties Limited | Real estate | 2013 |
| Success Mindset Consulting Limited | Health & social care | 2017 |
| Success New Look (786) Ltd | Wholesale & retail | 2019 |
| Successlines International Ltd | Administrative & support | 2025 |
| SUE Clements Consultancy Ltd | Professional & scientific | 2017 |
| Suite Spotter Limited | Information & communication | 2024 |
| Sultan Fresh Limited | Hospitality | 2025 |
| Summers Inman Management Limited | Administrative & support | 2017 |
| Summit 17 Ltd | Professional & scientific | 2021 |
| Sumps and Pumps Direct Ltd | Wholesale & retail | 2017 |
| Sun's Panda Foods Ltd | Wholesale & retail | 2025 |
| Sunnoda Limited | Construction | 2025 |
| Sunnydene Investments Limited | Real estate | 2019 |
| Sunshine External Cleaning Company Ltd | Administrative & support | 2010 |
| Sunshine Tech MCR Ltd | Other services | 2020 |
| Sunshine Window Cleaning (Sale) Limited | Administrative & support | 2016 |
| Sunstone IP Systems Limited | Manufacturing | 2011 |
| Super Support Services Limited | Health & social care | 2007 |
| Superbake Ltd. | Wholesale & retail | 2017 |
| Superior Recreation LP | | 2012 |
| Supersensory Limited | Wholesale & retail | 1994 |
| Supplies 360 Limited | Wholesale & retail | 2025 |
| Supro Sport Limited | Wholesale & retail | 2018 |
| Surco Limited | Information & communication | 1991 |
| Suresci Consulting Ltd | Professional & scientific | 2019 |
| Surftek Limited | Professional & scientific | 2021 |
| Surgen Ltd | Wholesale & retail | 2026 |
| Survika Ltd | Information & communication | 2023 |
| Surya Chandra UK Limited | Wholesale & retail | 2021 |
| Sustainable Wealth Management Ltd | Financial services | 2021 |
| Sustainsuccess Limited | Information & communication | 2008 |
| Sutherland Investments Limited | Professional & scientific | 2003 |
| Suttons Independent Financial Advisers Limited | Financial services | 2006 |
| Svdg Ltd | Wholesale & retail | 2025 |
| SVG Productions Ltd | Information & communication | 2021 |
| SVL Freight Limited | Transport & logistics | 2007 |
| Sway Communications Ltd | Professional & scientific | 2012 |
| Sweet Reindeer Ltd | Wholesale & retail | 2024 |
| Sweetaire Properties Ltd | Real estate | 2025 |
| Sweetpea Publishing Ltd | Information & communication | 2025 |
| Swinton Lions Rugby League Club Limited | Arts & recreation | 2013 |
| Swinton Sale Drylining Ltd | Construction | 2015 |
| SWK Properties Limited | Real estate | 2017 |
| Swoop Distribution Ltd | Wholesale & retail | 2025 |
| Sychdyn Computer Services Limited | Information & communication | 2008 |
| Sydala Limited | Professional & scientific | 2025 |
| Syldax Ltd | Professional & scientific | 2021 |
| Synapse Studios Ltd | Arts & recreation | 2023 |
| Synaptic Synergy Ltd | Information & communication | 2024 |
| Synergy HR Solutions Limited | Administrative & support | 2024 |
| Synergy Technology Solutions Limited | Information & communication | 2011 |
| Synthesis Creative Services Limited | Professional & scientific | 2006 |
| Syrinx Solutions Limited | Professional & scientific | 2025 |
| Systemized Engineering Ltd | Professional & scientific | 2023 |
| Süpamanager Ltd | Arts & recreation | 2020 |
| T & H Practice Ltd | Health & social care | 2021 |
| T & H Property Ltd | Real estate | 2021 |
| T C P Armstrong Limited | Hospitality | 2021 |
| T W Bowler (Haulage) Limited | Transport & logistics | 1998 |
| T&R Williams Ltd | Information & communication | 2013 |
| Tabla Analytics Ltd | Professional & scientific | 2021 |
| Table 10 Limited | Hospitality | 2006 |
| Tacitly Ltd | Information & communication | 2026 |
| Tack Studio Ltd | Information & communication | 2022 |
| Tadcad Limited | Professional & scientific | 2011 |
| Tags Online Ltd | Manufacturing | 2020 |
| TAH Trading Express Limited | Wholesale & retail | 2017 |
| Taha Textiles Ltd | Wholesale & retail | 2020 |
| Taiba Capital Ltd | Financial services | 2025 |
| Taiba Holdings Ltd | Professional & scientific | 2025 |
| TAK Property Limited | Real estate | 2025 |
| Takhi Holding Group Limited | Real estate | 2023 |
| Talentsure Consulting Limited | Professional & scientific | 2023 |
| Talib Takeaway Ltd | Hospitality | 2025 |
| Talk to Rebecca Ltd | Health & social care | 2025 |
| Tanble Limited | Professional & scientific | 2019 |
| Tangbo Technologies Limited | Wholesale & retail | 2021 |
| Tanishka Ltd | Real estate | 2021 |
| Tanswell Towers Property Ltd | Real estate | 2025 |
| TAS Trading Ltd | Wholesale & retail | 2014 |
| Task Developments Limited | Construction | 2000 |
| Taste Buds MCR Limited | Hospitality | 2016 |
| Tatton Debt Advisory Limited | Financial services | 2023 |
| Tatton Kelly Ltd | Hospitality | 2024 |
| Tatton Projects Ltd | Construction | 2017 |
| Taurus Global Search Ltd | Administrative & support | 2020 |
| Taxwise Accountants Ltd | Professional & scientific | 2013 |
| Taylor & Co Properties Ltd | Real estate | 2019 |
| Taylor Daly Developments Limited | Real estate | 2018 |
| Taylor Newton Consulting Ltd | Construction | 2018 |
| Taylored Installations Ltd | Construction | 2019 |
| TB & MG Properties Ltd | Real estate | 2024 |
| TBO Services Limited | Financial services | 2008 |
| TC Eatl Holdings Limited | Information & communication | 2024 |
| Teatum Groundworks Limited | Construction | 2021 |
| Tech Grids Limited | Information & communication | 2015 |
| Technoble Minds Ltd | Information & communication | 2024 |
| Techtanix Ltd | Information & communication | 2026 |
| Techxe Limited | Information & communication | 2022 |
| Teemeta Ltd | Real estate | 2020 |