| Superclean Commercial (Notts) Limited | Administrative & support | 2023 |
| Supere Limited | Information & communication | 2023 |
| Superfi Ltd | Wholesale & retail | 2019 |
| Supergrass Professional Turf Care Limited | Administrative & support | 2016 |
| Superior Developments Group Ltd | Real estate | 2025 |
| Superior Plumbing Solutions Ltd | Construction | 2024 |
| Superior.Maintenance Ltd | Other services | 2025 |
| Superlative Properties Ltd | Real estate | 2002 |
| Superlawyer Ltd | Information & communication | 2026 |
| Supernova Capital One Limited | Financial services | 2018 |
| Superstarkm Ltd | Wholesale & retail | 2025 |
| Supplies on Demand Limited | Wholesale & retail | 2021 |
| Supply Kitchen Doors Ltd | Manufacturing | 2026 |
| Supply Pilot Limited | Extraterritorial | 2022 |
| Supply Trading Ltd | Wholesale & retail | 2019 |
| Supply Zone Limited | Wholesale & retail | 2025 |
| SUPPLYIN2 Limited | Professional & scientific | 2020 |
| Support and Regenerate Enterprise Limited | Administrative & support | 2002 |
| Supporting Agent Services Limited | Administrative & support | 2025 |
| Supporting Send Together Limited | Administrative & support | 2025 |
| Supportive Hands Care Limited | Health & social care | 2025 |
| Supra Private Limited | Health & social care | 2010 |
| Supreme Automation Ltd | Professional & scientific | 2023 |
| Supreme Bay Holdings Limited | Financial services | 2020 |
| Supreme Bay Ltd | Extraterritorial | 2020 |
| Supreme Plus Care Ltd | Health & social care | 2019 |
| Supreme Sports Club Limited | Arts & recreation | 2015 |
| Supreme Water Limited | Administrative & support | 2022 |
| Supremefilms Ltd | Hospitality | 2022 |
| SUR LA Plaque Limited | Professional & scientific | 2022 |
| Surabhi Solutions Limited | Real estate | 2024 |
| Sure Business Advisors Ltd | Professional & scientific | 2023 |
| Sure Homes Development Ltd | Construction | 2026 |
| Sure Property Developments Nottingham Limited | Real estate | 2016 |
| Sure Storage Ltd | Construction | 2024 |
| Sure Technology Limited | Professional & scientific | 2000 |
| Sure to Aspire CIC | Education | 2025 |
| Suredone Ltd | Information & communication | 2025 |
| Surelock UK Security Limited | Administrative & support | 2025 |
| Suresell Limited | Extraterritorial | 1995 |
| Sureshopsolutions Ltd | Wholesale & retail | 2024 |
| Surewood Joinery Limited | Construction | 2003 |
| Surface & Solution Limited | Manufacturing | 2024 |
| Surface and Solution 1 Limited | Construction | 2023 |
| Surface Works Limited | Administrative & support | 2025 |
| Surfleet Accounting Ltd | Professional & scientific | 2026 |
| Surfleet Equity Ltd | Information & communication | 2024 |
| Surgar Snap Sweets Ltd | Wholesale & retail | 2024 |
| Surge Storage Equipment Limited | Manufacturing | 2009 |
| Surgical Interventions Ltd | Health & social care | 2015 |
| Surgmed Ltd | Health & social care | 2025 |
| Surmust Limited | Information & communication | 2006 |
| Survey Hub Ltd | Professional & scientific | 2012 |
| Survey Three (Management) Limited | Professional & scientific | 1970 |
| Survey Three Limited | Professional & scientific | 1991 |
| Surveyaro Limited | Construction | 2017 |
| Surveying People Ltd | Construction | 2021 |
| Surveys 4 Boats Ltd | Manufacturing | 2022 |
| Susan Entwistle Limited | Information & communication | 2009 |
| Susan Flavoured Kitchen Limited | Hospitality | 2023 |
| Susan Kernahan Limited | Real estate | 2019 |
| Susrutha Ltd | Real estate | 2009 |
| Sussex Business School Limited | Education | 2017 |
| Sussex Fencing Limited | Construction | 2019 |
| Sustainable Bags & Fashion Ltd | Wholesale & retail | 2020 |
| Sustainable Design and Engineering Consultants Ltd | Construction | 2026 |
| Sustainable Hydro Holdings Limited | Agriculture & fishing | 2025 |
| Sustainable Ministry Partners Ltd | Professional & scientific | 2025 |
| Sustainable Organic Innovation & Learning Ltd | Professional & scientific | 2024 |
| Sustainable Resolute League Property Developers Ltd | Construction | 2026 |
| Sustainable Structural Engineering Limited | Professional & scientific | 2025 |
| Sustainable Supply Ltd | Manufacturing | 2014 |
| Sustainable Travel Collective Ltd. | Education | 2005 |
| Sustin C.I.C. | Information & communication | 2023 |
| Sustinate Ltd | Professional & scientific | 2022 |
| Sutherland & Barnett Limited | Other services | 2007 |
| Sutton Blount Ltd | Information & communication | 2013 |
| Sutton Coldfield V.E. Limited | Other services | 1995 |
| Sutton Eatery Ltd | Hospitality | 2025 |
| Sutton Media Limited | Manufacturing | 2006 |
| Sutton Nails Spa Ltd | Other services | 2023 |
| Sutton PJ Ltd | Hospitality | 2023 |
| Sutton Rail Projects Ltd | Construction | 2014 |
| Sutton South Ltd | Wholesale & retail | 2020 |
| Sutton Wmids Ltd | Wholesale & retail | 2020 |
| Suttonkayes Ltd | Professional & scientific | 2022 |
| Suttons Farmyard Ltd | Professional & scientific | 2020 |
| SUV 4X4 Limited | Wholesale & retail | 2013 |
| Suwarex Limited | Administrative & support | 2014 |
| Suzaku Limited | Construction | 2007 |
| SV Vehicle Sourcing Limited | Wholesale & retail | 2020 |
| SVA Online Ltd | Wholesale & retail | 2023 |
| SVA Total Solutions Limited | Information & communication | 2006 |
| Svavlv LLP | | 2025 |
| Svdg Properties Ltd | Real estate | 2020 |
| Sven Kempa Professional Services Limited | Professional & scientific | 2020 |
| SVK Financial Limited | Financial services | 2024 |
| SVS Fire Limited | Construction | 2020 |
| SVS Properties Limited | Real estate | 2021 |
| SVS Property Services Ltd | Construction | 2025 |