| Svsco Ltd | Wholesale & retail | 2025 |
| Svsp Garages Ltd | Wholesale & retail | 2025 |
| Svvmvp Ltd | Health & social care | 2024 |
| SW & T Ltd | Wholesale & retail | 2020 |
| SW Accident Claims Solicitors Limited | Professional & scientific | 2014 |
| SW Aesthetics Ltd | Health & social care | 2023 |
| SW Marketing Intelligence Limited | Information & communication | 2017 |
| SW Medicolegal Limited | Health & social care | 2021 |
| SW72 Ltd | Real estate | 2022 |
| Swain Architecture Limited | Professional & scientific | 2016 |
| Swain Hospitality Ltd | Hospitality | 2016 |
| Swallbury HR Limited | Administrative & support | 2024 |
| Swallow Brook Ltd | Construction | 2014 |
| Swallow Hill Homes Part Exchange Limited | Real estate | 2024 |
| Swallowcroft Game Ltd | Wholesale & retail | 2018 |
| Swan Homes (Linby) Limited | Construction | 2023 |
| Swan Venture Services Limited | Hospitality | 2003 |
| Swancar Farm Country House Limited | Other services | 2011 |
| Swanley Communications Limited | Professional & scientific | 2018 |
| Swanns Building Management RTM Limited | Households | 2010 |
| Swans International Limited | Wholesale & retail | 2023 |
| Swansea Bowl Limited | Arts & recreation | 2018 |
| Swantech Consulting Limited | Professional & scientific | 2023 |
| Swanwick Fields Management Company Ltd | Households | 2020 |
| Swanwick Financial Services Limited | Financial services | 2002 |
| Swap Meat Limited | Hospitality | 2017 |
| Swapstick Limited | Information & communication | 2011 |
| Swaran Estates Limited | Real estate | 2016 |
| Swarkestone Lakes Ltd | Real estate | 2021 |
| Swat Marketing Providers Ltd | Administrative & support | 2017 |
| Swatmast Limited | Professional & scientific | 2021 |
| SWB Property Group Ltd | Construction | 2026 |
| Sweaty Pilates Limited | Arts & recreation | 2024 |
| Swedish Excellence Ltd | Wholesale & retail | 2024 |
| Sweeney Ellis Design Ltd | Professional & scientific | 2022 |
| Sweet Aroma Ltd | Administrative & support | 2007 |
| Sweet Bear Treats Ltd | Wholesale & retail | 2025 |
| Sweet Coffee Ltd | Hospitality | 2026 |
| Sweet Crave Ltd | Wholesale & retail | 2026 |
| Sweet Hope Limited | Other services | 2022 |
| Sweet House Notts Ltd | Wholesale & retail | 2025 |
| Sweet N' Chill Ltd | Hospitality | 2024 |
| Sweet Rebellion Ltd | Hospitality | 2015 |
| Sweet Science Academy Ltd | Education | 2022 |
| Sweet Science Community Academy CIC | Education | 2025 |
| Sweet Street Nottingham Limited | Hospitality | 2024 |
| Sweet Success Sugarcraft Limited | Manufacturing | 2007 |
| Sweet Treats and Dreams Ltd | Wholesale & retail | 2025 |
| Sweetboi Ltd | Wholesale & retail | 2021 |
| Sweetbrew Ltd | Manufacturing | 2024 |
| Sweetia UK Ltd | Wholesale & retail | 2018 |
| Sweetown Ltd | Manufacturing | 2019 |
| Sweetpea Ventures Ltd | Administrative & support | 2026 |
| Sweets of Southwell Ltd | Wholesale & retail | 2017 |
| Swelart Ltd | Real estate | 2024 |
| Swic Property Ltd | Real estate | 2024 |
| Swift Building Services Ltd | Construction | 2015 |
| Swift Certification Limited | Professional & scientific | 2018 |
| Swift Cleaner Services Limited | Administrative & support | 2003 |
| Swift Corporate Relocations Ltd | Real estate | 2022 |
| Swift G.H Ltd | Construction | 2025 |
| Swift Homes Limited | Real estate | 2016 |
| Swift Prime Store Ltd | Wholesale & retail | 2023 |
| Swift Prodo Cleaning Company Limited | Administrative & support | 2026 |
| Swift Route Logistics Ltd | Transport & logistics | 2025 |
| Swift Services Group Ltd | Professional & scientific | 2024 |
| Swift Solutions (Nottingham) Ltd | Construction | 2024 |
| Swift Venture Ltd | Hospitality | 2016 |
| Swift Wood Services Limited | Construction | 2007 |
| Swiftgain Limited | Real estate | 1997 |
| Swiftiu Holdings Limited | Real estate | 2024 |
| Swiftys Couriers 24/7 Ltd | Transport & logistics | 2026 |
| Swils Ltd | Health & social care | 2023 |
| Swim Notts Ltd | Education | 2022 |
| Swimming Pool Aquatics (Spa) Limited | Administrative & support | 2022 |
| Swimming Pool Contractors (UK) Limited | Construction | 2014 |
| Swinco Scaffolding Limited | Construction | 2022 |
| Swine Market Limited | Construction | 2025 |
| Swing Holdings Limited | Financial services | 2025 |
| Swing Padel Nottingham Limited | Arts & recreation | 2026 |
| Swingate Storage Limited | Transport & logistics | 2002 |
| Swingboat Holdings Limited | Professional & scientific | 2004 |
| Swinger Car Wash Ltd | Administrative & support | 2024 |
| Swings Golf Ltd | Arts & recreation | 2024 |
| Swinscoe Properties Development Limited | Real estate | 2025 |
| Swinscoe Selby Construction Limited | Construction | 2025 |
| Swirlforce Limited | Construction | 1994 |
| Swish Architecture Limited | Professional & scientific | 2010 |
| Swish Developments Ltd | Construction | 2023 |
| Swiss Cottage V.E. Limited | Other services | 2007 |
| Swissmed IP Ltd | Administrative & support | 2024 |
| Switch Method Consultancy Ltd | Information & communication | 2020 |
| Switch Point Media Limited | Professional & scientific | 2017 |
| Switch UP C.I.C. | Education | 2013 |
| Switch Utilities Limited | Administrative & support | 2002 |
| Switch Voice & Data Limited | Administrative & support | 2014 |
| Switched on Electrical (Nottm) Limited | Construction | 2007 |
| Switchpoint Wealth Management Limited | Extraterritorial | 2026 |
| Swithland Farms Limited | Agriculture & fishing | 1965 |
| Switzer Motors Limited | Wholesale & retail | 2023 |