| Sutton Coldfield Investments Limited | Financial services | 2019 |
| Sutton Social Work Assessments and Consultations Limited | Health & social care | 2026 |
| Sutton Travel Services Limited | Transport & logistics | 2018 |
| Suuper Store Limited | Wholesale & retail | 2022 |
| Suva Properties Ltd | Real estate | 2023 |
| Suverea Limited | Administrative & support | 2014 |
| Suzanne Tobias Ltd | Administrative & support | 2022 |
| SV Automations Limited | Construction | 2025 |
| SV Development Group Ltd | Real estate | 2025 |
| SV Drawings Ltd | Professional & scientific | 2022 |
| Svema UK Group Limited | Wholesale & retail | 2025 |
| SVK House Limited | Real estate | 2016 |
| SVN Whitfield Developments Ltd | Real estate | 2025 |
| Svtl Limited | Wholesale & retail | 2025 |
| SW Holdings Ltd | Real estate | 2025 |
| SW Infinite Ltd | Other services | 2021 |
| SW Living Ltd | Manufacturing | 2011 |
| SW Power UK Ltd | Energy | 2019 |
| SW Smart Solution Limited | Wholesale & retail | 2016 |
| SW Valeting Ltd | Administrative & support | 2024 |
| Swadesh Enterprises Ltd | Wholesale & retail | 2012 |
| Swag Worldwide Ltd | Wholesale & retail | 2017 |
| Swagplus Ltd | Wholesale & retail | 2024 |
| Swailes Homes Limited | Construction | 2019 |
| Swaine Pubs Ltd | Hospitality | 2026 |
| Swallowfield Management Company Limited | Households | 2020 |
| Swan Properties 2023 Ltd | Real estate | 2023 |
| Swan Residence Ltd | Real estate | 2025 |
| Swan Test & Calibration Limited | Professional & scientific | 1998 |
| Swapna Care Services Ltd | Health & social care | 2017 |
| Swapt Eco Ltd | Manufacturing | 2023 |
| Swatposh Ltd | Wholesale & retail | 2026 |
| SWB Energy Consulting Limited | Professional & scientific | 2026 |
| SWC Procurement Solutions Ltd | Professional & scientific | 2025 |
| Sweden Building Pro Ltd | Construction | 2025 |
| Sweet City Convenience Store Ltd | Wholesale & retail | 2025 |
| Sweet Code Solutions Limited | Information & communication | 2023 |
| Sweet Network Homes Limited | Real estate | 2021 |
| Sweet One Official Limited | Other services | 2021 |
| Sweet Shop Bolton Limited | Wholesale & retail | 2022 |
| Sweet Treats Manchester Ltd | Hospitality | 2022 |
| Sweet Trendz Ltd | Wholesale & retail | 2019 |
| Sweetmore & Firth Ltd | Manufacturing | 2023 |
| Sweetstone Gardens Block a RTM Company Ltd | Households | 2017 |
| Sweetstone Gardens Block B RTM Company Ltd | Households | 2017 |
| SWG (Europe) Limited | Wholesale & retail | 2010 |
| SWG Affilate Limited | Financial services | 2026 |
| Swift & Co Accountants Ltd | Professional & scientific | 2021 |
| Swift Assessors Ltd | Professional & scientific | 2015 |
| Swift Brix Ltd | Real estate | 2026 |
| Swift Consultancy & Management Ltd | Professional & scientific | 2022 |
| Swift Core Limited | Transport & logistics | 2025 |
| Swift Couriers North West Ltd | Transport & logistics | 2026 |
| Swift Dental Laboratory Limited | Manufacturing | 1993 |
| Swift Dental Laboratory Midlands Limited | Health & social care | 2018 |
| Swift Dental Laboratory South East Limited | Health & social care | 2018 |
| Swift Environmental Limited | Construction | 2010 |
| Swift Financial Group Limited | Other services | 2022 |
| Swift Health Ltd | Wholesale & retail | 2014 |
| Swift Kicks and Klobber Ltd | Wholesale & retail | 2025 |
| Swift Lawyers Limited | Professional & scientific | 2011 |
| Swift Mechanical Services (NW) Limited | Construction | 2024 |
| Swift Mortgages Solutions Ltd | Real estate | 2022 |
| Swift Motor Repairs Limited | Wholesale & retail | 2023 |
| Swift Paving & Civils Ltd | Administrative & support | 2025 |
| Swift Property Rentals Ltd | Real estate | 2022 |
| Swift RBS 1 Limited | Health & social care | 2007 |
| Swift Response Courier Limited | Transport & logistics | 2022 |
| Swift Showjumping Limited | Manufacturing | 2019 |
| Swift Suites Limited | Real estate | 2024 |
| Swift Xchange Ltd | Financial services | 2026 |
| Swift's Holdings Limited | Wholesale & retail | 1991 |
| Swiftmoverlogistics Ltd | Transport & logistics | 2025 |
| Swiftparcels Logistics Ltd | Transport & logistics | 2026 |
| Swiftsend Logistics Ltd | Transport & logistics | 2024 |
| Swiftyproducts Ltd | Wholesale & retail | 2023 |
| Swim Sports Company Ltd | Arts & recreation | 2017 |
| Swimmerz Academy Ltd | Education | 2012 |
| Swinton Solutions Limited | Information & communication | 2022 |
| Swirlz Bolton Limited | Hospitality | 2025 |
| Swiss Hamilton Ltd | Wholesale & retail | 2025 |
| Swiss Nexa Ltd | Wholesale & retail | 2025 |
| Switch Care Limited | Health & social care | 2023 |
| SWITCH42 Limited | Information & communication | 2023 |
| Switched UP Ltd | Professional & scientific | 2024 |
| Switzer Holdings (UK) Limited | Financial services | 2013 |
| SWL UK Group Limited | Financial services | 2022 |
| SWM Pharma Solutions Limited | Health & social care | 2019 |
| Swordpunch Ltd | Arts & recreation | 2024 |
| SXR Limited | Construction | 2024 |
| SXV Consultancy Limited | Administrative & support | 2021 |
| SY Surgical Aesthetics Ltd | Health & social care | 2022 |
| Syal Ltd | Health & social care | 2014 |
| Syautomotors Ltd | Wholesale & retail | 2025 |
| Sycamores (Atherton) Management Company Limited | Households | 2005 |
| SYD Engineering Services Ltd | Professional & scientific | 2024 |
| Syddall Build Ltd | Construction | 2025 |
| Sydomimi Services Ltd | Health & social care | 2024 |
| Syed Deebaj Ltd | Wholesale & retail | 2023 |
| Syed Foods Ltd | Wholesale & retail | 2022 |