| Spadental Wotton LLP | | 2005 |
| Sparkle Cleans Shrewsbury Ltd | Administrative & support | 2025 |
| Sparkright Limited | Construction | 2024 |
| Sparksbrook Limited | Administrative & support | 2004 |
| Sparrow Farms Limited | Agriculture & fishing | 2026 |
| Sparta Foods Limited | Hospitality | 2015 |
| Spartan Tyres Ltd | Wholesale & retail | 2025 |
| Spears Spares Limited | Manufacturing | 2013 |
| Special Aircon Services Limited | Construction | 2013 |
| Special Situations Group Holdings Limited | Financial services | 2025 |
| Specialised Building Company Limited | Construction | 1992 |
| Specialist Groundcare Limited | Administrative & support | 2000 |
| Spectacular Selfies Limited | Professional & scientific | 2025 |
| Speculative Investments Limited | Real estate | 2020 |
| Speed Merchants Direct Limited | Extraterritorial | 2007 |
| Speedex Transport Limited | Transport & logistics | 2025 |
| Speedy Patty Ltd | Hospitality | 2026 |
| Spel Holdings | Extraterritorial | 2012 |
| Spel Ltd | Financial services | 2023 |
| Spel Products | Manufacturing | 1964 |
| Spencer & Spencer Estates Limited | Real estate | 2025 |
| Spencer Jakeman Property Management Limited | Administrative & support | 2014 |
| Spencer Levy Limited | Administrative & support | 2009 |
| Spencer Thorndahl Ltd | Extraterritorial | 2022 |
| Spice House Shrewsbury Ltd | Hospitality | 2024 |
| Spinners Wharf Limited | Households | 2007 |
| Spiridon Property Investments Ltd | Real estate | 2025 |
| Spjretailconsulting Ltd | Professional & scientific | 2024 |
| Sport (Worldwide) Ltd | Extraterritorial | 2000 |
| Sport Mobile Ltd | Information & communication | 2003 |
| Sports 4 Travel UK Ltd | Other services | 2018 |
| Sportsrus Ltd | Wholesale & retail | 2025 |
| Sporttraxx UK Limited | Manufacturing | 2020 |
| Spring Gardens (Shrewsbury) Management Limited | Households | 2010 |
| Spring Gardens Residential Limited | Real estate | 2024 |
| Springr Consulting Limited | Professional & scientific | 2026 |
| Sprocket One Racing Limited | Wholesale & retail | 2004 |
| Sproson Consulting Limited | Professional & scientific | 2010 |
| Spruce Point Developments Limited | Construction | 2024 |
| SPS Clinics Limited | Health & social care | 1995 |
| SPV Manning Ltd | Real estate | 2021 |
| Spyrys Heyl Management Company Limited | Households | 2013 |
| Squareball Consulting Limited | Professional & scientific | 2018 |
| Squilver Alarms Ltd | Construction | 2024 |
| SR @ Gallery Tea Rooms Ltd | Hospitality | 2020 |
| SR Manning Consulting Ltd | Professional & scientific | 2017 |
| SRB Agencies Limited | Wholesale & retail | 2011 |
| SRF Property Ltd | Real estate | 2019 |
| SRH Marketing Limited | Information & communication | 2012 |
| Srihari Oncology Limited | Health & social care | 2023 |
| SRM Painters Limited | Construction | 2014 |
| SRS Electrical Contractors Limited | Construction | 2008 |
| Srst Ltd | Wholesale & retail | 2019 |
| SS Roofing Limited | Construction | 2018 |
| SS Shropshire Ltd | Real estate | 2025 |
| SSC Management Services Ltd | Administrative & support | 2001 |
| SSK Products Limited | Manufacturing | 1999 |
| SSL (Pewsey) Limited | Administrative & support | 2007 |
| ST Andrews Drive Management Limited | Households | 2005 |
| ST Annes Court Management (Liverpool) Limited | Households | 2003 |
| ST Anthony's Property Limited | Real estate | 2021 |
| ST Davids Court (Barmouth) RTM Company Limited | Households | 2022 |
| ST Davids Court Barmouth Freehold Limited | Households | 2023 |
| ST Dunstans Management Company Limited | Other services | 1992 |
| ST George's Walk Residential Management Company Limited | Households | 2019 |
| ST Gregorys (Swarcliffe) Management Company Limited | Households | 2007 |
| ST James Hotels Limited | Professional & scientific | 2007 |
| ST James Town House Hotels Limited | Hospitality | 2002 |
| ST John Management Limited | Administrative & support | 2013 |
| ST John's Court (Egham) Management Co Limited | Households | 1985 |
| ST John's Hill Dental Practice Ltd | Health & social care | 2010 |
| ST John's Hill Medical Limited | Health & social care | 2020 |
| ST John's View (Menston) Management Company Limited | Real estate | 2021 |
| ST Julian's Friary Management Company Limited | Real estate | 2012 |
| ST Julians Friars Management Limited | Households | 2005 |
| ST Locks Limited | Construction | 2012 |
| ST Marks Gardens Management Limited | Households | 2020 |
| ST Marys School Ltd | Health & social care | 2019 |
| ST Michael's Gate Management Company Limited | Real estate | 1999 |
| ST Nicholas Restaurant Limited | Hospitality | 2026 |
| ST Nicholas Shrewsbury Limited | Hospitality | 2026 |
| ST Vincent (Shrewsbury) Ltd | Hospitality | 2022 |
| ST. Alkmunds School House Limited | Real estate | 2003 |
| ST. Annes, Town Walls Management Limited | Households | 2010 |
| ST. Crispin Drive Property MGT Company Ltd | Households | 2023 |
| ST. Georges Court (Mawney Road) Management Company Limited | Households | 1995 |
| ST. Gregory's Management Limited | Households | 2007 |
| ST. James Court (Spilsby) Limited | Households | 2006 |
| ST. John`S Hill Apartments Management Co. Limited | Households | 2008 |
| ST. Julian's Mews Management Company Limited | Real estate | 2009 |
| ST. Julian's Quadrant Management Company Limited | Real estate | 2008 |
| ST. Mary's Court (Liverpool) Management Limited | Professional & scientific | 1987 |
| ST. Muir Limited | Professional & scientific | 2021 |
| ST. Winefride's School Shrewsbury Trust | Education | 1992 |
| Stables Car Sales Limited | Wholesale & retail | 2018 |
| Stack Burger Shrewsbury Ltd | Hospitality | 2025 |
| Stadium Point (Shrewsbury) Limited | Real estate | 2023 |
| Stafford Court (Oswestry) Management Company Limited | Real estate | 2011 |
| Stag Bespoke Developments Ltd | Construction | 2023 |
| Stag Construction & Renovation Limited | Construction | 2018 |