| S & L Building Services Limited | Construction | 2002 |
| Sadik Property's Limited | Real estate | 2022 |
| Sales Direct Trading Limited | Wholesale & retail | 2025 |
| Sarahk Ltd | Wholesale & retail | 2025 |
| School House Music Limited | Information & communication | 2014 |
| Sefco Holdings Limited | Water & waste | 2013 |
| Seriously Cool Limited | Arts & recreation | 2004 |
| Serocold Limited | Professional & scientific | 2020 |
| Servix Technologies Ltd | Wholesale & retail | 2024 |
| SG Gym Ltd | Other services | 2021 |
| Sharpe's Place Ltd | Construction | 2025 |
| SHEPSHED20 Ltd | Real estate | 2025 |
| Sherbourne Bourne Court Limited | Construction | 2018 |
| Sherbourne Hurstbourne Manor Limited | Construction | 2019 |
| Simon Bere Carpentry and Joinery Ltd. | Construction | 2005 |
| Simon Tilling Limited | Professional & scientific | 2013 |
| SIP and Saddle Limited | Hospitality | 2025 |
| Snuff & Stuff Ltd | Real estate | 2022 |
| Social One Ltd | Real estate | 2023 |
| Solas Senior Care Ltd | Health & social care | 2016 |
| Solutions Decoded Ltd | Information & communication | 2016 |
| South Central Solutions Ltd | Construction | 2019 |
| Spark Innovation Group Limited | Professional & scientific | 2023 |
| Specialised Fibreglass Services Ltd | Construction | 2025 |
| Spike Publications Limited | Information & communication | 2014 |
| Station Yard (Pewsey) Management Company Limited | Households | 2019 |
| Stephenson-Clarke Limited | Professional & scientific | 2015 |
| Sticks and Stones (UK) Limited | Hospitality | 2012 |
| Studio 18 (Pewsey) Ltd | Other services | 2023 |
| Studio Onward Ltd | Professional & scientific | 2022 |
| Sutton Leach Associates Limited | Real estate | 2011 |
| Swan Enford Limited | Hospitality | 1998 |
| Swan Enford Trading Limited | Hospitality | 2025 |
| Tate and Darby Ltd | Wholesale & retail | 2018 |
| Taurus GE Ltd | Construction | 2016 |
| TC01 Limited | Financial services | 2025 |
| TCO01 Limited | Financial services | 2025 |
| Techedology Ltd | Information & communication | 2012 |
| Temple Drafting Limited | Professional & scientific | 1996 |
| THE Birdies Golf Shop Ltd | Wholesale & retail | 2025 |
| THE Borg Sisters Limited | Hospitality | 2025 |
| THE Charlton Cat Ltd. | Hospitality | 2015 |
| THE Digiteam CIC | Education | 2025 |
| THE Fortnightly Adviser Limited | Information & communication | 2018 |
| THE GIN Fizz Bar Ltd | Hospitality | 2022 |
| THE India Shop Limited | Wholesale & retail | 1988 |
| THE Ingram Hill Foundation | Professional & scientific | 1998 |
| THE Manor Pewsey Management Company Limited | Households | 1988 |
| THE Marlborough Play House Ltd | Hospitality | 2025 |
| THE MV Agusta Owners Club GB Limited | Other services | 2007 |
| THE Old Dairy Studio Ltd | Health & social care | 2023 |
| THE Onboard Partnership Ltd | Professional & scientific | 2006 |
| THE Pewsey and District Feast and Carnival | Other services | 2007 |
| THE Seven Stars Inn Limited | Hospitality | 2014 |
| THE Shed Alehouse Ltd | Hospitality | 2015 |
| THE Walled Garden Group Limited | Administrative & support | 2016 |
| THE White Horse Gate Company Ltd | Construction | 2025 |
| Three Guineas (Southcott) Ltd | Hospitality | 2016 |
| Time Warp Toys and Collectibles UK Ltd | Wholesale & retail | 2024 |
| Toptechcontent Limited | Professional & scientific | 2026 |
| TTL Garage Solutions Ltd | Construction | 2012 |
| Tydell Dog Grooming Ltd | Extraterritorial | 2025 |
| Upavon Consulting Limited | Professional & scientific | 2019 |
| Upavon G C Trading Ltd | Arts & recreation | 1996 |
| Upavon Golf Club Ltd | Arts & recreation | 2024 |
| VA Music Ltd | Information & communication | 2012 |
| Vale of Spice Limited | Hospitality | 2023 |
| Vale Publishing Limited | Professional & scientific | 2005 |
| Wags 2 Whiskers Limited | Administrative & support | 2015 |
| Water Lily Property Ltd | Real estate | 2014 |
| West Electrical Limited | Construction | 2004 |
| West Hill Park Limited | Professional & scientific | 2010 |
| WF Electrical Services Limited | Construction | 2021 |
| Whatley & Co. (Holdings) Limited | Financial services | 2024 |
| Whatley House (Pewsey) Management Company Limited | Real estate | 2013 |
| Whippet Products Ltd | Administrative & support | 2018 |
| White Horse Scientific Ltd | Professional & scientific | 2010 |
| White House Management Limited | Households | 1986 |
| Widdington Farm Contracting Limited | Agriculture & fishing | 2026 |
| Widdington Shoot Limited | Arts & recreation | 2005 |
| Wild Hare Property Limited | Real estate | 2022 |
| Wild Women Unlimited Ltd | Manufacturing | 2019 |
| Willow & Wolf Ltd | Wholesale & retail | 2018 |
| Willow Landscapes & Design Ltd | Administrative & support | 2023 |
| Willys Welding Ltd | Construction | 2024 |
| Wiltshire Liqueur Company Limited | Wholesale & retail | 1994 |
| Wiltshire Skin Solutions Ltd | Health & social care | 2021 |
| Wiltshire Surface Maintenance Ltd | Construction | 2026 |
| Wiltshire Vale Aesthetics Clinic Ltd | Other services | 2021 |
| Woodborough Garden Centre Limited | Wholesale & retail | 2024 |
| Woolstone Solutions Ltd | Professional & scientific | 2011 |
| WOW Brickwork and Construction Limited | Construction | 2026 |
| WP Consultancy Services Ltd | Professional & scientific | 2024 |
| Yelland Elite Juniors Kickboxing Ltd | Arts & recreation | 2025 |
| Yelland Elite Ladies Kickboxing Ltd | Arts & recreation | 2025 |
| Yelland's Holdings Ltd | Financial services | 2025 |
| Your Marketing Department Ltd | Professional & scientific | 2020 |