| Ra-Elect Ltd. | Professional & scientific | 2013 |
| Rabc Limited | Manufacturing | 2023 |
| Rachel LEE Marketing Solutions Ltd | Professional & scientific | 2024 |
| RAW Pet Food Pantry Limited | Wholesale & retail | 2022 |
| Red Book Property Consultants Limited | Real estate | 2010 |
| Redloop Consulting Limited | Information & communication | 2016 |
| Renewable Energy Partners Ltd | Professional & scientific | 2024 |
| River BEE Design Ltd | Professional & scientific | 2023 |
| River VUE Limited | Professional & scientific | 2025 |
| Ro-Dor Limited | Manufacturing | 1985 |
| Robert Herring Performance Coach Limited | Professional & scientific | 2016 |
| Rookley Carpentry Limited | Construction | 2007 |
| Salisbury Wedding Marquees Ltd | Administrative & support | 2019 |
| SAM (Southern) Limited | Real estate | 2012 |
| Sandham Court Developments Limited | Extraterritorial | 2001 |
| Sandown Body Repairs Ltd | Wholesale & retail | 2024 |
| Sansom Reed Limited | Wholesale & retail | 2021 |
| Sarum Hardwood Structures Limited | Construction | 1984 |
| Saston App Ltd | Construction | 2017 |
| Savealifecpr Ltd | Education | 2026 |
| SDP Management Consultancy Services Limited | Administrative & support | 2020 |
| Seasystems | | 1996 |
| Senior Authorised Personnel Solutions Limited | Construction | 2013 |
| Sensaw Limited | Extraterritorial | 2001 |
| Sgpc Limited | Professional & scientific | 2015 |
| SHE Recruits Ltd | Professional & scientific | 2024 |
| Shedfield Country Stores Limited | Wholesale & retail | 2024 |
| Showcase Industries Ltd | Professional & scientific | 2012 |
| Silicon Aspire C.I.C. | Other services | 2013 |
| Siteyoung Limited | Construction | 2000 |
| Skyline Mapping & Surveys Ltd | Professional & scientific | 2024 |
| Software Leadership Limited | Professional & scientific | 2025 |
| Somborne Consulting Limited | Professional & scientific | 2009 |
| Somborne Financial Planning Ltd | Professional & scientific | 2011 |
| Somborne Holdings Limited | Financial services | 2025 |
| Somborne Padel Tennis Club Ltd | Arts & recreation | 2020 |
| Somborne Services Ltd | Agriculture & fishing | 2005 |
| Somborne Valley Vineyard Limited | Manufacturing | 2001 |
| Sonogrove Limited | Information & communication | 2026 |
| Sophie Hacker Art Ltd | Arts & recreation | 2022 |
| South Winchester Lodges Limited | Hospitality | 2011 |
| Southampton Hill Developments Ltd | Construction | 2014 |
| SP6 Technologies Limited | Information & communication | 2015 |
| Spitfire Shoot Limited | Arts & recreation | 2013 |
| Squareline Developments Limited | Construction | 2009 |
| Stanley Drive Limited | Real estate | 2019 |
| Stephen Fitzmaurice Limited | Information & communication | 2002 |
| Stick IT Adhesive Ltd | Wholesale & retail | 2014 |
| Stockbridge MGT Limited | Other services | 2014 |
| Stockbridge Riding School and Livery Service Limited | Arts & recreation | 2007 |
| Stockbridge Town Hall Trading Company Limited | Real estate | 2016 |
| Stockbridge View Ltd | Hospitality | 2020 |
| Stockbridge Vintage Club Ltd | Arts & recreation | 2024 |
| Stonefield Park Management | Real estate | 2019 |
| Stonehaven E-Docs Ltd | Extraterritorial | 2015 |
| Stourborne Consulting Ltd | Professional & scientific | 2024 |
| Streamoulding Ltd | Manufacturing | 2023 |
| Studio Form/Content Ltd | Professional & scientific | 2020 |
| Studiothree Group Ltd | Professional & scientific | 2023 |
| Sunrise Farming Ltd | Agriculture & fishing | 2024 |
| Supertogether Limited | Extraterritorial | 2013 |
| Suraflow Limited | Transport & logistics | 2003 |
| Suriva Ltd | Wholesale & retail | 2023 |
| Sydmondstan Holdings Limited | Financial services | 2026 |
| Sydmondstan Landco Limited | Financial services | 2026 |
| Symcon Defence & Security Limited | Information & communication | 2017 |
| T H Property Limited | Professional & scientific | 2001 |
| T Minter & J Evans Limited Liability Partnership | | 2006 |
| Techniclean Supply T/A Blake & White Ltd | Wholesale & retail | 2010 |
| Test Valley Arts Foundation Limited | Arts & recreation | 1991 |
| Test Valley Farm Ltd | Agriculture & fishing | 2019 |
| THE Barber Shop Stockbridge Limited | Other services | 2018 |
| THE Beverage Company Limited | Administrative & support | 1972 |
| THE Boot Inn (Houghton) Limited | Hospitality | 2011 |
| THE Brazen Butchers Ltd | Wholesale & retail | 2018 |
| THE Copper Barn Hair & Wellness Ltd | Other services | 2025 |
| THE Curious Chef Catering Company Ltd | Hospitality | 2026 |
| THE Ecology Store Ltd | Wholesale & retail | 2024 |
| THE Haywoods Group Limited | Real estate | 2009 |
| THE Hildon Foundation | Administrative & support | 2000 |
| THE Nutritional Organic Food Co Ltd. | Wholesale & retail | 2012 |
| THE OWL and the Pussycat Stockbridge Ltd | Wholesale & retail | 2019 |
| THE Padel Court Company Limited | Arts & recreation | 2016 |
| THE Pumping Division Limited | Manufacturing | 2025 |
| THE Rusted Garden Limited | Manufacturing | 2023 |
| THE Shires Management Company Limited | Real estate | 2001 |
| THE Sombornes' Pre-School | Education | 2011 |
| THE Stock Kitchen Ltd | Wholesale & retail | 2020 |
| THE Strand Consultancy Ltd | Professional & scientific | 2023 |
| THE Three Cups Inn Limited | Hospitality | 2003 |
| THE Windsor Tea and Coffee Company Limited | Professional & scientific | 1994 |
| Theory Made Easy Ltd | Education | 2025 |
| Thirteen Jamaica Park Limited | Real estate | 1984 |
| Thirteen Thirty Limited | Professional & scientific | 2017 |
| Tiebridge Farm Ltd | Real estate | 2012 |
| TIN House Studio LLP | | 2018 |
| TJ Brews Ltd | Manufacturing | 2023 |
| Tn-S Projects Limited | Construction | 2026 |
| Tompion Capital Ltd | Professional & scientific | 2023 |
| Top Flight Football Ltd | Professional & scientific | 2016 |