| SY3 Limited | Professional & scientific | 2021 |
| SY35 Ltd | Professional & scientific | 2021 |
| SY5 Consultancy Ltd | Professional & scientific | 2025 |
| Sycamore Place (Clapham) Management Company Limited | Households | 2005 |
| Sydney House Management Limited | Real estate | 1999 |
| Sygneus Ltd | Professional & scientific | 2022 |
| Syke House (Right to Manage) Company Limited | Households | 2008 |
| Sylger Enterprises Limited | Real estate | 1980 |
| Symonds Entertainment Ltd | Hospitality | 2025 |
| Syncr Ltd | Information & communication | 2016 |
| Synqrotech Ltd | Information & communication | 2019 |
| Sysnet Support Limited | Information & communication | 2008 |
| Systemic UK Limited | Manufacturing | 2001 |
| SYT Limited | Administrative & support | 2012 |
| T & J Estates (Shrewsbury) Limited | Real estate | 2025 |
| T & J Supplies Limited | Wholesale & retail | 2002 |
| T & K Weaver Ltd | Real estate | 2024 |
| T & L Fisher Limited | Real estate | 2023 |
| T C & N Taylor Ltd | Agriculture & fishing | 2005 |
| T C Homes Limited | Construction | 1990 |
| T C S (Shropshire) Limited | Transport & logistics | 2003 |
| T D Fisher Carpentry Limited | Manufacturing | 2024 |
| T Evans Plant Hire & Groundworks Ltd | Water & waste | 2016 |
| T H O B Nails Ltd | Other services | 2024 |
| T J Evans and Sons Heritage and Conservation Limited | Construction | 2026 |
| T J Parry and Sons Limited | Wholesale & retail | 2003 |
| T L Poyner Ltd | Professional & scientific | 2011 |
| T M Private Security Ltd | Administrative & support | 2024 |
| T Makam Limited | Health & social care | 2020 |
| T R Downes Ltd | Professional & scientific | 2019 |
| T R Hemming & Sons Limited | Agriculture & fishing | 2014 |
| T S Enterprise WM Ltd | Administrative & support | 2016 |
| T S Fertilisers Limited | Agriculture & fishing | 2003 |
| T&G Building and Developments Limited | Construction | 2022 |
| T&O Tomlins Holdings Ltd | Transport & logistics | 2024 |
| T&T Trans Ltd | Transport & logistics | 2018 |
| T-Req Medtech Limited | Information & communication | 2024 |
| T.A.R.A. Timber Limited | | 1989 |
| T.E.D Builders Limited | Construction | 2015 |
| T.G. & D.M. Jones Limited | Education | 2003 |
| T.G.K. Construction Co. Limited | Construction | 1976 |
| T.O.E Solutions Ltd | Manufacturing | 2001 |
| T.O.Tomlins Limited | Construction | 1960 |
| T.P. Electrical Services Limited | Extraterritorial | 2008 |
| TA Joint Limited | Education | 2025 |
| TAB Fitness Limited | Arts & recreation | 2022 |
| Tabernacle Chapel (Bangor) Management Company Limited | Real estate | 2006 |
| Tabletop Terrain Ltd | Manufacturing | 2018 |
| Tadpole P.R. Limited | Professional & scientific | 2003 |
| TAF Home Improvements Limited | Construction | 2022 |
| Taggisar UK Limited | Professional & scientific | 2018 |
| Tagwell Grange (Droitwich) Management Limited | Households | 2008 |
| Tails & Friends Boutique Ltd | Wholesale & retail | 2025 |
| Taking Part | Health & social care | 2002 |
| Talbot Management Solutions Ltd | Professional & scientific | 2024 |
| Tall Buildings Media Limited | Information & communication | 2022 |
| Tall Trees (East Ardsley) Management Company Limited | Households | 2005 |
| Tall Vale Farms Ltd | Agriculture & fishing | 2023 |
| Tame Village (Tamworth) Management Company Limited | Households | 2007 |
| TAN & Cheng Ltd | Real estate | 2022 |
| Tandem Comms Limited | Professional & scientific | 2018 |
| Tandoori Cottage Limited | Hospitality | 2008 |
| Tanida LAI Ltd | Wholesale & retail | 2014 |
| Tankerville Guest House | | 1984 |
| Tanners Court (Walsall) Management Company Limited | Households | 2003 |
| Tanners Cymru Limited | Wholesale & retail | 1967 |
| Tanners Wines (Holdings) Limited | Professional & scientific | 2022 |
| TAO Jones Limited | Professional & scientific | 2014 |
| TAP & Table Ltd | Hospitality | 2025 |
| TAP and CAN Ltd | Hospitality | 2019 |
| Taptap Sound Limited | Arts & recreation | 2015 |
| Tarek Hammam Limited | Health & social care | 2011 |
| Tariswood Properties Limited | Real estate | 1993 |
| Tartan Otter Group Ltd | Professional & scientific | 2017 |
| TAS Real Estate Ltd | Real estate | 2022 |
| Task Associates (UK) Limited | Information & communication | 1989 |
| Taste of Shrewsbury Ltd | Hospitality | 2026 |
| Tate Cash Property Ltd | Real estate | 2026 |
| Tate Evans Creative Ltd | Administrative & support | 2026 |
| Tattinana’S Ltd | Hospitality | 2025 |
| Tattoo Laser Limited | Other services | 2011 |
| Tattoo YOU Limited | Other services | 2014 |
| Tatty Co Ltd | Wholesale & retail | 2011 |
| Tavern Cross Ltd | Extraterritorial | 2014 |
| Tavistock Management Company Limited(The) | Households | 1982 |
| TAW Homes Ltd | Real estate | 2025 |
| Tawny MFD Ltd | Real estate | 2025 |
| Taxi Services (Shrewsbury) Ltd | Hospitality | 2007 |
| Taxilaw Tax Consultants Limited | Professional & scientific | 2019 |
| Taylor & Co Valuations Ltd | Professional & scientific | 2014 |
| Taylor Brothers (Shrewsbury) Limited | Professional & scientific | 2008 |
| Taylor Business Services Limited | Professional & scientific | 1987 |
| Taylor Creative Spaces Limited | Manufacturing | 2018 |
| Taylors House Residents Association Limited | Households | 2003 |
| Taylors Mechanical Heating & Plumbing Services Limited | Construction | 2006 |
| TB Technik Ltd | Wholesale & retail | 2014 |
| TC Homes (Contracting) Limited | Construction | 2015 |
| TC Homes Office Limited | Real estate | 2018 |
| TCA (Shrewsbury) LLP | | 2010 |
| TCK Property Developments Ltd | Real estate | 2020 |