| Stemm Innovation Limited | Professional & scientific | 2016 |
| Stenick Catering Limited | Hospitality | 2008 |
| Stephanies Skincare (Paignton) Ltd | Other services | 2020 |
| Stephen Hill Web Promotion Limited | Information & communication | 2010 |
| Stephen P. Wales Limited | Wholesale & retail | 2005 |
| Stephie & Stefna Property Ltd | Real estate | 2024 |
| Stepping Away From Care (Safca) Ltd | Health & social care | 2018 |
| Steve Bryan Developments Limited | Construction | 2004 |
| Steve Myers Limited | Arts & recreation | 2016 |
| Steve Partridge Limited | Agriculture & fishing | 2012 |
| Stewart Wines Limited | Wholesale & retail | 2005 |
| Stingray Construction Ltd | Construction | 2025 |
| Stock Limited | Real estate | 1984 |
| Stoke Gabriel & Torbay Football Club Ltd | Arts & recreation | 2023 |
| Stop Addict System Limited | Real estate | 2020 |
| Store Store 24 Limited | Real estate | 2026 |
| Strathearn Drive RTM Company Limited | Households | 2020 |
| Strider Solutions Limited | Information & communication | 2010 |
| Strides Leisure Limited | Hospitality | 2004 |
| STU Studios Ltd | Information & communication | 2020 |
| Studio 40H Ltd | Information & communication | 2014 |
| Style N Stitch Limited | Wholesale & retail | 2024 |
| Sudaco Limited | Financial services | 2018 |
| Summerdyne Management Limited | Households | 2016 |
| Summersfield Court (Paignton) Limited | Households | 1977 |
| Summersrand Group Limited | Construction | 2025 |
| Sunbury Court Ltd | Real estate | 2002 |
| Sundial Lodge Limited | Health & social care | 1985 |
| Sunleigh Management Company Limited | Households | 2002 |
| Sunningdale Torbay Limited | Hospitality | 2013 |
| Sunnyhill Apartments Management Company Limited | Households | 2002 |
| Sunnyhill Management Company Limited | Households | 2002 |
| Sunnyland Management Limited | Real estate | 1985 |
| Sunseeker Torquay Limited | Wholesale & retail | 2010 |
| Sunset Villa Limited | Real estate | 2015 |
| Supad Ltd | Real estate | 2026 |
| Super SUB (U.K.) Limited | Professional & scientific | 2003 |
| Surefit Windows Southwest Ltd | Extraterritorial | 2019 |
| Surf RTM Company Limited | Households | 2018 |
| Surfnv Ltd | Manufacturing | 2022 |
| Surgicare UK Ltd | Education | 2019 |
| Surgidoc Limited | Wholesale & retail | 2007 |
| Surridge Galleries (Taunton) Limited | Wholesale & retail | 2013 |
| Surridge Galleries Limited | Wholesale & retail | 2012 |
| Surridge Holdings Limited | Professional & scientific | 2013 |
| Sutton Close (Dawlish) Limited | Real estate | 2024 |
| Sutton Heights (Torquay) Management Company Limited | Households | 1989 |
| Swan Street Gardens Ltd | Hospitality | 2023 |
| Sweep Safe Ltd | Other services | 2018 |
| Swift Installations (South West) Limited | Construction | 2002 |
| Swiftlogic Limited | Construction | 2010 |
| Swim Torquay Limited | Arts & recreation | 1975 |
| Swisco Limited | Water & waste | 2019 |
| Sylhet Food TQ1 Limited | Hospitality | 2023 |
| Sylvain Tonnellier Prestation Limited | Construction | 2001 |
| Sylvix Ltd | Professional & scientific | 2026 |
| Symbiosis Music Limited | Information & communication | 2002 |
| Synergise Recruitment Solutions Ltd | Administrative & support | 2023 |
| Synergy Electrical and Security Specialists Limited | Administrative & support | 2010 |
| T & I Stockman Holdings Limited | Financial services | 2017 |
| T & I Stockman Properties Limited | Financial services | 2017 |
| T & M Grand Central Ltd | Hospitality | 2011 |
| T Bryant Builders Limited | Construction | 2002 |
| T D B Logistics Ltd | Transport & logistics | 2022 |
| T.B.C. Residents' Association (Brixham) Limited | Households | 1983 |
| T.B.G.S. Charitable Trust | Education | 1995 |
| T.F.Adams Properties,Limited | Real estate | 1951 |
| T.M.H. (Totnes) Limited | Real estate | 1987 |
| TAB Mortgages Ltd | Financial services | 2015 |
| Tacon Pascal Distribution Limited | Administrative & support | 2012 |
| Tails & Chains Ltd | Wholesale & retail | 2025 |
| Tait Management Limited | Financial services | 2022 |
| Takeaway Revolution Ltd | Information & communication | 2026 |
| Tallon Consultancy Services Limited | Administrative & support | 2014 |
| Tallon Control Solutions Limited | Administrative & support | 2009 |
| Talvenydh Court Management Company Limited | Households | 2003 |
| TAM ANH Ltd | Other services | 2025 |
| Tamar UK Finance Limited | Administrative & support | 2000 |
| Tamwade Leasing Limited | Professional & scientific | 1981 |
| Tanblan Ltd | Wholesale & retail | 2020 |
| TAP Plumbing Ltd | Construction | 2025 |
| Tapsox Limited | Health & social care | 2011 |
| Tarka Investigations Limited | Administrative & support | 2026 |
| Tasty Table Ltd | Hospitality | 2025 |
| Taurmore Investments Limited | Financial services | 2025 |
| Taxi Direct Insurance Services Limited | Financial services | 2020 |
| Taxi Services Torbay Ltd | Transport & logistics | 2024 |
| Taylor Group (Enterprises) Ltd | Hospitality | 2020 |
| Taylor Group SW Limited | Hospitality | 2020 |
| Taylors (Torbay) Investments Limited | Real estate | 2019 |
| Taylors (Torbay) Limited | Real estate | 2016 |
| Tazilla Limited | Agriculture & fishing | 2012 |
| Tbfc Consultancy Limited | Real estate | 2019 |
| TC Commercials SW Limited | Construction | 2019 |
| Tcpg Lighthouse Limited | Hospitality | 2021 |
| Team PB Ltd | Arts & recreation | 2024 |
| Team Removals & Storage Limited | Transport & logistics | 2021 |
| Teamk Limited | Information & communication | 2012 |
| Tech Imperium Limited | Wholesale & retail | 2020 |
| Tech Touch Ltd | Extraterritorial | 2024 |