| Sweeneys Florist Ltd | Wholesale & retail | 2015 |
| Sweeteria Limited | Wholesale & retail | 2025 |
| Swinnsafe Ltd | Construction | 2021 |
| Swish Fish Aquatics Limited | Wholesale & retail | 2024 |
| SWORDF1J1 Ltd | Real estate | 2024 |
| Sydbrook Properties Ltd | Real estate | 2005 |
| Sylwester K Transport Ltd | Transport & logistics | 2025 |
| Syndesai Ltd | Manufacturing | 2026 |
| Synedrion Music Group Ltd | Information & communication | 2018 |
| Synergy Creator Network Ltd | Information & communication | 2025 |
| T & a Hall and Sons Limited | Construction | 1985 |
| T & J Wignall Limited | Real estate | 1987 |
| T & R Plastics Limited | Construction | 2022 |
| T & T Estate Management Ltd | Real estate | 2009 |
| T & T Furnishings Ltd. | Wholesale & retail | 2022 |
| T and R Bespoke Joinery Ltd | Construction | 2020 |
| T M Building Constructors Limited | Extraterritorial | 2014 |
| T M Cleaning Services Southport Ltd. | Administrative & support | 2013 |
| T M Utley (Offshore) Limited | Manufacturing | 1987 |
| T S LAB Limited | Other services | 2014 |
| T&Bl Cleaning Ltd | Administrative & support | 2020 |
| T&J Mini Market Ltd | Hospitality | 2007 |
| T&S Designs Ltd | Transport & logistics | 2021 |
| T&T Care Limited | Health & social care | 2024 |
| T+T Carpets Limited | Wholesale & retail | 2008 |
| T.L Lappin Developments Ltd | Construction | 2017 |
| T.O.M (Northwest) Limited | Transport & logistics | 2025 |
| T.R.M. International Limited | Manufacturing | 1996 |
| T.R.S. Heat Treatment Services Limited | Construction | 1998 |
| TAB Live Consulting Ltd | Professional & scientific | 2018 |
| Tabletop Toms Ltd | Wholesale & retail | 2024 |
| TAC (Ainsdale) Limited | Hospitality | 2026 |
| Tacklemusic Limited | Education | 2012 |
| Tactical Regulatory Solutions Ltd | Information & communication | 2021 |
| Taitt Construction Ltd | Construction | 2025 |
| TAK BIM Engineering Ltd | Professional & scientific | 2023 |
| Take-U-There Travel Service Limited | Transport & logistics | 2003 |
| Takeitthere Ltd | Transport & logistics | 2023 |
| Takila Limited | Financial services | 2021 |
| Talbot Street Management Limited | Households | 1986 |
| Talita Cumi Ltd | Wholesale & retail | 2014 |
| TAN on Q Ltd | Other services | 2025 |
| Tank Reline Ltd | Construction | 2018 |
| Tannersmith Properties Limited | Financial services | 2011 |
| TAP Room Leisure Limited | Hospitality | 2018 |
| Tapas TOO Limited | Professional & scientific | 2025 |
| Tappers Cafe Bar Ltd | Hospitality | 2019 |
| Tappers Limited | Hospitality | 2019 |
| Target DPC Ltd | Construction | 2025 |
| Tarija Limited | Real estate | 2020 |
| Tarjomi Holdings Limited | Financial services | 2025 |
| Tarleton Domestics Limited | Wholesale & retail | 2002 |
| Tarleton Hair Ltd | Other services | 2025 |
| Tarleton Rufc Developments Limited | Arts & recreation | 2000 |
| Tarleton Rugby Union Football Club Ltd | Arts & recreation | 2021 |
| Tarleton Village Take Away Limited | Hospitality | 2016 |
| Tarleton World of Wines Limited | Wholesale & retail | 2007 |
| Taste of Bengal Burscough Ltd | Hospitality | 2026 |
| Tavernco Ltd | Hospitality | 2026 |
| Tavistock Flat Management Company Limited | Extraterritorial | 1987 |
| Tax Solution Centre Limited | Professional & scientific | 2019 |
| Taylor Foods Limited | Extraterritorial | 1999 |
| Taylor Healthcare (Southport) Limited | Health & social care | 2013 |
| Taylor Holdings North Ltd | Financial services | 2025 |
| Taylor Hunt Limited | Construction | 2024 |
| Taylor James Building Services Ltd | Construction | 2025 |
| Taylor Wood Car Body Repairs Limited | Wholesale & retail | 2026 |
| Tayma Solutions Limited | Information & communication | 2019 |
| Tazza Design Limited | Manufacturing | 1987 |
| TCL Homes Limited | Real estate | 2021 |
| Tclassbuilders Ltd | Construction | 2017 |
| Tcma Ltd | Arts & recreation | 2026 |
| Tcopact Limited | Information & communication | 2014 |
| TCS Experts Ltd | Professional & scientific | 2015 |
| Tdbgroup Ltd | Wholesale & retail | 2020 |
| TDF 3 Limited | Hospitality | 2023 |
| TDF2 Company Limited | Hospitality | 2015 |
| TDS Complete Solutions Ltd | Information & communication | 2023 |
| Tea Symphony Ltd | Hospitality | 2025 |
| Teachlinkuk Limited | Information & communication | 2013 |
| Team 365 Consultancy Services Ltd | Health & social care | 2012 |
| Team Horton Limited | Agriculture & fishing | 2023 |
| Teamster Employment Agency Ltd | Administrative & support | 2024 |
| Teamsters Employment Agency Ltd | Administrative & support | 2024 |
| Techboss Solutions Limited | Information & communication | 2019 |
| Techcore Limited | Transport & logistics | 2011 |
| Techedia Limited | Information & communication | 2013 |
| Techepc Ltd | Administrative & support | 2015 |
| Techwaves Recruitment Ltd | Administrative & support | 2018 |
| Teeps Limited | Health & social care | 2019 |
| Tefa Property Ltd | Real estate | 2025 |
| Tejan Building Services Ltd | Construction | 2014 |
| Telios Education Ltd | Information & communication | 2013 |
| Telsurveys Ltd | Other services | 2019 |
| Templerose Limited | Households | 2024 |
| Tempus Sports Management Ltd | Arts & recreation | 2015 |
| TEN Lancaster RTM Company Limited | Households | 2021 |
| TEN TL Limited | Hospitality | 2026 |
| Tenancywise Ltd | Real estate | 2019 |
| Tequila Southport Ltd | Hospitality | 2021 |