| Swish Athletic Ltd | Information & communication | 2017 |
| Switch My Car Ltd | Wholesale & retail | 2020 |
| Switch My JOB Ltd | Administrative & support | 2025 |
| Syborg Enterprise Ltd | Information & communication | 2018 |
| Sybridge Investments Limited | Extraterritorial | 2020 |
| Syed Goods Limited | Wholesale & retail | 2025 |
| Syed Sajjad Enterprises Ltd | Wholesale & retail | 2024 |
| Syed Sardar Limited | Wholesale & retail | 2026 |
| Sygnius Estates Ltd | Real estate | 2023 |
| Sylvanaire Limited | Real estate | 1977 |
| Sympatec Limited | Professional & scientific | 1998 |
| Syms Transport Ltd | Transport & logistics | 2021 |
| Sync Sisters Ltd | Other services | 2024 |
| Synergair Limited | Professional & scientific | 2004 |
| Synergetics UK PVT Ltd. | Health & social care | 2019 |
| Synergetix Training Ltd | Arts & recreation | 2024 |
| Synergy Multi-Trade Limited | Administrative & support | 2020 |
| Sypha Family Solutions Ltd | Health & social care | 2026 |
| System Code Solutions Ltd | Administrative & support | 2011 |
| System Electrical Supplies Limited | Wholesale & retail | 2017 |
| Systemik Professional Limited | Extraterritorial | 2017 |
| Syzygy Group Ltd | Transport & logistics | 2025 |
| T & C Transport Limited | Transport & logistics | 2001 |
| T & G Trading Limited | Administrative & support | 2006 |
| T & J C Property Developments Limited | Construction | 2025 |
| T & R Clothing Limited | Wholesale & retail | 2016 |
| T J Sanderson Ltd | Hospitality | 2024 |
| T M Bennett & SON Limited | Wholesale & retail | 2006 |
| T S H Garden Machinery Ltd | Other services | 2022 |
| T Waller Electrical Services Ltd | Construction | 2020 |
| T&A Steel Erecting Limited | Construction | 2022 |
| T&M Estates Ltd | Real estate | 2020 |
| T.M.L. Leisure Ltd | Real estate | 2015 |
| T.R.Steel Erection Ltd | Construction | 2017 |
| T4GM Ltd | Other services | 2008 |
| TAA NW Properties Ltd | Real estate | 2026 |
| Taaimir Consultancy Limited | Professional & scientific | 2024 |
| Tadp Ltd | Hospitality | 2023 |
| Tagg Property Development Limited | Real estate | 2021 |
| Tailor-Grade Tutoring Ltd | Education | 2024 |
| Tailored Tax Ltd | Professional & scientific | 2025 |
| Tailormade Alternative Investments Limited | Professional & scientific | 2010 |
| Tailors of Deansgate Ltd | Manufacturing | 2017 |
| Taka Taka MAM Limited | Hospitality | 2021 |
| Take a Break Services Limited | Hospitality | 2021 |
| Talatech Limited | Manufacturing | 2005 |
| Talbmat Limited | Health & social care | 2024 |
| Talray Ltd | Hospitality | 2023 |
| Tamonten Limited | Hospitality | 2025 |
| Tamstar Limited | Wholesale & retail | 2010 |
| Tandem Minds Ltd | Information & communication | 2018 |
| Tansey's Properties Ltd | Real estate | 2024 |
| Tanzy Property Ltd | Real estate | 2023 |
| Tanzy’S Group Bury Ltd | Real estate | 2026 |
| Tappers & Pointers Dancewear Ltd | Wholesale & retail | 2003 |
| Tara Engineering Solutions Ltd | Professional & scientific | 2025 |
| Taracom Limited | Wholesale & retail | 2021 |
| Taran Kumar Ltd | Health & social care | 2015 |
| Tarbot Limited | Extraterritorial | 2026 |
| Tarver Projects Limited | Administrative & support | 2015 |
| Tasmia Burger House Limited | Hospitality | 2025 |
| Taste Hospitality Recruitment Limited | Administrative & support | 2008 |
| Taste IT 2 Ltd | Wholesale & retail | 2024 |
| Taste of India (Bury) Ltd | Hospitality | 2022 |
| Taughtly Ltd | Education | 2024 |
| Taurus Nova Express Ltd | Wholesale & retail | 2026 |
| Taurus Sales & Marketing Ltd | Wholesale & retail | 2020 |
| Tax Plus (Properties) Ltd | Real estate | 2024 |
| Tax Plus Bolton Limited | Administrative & support | 2021 |
| Tax Plus Ltd | Administrative & support | 2017 |
| Taxipal Ltd | Information & communication | 2026 |
| Taxright Limited | Financial services | 1991 |
| Taxtech Accountancy Consultations Limited | Professional & scientific | 2026 |
| Taylor Christie Limited | Information & communication | 2021 |
| Taylor Made Fabrications NW Ltd | Manufacturing | 2020 |
| TBA Motors Ltd | Wholesale & retail | 2022 |
| TCB Living Ltd | Real estate | 2025 |
| TCC Bury Ltd | Wholesale & retail | 2026 |
| TCR Supplies Limited | Wholesale & retail | 2014 |
| Tdhg @ BFC2019 Ltd | Hospitality | 2024 |
| Tdprice Ltd | Transport & logistics | 2025 |
| Tea&Candy Ltd | Manufacturing | 2022 |
| Teach English Global Ltd | Administrative & support | 2020 |
| Teach Learn Succeed Ltd | Education | 2022 |
| Teale Growth Partners Ltd | Professional & scientific | 2024 |
| Team Oxygenaddict Ltd | Arts & recreation | 2016 |
| Team Pursue Ltd | Administrative & support | 2024 |
| Tech Clinic Ltd | Wholesale & retail | 2022 |
| Tech Know IT Ltd | Information & communication | 2021 |
| Tech Savvy Solutions Ltd | Information & communication | 2016 |
| Tech:D Ltd | Professional & scientific | 2009 |
| Techmade Software Solutions Ltd | Information & communication | 2023 |
| Techmove Distribution Limited | Wholesale & retail | 2025 |
| Technical Solutions Direct Ltd | Professional & scientific | 2019 |
| Techtalent Academy Ltd | Information & communication | 2019 |
| Tecvac Limited | Extraterritorial | 2014 |
| Teejoy UK Limited | Financial services | 2016 |
| Teeny Treasures Ltd | Wholesale & retail | 2025 |
| Tekvanta Global Ltd | Administrative & support | 2026 |
| Telemedia Technology Limited | Professional & scientific | 2019 |