| Seth Investment Properties Ltd | Real estate | 2025 |
| Setstage Event Construction Ltd | Arts & recreation | 2024 |
| Seven Sport Ltd | Arts & recreation | 2001 |
| SH Safeguarding Ltd | Education | 2019 |
| SHA NI MA Limited | Health & social care | 2011 |
| Shears Development Co Ltd | Real estate | 2024 |
| Shibden Private Assets Limited | Financial services | 2022 |
| Shipley Lifts Ltd | Construction | 2022 |
| Signar Studios Ltd | Information & communication | 2024 |
| Silvieybeck Trading Ltd | Wholesale & retail | 2023 |
| Simply Golf Ltd | Arts & recreation | 2026 |
| Sinead Simpson Ltd | Other services | 2023 |
| Smith Butler Ltd | Professional & scientific | 2004 |
| Smith Butler Property Management Limited | Real estate | 2009 |
| Soft Kitty Clothing Limited | Wholesale & retail | 2015 |
| Sompith Ltd | Hospitality | 2019 |
| Sounds of Divinity CIC | Arts & recreation | 2025 |
| Sparta Systems Limited | Construction | 2011 |
| Specky 4 Eyes Limited | Wholesale & retail | 2012 |
| Specky Holdings Limited | Wholesale & retail | 2012 |
| Speckyfoureyes Ltd | Wholesale & retail | 2005 |
| SRG Health & Fitness Ltd | Arts & recreation | 2023 |
| Subrosa Limited | Administrative & support | 2016 |
| Swift Investments (Real Estates) Ltd | Real estate | 2006 |
| SYL Consultancy Limited | Information & communication | 2002 |
| T Mistry Ltd | Health & social care | 2020 |
| TAG Search and Select Ltd | Administrative & support | 2012 |
| Taglione Assets Ltd | Real estate | 2025 |
| Taglione Investments Group Ltd | Financial services | 2025 |
| Tailor Made Sofas & Chairs Limited | Manufacturing | 2003 |
| TE Property Services Ltd | Real estate | 2024 |
| Technical Security Services Ltd | Administrative & support | 2017 |
| TEL Landscape Architects Limited | Administrative & support | 2019 |
| TGS Trading Ltd | Wholesale & retail | 2023 |
| TGS Yorkshire Properties Ltd | Real estate | 2025 |
| THE Best Brew Crew Ltd | Hospitality | 2019 |
| THE Bradford Police Museum Limited | Education | 2011 |
| THE Computer Bureau Limited | Information & communication | 2025 |
| THE Emperor Bar Ltd | Hospitality | 2023 |
| THE Franklyn Management Company (Ilkley) Limited | Administrative & support | 2012 |
| THE Gold Shop Trading Ltd | Financial services | 2025 |
| THE Northern Tile Co. Ltd | Wholesale & retail | 2023 |
| THE Premium Tools Group Limited | Financial services | 2018 |
| THE Source Technical Ltd | Administrative & support | 2021 |
| THE Wilder Wood Club CIC | Education | 2025 |
| Theculturexchange Limited | Education | 2020 |
| Three Automotive Ltd | Wholesale & retail | 2019 |
| TIM Nelson Limited | Real estate | 2006 |
| Time Talks Ltd | Education | 2008 |
| TJP Consults Limited | Professional & scientific | 2022 |
| TLC Moorhouse Ltd | Financial services | 2024 |
| TLC Retail Limited | Wholesale & retail | 2017 |
| Toban Engineering UK Limited | Manufacturing | 2008 |
| Tommy Transport Ltd | Transport & logistics | 2025 |
| Tonpoint Ltd | Extraterritorial | 2026 |
| Top Shelf Limited | Arts & recreation | 2024 |
| Torque & Tread Motorcycles Ltd | Wholesale & retail | 2025 |
| Total Osteopathy Ltd | Health & social care | 2017 |
| Trade Price Turf & Topsoil Ltd | Wholesale & retail | 2018 |
| Triple J Investments Ltd | Hospitality | 2018 |
| Trsj Properties Limited | Real estate | 2026 |
| Trueblu Limited | Construction | 2026 |
| Turner Mitchell Properties Ltd | Real estate | 2021 |
| TY10 Ltd | Financial services | 2025 |
| Ubimob Ltd | Information & communication | 2021 |
| UK Envelope Centre Limited | Manufacturing | 2012 |
| UK Heat Source Ltd | Wholesale & retail | 2019 |
| Valentis Advisory Ltd | Professional & scientific | 2018 |
| Valentis Group Ltd | Financial services | 2023 |
| Valentis Transformation Ltd | Professional & scientific | 2023 |
| Valet X Limited | Administrative & support | 2025 |
| Vantis Solutions Ltd | Information & communication | 2026 |
| Velocity Primary Services Limited | Arts & recreation | 2019 |
| VSS Engineering (UK) Ltd | Administrative & support | 2011 |
| Wade Vision Limited | Professional & scientific | 2010 |
| Weldegabriel Industries FM Limited | Real estate | 2026 |
| West Yorkshire Landscapes Limited | Administrative & support | 2007 |
| Westside Business Solutions Limited | Professional & scientific | 2015 |
| Wharfedale Lets Ltd | Real estate | 2020 |
| Whitham Mending Limited | Manufacturing | 2021 |
| Wild Construction Ltd | Construction | 2018 |
| Winbury Ltd | Real estate | 2018 |
| Windscreen Services Yorkshire Ltd | Wholesale & retail | 2016 |
| Wingtex Limited | Administrative & support | 2010 |
| Workspace Interior Solutions Limited | Construction | 2004 |
| WR Construction Limited | Construction | 2023 |
| Wright Financial Planning Matters Ltd | Financial services | 2016 |
| WW Estate Agents (Wibsey) Ltd | Real estate | 2018 |
| WW Estate Agents Lettings Ltd | Real estate | 2015 |
| WW Estates (Baildon) Ltd | Real estate | 2025 |
| WW Estates (Bolton Junction) Limited | Real estate | 2009 |
| Y-Commercial Technologies Limited | Financial services | 2017 |
| Yorkshire ATV Limited | Wholesale & retail | 2020 |
| Yorkshire Capital Group Ltd | Financial services | 2025 |
| Yorkshire Home Buyers Limited | Real estate | 2024 |
| Yorkshire Renderworks Ltd | Construction | 2024 |
| Your New Smile (Clinics) Ltd | Health & social care | 2022 |
| YTV Ltd | Real estate | 2023 |
| Zenlis Ltd | Other services | 2015 |
| Zest for Tech Ltd | Administrative & support | 2021 |