| Switched on Electrical Installations Ltd | Construction | 2015 |
| SY Invest Ltd | Real estate | 2017 |
| Sycamore Accounting Ltd | Professional & scientific | 2021 |
| Sycamore Therapeutic Services Limited | Health & social care | 2024 |
| Sydo IT Services Ltd | Information & communication | 2021 |
| Systemes ET Telecommunications Ltd | Public administration | 2013 |
| T & M Volts Limited | Administrative & support | 2016 |
| T Bear Holdings Limited | Real estate | 2015 |
| T Gibson Contracting Ltd | Agriculture & fishing | 2025 |
| T H & Sons Building Services Limited | Construction | 2024 |
| T.I.B. Accountancy Services Limited | Professional & scientific | 1999 |
| T.I.B. Legal Services Limited | Professional & scientific | 2000 |
| T.I.B. Limited | Professional & scientific | 2007 |
| T.I.B. Nominees Limited | Professional & scientific | 1999 |
| T.I.B. Secretaries Limited | Professional & scientific | 1999 |
| T2G Limited | Professional & scientific | 2016 |
| TA Space Ltd | Education | 2026 |
| Talentwelt Limited | Administrative & support | 2014 |
| Talk + Business Limited | Financial services | 2006 |
| TAPP4U Ltd | Hospitality | 2024 |
| Tappinos Limited | Hospitality | 2017 |
| Tarantino+ Ltd | Hospitality | 2020 |
| Taste Cafe Bar Ltd | Hospitality | 2022 |
| Tatashen Ltd | Wholesale & retail | 2025 |
| Tavirno Limited | Real estate | 1978 |
| Taycan Properties Ltd | Real estate | 2026 |
| Tcglife Ltd | Wholesale & retail | 2022 |
| Team YOU Development Ltd | Education | 2020 |
| Tech 26 Consultancy Ltd | Information & communication | 2025 |
| Techiecoms Ltd | Information & communication | 2025 |
| Technical Services (UK) Limited | Professional & scientific | 1986 |
| Temple Properties Ltd | Real estate | 2025 |
| Terrier Antiques Limited | Wholesale & retail | 2013 |
| Test Instrument Calibrations Limited | Wholesale & retail | 2009 |
| Test Instrument Solutions Limited | Wholesale & retail | 2006 |
| TG Plumbing Services Limited | Construction | 2023 |
| THE Andrew Wainwright Reform Trust Limited | Other services | 1991 |
| THE Arches Dean Clough Limited | Hospitality | 2015 |
| THE Arty Parties Limited | Other services | 2020 |
| THE Barking MAD Spa Ltd | Other services | 2025 |
| THE Bay Horse (Otley) Limited | Hospitality | 2019 |
| THE Brick BIN Limited | Extraterritorial | 2021 |
| THE Caledonian Claymore Hotel Ltd | Hospitality | 2023 |
| THE Consulting With Numbers Group Limited | Professional & scientific | 2025 |
| THE Cottage of Bargains Limited | Wholesale & retail | 2026 |
| THE Cove (Brighouse) Ltd | Hospitality | 2021 |
| THE Dales Community Services CIC | Other services | 2021 |
| THE Dog and Quaile Limited | Hospitality | 2015 |
| THE Feathered Serpent Limited | Wholesale & retail | 2018 |
| THE Federation of Sports and Play Associations Limited | Other services | 1926 |
| THE Fibreoptic Industry Association Limited | Other services | 1992 |
| THE Formation Bureau Limited | Professional & scientific | 2000 |
| THE FOX & Hounds (Langthorpe) Ltd | Hospitality | 2015 |
| THE Glamoury Ltd | Other services | 2020 |
| THE Global Resilience Foundation | Health & social care | 2026 |
| THE Glorious Garden Company (Yorkshire) Limited | Administrative & support | 2015 |
| THE Grazing Guys Ltd | Hospitality | 2022 |
| THE Harmony Clinic Leeds Ltd | Other services | 2018 |
| THE Howarth Foundation | Other services | 2016 |
| THE Information Bureau Limited | Administrative & support | 1999 |
| THE Krypt Cleckheaton Ltd | Arts & recreation | 2024 |
| THE Krypt Crimson Ltd | Information & communication | 2025 |
| THE Lawrences Events and Catering Ltd | Hospitality | 2025 |
| THE Little Red Bench Ltd | Manufacturing | 2025 |
| THE Lium Group Limited | Health & social care | 2023 |
| THE Loft (Cleckheaton) Limited | Hospitality | 2022 |
| THE Malt Cleckheaton Ltd | Hospitality | 2026 |
| THE Mill Bar (Cleckheaton) Limited | Hospitality | 2018 |
| THE Monal by Jalwa Ltd | Hospitality | 2024 |
| THE Nerd Corner Ltd | Wholesale & retail | 2026 |
| THE Old Linen Rooms Limited | Real estate | 2025 |
| THE One Stop Baby Shop Limited | Wholesale & retail | 2026 |
| THE PEG & Basket Limited | Other services | 2009 |
| THE Private Lounge Ltd | Administrative & support | 2026 |
| THE Project Coach Limited | Professional & scientific | 2025 |
| THE Reindeer Inn (Overton) Limited | Hospitality | 2011 |
| THE Retail Service Limited | Other services | 2023 |
| THE Revivist Collection Ltd | Financial services | 2021 |
| THE Revivist Ltd | Wholesale & retail | 2014 |
| THE RUG & Table Shop Ltd | Wholesale & retail | 2019 |
| THE Science and Information (SAI) Organi Zation Limited | Education | 2014 |
| THE Signhouse.Com Limited | Extraterritorial | 2005 |
| THE SIM Club Northampton Ltd | Education | 2026 |
| THE Sunflower Deli Limited | Hospitality | 2025 |
| THE Taste Coffee Shop Ltd | Hospitality | 2019 |
| THE Wharncliffe Sporting Club Limited | Arts & recreation | 2024 |
| THE Wickham Arms Hotel Ltd | Households | 2025 |
| THE Woodlands (Scholes) Management Company Limited | Households | 2023 |
| THE Workshop and Loft Limited | Hospitality | 2021 |
| THE Wright Imports and Exports Limited | Wholesale & retail | 2023 |
| Theficommunity Ltd | Wholesale & retail | 2024 |
| Thermelec Solutions Ltd | Administrative & support | 2017 |
| Thermilate Technologies Ltd | Manufacturing | 2021 |
| Thomas Crown Investments (Worldwide) Limited | Wholesale & retail | 2014 |
| Thomas Properties Yorkshire Ltd | Real estate | 2025 |
| Thomasson Property Services Ltd | Real estate | 2023 |
| Thoresby Electrical & Controls Limited | Construction | 2025 |
| Thrive in Mind Ltd | Health & social care | 2021 |
| Thunder and Lightning Films Limited | Information & communication | 2014 |
| Thurcroft Engineering Ltd | Manufacturing | 2017 |