| Tax Comply Ltd | Information & communication | 2025 |
| Taxcom Accounting Services Ltd | Professional & scientific | 2017 |
| Tecelektric Ltd | Wholesale & retail | 2025 |
| Technical Services North East Limited | Wholesale & retail | 2025 |
| TEEF4U Ltd | Manufacturing | 2021 |
| Tegritec Ltd | Professional & scientific | 2023 |
| Teresa Honeycombhair Ltd | Other services | 2019 |
| TES Refrigeration Ltd | Professional & scientific | 2023 |
| TF Studios Ltd | Information & communication | 2020 |
| TFI Taverns Ltd | Hospitality | 2025 |
| Tgreen Comms Ltd | Information & communication | 2023 |
| Thai Oasis Spa Ltd | Other services | 2024 |
| THE Atkinson Dyeing Company Limited | Manufacturing | 1978 |
| THE Beauty Parlour SW Ltd | Other services | 2023 |
| THE BEE Hub Ltd | Other services | 2025 |
| THE Bold Designers Limited | Extraterritorial | 2023 |
| THE Bridge Properties (BPI) Limited | Real estate | 2025 |
| THE Cahm Collective Ltd | Wholesale & retail | 2020 |
| THE Chris Martin Partnership Limited | Real estate | 2009 |
| THE Clean Company Services Ltd | Administrative & support | 2024 |
| THE Clothing Outlet Limited | Wholesale & retail | 2006 |
| THE Conservatory Insulation Company Limited | Construction | 2021 |
| THE Deep Clean Team Limited | Administrative & support | 2026 |
| THE EYE Clinic (Huddersfield) Ltd | Health & social care | 2016 |
| THE Farsley Cricket and Bowling Club Company, Limited | Arts & recreation | 1912 |
| THE Floor Guys Ltd | Wholesale & retail | 2022 |
| THE Gables Surgery Limited | Real estate | 2014 |
| THE Garden People (Bradford) Limited | Administrative & support | 2021 |
| THE Gate Garden & Maintenance Services Limited | Other services | 2023 |
| THE Grand Strategium Ltd | Wholesale & retail | 2023 |
| THE Green Futures Initiative Limited | Manufacturing | 2011 |
| THE Hairdeck Ltd | Administrative & support | 2018 |
| THE Indian Curry Cardinal Group Ltd | Hospitality | 2020 |
| THE Inspire Co-Operative Learning Trust | Education | 2012 |
| THE Jewellery School (Yorkshire) Limited | Education | 2026 |
| THE Joyful Bean Collective Ltd | Hospitality | 2025 |
| THE Kids Club Calverley Ltd | Health & social care | 2024 |
| THE Legal Umbrella Limited | Professional & scientific | 2019 |
| THE Mill Carpets and Flooring (Leeds) Limited | Wholesale & retail | 2017 |
| THE Missing Link Ltd | Health & social care | 2011 |
| THE Music Box Yorkshire CIC | Arts & recreation | 2021 |
| THE Mutz Nutz Professional Dog Grooming Limited | Other services | 2018 |
| THE Neurodiverse Museum CIC | Arts & recreation | 2023 |
| THE Nowell Empire Limited | Real estate | 2020 |
| THE Old Mill Yeadon Management Company Limited | Households | 2022 |
| THE Oxford Physiotherapy Service Limited | Health & social care | 2012 |
| THE Paint Shop Leeds Ltd | Wholesale & retail | 2018 |
| THE Palmer Horticultural Group Limited | Financial services | 2022 |
| THE Pointe Residents Management Company Limited | Households | 2024 |
| THE Property Collection (SA) Limited | Real estate | 2018 |
| THE QCC Consultancy Ltd | Professional & scientific | 2023 |
| THE Rachna Hub CIC | Education | 2021 |
| THE Safety Consultants Company Limited | Professional & scientific | 2016 |
| THE Sanderson Associates Ltd | Professional & scientific | 2024 |
| THE Secret Garden Dog Park Ltd | Arts & recreation | 2023 |
| THE Spxce Corporate Limited | Other services | 2024 |
| THE Squeaker Limited | Information & communication | 2015 |
| THE Vapor Master Ltd | Wholesale & retail | 2025 |
| Theglobalcompanion Ltd | Information & communication | 2021 |
| Theluckydip Ltd | Arts & recreation | 2025 |
| Therapy by Emma Ltd | Health & social care | 2025 |
| Thermasurv Ltd | Other services | 2023 |
| Thesanta Company Ltd | Wholesale & retail | 2024 |
| Thetukshop Limited | Hospitality | 2020 |
| Thisishel. Ltd | Professional & scientific | 2014 |
| Thistl Ltd | Information & communication | 2025 |
| Thomas J Love Company Limited | Professional & scientific | 2017 |
| Thornbury House Management Company Limited | Extraterritorial | 2012 |
| Thorne Medical Aesthetics Limited | Other services | 2025 |
| Thornhill Financial Ltd | Financial services | 2024 |
| Thornhill Solutions Ltd. | Financial services | 2010 |
| Thousand Years Limited | Information & communication | 2020 |
| Threads Retail Ltd | Wholesale & retail | 2024 |
| Three Clicks Consultancy Ltd | Professional & scientific | 2022 |
| Three Leeds City Office Park Ltd | Construction | 2024 |
| Ticketwave HQ Ltd | Information & communication | 2026 |
| Tidal Accounting Limited | Professional & scientific | 2021 |
| Tidal Recruitment Limited | Administrative & support | 2021 |
| Tieva Limited | Professional & scientific | 2015 |
| Tigerfx Limited | Financial services | 2018 |
| Tiles Hub Ltd | Construction | 2020 |
| Tisme Limited | Information & communication | 2015 |
| TLC Maintenance Services Ltd | Construction | 2023 |
| TLC Medical Centre LLP | | 2007 |
| TLS Social Care Ltd | Administrative & support | 2023 |
| TND Electrical Ltd | Construction | 2019 |
| Toddler Town Daycare Ltd | Health & social care | 2019 |
| Tofts Electrical Ltd | Construction | 2018 |
| TOM Hodgson Limited | Arts & recreation | 2003 |
| Tomlinson's Farm Shop Limited | Wholesale & retail | 2014 |
| Tomorrows Office Limited | Professional & scientific | 1988 |
| Toor Management Ltd | Households | 2019 |
| Toore Ltd | Real estate | 2024 |
| Top Notch Telecoms Ltd | Construction | 2026 |
| Total Brands Limited | Wholesale & retail | 2019 |
| Total Climbing Services Limited | Arts & recreation | 2013 |
| Totalsite Maintenance Services Limited | Construction | 2026 |
| Touqir Rafiq Limited | Health & social care | 2009 |
| Tower Street Management Company (1989) Limited | Households | 1989 |
| Town Flooring Ltd | Wholesale & retail | 2024 |