| THE Ryburne Window Company Limited | Construction | 2007 |
| THE Safe Deposit Centre Ltd | Public administration | 2023 |
| THE Shay Cafe Ltd | Hospitality | 2026 |
| THE Shibden Limited | Hospitality | 2019 |
| THE Shree Sairam Company Limited | Wholesale & retail | 2005 |
| THE Silk Mill (Ripponden) Limited | Wholesale & retail | 2010 |
| THE Simbles Ltd | Professional & scientific | 2026 |
| THE Skinpod Ltd | Other services | 2020 |
| THE Smash Laboratory Ltd | Hospitality | 2026 |
| THE Southwood Club Ltd. | Other services | 1985 |
| THE Specs Digital Company Limited | Professional & scientific | 2026 |
| THE Spinal Sanctuary Ltd | Health & social care | 2017 |
| THE Spinning Top Day Nursery Ltd | Health & social care | 2025 |
| THE Spinning Top Limited | Health & social care | 2021 |
| THE Stadium Food Company Ltd | Hospitality | 2025 |
| THE Stump Cross Indian Ltd | Hospitality | 2025 |
| THE Sunday Table Collective Ltd | Professional & scientific | 2025 |
| THE Supper Club Private Dining Limited | Hospitality | 2019 |
| THE Therapeutic & Somatic Therapist Ltd | Other services | 2025 |
| THE TOE Joint Limited | Health & social care | 2005 |
| THE TVN Expert Witness Limited | Professional & scientific | 2019 |
| THE Tweakment Clinic Ltd | Health & social care | 2021 |
| THE Uniform Shop Halifax Ltd | Wholesale & retail | 2025 |
| THE Vale Physiotherapy Limited | Health & social care | 2025 |
| THE Vault-Ltc Limited | Wholesale & retail | 2025 |
| THE Venue Kitchen Ltd | Hospitality | 2020 |
| THE Victorian PUB Company Ltd | Hospitality | 2014 |
| THE Village Pantry (Halifax) Ltd | Hospitality | 2025 |
| THE Wine Barrel Group Limited | Hospitality | 2018 |
| THE Woodman Furniture Limited | Construction | 2021 |
| THE Woof Pack Ltd. | Other services | 2018 |
| THE Yorkshire Chair Ltd | Other services | 2018 |
| THE Yorkshire Hotel Harrogate Ltd | Hospitality | 2017 |
| THE Yorkshire Mortgage Company Limited | Financial services | 1999 |
| THE5GROUP Ltd | Other services | 2026 |
| Theateamresininstall Ltd | Construction | 2026 |
| Theatrical Adventures Limited | Administrative & support | 2010 |
| Theatrical Journeys Ltd | Administrative & support | 2018 |
| THEBROTHERS786 Ltd | Wholesale & retail | 2023 |
| Thecherryontop Ltd | Other services | 2026 |
| Thecosyclub Ltd. | Wholesale & retail | 2024 |
| Thehussi Ltd | Wholesale & retail | 2023 |
| Theos Catering Ltd | Wholesale & retail | 2019 |
| Theo’S Greek Food (Mediterranen) Limited | Hospitality | 2025 |
| Therapy Barn Springfield Ltd | Professional & scientific | 2023 |
| Theta Medica Limited | Health & social care | 2012 |
| Thetechspert Ltd | Information & communication | 2022 |
| Thetransporteruk Ltd | Wholesale & retail | 2012 |
| Think Photon Limited | Information & communication | 2013 |
| Thiqaa Ltd | Wholesale & retail | 2021 |
| Thirstin Mill Management Company Ltd | Households | 2023 |
| THOL93 Ltd | Wholesale & retail | 2025 |
| Thomas Booth Ltd | Construction | 2018 |
| Thor Homecare Limited | Construction | 2006 |
| Thorne Property BSL Limited | Real estate | 2026 |
| Thornhill Road Investments Limited | Financial services | 2026 |
| Thornton Breakers Limited | Wholesale & retail | 2015 |
| Thornton Meat Company Limited | Real estate | 2003 |
| Thoroughbred Properties Limited | Real estate | 2000 |
| Thorpe's LGV & PCV Training Ltd | Education | 2022 |
| Three Parameters and NO Exceptions Limited | Information & communication | 2024 |
| Thrive Mortgage and Protection Ltd | Financial services | 2025 |
| Thrydings Group Limited | Real estate | 2020 |
| THURSDAY3 Ltd | Extraterritorial | 2016 |
| Thwaite's Milk 'N' More Limited | Wholesale & retail | 2025 |
| Tiddlytots Ltd | Wholesale & retail | 2024 |
| Tied Energy Ltd | Construction | 2023 |
| Tiennecal Limited | Professional & scientific | 2023 |
| Tiffany Hill Studio Limited | Professional & scientific | 2007 |
| Tiger Safe Storage Ltd | Transport & logistics | 2019 |
| TIK96 Ltd | Transport & logistics | 2025 |
| Tikka Cuisine Ltd | Manufacturing | 2021 |
| Tilario (Developments) Limited | Real estate | 1972 |
| TIM Doswell Dental Implants Limited | Health & social care | 2013 |
| TIM Hartley Consulting Ltd | Professional & scientific | 2025 |
| TIM Hogarth Antiques Limited | Wholesale & retail | 2013 |
| TIM Sugden Groundwork Limited | Construction | 2001 |
| Tim's Management Services Limited | Professional & scientific | 2013 |
| Timber Co 2025 Ltd | Manufacturing | 2025 |
| Timberform Ltd | Construction | 2024 |
| TIME4LIVING Holdings Limited | Financial services | 2025 |
| TIME4SLEEP (Holdings) Limited | Financial services | 2012 |
| TIME4SLEEP Ltd | Wholesale & retail | 2005 |
| Timescale CAD Ltd | Professional & scientific | 2017 |
| Tina Warden Education Consultant Limited | Education | 2011 |
| Tintech Estate Ltd | Real estate | 2020 |
| Tinto Tech Limited | Wholesale & retail | 2025 |
| Tintopia Limited | Manufacturing | 2025 |
| TIP POT Limited | Information & communication | 2019 |
| Titan Climb Ltd | Wholesale & retail | 2025 |
| Titan Reinforcements Limited | Construction | 2016 |
| TJ Bowen Ltd | Health & social care | 2016 |
| TJ Productions Ltd | Hospitality | 2016 |
| TKW Homes Ltd | Real estate | 2025 |
| TLC Dog Walking Limited | Administrative & support | 2017 |
| TLR Medics Limited | Health & social care | 2022 |
| TLR Rental Properties Limited | Real estate | 2026 |
| Tlta Holdings Ltd | Real estate | 2025 |
| TM Haulage and Excavation Ltd | Transport & logistics | 2015 |
| TMC T/A the Mould Company Ltd | Administrative & support | 2023 |