| THE North of England Horticultural Society | Professional & scientific | 1989 |
| THE Northern Fireplace Company Ltd | Construction | 2026 |
| THE Northern Fishing School Ltd | Agriculture & fishing | 2019 |
| THE Nurseries (Kilham) Management Company Limited | Households | 2022 |
| THE Nutrition Advice Centre Ltd | Health & social care | 2024 |
| THE Old Palace Investment Company Limited | Professional & scientific | 2016 |
| THE Performance Empowerment People Limited | Professional & scientific | 2014 |
| THE Pixl Club Limited | Education | 2010 |
| THE Portly PIG Limited | Hospitality | 2023 |
| THE Rarified Ltd | Other services | 2019 |
| THE Sawley Arms Ltd | Hospitality | 2013 |
| THE Sawley Kitchen Ltd | Manufacturing | 2022 |
| THE Sewing Group Ltd | Financial services | 2024 |
| THE Silva Bells Ltd | Hospitality | 2022 |
| THE Skin Oasis Ltd | Other services | 2022 |
| THE Smith Hogmanay Family Ltd | Administrative & support | 2016 |
| THE Tanning Bar Ripon Limited | Other services | 2026 |
| THE Theakston PUB Company Limited | Hospitality | 2000 |
| THE Third PIG Company Limited | Real estate | 2022 |
| THE Train Shop Limited | Extraterritorial | 2017 |
| THE Weatheralds Group Ltd | Construction | 2025 |
| THE West Yorkshire Vintage Tractor and Engine Club Ltd | Other services | 2014 |
| THE Whiteroom Europe Limited | Wholesale & retail | 2019 |
| THE Woodworking Studio Ltd | Education | 2025 |
| THE Yorkshire Dales Soap Company Limited | Manufacturing | 2017 |
| Theakston Ltd. | Extraterritorial | 2013 |
| Theakston Supply Company Limited | Extraterritorial | 2003 |
| This IS Pitman Limited | Wholesale & retail | 2020 |
| Thornton Watlass Estate Company Limited (the) | Real estate | 1976 |
| Thrive Pilates Ltd | Arts & recreation | 2024 |
| Tibsg Ltd | Wholesale & retail | 2025 |
| Tick the Box Productions Limited | Information & communication | 2005 |
| Tilston's Discount Tobacconist Company Limited | Real estate | 1982 |
| Time for YOU (the Dales) Limited | Professional & scientific | 2004 |
| TM Controls Ltd | Manufacturing | 2011 |
| TM Properties (Ripon) Ltd | Real estate | 2022 |
| TMC Ouse Limited | Financial services | 2024 |
| Tod.Com Limited | Information & communication | 2003 |
| Todd-Brown Digital Creations Ltd | Information & communication | 2025 |
| TOM RAW Contracting Ltd | Construction | 2019 |
| Top HAT Sweeps Limited | Administrative & support | 2024 |
| TOR Interiors Ltd | Professional & scientific | 2021 |
| Torloisk Hydro Limited | Energy | 2011 |
| Total Optics Ltd | Wholesale & retail | 2018 |
| Toulston Hall Farm Limited | Hospitality | 2025 |
| Tower Court (Ripon) Management Company Limited | Households | 2008 |
| Toxcomponents Limited | Information & communication | 2026 |
| Tracy Weatherer Limited | Health & social care | 2017 |
| Trade Till Rolls Ltd | Wholesale & retail | 2024 |
| Trademotion Ltd | Information & communication | 2024 |
| Travis Construction Limited | Construction | 2015 |
| Treatment Trays Ltd | Manufacturing | 2022 |
| Tri-Site Limited | Construction | 2024 |
| Tri-Store Ltd | Transport & logistics | 2025 |
| Tri-Tech (North East) Ltd | Professional & scientific | 2021 |
| Tri-Tech (North West) Ltd | Professional & scientific | 2021 |
| Tri-Tech Ltd | Professional & scientific | 2005 |
| Tri-Tech Surveys Ltd | Professional & scientific | 2018 |
| Tri-Tech UK Holdings Ltd | Financial services | 2021 |
| Trident Scuba Services Ltd | Construction | 2020 |
| Tritan Engineering Limited | Professional & scientific | 1986 |
| Tritan Property Ltd | Real estate | 2021 |
| Trizenda Limited | Wholesale & retail | 2022 |
| True North Property Group Ltd | Real estate | 2021 |
| TSB Construction & Groundworks Ltd | Construction | 2019 |
| Tulloch & Knight Property Investment and Development Ltd | Construction | 2024 |
| Tuohy Plastering Ltd | Construction | 2017 |
| Tutoring and Mentoring Services Limited | Education | 2022 |
| Tweedspring Limited | | 1981 |
| Twentydales Limited | Real estate | 2017 |
| TYRES2U (Ripon) Ltd | Wholesale & retail | 2023 |
| TYRES2U: the Workshop Ltd | Wholesale & retail | 2024 |
| U & UGO Global Consults Ltd | Wholesale & retail | 2024 |
| Ubique Damp Proof & Property Maintenance Specialists Ltd | Construction | 2024 |
| UG Distribution Ltd | Administrative & support | 2018 |
| UG Purchasing Ltd | Wholesale & retail | 2025 |
| UK Electronic Ripon Limited | Wholesale & retail | 2025 |
| UK Site Painters Limited | Construction | 2003 |
| Unameit Limited | Administrative & support | 2002 |
| Upstairs and Downstairs Limited | Wholesale & retail | 2011 |
| Urban Eden Gardens Ltd | Administrative & support | 2024 |
| Urban Function Ltd | Other services | 2020 |
| Urban Grow UK Ltd | Wholesale & retail | 2020 |
| URE Group Limited | Real estate | 2023 |
| Urics Limited | Transport & logistics | 2023 |
| Uxocean Ltd | Professional & scientific | 2025 |
| V'S Catering Limited | Hospitality | 2018 |
| Valentino's Restaurant Ripon Ltd | Hospitality | 2013 |
| Verismart Harrogate Ltd | Administrative & support | 2024 |
| Vestageld Limited | Real estate | 2022 |
| VET Practice Support LLP | | 2017 |
| Vetscore Limited | Professional & scientific | 2005 |
| Vidu Video Recruitment Ltd | Administrative & support | 2018 |
| Vietcraft Ltd | Manufacturing | 2012 |
| Vista Business Resilience Ltd. | Professional & scientific | 2015 |
| Voakes Pies Limited | Manufacturing | 2011 |
| Voltura Metals Ltd | Water & waste | 2026 |
| Voucher Express Limited | Other services | 1934 |
| VPS (Yorkshire) Limited | Other services | 2023 |
| W & W Media Group Limited | Information & communication | 2025 |