| Yorkation Ltd | Real estate | 2021 |
| Yorkblue Limited | Other services | 2023 |
| Yorkbridge Consulting Limited | Professional & scientific | 2023 |
| Yorkbuild Building Services Limited | Construction | 2024 |
| Yorkeen Ltd | Information & communication | 2022 |
| Yorkers York Ltd | Hospitality | 2026 |
| Yorkeys Lets Ltd | Real estate | 2025 |
| Yorkfuntime.Co.Uk Limited | Administrative & support | 2019 |
| Yorkgravel Limited | Mining & quarrying | 2025 |
| Yorkhill Consultancy Ltd | Administrative & support | 2016 |
| Yorkie Spud Limited | Hospitality | 2025 |
| Yorklaw Limited | Extraterritorial | 1997 |
| Yorkleen Limited | Manufacturing | 1981 |
| Yorklub Ltd | Other services | 2017 |
| Yorkmetrics Limited | Information & communication | 2002 |
| Yorkmix Media Ltd | Information & communication | 2011 |
| Yorknest Properties Ltd | Real estate | 2025 |
| Yorkri Commercial Ltd | Hospitality | 2023 |
| Yorks - Hire York Limited | Wholesale & retail | 2018 |
| Yorks Drain Care Ltd | Construction | 2025 |
| Yorkshire & Beyond Limited | Administrative & support | 2016 |
| Yorkshire Accountancy Services Ltd | Professional & scientific | 2020 |
| Yorkshire Activity Centre Ltd | Arts & recreation | 2017 |
| Yorkshire Air Museum & Allied Air Forces Memorial | Arts & recreation | 1985 |
| Yorkshire and Humber Institute of Technology Limited | Education | 2019 |
| Yorkshire Area Point to Point Club Limited | Arts & recreation | 2006 |
| Yorkshire Artificial Grass Ltd | Administrative & support | 2026 |
| Yorkshire Bioscience Ltd | Professional & scientific | 2004 |
| Yorkshire Brand Stories Limited | Professional & scientific | 2021 |
| Yorkshire Bridal Boutique Limited | Wholesale & retail | 2025 |
| Yorkshire Building & Property Services Ltd | Construction | 2021 |
| Yorkshire Building Control Limited | Professional & scientific | 2003 |
| Yorkshire Building Ltd | Construction | 2025 |
| Yorkshire Buildings Preservation Trust Limited | Construction | 1980 |
| Yorkshire Campervan Hire Limited | Administrative & support | 2023 |
| Yorkshire Catering Limited | Hospitality | 2009 |
| Yorkshire Central Plumbing Ltd | Construction | 2011 |
| Yorkshire Churches Rural Business Support Limited | Other services | 2012 |
| Yorkshire Club Limited | Other services | 1994 |
| Yorkshire Coast CIC | Education | 2020 |
| Yorkshire Coast Nature RB Ltd | Arts & recreation | 2021 |
| Yorkshire Coast Radio Limited | Information & communication | 2022 |
| Yorkshire Compliance Testing Limited | Professional & scientific | 2025 |
| Yorkshire Construction Training Group Limited | Education | 2026 |
| Yorkshire Core Engineering Ltd | Professional & scientific | 2026 |
| Yorkshire Country Cleaners Limited | Other services | 2018 |
| Yorkshire Cowboy Ltd | Professional & scientific | 2020 |
| Yorkshire Custom Carpentry and Building Ltd | Construction | 2025 |
| Yorkshire Dairy Goats | Agriculture & fishing | 1993 |
| Yorkshire Dough Company Ltd. | Hospitality | 2015 |
| Yorkshire Drive Ltd | Wholesale & retail | 2025 |
| Yorkshire Education Ltd | Education | 2020 |
| Yorkshire Education Recruitment Ltd | Administrative & support | 2014 |
| Yorkshire Electricians Ltd | Construction | 2018 |
| Yorkshire Equine Practice Limited | Professional & scientific | 2010 |
| Yorkshire EYE Specialists LLP | | 2015 |
| Yorkshire Fitted Interiors Ltd | Administrative & support | 2022 |
| Yorkshire Floatation and Massage Limited | Arts & recreation | 2015 |
| Yorkshire Flooring and Joinery Ltd | Manufacturing | 2025 |
| Yorkshire Forestry (Contractor) Limited | Agriculture & fishing | 2012 |
| Yorkshire Fostering Consultancy Services Limited | Health & social care | 2022 |
| Yorkshire Garden Canopies Ltd | Other services | 2023 |
| Yorkshire Garden Design Limited | Extraterritorial | 2010 |
| Yorkshire Garden Designer Limited | Extraterritorial | 2010 |
| Yorkshire Gardens Trust | Administrative & support | 1996 |
| Yorkshire Glow Ltd | Other services | 2026 |
| Yorkshire Golf Tees Ltd | Wholesale & retail | 2014 |
| Yorkshire Green Contracting Ltd | Administrative & support | 2025 |
| Yorkshire Greenhouses and Garden Rooms Ltd | Construction | 2024 |
| Yorkshire Hair & Beauty Academy Ltd | Other services | 2024 |
| Yorkshire Hardscapes Ltd | Administrative & support | 2026 |
| Yorkshire Heart Limited | Manufacturing | 2011 |
| Yorkshire Hive Ltd | Wholesale & retail | 2018 |
| Yorkshire Hogroast Limited | Extraterritorial | 2021 |
| Yorkshire Home & Garden Projects Ltd | Administrative & support | 2020 |
| Yorkshire Horsebox Hire Limited | Administrative & support | 2022 |
| Yorkshire HR People Limited | Administrative & support | 2024 |
| Yorkshire Independent Financial Advisers Limited | Financial services | 2007 |
| Yorkshire Insulation Solutions Ltd | Construction | 2025 |
| Yorkshire Investment Properties Limited | Real estate | 2016 |
| Yorkshire Joinery & Loft Conversions Ltd | Construction | 2025 |
| Yorkshire Kitchen Design Ltd | Construction | 2020 |
| Yorkshire Kitchen Supply Ltd | Wholesale & retail | 2024 |
| Yorkshire Landscapes Limited | Administrative & support | 2003 |
| Yorkshire Lass Trucking Limited | Transport & logistics | 2018 |
| Yorkshire Laundry Services Limited | Other services | 2007 |
| Yorkshire Lavender Limited | Manufacturing | 1995 |
| Yorkshire Law Society(The) | Other services | 1985 |
| Yorkshire Life Commercial Property Limited | Real estate | 2018 |
| Yorkshire Life Financial Services Limited | Financial services | 2013 |
| Yorkshire Lighting & Electrical Services Limited | Construction | 2022 |
| Yorkshire Marble & Granite Limited | Construction | 2012 |
| Yorkshire Maritime Services Ltd | Administrative & support | 2019 |
| Yorkshire Mark Ltd. | Administrative & support | 2017 |
| Yorkshire Mediation Services | Health & social care | 2011 |
| Yorkshire Mums Limited | Information & communication | 2012 |
| Yorkshire Museum of Farming Limited | Arts & recreation | 1980 |
| Yorkshire Neuropsychology Limited | Health & social care | 2022 |
| Yorkshire Orchards Limited | Agriculture & fishing | 2002 |
| Yorkshire Padel Clubs Ltd | Arts & recreation | 2025 |