| York Digital Radio CIC | Information & communication | 2022 |
| York Diocesan Board of Finance Limited(The) | Other services | 1927 |
| York Direct Windows Limited | Manufacturing | 2017 |
| York Dog Wash Limited | Other services | 2025 |
| York Drawing Services Ltd | Manufacturing | 2020 |
| York Drinks Ltd | Manufacturing | 2023 |
| York Driver Training Ltd | Education | 2025 |
| York Driving School Ltd | Education | 2016 |
| York E-Solutions Limited | Wholesale & retail | 2014 |
| York Early Music Enterprises Limited | Administrative & support | 2010 |
| York Education Ltd | Administrative & support | 2017 |
| York Electrical Ltd | Construction | 2025 |
| York Electrical Services Ltd | Construction | 2015 |
| York Elevator Services Limited | Manufacturing | 2009 |
| York Elite Ltd | Arts & recreation | 2011 |
| York Embedded Ltd | Professional & scientific | 2024 |
| York Event Solutions Ltd | Administrative & support | 2026 |
| York Evidence Collaborative Limited | Professional & scientific | 2025 |
| York Exhaust Centre Ltd | Manufacturing | 2025 |
| York Exterior Solutions Limited | Administrative & support | 2026 |
| York Festival Trust | Arts & recreation | 1979 |
| York Fine Arts Ltd. | Wholesale & retail | 2002 |
| York Fire Safety Ltd | Other services | 2011 |
| York Floor Design Limited | Construction | 2024 |
| York Food Festival | Other services | 2001 |
| York Food Ltd | Hospitality | 2024 |
| York Futsal CIC | Education | 2019 |
| York Garden Services Limited | Administrative & support | 2012 |
| York Garden Works Limited | Administrative & support | 2014 |
| York Gardens Ltd | Other services | 2016 |
| York Geological Services Limited | Professional & scientific | 2001 |
| York GIN (Station) Ltd | Wholesale & retail | 2021 |
| York GIN Company (Pavement) Ltd | Wholesale & retail | 2020 |
| York Glass Ltd | Wholesale & retail | 2010 |
| York Glassware Services Limited | Manufacturing | 1976 |
| York Gliding Centre (Operations) Ltd | Arts & recreation | 2017 |
| York Gliding Centre Limited | Arts & recreation | 1962 |
| York Global Commerce Ltd | Wholesale & retail | 2024 |
| York Golf Club Ltd | Education | 2016 |
| York Greenlink Ltd | Transport & logistics | 2019 |
| York Groundwork Solutions Ltd | Construction | 2017 |
| York Guild of Media Arts Community Interest Company | Arts & recreation | 2017 |
| York Hackspace | Other services | 2016 |
| York Haizhonglao Ltd. | Hospitality | 2020 |
| York Handyman Limited | Public administration | 2026 |
| York Happy WOK Ltd | Hospitality | 2024 |
| York Health Economics Consortium Limited | Professional & scientific | 2001 |
| York Health Insurance Services Ltd | Financial services | 2002 |
| York Health Limited | Health & social care | 2022 |
| York Healthcare Ltd | Health & social care | 2021 |
| York Heating Services Ltd | Construction | 2021 |
| York Holdings Limited | Professional & scientific | 1985 |
| York Holiday Homes Limited | Financial services | 2024 |
| York Hotpot Ltd. | Hospitality | 2022 |
| York House Ltd | Hospitality | 2019 |
| York House of Bathrooms Ltd | Wholesale & retail | 2026 |
| York Human Givens Wellbeing Centre LLP | | 2022 |
| York in Recovery C.I.C. | Health & social care | 2022 |
| York Inspirational Kids C.I.C. | Other services | 2015 |
| York International Music Academy CIC | Education | 2026 |
| York IT Services (UK) Limited | Wholesale & retail | 2010 |
| York IV Ltd | Public administration | 2025 |
| York Jewellers Limited | Other services | 2018 |
| York Joinery Ltd | Manufacturing | 2025 |
| York Kitchen & Bathroom Renovations Ltd | Construction | 2022 |
| York Kitchens & Interiors Ltd | Wholesale & retail | 2011 |
| York Knavesmire Harriers Limited | Arts & recreation | 2024 |
| York Lagoon Limited | Hospitality | 2014 |
| York Land Projects Limited | Construction | 2021 |
| York Landscapes Limited | Administrative & support | 2014 |
| York Lavender Ltd | Agriculture & fishing | 2023 |
| York Lodge JM Limited | Hospitality | 2024 |
| York Luxury Holidays LLP | | 2017 |
| York Luxury Lettings Ltd | Real estate | 2021 |
| York Marketing LLP | | 2020 |
| York Mayfair Limited | Manufacturing | 2026 |
| York Maze Limited | Arts & recreation | 2010 |
| York Media Hub Ltd | Professional & scientific | 2017 |
| York Medical Aesthetics Ltd | Public administration | 2024 |
| York Medical Limited | Professional & scientific | 2015 |
| York Medical Society | Health & social care | 2009 |
| York Merchant Taylors' Service Company Limited | Administrative & support | 1993 |
| York Microlight Centre Limited | Arts & recreation | 1997 |
| York Military Books Limited | Wholesale & retail | 2019 |
| York Mind (Incorporating OUR Celebration) Ltd | Health & social care | 1991 |
| York Minster Enterprises Limited | Wholesale & retail | 1997 |
| York Minster Fund Limited | Extraterritorial | 2011 |
| York Minster Mystery Plays | Arts & recreation | 1998 |
| York Minster Refectory Limited | Hospitality | 2021 |
| York Model Railway Show | Arts & recreation | 2016 |
| York Molecular Ltd | Professional & scientific | 2024 |
| York Montessori Ltd | Education | 2023 |
| York Moto Ltd | Wholesale & retail | 2023 |
| York Motorbikes Limited | Wholesale & retail | 2023 |
| York Multiservices Limited | Agriculture & fishing | 2013 |
| York Museums and Enterprises Limited | Arts & recreation | 2002 |
| York Museums and Gallery Trust | Arts & recreation | 2002 |
| York Music Education CIC | Education | 2016 |
| York Music Therapy Ltd | Health & social care | 2022 |
| York Natural Health Limited | Health & social care | 2014 |