| 40A Micklegate RTM Company Limited | Households | 2019 |
| 44 Tufnell Park Freehold Ltd | Real estate | 1973 |
| 46 & 48 Woodlands Grove (York) Freehold Limited | Households | 2023 |
| 47 & 47A Ratcliffe Street Limited | Extraterritorial | 2014 |
| 4A Dental Surgery Ltd | Health & social care | 2009 |
| 4AW Limited | Information & communication | 2014 |
| 4C Games Ltd | Information & communication | 2019 |
| 4D Business Coaching Limited | Professional & scientific | 2004 |
| 4D Dwellings Ltd | Real estate | 2020 |
| 4DDWELLINGSDELUXE Limited | Real estate | 2021 |
| 4EVA-SAFE UK Ltd | Education | 2021 |
| 4GUN Estates LLP | | 2018 |
| 4NOOBS Global Limited | Information & communication | 2024 |
| 4PAWSRAW Ltd | Wholesale & retail | 2021 |
| 4QUIRKYBIRDS Ltd | Extraterritorial | 2020 |
| 4SERVE Limited | Administrative & support | 2012 |
| 4TH of February Ltd | Arts & recreation | 2024 |
| 4WALLS Property York Ltd | Real estate | 2025 |
| 4WALLSYORK Ltd | Construction | 2019 |
| 5 Bankside Limited | Real estate | 2026 |
| 50 Hertz Ltd | Construction | 2013 |
| 51 York Road Ltd | Other services | 2023 |
| 51TECH Holdings Ltd | Information & communication | 2021 |
| 52ART Ltd | Professional & scientific | 2011 |
| 57 FG Limited | Health & social care | 2006 |
| 6 Regency Square Freehold Limited | Real estate | 2024 |
| 6 Upper Belgrave Street Management Limited | Households | 2000 |
| 6063 Limited | Real estate | 2023 |
| 611611 Ltd | Real estate | 2016 |
| 66 Cemetery Road Management Company Limited | Households | 2006 |
| 69 the Mount, York (Management Company) Limited | Other services | 2003 |
| 6FN Ltd | Professional & scientific | 2025 |
| 6PM Holdings Limited | Professional & scientific | 2004 |
| 7 RDD Limited | Professional & scientific | 2009 |
| 70 TEN Ltd | Administrative & support | 2019 |
| 7268 Ltd | Professional & scientific | 2020 |
| 77 Holdings Limited | Construction | 2022 |
| 77 Stanthorpe Road Right to Manage Company Limited | Households | 2023 |
| 777 Strategies Limited | Education | 2021 |
| 79 2 81 Childcare Limited | Education | 2014 |
| 7S Construction (York) Ltd | Construction | 2013 |
| 7SOLUTIONS (Offsite Services) Ltd | Professional & scientific | 2018 |
| 8 George Court Limited | Hospitality | 2017 |
| 8 Red Limited | Administrative & support | 2010 |
| 8 Thousand Limited | Wholesale & retail | 2026 |
| 81 Clarence Street Management Company Limited | Administrative & support | 2002 |
| 888 Beverages Ltd | Manufacturing | 2020 |
| 8DUK Group Limited | Financial services | 2021 |
| 9 King Street Management Company Limited | Households | 2004 |
| 9 Wenlock Terrace York Management Company Limited | Real estate | 2005 |
| 97 Heworth Village Management Company Limited | Households | 2005 |
| 99 Seats Limited | Hospitality | 2026 |
| 99 Stamford Street West Limited | Households | 2001 |
| @Home Limited | Extraterritorial | 1941 |
| A & a Hart Ltd | Professional & scientific | 2018 |
| A & B L R Ltd | Wholesale & retail | 2016 |
| A & C Wood Limited | Agriculture & fishing | 2011 |
| A & D Construction (Services) Ltd | Construction | 2012 |
| A & J Architects Limited | Professional & scientific | 2000 |
| A & K Kirby Limited | Wholesale & retail | 2011 |
| A & L Stewart Limited | Construction | 2006 |
| A + E Vets Limited | Extraterritorial | 2004 |
| A and S Hales Limited | Real estate | 2022 |
| A B Pritchett Ltd | Other services | 2016 |
| A Billion Purple Co. Limited | Manufacturing | 2025 |
| A Burn Landscape Gardener Limited | Administrative & support | 2021 |
| A C Wilson Racing Ltd | Agriculture & fishing | 2024 |
| A Dhar Limited | Health & social care | 2026 |
| A E Banks and SON Limited | Agriculture & fishing | 2003 |
| A E Houghton & SON Limited | Professional & scientific | 2003 |
| A F & E F Limited | Administrative & support | 1999 |
| A F Motor Services Ltd | Wholesale & retail | 2022 |
| A F Productions Limited | Administrative & support | 2017 |
| A Feetenby Building & Joinery Ltd | Construction | 2020 |
| A FEW Days Away Limited | Hospitality | 2021 |
| A J Brown Ltd | Professional & scientific | 2002 |
| A J Miller Properties Ltd | Real estate | 2019 |
| A J P Homes Limited | Construction | 2004 |
| A J R Haulage Limited | Transport & logistics | 2016 |
| A Johnson Consulting Limited | Administrative & support | 2008 |
| A JS 2 Ltd | Hospitality | 2025 |
| A K Computing Ltd | Information & communication | 2007 |
| A K Property Holdings Ltd | Real estate | 2018 |
| A Laverack & SON Ltd | Manufacturing | 2014 |
| A Little BIT of Slope Limited | Information & communication | 2022 |
| A Living Thing Ltd. | Manufacturing | 2024 |
| A Lock & Co Limited | Professional & scientific | 2006 |
| A M Bars (Yorkshire) Ltd | Construction | 2021 |
| A M Bars Events Ltd | Construction | 2025 |
| A M S Composite Cylinders Limited | Administrative & support | 2016 |
| A Mischief Ltd | Wholesale & retail | 2023 |
| A R Deane Ltd | Professional & scientific | 2025 |
| A R Procurement Limited | Professional & scientific | 2014 |
| A R Quartz Ltd | Construction | 2021 |
| A R Resourcing Group Limited | Administrative & support | 2010 |
| A Rhodes Group Limited | Professional & scientific | 2009 |
| A Rhodes Holdings Limited | Administrative & support | 2020 |
| A Rhodes JNR Holdings Ltd | Administrative & support | 2024 |
| A Star York Limited | Hospitality | 2023 |
| A T SET & Stage Limited | Manufacturing | 2002 |