| Queen Ethelburga's Collegiate Limited | Extraterritorial | 2013 |
| Queen Ethelburga's International School Limited | Extraterritorial | 2002 |
| Queens Court (York) Management Company Limited | Households | 1997 |
| Queens Staith Leisure Limited | Hospitality | 1992 |
| Queerarts UK CIC | Arts & recreation | 2022 |
| Quest 4 Limited | Wholesale & retail | 1985 |
| Quest Electrical Technology Ltd | Professional & scientific | 2016 |
| Quest Satisfaction Ltd | Wholesale & retail | 2022 |
| Quetzal Properties Limited | Real estate | 2022 |
| Queue Press Limited | Information & communication | 2010 |
| Quick Cars York Taxis Ltd | Transport & logistics | 2018 |
| Quick Consulting Services Ltd | Professional & scientific | 2019 |
| Quick File (UK) Ltd | Information & communication | 2015 |
| Quick File Ltd | Information & communication | 2009 |
| Quick FIX (York) Ltd | Construction | 2022 |
| Quick Stitch Embroidery Ltd | Wholesale & retail | 2025 |
| Quick Stitch York Ltd | Wholesale & retail | 2022 |
| Quickfix@Home (York) Ltd | Wholesale & retail | 2024 |
| Quicksilver Homes Limited | Construction | 2002 |
| Quiet Leaders CIC | Professional & scientific | 2018 |
| Quin Labs Ltd | Information & communication | 2022 |
| Quin Rachel Limited | Wholesale & retail | 2025 |
| Quinn Medical Services Limited | Health & social care | 2019 |
| Quinn Oath Advisory Limited | Professional & scientific | 2026 |
| Quinn Steel Limited | Professional & scientific | 2024 |
| Quinns Transport Limited | Transport & logistics | 1991 |
| Quintessential Afternoon Teas Limited | Hospitality | 2017 |
| Quintessentially Vintage York Ltd | Wholesale & retail | 2023 |
| Quintet Ventures Ltd | Real estate | 2024 |
| Quorum 2006 LLP | | 2006 |
| Quorum Development Partners LLP | | 2003 |
| R & B Automotive Limited | Wholesale & retail | 2023 |
| R & D Applied Biology Limited | Professional & scientific | 2026 |
| R & D Harrison Limited | Construction | 2007 |
| R & E Falkingham Joinery Limited | Real estate | 2022 |
| R & E Falkingham Ltd | Real estate | 2016 |
| R & G NO.1 (Sheff) Ltd | Hospitality | 2019 |
| R & G Thompson Limited | Hospitality | 2003 |
| R & I Shepherd Ltd | Construction | 2008 |
| R & J Contracting Limited | Extraterritorial | 2008 |
| R & R C Bond (Churchill Tyres) Limited | Financial services | 2022 |
| R & R C Bond (Holdings Nominees) Limited | Extraterritorial | 2020 |
| R & R C Bond (Holdings) Limited | Financial services | 2019 |
| R & R Pulleyn Developments Ltd | Construction | 2005 |
| R & R.C.Bond (Wholesale)Limited | Wholesale & retail | 1971 |
| R & S Dowding Limited | Extraterritorial | 2009 |
| R a Barley Limited | Wholesale & retail | 2003 |
| R a M Maintenance Ltd | Real estate | 2025 |
| R and M Integrative Health Ltd | Professional & scientific | 2025 |
| R and M Roofing York Ltd | Construction | 2022 |
| R Barnitt & SON LLP | | 2022 |
| R Cass Limited | Wholesale & retail | 2009 |
| R D Willis Properties Limited | Financial services | 2024 |
| R Davey Contracting Ltd | Agriculture & fishing | 2023 |
| R Farrow & Sons Limited | Wholesale & retail | 2022 |
| R H Graham Consulting Limited | Education | 2013 |
| R Hanson & SON (UK) Limited | Real estate | 2002 |
| R J Wilson Properties Limited | Real estate | 2022 |
| R L T (Design) Limited | Manufacturing | 2001 |
| R M Carson Limited | Construction | 2017 |
| R M Contractors (UK) Limited | Administrative & support | 2001 |
| R M English (Yorkshire) Limited | Real estate | 2014 |
| R M Sweeting Properties Limited | Construction | 2014 |
| R M Whitworth Ltd | Construction | 2010 |
| R March Agri Ltd | Wholesale & retail | 2018 |
| R Parkin & SON Limited | Manufacturing | 2009 |
| R Short Holdings Limited | Financial services | 2017 |
| R T Fascias Limited | Construction | 2016 |
| R Vint Engineering Limited | Professional & scientific | 2012 |
| R W Woolley Limited | Professional & scientific | 2012 |
| R&J Camper Solutions Limited | Manufacturing | 2019 |
| R&J Patel Limited | Financial services | 2025 |
| R&Y Properties and Sons Limited | Real estate | 2024 |
| R. D. Agronomy Limited | Agriculture & fishing | 2020 |
| R. Pickering Ltd. | Professional & scientific | 2012 |
| R.D. Willis Developments Limited | Real estate | 1996 |
| R.E.H Forks Limited | Manufacturing | 2014 |
| R.G. Kendall (Holdings) Limited | Agriculture & fishing | 2016 |
| R.G.Kendall & Sons Limited | Agriculture & fishing | 1963 |
| R.G.S. Estates Limited | Construction | 1964 |
| R.Goodman and Sons Limited | Wholesale & retail | 1930 |
| R.K. Drury & Sons Limited | Agriculture & fishing | 1964 |
| R.M. Brabbs Limited | Agriculture & fishing | 1956 |
| R.M.J. Property Services Limited | Construction | 1996 |
| R.S. Cockerill (York) Limited | Wholesale & retail | 1958 |
| R.S.Cockerill(Farms)Limited | Agriculture & fishing | 1963 |
| R3 Project Management Ltd | Professional & scientific | 2022 |
| R9 Consulting Limited | Professional & scientific | 2025 |
| RA Music Management Limited | Professional & scientific | 2026 |
| RAB Highways Consultancy Ltd | Professional & scientific | 2025 |
| Rabbit Aviation Limited | Transport & logistics | 2012 |
| Raby Park (Maintenance) Co. Limited | Households | 1973 |
| Race Lane Engineering Ltd | Manufacturing | 2024 |
| Races Property Ltd | Real estate | 2026 |
| Rachael Plaxton Photography Ltd | Professional & scientific | 2022 |
| Rachel and Glass Ltd | Manufacturing | 2025 |
| Rachel Child Designs Ltd | Arts & recreation | 2004 |
| Rachel Keller Ltd | Health & social care | 2014 |
| Rachel Thomas Business Services Limited | Professional & scientific | 2012 |
| RACHEL160617 Limited | Real estate | 2017 |