| Fulford Villa Flats Limited | Households | 1966 |
| Full Circuit Electrical Ltd | Construction | 2020 |
| Full Sutton Flying Centre Limited | Administrative & support | 1991 |
| Full-Send-Engineering Ltd | Manufacturing | 2020 |
| Fully Floored (YRK) Limited | Wholesale & retail | 2020 |
| Fulprint Limited | Manufacturing | 2000 |
| Fulstone South Ltd | Administrative & support | 2015 |
| Fumo Limited | Hospitality | 2019 |
| Funkled Ltd | Education | 2025 |
| Funphix UK Ltd | Wholesale & retail | 2024 |
| Furniqoedge Supply Ltd | Wholesale & retail | 2026 |
| Furniture Acquisitions Ltd | Wholesale & retail | 2008 |
| Furtherfound Limited | Professional & scientific | 2026 |
| Furtive Shambles Ltd | Manufacturing | 2022 |
| Fusion 13 (Design & Energy) Ltd | Professional & scientific | 2013 |
| Fusion Group Consulting Ltd | Professional & scientific | 2019 |
| Fusion Hairdressing for MEN Ltd | Other services | 2023 |
| Fusion Holdings (York) Ltd | Financial services | 2026 |
| Fusion Invest Ltd | Wholesale & retail | 2018 |
| Fusion Spice Coffee Limited | Hospitality | 2018 |
| Fusion Systems Limited | Information & communication | 2005 |
| Futura Ltd | Wholesale & retail | 2021 |
| Future Agency Consulting Ltd | Information & communication | 2019 |
| Future Aspirations Consult & Education Global Ltd | Education | 2025 |
| Future Behaviour Ltd | Education | 2023 |
| Future Decided Ltd | Education | 2021 |
| Future Digital Consultancy Ltd | Information & communication | 2024 |
| Future Drainage & Groundworks Limited | Water & waste | 2023 |
| Future Faces Theatre School Ltd | Arts & recreation | 2024 |
| Future Fantastic Limited | Information & communication | 1998 |
| Future Food Solutions Ltd | Professional & scientific | 2013 |
| Future Images Limited | Construction | 2001 |
| Future Joinery Ltd | Construction | 2022 |
| Future Projects York Limited | Construction | 2018 |
| Future Roof Limited | Extraterritorial | 2023 |
| Future Roofs (Yorkshire) Ltd | Construction | 2023 |
| Future Roofs York Ltd | Construction | 2010 |
| Future Select Limited | Administrative & support | 2004 |
| Future Select Temps Limited | Administrative & support | 2011 |
| Future Studio York Ltd | Professional & scientific | 2017 |
| Future Walls Ltd | Construction | 2025 |
| Futureleaderx Ltd | Information & communication | 2020 |
| Futurit Consulting Limited | Information & communication | 2024 |
| Fxone Design Limited | Administrative & support | 2012 |
| Fy&Mg Limited | Financial services | 2023 |
| Fyfe Health Ltd | Health & social care | 2011 |
| FYR Properties Ltd | Real estate | 2021 |
| FZC Limited | Professional & scientific | 2022 |
| G & B Cash Registers Limited | Wholesale & retail | 2006 |
| G & J Keeble Decorators Ltd | Construction | 2002 |
| G & L Motors Limited | Wholesale & retail | 2003 |
| G a Collins Limited | Health & social care | 2025 |
| G B Sedation Services Ltd | Health & social care | 2013 |
| G Baker Birr Ltd | Construction | 2019 |
| G D Hamilton Limited | Real estate | 2013 |
| G H Joinery (York) Limited | Construction | 2016 |
| G H Smith & SON Limited | Manufacturing | 2012 |
| G Hayton LLP | | 2023 |
| G Hitchens Ltd | Health & social care | 2023 |
| G M Aitken Decoration Ltd | Construction | 2006 |
| G M L Architects Limited | Professional & scientific | 1996 |
| G Mwila Ltd | Transport & logistics | 2026 |
| G Papa J'S Limited | Hospitality | 2024 |
| G R Davies Limited | Extraterritorial | 2004 |
| G R Williams Investments Limited | Real estate | 2019 |
| G R Wines Limited | Wholesale & retail | 2008 |
| G T Developments (York) Limited | Real estate | 2017 |
| G W Liftrucks Ltd. | Manufacturing | 2003 |
| G&E Investment Services Limited | Professional & scientific | 1970 |
| G-Cartel Ltd | Wholesale & retail | 2026 |
| G. Craggs Limited | Wholesale & retail | 2002 |
| G.B. Kitchen & SON Limited | Construction | 2013 |
| G.D. Stephenson and Sons Limited | Agriculture & fishing | 1982 |
| G.H. Clark Developments Limited | Construction | 1991 |
| G.H. Warner Footwear Limited | Wholesale & retail | 1974 |
| G.I.A. Limited | Professional & scientific | 1993 |
| G.L. & E.J. Fisher Limited | Agriculture & fishing | 1972 |
| G.L.E. Estates Limited | Construction | 1982 |
| G.M UK Distributions Ltd | Wholesale & retail | 2026 |
| G.M. Pierson Groundworks and Agricultural Services Limited | Agriculture & fishing | 2007 |
| G.M. Service Electric Limited | Manufacturing | 1989 |
| G.R. Oxtoby and Sons Limited | Agriculture & fishing | 1976 |
| G.S.Plaut Charitable Trust Limited | Health & social care | 1970 |
| G.T.Ripley,Limited | Agriculture & fishing | 1947 |
| G.X. Logistics Limited | Professional & scientific | 2002 |
| G35 Consulting Limited | Professional & scientific | 2024 |
| G6OCF Limited | Health & social care | 2015 |
| G95 Consulting Limited | Public administration | 2025 |
| GA & JP Properties Limited | Real estate | 2023 |
| Gaby Higgs Architects Ltd. | Professional & scientific | 2017 |
| Gaddass Homes Limited | Construction | 2021 |
| Gadget Digital Media Limited | Information & communication | 2017 |
| Gahr Ltd | Manufacturing | 2025 |
| Gairloch Property Limited | Construction | 2003 |
| Gale Farm Medical LLP | | 2012 |
| Gale Lane Management (York) Limited | Households | 2007 |
| Gallagher Planning Limited | Professional & scientific | 2016 |
| Galleon Freight Limited | Wholesale & retail | 2000 |
| Galliford Developments Limited | Professional & scientific | 1960 |
| Galliford Homes (London) Limited | Professional & scientific | 1972 |