| FR & NM Pulleyn Ltd | Agriculture & fishing | 1999 |
| FR Stubbs Limited | Wholesale & retail | 2016 |
| Frabro Developments Limited | Real estate | 1998 |
| Fradiavolo Ltd | Wholesale & retail | 2011 |
| Fragaria Farm Limited | Agriculture & fishing | 2024 |
| Fragrance Drop Ltd. | Wholesale & retail | 2023 |
| Frakture Ltd | Arts & recreation | 2023 |
| Framesafe Solutions Ltd | Construction | 2025 |
| Francol Properties LLP | | 2007 |
| Frango Eduardo Limited | Hospitality | 2021 |
| Franhil Ltd | Real estate | 2026 |
| Frank and Flame Ltd | Hospitality | 2025 |
| Frankies Contractors Ltd | Construction | 2017 |
| Franklin House (Bournville) Management Company Limited | Households | 2016 |
| Franklyn Property Ltd | Real estate | 2024 |
| FRANKS1 Foods Ltd | Hospitality | 2026 |
| Frantic Media Limited | Wholesale & retail | 2020 |
| Fraser Healthcare Services Limited | Health & social care | 2016 |
| Fraser ST John Ltd | Construction | 2013 |
| Fraternity Networks Limited | Professional & scientific | 2011 |
| Fraward Plumbers Merchants Limited | Wholesale & retail | 2001 |
| Frays Property Management (NO.1) Limited | Extraterritorial | 2000 |
| Frays Property Management (NO.2) Limited | Extraterritorial | 2000 |
| Frays Property Management (NO.6) Limited | Extraterritorial | 2001 |
| Frecover Limited | Information & communication | 2021 |
| Fred NO Moon Services Ltd | Information & communication | 2022 |
| Freddy Fit Project Limited | Arts & recreation | 2003 |
| Free Born Films Ltd | Information & communication | 2014 |
| Free Range Kitchen Yorkshire Ltd | Hospitality | 2021 |
| Free to Live Ltd | Wholesale & retail | 2022 |
| Freebie Films Limited | Information & communication | 2014 |
| Freedom Couriers UK Ltd | Transport & logistics | 2018 |
| Freedom Nutrition Ltd | Arts & recreation | 2025 |
| Freely Lane Limited | Construction | 2016 |
| Freemen's Court Management Company Limited | Households | 1979 |
| Freement Import Export Ltd | Wholesale & retail | 2008 |
| Freer Drinks Consulting Ltd | Professional & scientific | 2026 |
| Fresh Air Floorcare Ltd | Administrative & support | 2019 |
| Fresh Clean Windows Ltd | Administrative & support | 2023 |
| Fresh Food (Pocklington) Limited | Wholesale & retail | 2013 |
| Fresh Ideas Consultancy Limited | Professional & scientific | 2025 |
| Fresh Ideas Consulting Limited | Professional & scientific | 2025 |
| Fresh N Clean Ltd | Administrative & support | 2024 |
| Fresh Start (North) Ltd | Real estate | 2023 |
| Fresh Take Creative Ltd | Professional & scientific | 2024 |
| Freshfaze Limited | Professional & scientific | 2012 |
| Freshfiber Carpet Cleaning Limited | Administrative & support | 2025 |
| Freya's Medispa Ltd | Other services | 2022 |
| Freybakes Ltd | Manufacturing | 2024 |
| Friars 8448 Limited | Financial services | 2022 |
| Friary Homes Limited | Extraterritorial | 1978 |
| Fricker Associates Ltd | Professional & scientific | 2012 |
| Frickley Holdings.Limited | Agriculture & fishing | 1971 |
| Fridlington Farms Limited | Agriculture & fishing | 1956 |
| Friends AEL Trustees Limited | Extraterritorial | 1980 |
| Friends Aellas Limited | Professional & scientific | 1896 |
| Friends Life and Pensions Limited | Financial services | 1949 |
| Friends Life Assurance Society Limited | Extraterritorial | 1963 |
| Friends Life Company Limited | Extraterritorial | 1996 |
| Friends Life Fplma Limited | Professional & scientific | 1869 |
| Friends Life Limited | Financial services | 2000 |
| Friends Life WL Limited | Financial services | 1995 |
| Friends of Severus Hill Ltd | Arts & recreation | 2024 |
| Friends of the National Railway Museum Enterprises Limited | Information & communication | 1989 |
| Friends Provident Charitable Foundation | Other services | 2001 |
| Friends Provident Investment Holdings Limited | Professional & scientific | 2000 |
| Friends Provident Life Assurance Limited | Extraterritorial | 1963 |
| Friends Provident Pension Scheme Trustees Limited | Extraterritorial | 2000 |
| Friends Slua Limited | Extraterritorial | 1970 |
| Friends' Provident Life Office | Extraterritorial | 1981 |
| Friends' Provident Managed Pension Funds Limited | Extraterritorial | 1921 |
| Fringe Industries Limited | Wholesale & retail | 2017 |
| Front Door Investments Ltd | Real estate | 2022 |
| Front EAR Ltd | Manufacturing | 2021 |
| Frozen in Time Limited | Manufacturing | 1997 |
| FRS Car & Van Ltd | Wholesale & retail | 2021 |
| Fruition International Ltd | Information & communication | 2024 |
| Fruity Property (Allerthorpe) Limited | Professional & scientific | 2021 |
| Fryston Cleaning Limited | Administrative & support | 2010 |
| Frytec Limited | Manufacturing | 2020 |
| FS Groundworks & Civils Ltd | Construction | 2021 |
| FSG Tours Limited | Administrative & support | 2018 |
| FSL York Ltd | Administrative & support | 2025 |
| FT Property Developments Ltd | Construction | 2023 |
| Fudged Limited | Professional & scientific | 2025 |
| Fulcrum Construction Consultancy Limited | Professional & scientific | 2016 |
| Fulcrum Financial Limited | Professional & scientific | 2017 |
| Fulford (81-85 Main Street) Management Company Limited | Administrative & support | 2014 |
| Fulford Builders Limited | Real estate | 2007 |
| Fulford Ceilings Limited | Construction | 2012 |
| Fulford Chase (York) Limited | Households | 2005 |
| Fulford Developments Limited | Construction | 1997 |
| Fulford Executive Travel Limited | Transport & logistics | 2010 |
| Fulford Fields Ventures Limited | Hospitality | 2013 |
| Fulford Golf Course Limited | Arts & recreation | 1988 |
| Fulford Ings Residents Association Limited | Households | 1965 |
| Fulford Legal Services Ltd | Professional & scientific | 2023 |
| Fulford Nursing Home Limited | Health & social care | 2022 |
| Fulford Pharmacy Limited | Wholesale & retail | 1982 |
| Fulford Picture Framing Limited | Wholesale & retail | 2005 |