| Family at Heart Home Care Ltd | Health & social care | 2024 |
| Family Gadget Ltd | Wholesale & retail | 2025 |
| Family Shopper Hoyland Store Ltd | Wholesale & retail | 2023 |
| FAN Courier Service Ltd | Transport & logistics | 2023 |
| FAN Courier Trans Ltd | Transport & logistics | 2024 |
| Fantasma Investments Limited | Real estate | 2020 |
| FAP Automotive Ltd | Wholesale & retail | 2024 |
| Faps Development Ltd | Real estate | 2025 |
| FAR Westhorpe Farms Limited | Extraterritorial | 2022 |
| Fareshare Yorkshire Limited | Transport & logistics | 1998 |
| Farm Gate Estates Limited | Real estate | 2021 |
| Farmalishes Ltd | Hospitality | 2022 |
| Farmery Building Contractors Limited | Construction | 2014 |
| Farmspace Barnsley CIC | Education | 2024 |
| Farmstead Adventure Hub CIC | Education | 2023 |
| Farmvet Limited | Wholesale & retail | 2018 |
| Farnley Estates (NO.1) LLP | | 2015 |
| Farpod Joinery Limited | Construction | 2006 |
| Fast and Serious Transport Ltd | Transport & logistics | 2022 |
| Fast Andreea Ltd | Transport & logistics | 2025 |
| Fast Driver Ltd | Transport & logistics | 2023 |
| Fast ION Limited | Transport & logistics | 2026 |
| Fast Line Barnsley Ltd | Transport & logistics | 2023 |
| Fast Projects Limited | Real estate | 1999 |
| Fast Truck Deliveries Limited | Transport & logistics | 2019 |
| Fate U.K. Limited | Construction | 2011 |
| Fathom Technology Limited | Information & communication | 2025 |
| Fauntleroy Limited | Real estate | 2026 |
| Faur Ionel Viorel Ltd | Transport & logistics | 2016 |
| Faver Electrical Services Ltd | Construction | 2018 |
| Favorit Club Limited | Hospitality | 2025 |
| FBR Properties Ltd | Real estate | 2020 |
| FD Specialists Ltd | Administrative & support | 2023 |
| FDE Holdings Limited | Real estate | 2020 |
| Fearn Brothers Fibreglass Products Limited | Manufacturing | 2012 |
| Fearns Freight Ltd | Transport & logistics | 2026 |
| Fearon & Co Limited | Real estate | 2024 |
| Feast & Flair Ltd | Hospitality | 2023 |
| FEJ Transport Limited | Transport & logistics | 2022 |
| Felix Telecommunications Ltd | Information & communication | 2013 |
| Femco Projects Limited | Manufacturing | 1973 |
| Fenetre Developments Limited | Wholesale & retail | 2024 |
| Fenton & Fenton Limited | Construction | 2008 |
| Fenton & Fenton Properties Ltd | Real estate | 2013 |
| Fenton Park (Lnfv) Management Company Limited | Households | 2011 |
| Fenton Place (Leeds) RTM Company Limited | Households | 2017 |
| Feria Properties Limited | Real estate | 2015 |
| Fernco International Limited | Extraterritorial | 2004 |
| Fernco Limited | Manufacturing | 1989 |
| Ferryboat Farm Fisheries Limited | Agriculture & fishing | 2004 |
| Festival Essentials (Yorkshire) Ltd | Wholesale & retail | 2023 |
| Fgwd Ltd | Construction | 2019 |
| FH Global Trading Solutions Limited | Professional & scientific | 2024 |
| Fibre Generation and Civil Engineering Limited | Professional & scientific | 2009 |
| Fibs Ltd | Professional & scientific | 2025 |
| Field Construction Group Ltd | Construction | 2024 |
| Field Head Management Company Limited | Real estate | 1986 |
| Field Services Utility Ltd | Professional & scientific | 2023 |
| Fieldproof Design Ltd | Professional & scientific | 2025 |
| Fields Macdonald Wealth Management Limited | Financial services | 2013 |
| Fieldside Grange Properties Limited | Real estate | 2023 |
| Fight Africa Promotions Ltd | Arts & recreation | 2024 |
| Filarsky Ltd | Manufacturing | 2017 |
| Filtermech Plant Sales Limited | Administrative & support | 1989 |
| FIM Hydraulics Limited | Manufacturing | 2015 |
| Final Touch Cleaning Ltd | Administrative & support | 2024 |
| Finance Yorkshire Equity GP Limited | Financial services | 2010 |
| Finance Yorkshire Equity L.P. | | 2010 |
| Finance Yorkshire Group Limited | Financial services | 2020 |
| Finance Yorkshire Investments Limited | Financial services | 2021 |
| Finance Yorkshire Limited | Financial services | 2009 |
| Finance Yorkshire Seedcorn L.P. | | 2010 |
| Finance Yorkshire Small Loan L.P. | | 2010 |
| Financial Claims Limited | Financial services | 2012 |
| Financial Pulse Limited | Information & communication | 2014 |
| Fine & Country Inns Ltd | Hospitality | 2013 |
| Fine Art Trade Center Ltd | Wholesale & retail | 2022 |
| Finest Imaginary Ltd | Professional & scientific | 2012 |
| Finix Commercial Limited | Real estate | 2017 |
| Finix Property Ltd | Real estate | 2016 |
| Finmil Ltd | Real estate | 2012 |
| FIR Tree Court Management Co Limited | Real estate | 2018 |
| Fire Door Systems Limited | Wholesale & retail | 2019 |
| Fire Safety Specialists Ltd | Professional & scientific | 2004 |
| Fireball Products Limited | Wholesale & retail | 2025 |
| Fireblade Automation Systems Ltd. | Information & communication | 2011 |
| Firma Engineering Limited | Professional & scientific | 2013 |
| Firma Technology Solutions Limited | Professional & scientific | 2024 |
| First Call Recruitment Ltd | Administrative & support | 2017 |
| First Car Sales Ltd | Wholesale & retail | 2022 |
| First Choice Facility Maintenance Ltd | Administrative & support | 2022 |
| First Contact (Chefs) Limited | Administrative & support | 2009 |
| First Equinox Limited | Real estate | 2017 |
| First for Education Holdings Limited | Financial services | 2013 |
| First for Education Limited | Administrative & support | 2004 |
| First Metro Limited | Wholesale & retail | 2024 |
| First Plant Trading Limited | Wholesale & retail | 2011 |
| First Takeaway Limited | Hospitality | 2018 |
| Firth Financial Services Ltd. | Financial services | 2014 |
| Firth Properties and Investments Limited | Professional & scientific | 1999 |