| Fourwoods Facilities Ltd | Construction | 2023 |
| FOX and Windmill Books Ltd | Information & communication | 2021 |
| FOX Brothers (Storefitters) Limited | Water & waste | 1948 |
| FOX Business Ltd | Hospitality | 2022 |
| FOX Construction Contracting Ltd | Construction | 2021 |
| FOX Developments (Yorks.) Ltd | Construction | 2003 |
| FOX Hill Projects (Engineering) Limited | Professional & scientific | 2023 |
| FOX Hill Projects (Utilities) Limited | Professional & scientific | 2023 |
| FOX Hill Projects Limited | Professional & scientific | 2020 |
| FOX Industrial & Rural Services Limited | Administrative & support | 2013 |
| FOX Plant Hire Ltd | Construction | 2024 |
| FOX Refrigeration Ltd | Construction | 2024 |
| FOX Teknik Limited | Professional & scientific | 2018 |
| Foxcroft Homes Limited | Real estate | 2022 |
| Foxhill Heating Ltd | Construction | 2024 |
| Foxys Property Group Limited | Administrative & support | 2017 |
| FOZ Priperty Holdings Limited | Households | 2025 |
| Fozaura Consultancy Ltd | Health & social care | 2025 |
| FP Group Ltd | Wholesale & retail | 2022 |
| FP Technologies Ltd | Manufacturing | 2024 |
| FP Trade Supplies Ltd | Wholesale & retail | 2019 |
| FPA Drylining Ltd | Construction | 2026 |
| FPL Interiors Limited | Construction | 2015 |
| FPW Great Ltd | Hospitality | 2017 |
| FR & R Tuning Limited | Wholesale & retail | 2009 |
| FR Apparel Limited | Wholesale & retail | 2025 |
| FR Global Business Consultants Ltd | Wholesale & retail | 2025 |
| FR Healthcare Services Limited | Health & social care | 2025 |
| FR Supplies Ltd | Wholesale & retail | 2026 |
| FR Tints Ltd | Wholesale & retail | 2022 |
| Fractional Florida Properties Limited | Real estate | 2010 |
| Fraganics Ltd | Wholesale & retail | 2025 |
| Fraggle's Rock Lighting Ltd | Arts & recreation | 2015 |
| Fragrance Box Ltd | Wholesale & retail | 2023 |
| Fragrances Online Limited | Wholesale & retail | 2022 |
| Fraktal Talent Ltd | Arts & recreation | 2025 |
| Frame 2 Catering and Entertainment Limited | Hospitality | 2016 |
| Frame 2 Holdings Limited | Financial services | 2025 |
| Frame on Games Ltd | Administrative & support | 2025 |
| Frances Barlow Limited | Health & social care | 2019 |
| Francine Louise Enterprises Ltd | Financial services | 2023 |
| Francko's Food Trucks Ltd | Hospitality | 2023 |
| Frank Kuyeli Ltd | Administrative & support | 2015 |
| Frank Lawley (Bradford) Limited | | 1952 |
| Frank Marshall Estates (Cottingley) Limited | Construction | 2024 |
| Frank Marshall Estates (Yorkshire) Limited | Real estate | 1996 |
| Frank Marshall Estates Limited | Real estate | 2012 |
| Frank Mitchell (Brighouse) Limited | | 1949 |
| Frankland Transportation Ltd | Transport & logistics | 2026 |
| Franks Australia Ltd | Wholesale & retail | 2011 |
| Franks Healthcare Limited | Health & social care | 2014 |
| Frankz Ltd | Wholesale & retail | 2025 |
| Frantex London Limited | Wholesale & retail | 2019 |
| Frascati 1980 Ltd | Professional & scientific | 2022 |
| Fraser PUB Ltd | Hospitality | 2022 |
| Fratelli Bites and Coffee Ltd | Wholesale & retail | 2018 |
| Fraz Developments (Residential) Ltd | Construction | 2024 |
| Fraz Developments Ltd | Construction | 2022 |
| Fraz Investments Ltd | Real estate | 2017 |
| Fred Nelson Ltd | Manufacturing | 2012 |
| Freddy's Essentials Limited | Wholesale & retail | 2025 |
| Free Company Formations Ltd | Professional & scientific | 2020 |
| Free Home Grants Ltd | Construction | 2024 |
| Freebird Homes Ltd | Construction | 2022 |
| Freed Marketing Solutions Limited | Professional & scientific | 2024 |
| Freedom Digital Yorkshire Ltd | Professional & scientific | 2026 |
| Freedom Expeditions Limited | Administrative & support | 2016 |
| Freedom Future Homes Limited | Real estate | 2023 |
| Freedom Home Stays Limited | Real estate | 2023 |
| Freedom Studios | Arts & recreation | 2007 |
| Freedom Wheels Ltd | Administrative & support | 2025 |
| Freemans Grattan Holdings Limited | Wholesale & retail | 1999 |
| Freemans Public Limited Company | Wholesale & retail | 1936 |
| Freight Shuttle (Bradford) Limited | Transport & logistics | 1992 |
| Freighteam Ltd | Transport & logistics | 2010 |
| French Carp Lakes Ltd | Arts & recreation | 2019 |
| Frenchy's Workshop Ltd | Wholesale & retail | 2024 |
| Fresco Cakes Ltd | Manufacturing | 2008 |
| Fresh 2 GOO Ltd | Wholesale & retail | 2023 |
| Fresh and Direct Limited | Hospitality | 2026 |
| Fresh Fare Supermarket Limited | Wholesale & retail | 2016 |
| Fresh Fillingz Sandwich Bar Limited | Hospitality | 2025 |
| Fresh Fillingz Xpress Ltd | Hospitality | 2024 |
| Fresh Flavours Ltd | Wholesale & retail | 2022 |
| Fresh Fragrances 25 Ltd | Wholesale & retail | 2026 |
| Fresh Meat Products Online Limited | Hospitality | 2018 |
| Fresh Metro Ltd | Wholesale & retail | 2024 |
| Fresh Plus Ltd | Wholesale & retail | 2025 |
| Fresh Preps Ltd | Hospitality | 2025 |
| Fresh Sandwiches Limited | Hospitality | 2023 |
| Fresh Snacks Ltd | Hospitality | 2025 |
| Fresh Start Consultancy Ltd | Professional & scientific | 2023 |
| Fresh Supplies North Ltd | Hospitality | 2025 |
| Fresh Trade Yorkshire Ltd | Wholesale & retail | 2023 |
| Freshco Chilled Storage Limited | Hospitality | 2024 |
| Freshco Direct Ltd | Wholesale & retail | 2025 |
| Freshco UK Ltd | Wholesale & retail | 2022 |
| Freshly Cooked Ltd | Hospitality | 2022 |
| Freshmax BDF Ltd | Wholesale & retail | 2026 |
| Freshway Holdings Limited | Hospitality | 2026 |