| FMC Optics Ltd | Health & social care | 2022 |
| FMS Consulting Ltd | Professional & scientific | 2018 |
| Fmsd Ltd | Administrative & support | 2024 |
| FN Consultancy Services Limited | Professional & scientific | 2024 |
| FN Soft Ltd | Information & communication | 2020 |
| FNA Consultancy Ltd | Professional & scientific | 2026 |
| Fnsa Ltd | Households | 2021 |
| Foam Supply UK Limited | Manufacturing | 2024 |
| Fobfix Ltd | Other services | 2020 |
| Focal Fiesta Ltd | Professional & scientific | 2024 |
| Focus Hygiene Supplies Limited | Extraterritorial | 1990 |
| FOERS2DOORS Limited | Transport & logistics | 2026 |
| Folkestone Property Group Ltd | Construction | 2024 |
| Folo Ltd | Hospitality | 2025 |
| Fone Flex Ltd | Wholesale & retail | 2025 |
| Fone Xtraz Ltd | Wholesale & retail | 2012 |
| Fonebits Yorkshire Ltd | Wholesale & retail | 2023 |
| Foneextraz Limited | Wholesale & retail | 2023 |
| Fonik Audio Innovations Limited | Administrative & support | 2023 |
| Food Asia Limited | Wholesale & retail | 2024 |
| Food Asia Supermarket Ltd | Wholesale & retail | 2022 |
| Food Bazaar (Yorkshire) Limited | Hospitality | 2016 |
| Food by Ayat Limited | Hospitality | 2025 |
| Food City Bradford Limited | Hospitality | 2018 |
| Food Dash Ltd | Manufacturing | 2024 |
| Food Express 1 Limited | Hospitality | 2023 |
| Food Gourmet Ltd | Hospitality | 2022 |
| Food Hub Leeds Ltd | Hospitality | 2025 |
| Food Manufacture People Ltd | Administrative & support | 2010 |
| Food NOW Ltd | Information & communication | 2018 |
| Food Office Ltd | Wholesale & retail | 2026 |
| Food Outlet Limited | Hospitality | 2019 |
| Food Safety Solution Ltd | Hospitality | 2024 |
| Food Services (EP) Limited | Hospitality | 2015 |
| Food Solutions Bradford Limited | Hospitality | 2025 |
| Food Tech Bradford Ltd | Hospitality | 2024 |
| Food Verified Ltd | Professional & scientific | 2023 |
| FOOD365 Ltd | Information & communication | 2022 |
| Foot Step Consultancy Limited | Administrative & support | 2020 |
| Football Event Portal Limited | Wholesale & retail | 2025 |
| Football Time Ltd | Professional & scientific | 2022 |
| Footprint Internet Limited | Information & communication | 2011 |
| Footymania Limited | Wholesale & retail | 2025 |
| FOR a Good Deal More Limited | Professional & scientific | 2005 |
| FOR the Lost Ltd | Arts & recreation | 2018 |
| Forbesregal Limited | Construction | 2010 |
| Force Industries Limited | Professional & scientific | 2017 |
| Forceline Group Limited | Professional & scientific | 2022 |
| Ford & Co. Property Investments Ltd | Real estate | 2025 |
| Ford Hill Properties Limited | | 1972 |
| Forever Care Solutions Ltd | Health & social care | 2025 |
| Forever Granite Limited | Wholesale & retail | 2020 |
| Forgeandfellows Limited | Professional & scientific | 2026 |
| Forgecycle Ltd | Wholesale & retail | 2025 |
| Fork & Flames Ventured Ltd | Hospitality | 2026 |
| Fork IT Food Limited | Hospitality | 2024 |
| Formations Care Services Ltd | Administrative & support | 2016 |
| Forprest Solutions Limited | Wholesale & retail | 2020 |
| Forster Square Carwash Ltd | Administrative & support | 2024 |
| Fortex Worldwide Ltd | Construction | 2025 |
| Forth & Found Ltd | Information & communication | 2025 |
| Forth Multi Trade Limited | Construction | 2025 |
| Fortis Auxilium Accountants Ltd | Professional & scientific | 2021 |
| Fortis Auxilium Limited | Information & communication | 2021 |
| Fortis Security Group Ltd | Administrative & support | 2025 |
| Fortitude Clinical Trial Solutions Ltd | Professional & scientific | 2025 |
| Fortitude Performance Academy Ltd | Education | 2025 |
| Fortius 5 Ltd | Professional & scientific | 2014 |
| Fortiva Property Investments Ltd | Real estate | 2025 |
| Fortress (Bradford) Ltd | Extraterritorial | 2022 |
| Forts Foods Ltd | Professional & scientific | 2004 |
| Fortuna House Limited | Real estate | 2024 |
| Fortune BFD Ltd | Hospitality | 2019 |
| Fortune Cookie (Bradford) Ltd | Hospitality | 2013 |
| Fortune Properties Holding Ltd | Real estate | 2022 |
| Forward Assist Consulting Ltd | Professional & scientific | 2025 |
| Forward HSE Limited | Administrative & support | 2022 |
| Forxhall Limited | Manufacturing | 2015 |
| Forza Football Academy Limited | Education | 2022 |
| Forza Padel Limited | Arts & recreation | 2026 |
| Forza Recycling Ltd | Water & waste | 2021 |
| Foster Hartley Limited | Wholesale & retail | 2022 |
| Foster Square Enterprises Ltd | Hospitality | 2020 |
| Fostersupport Ltd | Education | 2020 |
| Foto Engineering Services Ltd | Professional & scientific | 2018 |
| Foundations for People | Education | 2010 |
| Foundations for People Organizations | Other services | 2014 |
| Fountain & Mays Ltd | Financial services | 2021 |
| Fountain Street Arts Ltd | Arts & recreation | 2025 |
| Fountains Resources Limited | Professional & scientific | 2019 |
| Four Lane Ends Mini Market OFF Licence Ltd | Wholesale & retail | 2020 |
| Four Lions Construction Limited | Construction | 2022 |
| Four Seasons Cafe Bradford Ltd | Wholesale & retail | 2026 |
| Four Seasons Stoves & Fires Ltd | Transport & logistics | 2016 |
| Four Singh’S and Sons Limited | Construction | 2024 |
| Four Stars Limited | Hospitality | 2025 |
| Foursons Contracting Limited | Administrative & support | 2013 |
| Fourtails Limited | Wholesale & retail | 2026 |
| Fourteen and Nine Estate Ltd | Real estate | 2022 |
| Fourth Quarter Fitness Ltd | Arts & recreation | 2023 |