| Folklore Otley CIC | Hospitality | 2025 |
| Folkren Ltd | Real estate | 2023 |
| Follifoot Cricket Club Trustees Limited | Arts & recreation | 2003 |
| Follion UK Limited | Information & communication | 2014 |
| Follow the Golden Rule Limited | Hospitality | 2018 |
| Foluso Care Services Ltd | Health & social care | 2022 |
| Fonc Reporting Limited | Health & social care | 2017 |
| FONDA1211 Ltd | Professional & scientific | 2025 |
| Fondant Marketing Limited | Administrative & support | 2020 |
| Fondue Desserts Ltd | Hospitality | 2025 |
| Fone & PC FIX Ltd | Information & communication | 2019 |
| Fone Paradise Ltd | Wholesale & retail | 2022 |
| Fonefix Repairs Ltd | Other services | 2018 |
| Fonefix Ripon Ltd | Other services | 2022 |
| Fonemedia Ltd | Professional & scientific | 2008 |
| Fones Xpert Armley Limited | Wholesale & retail | 2022 |
| Fonewizard Europe Ltd | Information & communication | 2016 |
| Fonquernie Family Holdings Limited | Real estate | 2021 |
| Fontaine-Diamant Property Limited | Real estate | 2021 |
| Food and Booze Minimart Limited | Wholesale & retail | 2011 |
| Food Business Services Ltd | Administrative & support | 2023 |
| Food Cabaret Ltd | Hospitality | 2020 |
| Food Emporium Leeds Limited | Hospitality | 2013 |
| Food From Scratch Limited | Hospitality | 2020 |
| Food Inn Limited | Hospitality | 2019 |
| Food Markt Ltd | Wholesale & retail | 2017 |
| Food Revival CIC | Hospitality | 2013 |
| Food Safety Management Services (UK) Limited | Professional & scientific | 2013 |
| Food Time (Leeds) Ltd | Hospitality | 2025 |
| Food&Events Limited | Transport & logistics | 2021 |
| Foodbox Limited | Extraterritorial | 2006 |
| Foodcourtsuk Limited | Hospitality | 2015 |
| Foodezoo Ltd | Administrative & support | 2017 |
| Foodie Amez Ltd | Hospitality | 2022 |
| Foodie Heaven Ltd | Hospitality | 2023 |
| Foodie Leeds Ltd | Hospitality | 2026 |
| Foodies Arena Limited | Hospitality | 2025 |
| Foodio (LS11) Ltd | Hospitality | 2020 |
| Foodking Superstore Limited | Wholesale & retail | 2026 |
| Foods Stop Limited | Hospitality | 2024 |
| Foodwell Market Limited | Wholesale & retail | 2025 |
| Fooj Ltd | Administrative & support | 2021 |
| Foot-Tech Academy Ltd | Arts & recreation | 2015 |
| Footage First Limited | Information & communication | 2025 |
| Football Hospitality Online Ltd | Wholesale & retail | 2023 |
| Football Prizes Limited | Arts & recreation | 2019 |
| Football World Leeds CIC | Arts & recreation | 2026 |
| Footify Limited | Professional & scientific | 2017 |
| Footman-Walker Associates Limited | Extraterritorial | 1985 |
| Footplate Consulting Ltd | Professional & scientific | 2013 |
| Footprint Workers Co-Operative Ltd. | Manufacturing | 1997 |
| Footprints and Memories Ltd | Information & communication | 2018 |
| Footsteps North Ltd | Transport & logistics | 2001 |
| Footstools and More Ltd | Manufacturing | 2015 |
| Footwear Software Ltd | Information & communication | 2016 |
| Fops Estates Ltd | Real estate | 2025 |
| FOR Facilities Management Ltd | Construction | 2025 |
| FOR the Name USE Delightful Desserts Armley Limited | Hospitality | 2026 |
| FOR the Project Limited | Construction | 2017 |
| Foraged and Flourishing Limited | Professional & scientific | 2023 |
| Foray 1088 Limited | Manufacturing | 1924 |
| Forbes Compliance Services Ltd | Professional & scientific | 2025 |
| Forbes Healthcare Services Ltd | Financial services | 2022 |
| Forbidden Marketing Limited | Professional & scientific | 2019 |
| Forbury Properties Group Ltd | Real estate | 2021 |
| Force 12 Composites Limited | Manufacturing | 2019 |
| Force 24 Ltd | Information & communication | 2010 |
| Force One Consulting Ltd | Real estate | 2021 |
| Force Racing Wheels Ltd | Manufacturing | 2013 |
| Ford Campbell Freedman Limited | Professional & scientific | 2015 |
| Ford Contracting Services Ltd | Construction | 2018 |
| Ford Family Holding Company Ltd | Financial services | 2026 |
| Ford Thomas Limited | Professional & scientific | 2006 |
| Forde Baker Limited | Professional & scientific | 2018 |
| Fordham Digital Consulting Ltd | Information & communication | 2020 |
| Fordmire Limited | Manufacturing | 2019 |
| Fore Street Store Ltd | Wholesale & retail | 2025 |
| Fore Yorkshire Ltd | Wholesale & retail | 2025 |
| Forecourt Construction Services Ltd | Construction | 2023 |
| Forecourt EYE Ltd | Administrative & support | 2015 |
| Forefront Contractors Ltd | Construction | 2009 |
| Foregut Surgery Ltd | Health & social care | 2015 |
| Foremanmueller Ltd | Professional & scientific | 2025 |
| Foremost Management Development Ltd | Professional & scientific | 2007 |
| Forensic Witness UK Ltd | Administrative & support | 2024 |
| Forensics Bureau Ltd | Professional & scientific | 2022 |
| Foresight and Equity Solutions Limited | Public administration | 2020 |
| Foresight Property Business Ltd | Real estate | 2018 |
| Forest Bidco Limited | Financial services | 2022 |
| Forest Fresh Limited | Wholesale & retail | 1998 |
| Forest Hill (Sheltered) Housing Limited | Real estate | 1955 |
| Forest Midco 1 Limited | Financial services | 2022 |
| Forest Midco 2 Limited | Financial services | 2022 |
| Forest Pioneers Initiative Limited | Other services | 2021 |
| Forest Reach Management Company Limited | Households | 2019 |
| Foresta Brands Limited | Wholesale & retail | 2024 |
| Forever Clean Bins Ltd | Other services | 2017 |
| Forever Paid Limited | Wholesale & retail | 2023 |
| Forever Promotion Limited | Wholesale & retail | 2024 |
| Forever Young Face and Fitness Ltd | Arts & recreation | 2022 |