| Flywheel Scientific Limited | Professional & scientific | 2024 |
| FM Recovery Ltd | Transport & logistics | 2026 |
| Fmcsquared Consulting Ltd | Other services | 2018 |
| FMG UK Investments Ltd | Financial services | 2022 |
| Fmsy Property Group Ltd | Real estate | 2025 |
| FMV Trans Ltd | Transport & logistics | 2024 |
| FN Pipes Ltd | Construction | 2020 |
| Foam Land Ltd | Wholesale & retail | 2023 |
| Foca Enterprise Ltd | Real estate | 2025 |
| Focus Academy Trust (UK) Ltd | Education | 2012 |
| Focus Digital Marketing Limited | Professional & scientific | 2025 |
| Focus Education Training Limited | Education | 2018 |
| Focus UK One Ltd | Administrative & support | 2016 |
| Focused Care C.I.C. | Health & social care | 2016 |
| Foederatio Caelum Regni Uniti Ltd | Professional & scientific | 2026 |
| Fola PS Ltd | Wholesale & retail | 2026 |
| Folabim Limited | Health & social care | 2019 |
| Folos Consulting Limited | Wholesale & retail | 2024 |
| Fone Kingdom Limited | Wholesale & retail | 2025 |
| Font Project Limited | Professional & scientific | 2023 |
| Food Oldham Ltd | Hospitality | 2026 |
| Foodbank Forklifts C.I.C. | Education | 2024 |
| Foodiefy Ltd | Wholesale & retail | 2025 |
| Foodies Oldham Ltd | Hospitality | 2019 |
| Foodville Limited | Hospitality | 2024 |
| Footlong (UK) Ltd | Hospitality | 2014 |
| Footlong Properties Limited | Real estate | 2021 |
| FOR ALL Generation Limited | Wholesale & retail | 2025 |
| FOR Purpose Ltd | Administrative & support | 2024 |
| FOR44 Ltd | Real estate | 2016 |
| Forbes Logistics Ltd | Transport & logistics | 2018 |
| Forbes Trading Ltd | Wholesale & retail | 2025 |
| Force Merch Ltd | Administrative & support | 2020 |
| Forcyte AI Ltd | Information & communication | 2025 |
| Ford Breakers Oldham Ltd | Other services | 2023 |
| Ford Engines and Gearbox Ltd | Other services | 2023 |
| Fords 4 U Ltd | Wholesale & retail | 2023 |
| Forefathers Family Law Limited | Professional & scientific | 2024 |
| Foresight Business Solutions Limited | Information & communication | 2010 |
| Forest Friends Pre-School Ltd | Education | 2024 |
| Forestoud Limited | Wholesale & retail | 2020 |
| Forever Green Health Care Ltd | Health & social care | 2025 |
| Forever Green Care Ltd | Health & social care | 2025 |
| Forever Scented Ltd | Manufacturing | 2024 |
| Forever Shine Carpet Cleaners Limited | Administrative & support | 2023 |
| Forexiti Capital Limited | Information & communication | 2024 |
| Forge Leadership and Performance Ltd | Administrative & support | 2026 |
| Forhyra Limited | Administrative & support | 2020 |
| Fork Ltd | Administrative & support | 1999 |
| Forma Group Ltd | Construction | 2024 |
| Forma Strong Ltd | Manufacturing | 2026 |
| Forproductions Limited | Information & communication | 2009 |
| Fortify Security Solutions Ltd | Administrative & support | 2019 |
| Fortify Ventures Ltd | Real estate | 2024 |
| Fortis Academia Ltd | Education | 2023 |
| Fortis HMS Ltd | Administrative & support | 2014 |
| Fortress Self Storage (Ashton-Under-Lyne) Limited | Other services | 2024 |
| Fortune Hub Ltd | Wholesale & retail | 2025 |
| Fortuneswell Dental Practice Ltd | Health & social care | 2009 |
| Forum Lighting Solutions Limited | Wholesale & retail | 2013 |
| Forward Estates Limited | Real estate | 2002 |
| FORYOU4YOU Ltd. | Administrative & support | 2017 |
| Fostering RK Ltd | Health & social care | 2026 |
| Fosterswood Properties Ltd | Real estate | 2017 |
| Foto Concept Limited | Professional & scientific | 2015 |
| Foundation for Digital Creativity C.I.C. | Education | 2017 |
| Founty Estates Ltd | Real estate | 2023 |
| Four Branches Ltd | Health & social care | 2023 |
| Four Heads Limited | Hospitality | 2025 |
| Four Peaces Consulting Ltd | Professional & scientific | 2024 |
| Four Rivers Group Ltd | Professional & scientific | 2024 |
| Four Star Marketing Ltd | Hospitality | 2023 |
| Fourways MOT and Repair Center Ltd | Wholesale & retail | 2025 |
| Fourways MOT Centre Ltd | Wholesale & retail | 2019 |
| Fourways Tyre & Repair Ltd | Wholesale & retail | 2023 |
| Fowlesautomotive Ltd | Wholesale & retail | 2024 |
| FOX Accountancy Services (Manchester) Limited | Professional & scientific | 2012 |
| FOX Inns Ltd | Hospitality | 2008 |
| FOX Shed Limited | Wholesale & retail | 2023 |
| Foxy C Flooring Ltd | Construction | 2024 |
| Foxy Flooring Ltd | Construction | 2018 |
| Foxy's Field Ltd | Arts & recreation | 2022 |
| FR Mechanical Site Services Ltd | Professional & scientific | 2026 |
| FR Nextreach Trading Ltd | Wholesale & retail | 2025 |
| Fragrance Specialist Ltd | Wholesale & retail | 2026 |
| Frameora Ltd | Wholesale & retail | 2025 |
| Frank Griffiths Motor Engineers Limited | Wholesale & retail | 2005 |
| Franklin Rich Ltd | Wholesale & retail | 2017 |
| Fray Management Limited | Administrative & support | 2015 |
| Freda Comms Ltd | Information & communication | 2024 |
| Fredizz Holdings Limited | Financial services | 2015 |
| Freedom Cleaning Services Limited | Administrative & support | 2022 |
| Freelance Tech Ltd | Wholesale & retail | 2024 |
| Freeman Accountancy Holdings Ltd | Financial services | 2023 |
| Freeman Accountancy Ltd | Professional & scientific | 2024 |
| Freeman Motors Ltd | Wholesale & retail | 2022 |
| Freepine Residents Association Limited | Households | 1984 |
| Freerun Private Services Limited | Transport & logistics | 2020 |
| Freestyle Asset Management Ltd | Administrative & support | 2020 |
| Freevoice Records Limited | Manufacturing | 2019 |