| Firesafe NW Ltd | Construction | 2022 |
| Fireseed Limited | Information & communication | 2005 |
| First City Fire and Security Limited | Administrative & support | 1991 |
| First Legal Finance Ltd | Administrative & support | 2002 |
| Firstpal Ltd | Wholesale & retail | 2020 |
| Fitness Body Store Limited | Administrative & support | 2014 |
| Fitzgerald & Bradley Ltd | Health & social care | 2010 |
| Fitzgerald Capital Group Ltd | Professional & scientific | 2026 |
| Fixings North West Holdings Limited | Wholesale & retail | 2022 |
| Fixings North West Limited | Wholesale & retail | 2007 |
| FJM Services Ltd | Administrative & support | 2015 |
| FKG Solutions Limited | Health & social care | 2025 |
| FL Health Care Ltd | Health & social care | 2024 |
| FL Solar Ltd | Wholesale & retail | 2013 |
| Flat Rate Financial Services Limited | Financial services | 2013 |
| Fleetwood Dockers Limited | Hospitality | 2010 |
| Fletcher Livingstone Holdings Limited | Professional & scientific | 1977 |
| Flex Office Limited | Extraterritorial | 2024 |
| Floating Media Limited | Professional & scientific | 2014 |
| Flock Creatives (Sale) Limited | Other services | 2022 |
| Floorbrite Holdings Limited | Professional & scientific | 1995 |
| Flor DE Madre Limited | Manufacturing | 2017 |
| Flora & Fizz Ltd | Wholesale & retail | 2025 |
| Florence & Vera Events Limited | Other services | 2025 |
| Floreno Limited | Construction | 2026 |
| Flourishing Homes Ltd | Real estate | 2023 |
| Flowpro Developments Ltd | Construction | 2020 |
| Flowpro GAS & Plumbing Services Limited | Construction | 2017 |
| Fluid Recruitment Contracting Limited | Administrative & support | 2015 |
| Flux 88 Ltd | Information & communication | 2020 |
| FLY Comply Ltd | Professional & scientific | 2024 |
| FMJ Consultants Limited | Professional & scientific | 2020 |
| FNW Holdings Ltd | Financial services | 2025 |
| Focus-Set Limited | Information & communication | 2020 |
| Folders (Altrincham) Limited | Administrative & support | 1998 |
| Fonefusionworld Limited | Wholesale & retail | 2025 |
| Fontaine Thoracic Consulting Ltd | Health & social care | 2019 |
| Food for Thought (NW) Limited | Hospitality | 2026 |
| Football FUN Factory (Community 043) Ltd | Arts & recreation | 2021 |
| Forber Limited | Real estate | 2016 |
| Force Investment Company Limited | Real estate | 2021 |
| Forces Services Company Limited | Administrative & support | 2023 |
| Forest Path Psychology Ltd | Health & social care | 2023 |
| Forman Property Ltd | Real estate | 2018 |
| Forme ICF Limited | Construction | 2020 |
| Formula PHI Limited | Real estate | 2019 |
| Formula Woman Media Events and Management Limited | Information & communication | 2021 |
| Fornyx Ltd | Information & communication | 2018 |
| Fortis Estate Management Ltd | Real estate | 2015 |
| Fortune a Day Limited | Real estate | 2022 |
| Forty Technologies Limited | Professional & scientific | 2024 |
| Forward Planning Limited | Financial services | 2013 |
| Fountain Records Limited | Wholesale & retail | 2025 |
| Four Gates Group Limited | Wholesale & retail | 2024 |
| Four in a ROW Properties Limited | Real estate | 2025 |
| Four Oaks Property Investments Ltd | Real estate | 2022 |
| Four Sisters Investments Limited | Real estate | 2025 |
| Fournierconsulting Ltd | Administrative & support | 2026 |
| Fourth Dimension Investment Group Ltd | Real estate | 2024 |
| Fourth Dimension Property Ltd | Real estate | 2021 |
| Fourth Dimension Storage Ltd | Real estate | 2024 |
| Fovea Asset Management Ltd | Professional & scientific | 2018 |
| FOX Property Group Ltd | Real estate | 2022 |
| Foxford Civils Ltd | Construction | 2019 |
| FR Quality Ltd | Information & communication | 2022 |
| Fractional Marketing Ltd | Professional & scientific | 2025 |
| Fractiva Limited | Information & communication | 2009 |
| Frafiq Ltd | Wholesale & retail | 2024 |
| Framingham Consulting Ltd | Professional & scientific | 2011 |
| Framingham Flat Management Company Limited | Households | 1972 |
| Francis Bradshaw Partnership LLP | | 2005 |
| Francoms Global Ltd | Real estate | 2017 |
| Frank Quinn Limited | Health & social care | 2002 |
| Fransmithcreative Ltd | Information & communication | 2024 |
| Freedom Personal Safety Community Interest Company | Education | 2008 |
| Freego(Uk) Ltd | Administrative & support | 2025 |
| Freeman IT Consulting Limited | Information & communication | 2014 |
| Fremantle Enterprises Ltd | Real estate | 2022 |
| French Feeling Ltd | Hospitality | 2019 |
| Fresh Ground Limited | Financial services | 2025 |
| Freshfields Energy Storage Limited | Other services | 2023 |
| Frogbrick Limited | Real estate | 2013 |
| Front ROW Brewing Limited | Manufacturing | 2006 |
| Frontiersob Limited | Professional & scientific | 2026 |
| Frozen Plum Ltd | Wholesale & retail | 2024 |
| FSG Payroll Ltd | Administrative & support | 2018 |
| Fsjohn Healthcare Ltd | Administrative & support | 2024 |
| Fu-Technologies Ltd | Information & communication | 2023 |
| Fujian Taiwan Culture and Economic Exchange Promotion Association in UK Limited | Other services | 2018 |
| Fully Charged Entertainment Ltd | Arts & recreation | 2023 |
| FUN4KIDS Childcare Burtonwood Ltd | Health & social care | 2024 |
| FUN4KIDS Childcare LLP | | 2004 |
| Funding for Education Ltd | Financial services | 2009 |
| Funky Green Solutions Limited | Construction | 2021 |
| FUR Fashions Limited | Wholesale & retail | 2015 |
| Furniflow Ltd | Construction | 2024 |
| Fusion Okini Ltd | Hospitality | 2023 |
| Fusion Plate Sale Limited | Wholesale & retail | 2021 |
| Fusionright Ltd | Information & communication | 2025 |
| Fusiontech Consulting Limited | Information & communication | 2010 |