| Fitz-Joinery,Repairs & Recycling Limited | Construction | 2016 |
| Fitzgerald Computer Solutions Limited | Information & communication | 2012 |
| Fitzgeralds Midlands Hotel Ltd | Hospitality | 2024 |
| Fitzpatrick Mechanical Solutions Limited | Construction | 2024 |
| Fitzpatricks Signage Service Limited | Manufacturing | 2015 |
| Fitzsimmons Securities (UK) Limited | Administrative & support | 2025 |
| Fitzy Productions Limited | Arts & recreation | 2009 |
| Five Acre Farm Crowton Ltd | Agriculture & fishing | 2025 |
| Five Builders Ltd | Construction | 2024 |
| Five Cakes Ltd | Hospitality | 2023 |
| Five Children and Families Trust Ltd | Hospitality | 2001 |
| Five Eleven Solutions Limited | Information & communication | 2022 |
| Five Estates Group SPV Ltd | Real estate | 2020 |
| Five Fortunes Crosby Limited | Real estate | 2012 |
| Five Lanes Solar Limited | Energy | 2020 |
| Five SIX (Liverpool) Limited | Administrative & support | 1983 |
| Five SIX Zero Two (Liverpool) Limited | Financial services | 2024 |
| Five Star Formby Ltd | Wholesale & retail | 2016 |
| Five Star Products Distribution Limited | Manufacturing | 2005 |
| Five Star Property Holdings Limited | Financial services | 2017 |
| Five Star Store L7 Ltd | Wholesale & retail | 2026 |
| Five Star Takeaway Limited | Hospitality | 2020 |
| Five Stars Mini Market Ltd | Wholesale & retail | 2023 |
| Five Times Residential Limited | Real estate | 2022 |
| Five Trees House Limited | Hospitality | 2020 |
| Five Ways Kebab House Ltd | Hospitality | 2025 |
| Five Ways Pizza and Kebab Hoouse Limited | Hospitality | 2025 |
| Fivetwoalpha Limited | Health & social care | 2018 |
| FIX Electrical (NW) Ltd | Construction | 2025 |
| FIX IT Frank RTC Limited | Construction | 2024 |
| FIX IT Teach Solutions Ltd | Wholesale & retail | 2026 |
| FIX Smart Ltd | Wholesale & retail | 2025 |
| Fixaa Ltd | Construction | 2025 |
| Fixe Ltd | Wholesale & retail | 2026 |
| Fixed IT 4U Limited | Real estate | 2018 |
| FIXER17 Ltd | Construction | 2015 |
| Fixit Mobile Liverpool Ltd | Wholesale & retail | 2024 |
| FIXMOBILE7 Ltd | Wholesale & retail | 2024 |
| Fixzy Consulting Ltd | Information & communication | 2015 |
| Fizzical Aesthetics & Beauty Ltd | Other services | 2025 |
| Fizzy Newt Solutions Ltd | Information & communication | 2022 |
| Fizzzbee Limited | Other services | 2024 |
| FJ Developers Ltd | Construction | 2017 |
| FJA Group Limited | Financial services | 2025 |
| FJB Electrical Service’S Ltd | Construction | 2019 |
| FJK Training Ltd | Education | 2022 |
| FJL Automation Ltd | Professional & scientific | 2022 |
| FJN Digital Limited | Wholesale & retail | 2025 |
| Fjneuromonitoring Ltd | Health & social care | 2025 |
| FJS Consultants Limited | Financial services | 2019 |
| Fjwilliams Ltd | Other services | 2016 |
| FK Property Management Ltd | Construction | 2025 |
| FKT Property Ltd | Real estate | 2022 |
| FKW Property Development Ltd | Real estate | 2024 |
| FL Healthcare Services Limited | Health & social care | 2024 |
| Flag & Whistle Limited | Education | 2022 |
| Flag Group Ltd | Health & social care | 2024 |
| Flag Insurance (Brokers) Limited | Financial services | 2006 |
| Flagellum DEI Ltd | Information & communication | 2018 |
| Flagroad Limited | Households | 1980 |
| Flagship Logistics Limited | Transport & logistics | 2015 |
| Flagship Money Guidance Limited | Financial services | 2012 |
| Flagship Transfers Limited | Transport & logistics | 2023 |
| Flagtree Developments Limited | Construction | 2018 |
| Flair Active Ltd | Wholesale & retail | 2023 |
| Flamant Aesthetics & Spmu Limited | Other services | 2019 |
| Flame Core Auto Services Ltd | Wholesale & retail | 2025 |
| Flame Safe Solutions Ltd | Public administration | 2024 |
| Flames Grill Liverpool Ltd | Hospitality | 2024 |
| Flames Tasty Food Ltd | Hospitality | 2024 |
| Flamingo Boulevard Bridal Ltd | Wholesale & retail | 2024 |
| Flanagan Building & Maintenance Services Ltd | Construction | 1997 |
| Flanagan Cleaning Services Ltd | Other services | 2008 |
| Flanagan Group Limited | Financial services | 2000 |
| Flanagan Investments Limited | Financial services | 2019 |
| Flanagan Property Services Ltd. | Real estate | 1998 |
| Flanclan Limited | Real estate | 2019 |
| Flarenova Ltd | Wholesale & retail | 2024 |
| Flasco Ltd | Construction | 2005 |
| Flash Developments (NW) Ltd | Construction | 2007 |
| Flash Interiors (NW) Ltd | Wholesale & retail | 2019 |
| Flat Roofing People Ltd | Construction | 2020 |
| Flat Solutions Limited | Real estate | 2010 |
| Flatdot Marketing Limited | Professional & scientific | 2019 |
| Flatech Ltd | Information & communication | 2026 |
| Flatline Properties Limited | Real estate | 2011 |
| Flats 4 YOU (UK) Ltd | Hospitality | 2019 |
| Flatzy Maintenance Ltd | Real estate | 2025 |
| Flavorfuel Limited | Hospitality | 2025 |
| Flavour H Ltd | Hospitality | 2025 |
| Flavour House Liverpool Limited | Hospitality | 2026 |
| Flavour Vapour Old Swan Limited | Wholesale & retail | 2016 |
| Flawless Makeover Studio 2015 Limited | Other services | 2015 |
| Flawless Trade Finishes Ltd | Construction | 2018 |
| Flawlessskinandlaserclinic Ltd | Administrative & support | 2017 |
| Fleebs Ltd | Real estate | 2025 |
| Fleet Consult Limited | Professional & scientific | 2024 |
| Fleet Settle Cars Limited | Administrative & support | 2017 |
| Fleetco Limited | Water & waste | 2010 |
| Fleetwash North West Limited | Wholesale & retail | 2014 |