| Freynimh Ltd | Information & communication | 2025 |
| FRI Estates Limited | Construction | 2013 |
| Friargate Express Mini Mart Ltd | Wholesale & retail | 2024 |
| Friargate Foods Limited | Hospitality | 2024 |
| Friargate TAP Ltd | Hospitality | 2024 |
| Friday Club Properties Ltd | Real estate | 2026 |
| Friday Tax TIP Ltd | Administrative & support | 2002 |
| Friedenthals,Limited | Manufacturing | 1916 |
| Friedmann Properties Ltd | Real estate | 2023 |
| Friends of Edith Rigby CIC | Arts & recreation | 2025 |
| Friends of the Nabs Head Limited | Hospitality | 2024 |
| Frisk Credit Control Ltd | Professional & scientific | 2025 |
| Friths Court Management Company Limited | Administrative & support | 2003 |
| FRK Financial Services Limited | Financial services | 2021 |
| Frontier Planning Ltd | Professional & scientific | 2024 |
| Frontline DTD Ltd | Other services | 2026 |
| Frontline Freight Ltd | Transport & logistics | 2018 |
| Frontline Sales Consultancy Limited | Professional & scientific | 2010 |
| Frosting Services and Fabricating Ltd | Manufacturing | 2026 |
| Frozen Computers Limited | Wholesale & retail | 2025 |
| Frozen Dough Co Limited | Manufacturing | 2024 |
| Frozen Food Limited | Hospitality | 2016 |
| FRS Realisations 2016 Limited | Administrative & support | 2008 |
| Frtt Logistics Limited | Transport & logistics | 2025 |
| Fruitful Streams Trading Limited | Wholesale & retail | 2026 |
| Fryars Ltd | Professional & scientific | 2023 |
| FS 2026 Ltd | Real estate | 2026 |
| FS Developments Limited | Construction | 2017 |
| FS Tyre Bay Ltd | Wholesale & retail | 2023 |
| FS Valli Investments Ltd | Real estate | 2025 |
| Fsec Distribution Ltd | Wholesale & retail | 2024 |
| Fsec Motors Ltd | Wholesale & retail | 2024 |
| FSK Store Ltd | Wholesale & retail | 2026 |
| FSK Ventures Ltd | Information & communication | 2023 |
| Fsmith Properties Ltd | Real estate | 2025 |
| Fsmith Stays Ltd | Hospitality | 2026 |
| FSR Solutions Ltd | Wholesale & retail | 2018 |
| Fszs Supplies Ltd | Wholesale & retail | 2025 |
| FT DMD Ltd | Health & social care | 2022 |
| FTD Building Contractors Ltd | Construction | 2020 |
| FTD Projects Ltd | Construction | 2024 |
| Ftgrc Limited | Professional & scientific | 2026 |
| Ftgutilities Ltd | Construction | 2020 |
| FTL Housing Limited | Real estate | 2025 |
| Ftsn-Pm Services Ltd | Construction | 2019 |
| Fudge That Candy OFF Ltd | Wholesale & retail | 2025 |
| Fuelled Media Limited | Professional & scientific | 2026 |
| Fulcrum Films Limited | Manufacturing | 2000 |
| Full Circle Property Solutions Ltd | Construction | 2026 |
| Full Flow Restored Limited | Administrative & support | 2017 |
| Full of Flavour Limited | Hospitality | 2008 |
| Fuller-Coat Limited | Construction | 2019 |
| Fullwood Motors Ltd | Wholesale & retail | 2020 |
| Fulway Dormant 1 Limited | Professional & scientific | 1906 |
| Fulwood & Broughton Cricket Club Limited | Arts & recreation | 2026 |
| Fulwood & Broughton Cricket Supporters Club Limited | Hospitality | 2026 |
| Fulwood Barbers Ltd | Other services | 2022 |
| Fulwood Catering Ltd | Hospitality | 2023 |
| Fulwood CIC | Health & social care | 2020 |
| Fulwood Consultancy Ltd | Professional & scientific | 2025 |
| Fulwood Electrical Ltd | Energy | 2014 |
| Fulwood Estate Agents Ltd | Real estate | 2025 |
| Fulwood Estates Investments Limited | Real estate | 2006 |
| Fulwood Garage Ltd | Wholesale & retail | 2018 |
| Fulwood Health Ltd | Real estate | 2020 |
| Fulwood Investments Limited | Real estate | 2021 |
| Fulwood IT Ltd | Information & communication | 2010 |
| Fulwood Park (Preston NO.2) Management Company Limited | Households | 2006 |
| Fulwood Park Management Company (NO 2) Limited | Real estate | 2004 |
| Fulwood Park Management Company Limited | Administrative & support | 2001 |
| Fulwood Physiotherapy Ltd | Health & social care | 2011 |
| Fulwood Services Limited | Real estate | 2006 |
| Fulwood Upholstery Services Ltd | Manufacturing | 2023 |
| Fumex Installations Limited | Manufacturing | 1999 |
| FUN at Work Ltd | Administrative & support | 2018 |
| FUN for Old People Limited | Hospitality | 2009 |
| FUN Valley Events (NW) Ltd | Health & social care | 2026 |
| Functions for YOU Ltd | Other services | 2013 |
| Funghibonus Ltd | Arts & recreation | 2023 |
| Funkii Skincare Ltd | Other services | 2023 |
| Funky Graphics Limited | Manufacturing | 2010 |
| FURN4 Ltd | Wholesale & retail | 2017 |
| Furniflow Global Ltd | Wholesale & retail | 2024 |
| Furnish Guru Global Limited | Wholesale & retail | 2025 |
| Furnished With Style Limited | Wholesale & retail | 2018 |
| Furniture Component Sales Limited | Wholesale & retail | 2016 |
| Furniture Optimus Ltd | Manufacturing | 2020 |
| Furniture Remanufacturing Limited | Manufacturing | 2011 |
| Furnituremate Ltd | Wholesale & retail | 2021 |
| Furr Dressers Ltd | Other services | 2010 |
| Furyan Fitness Ltd | Arts & recreation | 2026 |
| Furze Media Limited | Information & communication | 2024 |
| Furze Property Limited | Real estate | 2024 |
| Fuse Investments Ltd | Real estate | 2017 |
| Fused Compliance Ltd | Professional & scientific | 2026 |
| Fusion Design Consultants Limited | Professional & scientific | 2003 |
| Fusion Driveways Limited | Administrative & support | 2022 |
| Fusion Group Holdco Limited | Financial services | 2026 |
| Fusion Market Place Ltd | Wholesale & retail | 2024 |
| Fusion Outdoors Limited | Hospitality | 2010 |