| Fred(Ses) Limited | Information & communication | 2022 |
| Free Church of England Central Trust(The) | Other services | 1941 |
| Freedom Bathrooms & Mobility Ltd | Wholesale & retail | 2022 |
| Freedom Light Chapel International Limited | Other services | 2018 |
| Freedom Way Healthcare Limited | Health & social care | 2014 |
| Freelance Care Limited | Wholesale & retail | 2015 |
| Freelance Inspection Testing Limited | Energy | 2014 |
| Freeman Carr Limited | Extraterritorial | 2009 |
| Freemans Confectionery Supplies Limited | Wholesale & retail | 1993 |
| Freemans Property Management Company Limited | Construction | 2021 |
| Freemove Limited | Real estate | 2012 |
| Freer Street Kitchen Ltd | Hospitality | 2023 |
| Freight Expert Ltd | Wholesale & retail | 2021 |
| Freight Fulfilment Limited | Transport & logistics | 2015 |
| Freightstar Ltd | Transport & logistics | 2026 |
| Fresh Festival Cleaners Limited | Administrative & support | 2026 |
| Fresh Glow Aesthetics Ltd | Other services | 2021 |
| Fresh Groceries Ltd | Wholesale & retail | 2021 |
| Fresh Space Cleaning Solutions Ltd | Administrative & support | 2026 |
| Freshco Stores UK Ltd | Wholesale & retail | 2025 |
| Freshflock Ltd | Wholesale & retail | 2025 |
| Freshwater Coolers PLC | Administrative & support | 1999 |
| Freshwater Land Limited | Real estate | 2019 |
| Frezon Ltd | Health & social care | 2024 |
| Friargate Limited | Professional & scientific | 1996 |
| Friel Construction Limited | Construction | 1995 |
| Friel Holdings Limited | Financial services | 2022 |
| Friel Homes Limited | Real estate | 1986 |
| Friendly Gym Pelsall Limited | Arts & recreation | 2024 |
| Friezland Lane 1958 Limited | Extraterritorial | 2014 |
| Frizzy Enterprise Ltd | Agriculture & fishing | 2023 |
| FRM Performance Ltd | Wholesale & retail | 2020 |
| Froissart Ltd | Construction | 2025 |
| Frontier Creations Ltd | Wholesale & retail | 2026 |
| Frontline Travel Ltd | Transport & logistics | 2022 |
| Frontrow First Class Limited | Health & social care | 2019 |
| Frozen Value Limited | Wholesale & retail | 1971 |
| Frresh Limited | Transport & logistics | 2022 |
| FRS Countrywear Limited | Wholesale & retail | 2003 |
| Frutta Fresca Ltd | Manufacturing | 2019 |
| Fryday Chippy & Pizza Ltd | Hospitality | 2021 |
| FS Creations Ltd | Wholesale & retail | 2020 |
| FSA Care Limited | Public administration | 2025 |
| FSH-A1 Consultancy Ltd | Professional & scientific | 2023 |
| FSS Building Contractors Ltd | Real estate | 2024 |
| FTP Services Limited | Wholesale & retail | 2024 |
| Fubar Holdings Limited | Information & communication | 2018 |
| Fubar Productions Limited | Information & communication | 2021 |
| Fubar Radio Limited | Information & communication | 2006 |
| Fuchsia Key Limited | Real estate | 2021 |
| Fugo Graphics Ltd | Manufacturing | 2018 |
| Full Drive Consultants Ltd | Professional & scientific | 2025 |
| Full GAS Coffee Co Ltd | Wholesale & retail | 2024 |
| Full Life Cycle Project Services Ltd | Professional & scientific | 2016 |
| Full Stack Critical Power Ltd | Manufacturing | 2025 |
| Full Throttle Racing Ltd | Wholesale & retail | 2014 |
| Fullbrook Taverns Ltd | Hospitality | 2016 |
| Funky Grill Bloxwich Limited | Hospitality | 2025 |
| Funmyte Care Ltd | Health & social care | 2017 |
| Funsea Care Ltd | Health & social care | 2020 |
| Furdeco Limited | Transport & logistics | 2020 |
| Furniture Emporium Midlands Limited | Wholesale & retail | 2015 |
| Furniture Haven Ltd | Wholesale & retail | 2026 |
| Furniture LUX Ltd | Wholesale & retail | 2026 |
| Fusion Electrical Contractors Limited | Construction | 2008 |
| Fusion Holdings Midlands Limited | Professional & scientific | 2011 |
| Fusion Industrial Limited | Manufacturing | 2007 |
| Fusion Landscaping & Facilities Group Limited | Financial services | 2024 |
| Fusion Landscaping & Facilities Ltd | Administrative & support | 2021 |
| Fust Fire Ltd | Public administration | 2025 |
| Futura Assets Limited | Real estate | 2023 |
| Future Focus Homes Ltd | Health & social care | 2023 |
| Future Kitchen Designs Limited | Manufacturing | 2016 |
| Future Living Group Ltd | Health & social care | 2020 |
| Future Living Services Ltd | Manufacturing | 2020 |
| Future-Focus Accountants Limited | Professional & scientific | 2023 |
| Futurestate Consultancy Ltd | Information & communication | 2023 |
| Fuzion Consultancy Ltd | Professional & scientific | 2017 |
| FWA Automotive Ltd | Manufacturing | 2025 |
| FYA. Consultancy Ltd | Professional & scientific | 2020 |
| Fyntrix Limited | Information & communication | 2025 |
| G & C Aviation Limited | Manufacturing | 2019 |
| G & R Development and Construction Limited | Real estate | 2017 |
| G & S Plastering Limited | Construction | 2012 |
| G & T Holdings Limited | Construction | 2006 |
| G Anson Electrical Limited | Construction | 2018 |
| G Blessing Ltd | Administrative & support | 2025 |
| G E S Birmingham Limited | Administrative & support | 2017 |
| G G Price Enterprise Limited | Real estate | 2018 |
| G Hunt Limited | Administrative & support | 2014 |
| G K Electrical Midlands Limited | Construction | 2025 |
| G K Properties (W M) Limited | Households | 2025 |
| G K Wines Ltd | Wholesale & retail | 2024 |
| G M Brickwork Contractors Limited | Construction | 2002 |
| G M Building & Diggers Limited | Administrative & support | 2016 |
| G M Nanny Ltd | Health & social care | 2025 |
| G Mundi Limited | Hospitality | 2025 |
| G N Machinery Limited | Construction | 2017 |
| G Simmons & Sons Holdings Limited | Financial services | 2024 |
| G Stow Limited | Construction | 1991 |