| Flex Physiques Limited | Arts & recreation | 2017 |
| Flexihomes Ltd | Real estate | 2025 |
| FLH Accountants Limited | Professional & scientific | 2015 |
| Flint Lettings Ltd | Real estate | 2026 |
| Flixfluss Ltd | Information & communication | 2020 |
| Floors 4 YOU Ltd | Wholesale & retail | 2022 |
| Floors Retail Limited | Wholesale & retail | 2019 |
| Flowright Heating and Plumbing Ltd | Construction | 2025 |
| Flowwell Components Ltd | Wholesale & retail | 2025 |
| FMJ Products Ltd | Manufacturing | 2016 |
| FNH Investments Limited | Financial services | 2012 |
| Fnplocum Limited | Professional & scientific | 2025 |
| Fodvo Care for US Ltd | Health & social care | 2023 |
| Foil Investments Limited | Real estate | 2021 |
| Foley DEC Ltd | Construction | 2019 |
| Follimax UK Limited | Other services | 2021 |
| Fonty Limited | Wholesale & retail | 2016 |
| Foot Health Training Ltd | Education | 2024 |
| Forecast Finance Limited | Financial services | 2022 |
| Forest Wind Food Ltd | Wholesale & retail | 2024 |
| Forever Lily Limited | Wholesale & retail | 2021 |
| Forge Cottages Management Company (2003) Ltd | Professional & scientific | 2004 |
| Forge Lane Tyres Ltd | Other services | 2016 |
| Formon Ltd | Professional & scientific | 2024 |
| Forte (Midlands) Limited | Wholesale & retail | 2025 |
| Fortress Fire Doors Ltd | Public administration | 2026 |
| Fortress Holdings (Midlands) Ltd | Administrative & support | 2018 |
| Fortsmead Limited | Real estate | 1987 |
| Fortsmead Properties Ltd | Real estate | 2025 |
| Foundry Talent Solutions Limited | Administrative & support | 2025 |
| Fountain Logistics Ltd | Transport & logistics | 2025 |
| Fountain of Joy Limited | Real estate | 2025 |
| Four D Contracts Ltd | Construction | 2021 |
| Four Seasons Air Conditioning Supplies (Holdings) Limited | Professional & scientific | 2024 |
| Four Seasons Legal Limited | Professional & scientific | 2024 |
| Four Winds Engineering Limited | Manufacturing | 1997 |
| Fourmasters Holdings and Investments Ltd | Financial services | 2023 |
| Fourmasters Property Ltd | Real estate | 2024 |
| Fowkes Trading Limited | Construction | 2024 |
| Fownd Brewing Company Limited | Manufacturing | 2024 |
| FOX Force Financial Ltd | Financial services | 2025 |
| Foxmart Limited | Wholesale & retail | 2020 |
| Foxoak Services Limited | Transport & logistics | 2020 |
| Franchise Visions Ltd | Professional & scientific | 2026 |
| Frank Guest Residential Properties Ltd | Real estate | 2026 |
| Franklin Delivery Limited | Transport & logistics | 2025 |
| Frazer Nash Car Club Limited | Administrative & support | 2005 |
| Frazer Nash Limited | Administrative & support | 2005 |
| FRD Automotives Ltd | Wholesale & retail | 2025 |
| Freco Limited | Health & social care | 2021 |
| Frederickson Pinnell Limited | Professional & scientific | 2014 |
| Free Issue Machining Limited | Manufacturing | 2001 |
| Freedom Candles Ltd | Other services | 2025 |
| Freedom Frog Ltd | Financial services | 2023 |
| Freedom Properties CH Ltd | Real estate | 2019 |
| Freedworld Ltd | Construction | 2019 |
| Freegazer Ltd | Wholesale & retail | 2018 |
| Fresh AS a Daisy - Cleaning & Domestic Services Ltd | Administrative & support | 2020 |
| Freshfield Care Limited | Health & social care | 2004 |
| Frias Gate Care Limited | Health & social care | 2013 |
| Fridays Child Ventures Limited | Information & communication | 2026 |
| Friend Travel Ltd | Administrative & support | 2023 |
| Friends Advisers Ltd | Financial services | 2015 |
| Friends of Netherton Park | Other services | 2006 |
| Frisby Holdings Limited | Real estate | 2017 |
| Frodesley Hall Farm Barns Management Company Limited | Households | 2005 |
| Frost Property Enterprise &Management Ltd | Financial services | 2024 |
| Fruitdose Ltd | Manufacturing | 2025 |
| FSG Holdings Limited | Financial services | 2018 |
| FTM Mortgage Services Limited | Financial services | 2018 |
| FUN City DY1 Entertainment Ltd | Hospitality | 2025 |
| FUN City Laser TAG Ltd | Arts & recreation | 2025 |
| FUN City Simulators Ltd | Arts & recreation | 2025 |
| FUN Stores Limited | Wholesale & retail | 2021 |
| Fungible Commerce Limited | Financial services | 2019 |
| Funicular Productions Ltd | Arts & recreation | 2018 |
| Funny Study Learning Ltd | Education | 2025 |
| Furever Amore Ltd | Wholesale & retail | 2024 |
| Furniture for the Home (Holdings) Limited | Financial services | 2016 |
| Furniture for the Home Ltd | Wholesale & retail | 2011 |
| Furniture for the Home Outlet Ltd | Wholesale & retail | 2020 |
| Futech Tafmax Ltd | Professional & scientific | 2026 |
| Future Gold Limited | Administrative & support | 2025 |
| Future Proof Health Limited | Health & social care | 2014 |
| Futureforte BD Ltd | Education | 2024 |
| Fuzzy Leisure Ltd | Hospitality | 2025 |
| FZ Express Ltd | Wholesale & retail | 2023 |
| G & J B Investments Ltd | Households | 2025 |
| G & J Optical Ltd | Health & social care | 2019 |
| G and H Estates Ltd | Households | 2017 |
| G Bhandal Transport Ltd | Transport & logistics | 2019 |
| G C Construction (Midlands) Ltd | Construction | 2024 |
| G D Plumbing & Heating Limited | Construction | 2005 |
| G F Laser Limited | Manufacturing | 2003 |
| G J H Investments Limited | Financial services | 2012 |
| G M H Transport Ltd | Transport & logistics | 2019 |
| G Mills Consulting Ltd | Professional & scientific | 2024 |
| G Square UK Consulting Ltd | Professional & scientific | 2025 |
| G T Baker Investments Ltd | Real estate | 2025 |
| G Thomas Building Services Ltd | Construction | 2024 |