| Fireplace Factory Direct (Birmingham) Ltd | Manufacturing | 2018 |
| Fireworks Direct (Midlands) Limited | Wholesale & retail | 2008 |
| Fireworks Direct (West Midlands) Ltd | Wholesale & retail | 2024 |
| First Class Concierge Ltd | Transport & logistics | 2026 |
| Fish Under the Bridge Ltd | Wholesale & retail | 2026 |
| Fist Online Ltd | Wholesale & retail | 2026 |
| Fitbox Services Ltd | Education | 2021 |
| Fitzroy Group Limited | Real estate | 2023 |
| Five Dwellings Ltd | Real estate | 2021 |
| Five Rivers Leamington Ltd | Hospitality | 2019 |
| Five Star Formation UK Limited | Construction | 2019 |
| Fivecapital Ltd | Hospitality | 2014 |
| FIX & Flip Ltd | Construction | 2025 |
| Flagship Homes Limited | Real estate | 2025 |
| Flame Holdings Ltd | Extraterritorial | 2021 |
| Flash Transport Ltd | Transport & logistics | 2025 |
| Flawless Cleaning Ltd | Administrative & support | 2011 |
| Fleet Sync Solutions Ltd | Wholesale & retail | 2025 |
| Flexway Logistics Ltd | Transport & logistics | 2026 |
| Floor Street Ltd | Professional & scientific | 2021 |
| Florencia Recruiting Ltd | Administrative & support | 2021 |
| Flourish Community Health Collaborative CIC | Health & social care | 2024 |
| Flow and Flame Ltd | Construction | 2025 |
| Fluxoraz Limited | Wholesale & retail | 2025 |
| FLY by Air Limited | Administrative & support | 2007 |
| Flying Boxes Ltd | Wholesale & retail | 2015 |
| FM Optics Limited | Wholesale & retail | 2015 |
| Fmkuk Ltd | Real estate | 2016 |
| Fojofo Kitchen Ltd | Hospitality | 2025 |
| Folsom Computers Ltd | Construction | 2020 |
| Folsom Software Ltd | Construction | 2020 |
| Folsum Solutions Ltd | Construction | 2020 |
| Fonke Limite Limited | Health & social care | 2024 |
| Fonzo Tech Ltd | Wholesale & retail | 2026 |
| Food HUT B66 Ltd | Hospitality | 2023 |
| Food Street Baker Ltd | Wholesale & retail | 2019 |
| Foodpasion Ltd | Hospitality | 2026 |
| Football Kits Direct Limited | Wholesale & retail | 2005 |
| Forge Mastering Studios Ltd | Information & communication | 2023 |
| Formosa Smile Ltd | Health & social care | 2023 |
| Formula Restaurant Limited | Hospitality | 2018 |
| Fortal Projects Ltd | Construction | 2020 |
| Fortal Solutions Ltd | Construction | 2020 |
| Fortec Ltd | Construction | 2020 |
| Fortel Projects Ltd | Construction | 2020 |
| Fortel Systems Ltd | Construction | 2020 |
| Fortis GRP Ltd | Professional & scientific | 2026 |
| Fortis MSS Limited | Real estate | 2020 |
| Fortis Software Ltd | Information & communication | 2020 |
| Fortisguard Security Service Limited | Administrative & support | 2025 |
| Fortitude Housing Limited | Real estate | 2022 |
| Fortknox Bespoke Fabrications Ltd | Manufacturing | 2023 |
| Fortle Ltd | Construction | 2020 |
| Fortress Computers Ltd | Construction | 2020 |
| Fortress GRP Limited | Information & communication | 2020 |
| Fortress Wealth Management Ltd | Professional & scientific | 2026 |
| FORTUN8 Ltd | Wholesale & retail | 2021 |
| Fortuna Solutions Ltd | Construction | 2020 |
| Fortune Crest Ltd | Other services | 2026 |
| Fortune Vale Ltd | Other services | 2026 |
| Forty One High Street Limited | Hospitality | 2014 |
| Forward Live Presents Limited | Arts & recreation | 2025 |
| Four Direction Courier Ltd | Transport & logistics | 2020 |
| Four Pillars Capital Limited | Real estate | 2020 |
| FOX Jones Products Ltd | Information & communication | 2022 |
| Fragrances at Mahsons Limited | Wholesale & retail | 2025 |
| Framedcash Ltd | Wholesale & retail | 2026 |
| Freedom to Care Services Ltd | Health & social care | 2024 |
| Freemans (UK) Limited | Real estate | 2008 |
| Freeze XI Limited | Manufacturing | 2020 |
| Fresh Fried Chicken Ltd | Hospitality | 2026 |
| Fresh UK Fries Chicken Ltd | Hospitality | 2025 |
| Fresno Solutions Ltd | Construction | 2020 |
| Friendly Cleaners Ltd | Administrative & support | 2024 |
| Friendly Grill Ltd | Hospitality | 2023 |
| Friends Accounting Services Limited | Professional & scientific | 2016 |
| Friends Jewellers (Retail) Ltd | Wholesale & retail | 2018 |
| Friends of Brandonhill Ltd | Health & social care | 2024 |
| Frittella Limited | Hospitality | 2022 |
| Frontcourt Media Ltd | Information & communication | 2012 |
| FTH Transport Ltd | Transport & logistics | 2025 |
| Fuge Tare Ltd | Transport & logistics | 2025 |
| FUL IT Ltd | Construction | 2020 |
| Funline Products Limited | Wholesale & retail | 2018 |
| Furnico Village Ltd | Wholesale & retail | 2017 |
| FW Holding (BIR) Limited | Real estate | 2021 |
| G & G Properties WM Ltd | Real estate | 2021 |
| G & P B'Ham Ltd | Construction | 2016 |
| G RAI Logistics Ltd | Transport & logistics | 2020 |
| G S Doaba Transport Limited | Transport & logistics | 2025 |
| G S Driving School Ltd | Education | 2023 |
| G Travel Ltd | Transport & logistics | 2011 |
| G&D Projects Ltd | Construction | 2013 |
| G&R Estate Group Ltd | Real estate | 2025 |
| G. Moffat Ltd | Health & social care | 2015 |
| G.A.S. GAS Appliances Service Limited | Manufacturing | 2002 |
| G2 Land and Properties Ltd | Real estate | 2024 |
| G21 Transport Ltd | Transport & logistics | 2026 |
| G3 Group Properties Ltd | Real estate | 2024 |
| G55 Ltd | Real estate | 2021 |