| First Choice Asian Foods Ltd | Wholesale & retail | 2003 |
| First Choice Professional Limited | Education | 2022 |
| First Class Building Services Limited | Construction | 2018 |
| First Class Medical Services Ltd | Health & social care | 2020 |
| First Class Trails Ltd | Administrative & support | 2025 |
| First Safety Training Services Ltd | Education | 2016 |
| First Seven Associates Group Ltd | Wholesale & retail | 2025 |
| Firstcare Solutions Ltd | Administrative & support | 2017 |
| Fisher & Ridgway, Limited | Agriculture & fishing | 1952 |
| Fit Kitch Ltd | Hospitality | 2024 |
| Five Star Fish Bar Nuneaton Ltd | Hospitality | 2025 |
| Five Star Fish Ltd | Wholesale & retail | 2024 |
| Five Star Nuneaton Limited | Wholesale & retail | 2024 |
| Five Star Roofing Ltd | Construction | 2005 |
| Fizz Origin Limited | Wholesale & retail | 2021 |
| FKD Limited | Wholesale & retail | 2026 |
| Flad-Madar Ltd | Transport & logistics | 2018 |
| Flaming Cloud Bookkeeping Ltd | Professional & scientific | 2023 |
| Flankes Ltd | Wholesale & retail | 2025 |
| Flavel Developments Limited | Real estate | 2025 |
| Flavius Butnariu Ltd | Professional & scientific | 2015 |
| Flavius Haulage Ltd | Transport & logistics | 2025 |
| Flejksy Ltd | Administrative & support | 2016 |
| Flemans Holdings Limited | Financial services | 2016 |
| Fletcher C Limited | Wholesale & retail | 2018 |
| Fletcher Evans Fabrications Ltd | Construction | 2023 |
| Flexpert Accounting Ltd | Professional & scientific | 2023 |
| Flipfix Limited | Manufacturing | 2013 |
| Florin.Lucan Ltd | Transport & logistics | 2019 |
| Flowtechpipelines Limited | Construction | 2024 |
| Flying Spares Corporate Trustees Limited | Professional & scientific | 2019 |
| Focusteck Ltd | Information & communication | 2023 |
| Foegio Limited | Professional & scientific | 2014 |
| Fogap Properties Ltd | Real estate | 2026 |
| FOOD31 Ltd | Hospitality | 2024 |
| FOR Floofsake Dog Grooming Ltd | Other services | 2023 |
| FOR the Masses Ltd | Real estate | 2023 |
| Forambrown Ltd | Other services | 2020 |
| Forces Resettlement Services CIC | Administrative & support | 2009 |
| Foregreen Ltd | Real estate | 1998 |
| Forest Oak Management Company Limited | Households | 2015 |
| Forexfor Ltd | Financial services | 2020 |
| Forge Care 2 Limited | Health & social care | 2022 |
| Forge Care Limited | Financial services | 2022 |
| Forma Development Group Limited | Construction | 2026 |
| Formae Opifex Holdings Ltd | Financial services | 2026 |
| Formed Interiors Limited | Construction | 2016 |
| Formulex Ltd | Wholesale & retail | 2017 |
| Fort Carpentry & Construction Ltd | Construction | 2025 |
| Fort Facades Ltd | Construction | 2020 |
| Fort Fixing Services Ltd | Manufacturing | 2024 |
| Fort Project Management Ltd | Construction | 2019 |
| Forthlin Projects Ltd | Professional & scientific | 2026 |
| Fortis Fleet Services Ltd | Wholesale & retail | 2025 |
| Fortress 5 Ltd | Real estate | 2023 |
| Forza Service Centre Ltd | Wholesale & retail | 2025 |
| Fountain of Grace Ltd | Hospitality | 2022 |
| Fountain Wells C.I.C. | Hospitality | 2025 |
| Four Doors Down Ltd | Real estate | 2022 |
| Four Straight Lines Ltd | Professional & scientific | 2015 |
| Four Winds Forest School Ltd | Education | 2023 |
| FOX Hollow (Earl Shilton) Management Company Limited | Households | 2006 |
| FOX Mallory Ltd | Professional & scientific | 2024 |
| FOX Teach Limited | Education | 2016 |
| FOX68 Ltd | Wholesale & retail | 2019 |
| Foxglove Park (H Hargate) Management Company Limited | Households | 2004 |
| FP Housing Limited | Real estate | 2025 |
| FRA Trans Ltd | Transport & logistics | 2017 |
| Fragola Engineering Ltd | Professional & scientific | 2016 |
| Fraktl Ltd | Manufacturing | 2023 |
| Frank and Sharon Limited | Health & social care | 2018 |
| Fransadieoli Holdings Limited | Professional & scientific | 2008 |
| Free Spirit Narrowboats Limited | Administrative & support | 2022 |
| Freedom Cloud Accounting Ltd | Professional & scientific | 2023 |
| Freedom First Ltd | Other services | 2025 |
| Freedom Train Associates Limited | Professional & scientific | 2011 |
| Freeform Design Ltd | Professional & scientific | 2021 |
| Fresh Goods Daily Ltd | Wholesale & retail | 2023 |
| Frgn Ltd | Information & communication | 2022 |
| Frio Cars Ltd | Transport & logistics | 2025 |
| FRM Properties Limited | Real estate | 2021 |
| Frowen LLP | | 2013 |
| Fränkische UK Ltd. | Construction | 1993 |
| FSM Control Ltd | Administrative & support | 2022 |
| FT Property Group Limited | Real estate | 2018 |
| Fuel Bar & Lounge Ltd | Hospitality | 2022 |
| Fuel to Go Ltd | Transport & logistics | 2017 |
| Full Length & FAB Ltd | Wholesale & retail | 2021 |
| Fullfat Project Limited | Wholesale & retail | 2024 |
| Funtastic (Nuneaton) Limited | Arts & recreation | 2017 |
| Furnish My Property Limited | Wholesale & retail | 2020 |
| Future Pro Academy Limited | Financial services | 2024 |
| Future Pro INT Limited | Arts & recreation | 2025 |
| Future Pro Limited | Arts & recreation | 2016 |
| Future Technology (Sensors) Ltd | Manufacturing | 2002 |
| FXS4 Limited | Financial services | 2022 |
| Fzsons Limited | Wholesale & retail | 2024 |
| G & Co Joinery Limited | Other services | 2013 |
| G & G UK Real Estate Limited | Real estate | 2019 |
| G & S Gardening Services (Coventry) Limited | Administrative & support | 2024 |