| Exuma Property Ltd | Real estate | 2021 |
| Exvale Limited | Financial services | 2013 |
| Exwick House Management Company Limited | Households | 1990 |
| Exwick Local History CIC | Education | 2022 |
| EYE Care Surgical Limited | Health & social care | 2014 |
| Eyelush Boutique Beauty Bar Ltd | Other services | 2018 |
| EZ Mobile Auto Solutions Ltd | Wholesale & retail | 2026 |
| EZ Process Ltd | Transport & logistics | 2023 |
| F & J'S Tipsy Trailer Ltd | Hospitality | 2026 |
| F Pennington & SON Limited | Agriculture & fishing | 1951 |
| F W S C (Exmouth) Limited | Professional & scientific | 1982 |
| F&L Hostel & Catering Ltd | Hospitality | 2014 |
| F&W Forestry UK Limited | Agriculture & fishing | 2012 |
| F. & G. Lane (Exeter) Limited | Wholesale & retail | 1981 |
| F. and S. Gibbs Holdings Limited | Financial services | 2025 |
| F. and S. Gibbs Transport Services Limited | Transport & logistics | 1963 |
| F. Brown Associates LP | | 2012 |
| F. W. Codd Builders Ltd | Construction | 2004 |
| F.A. & E.M. Hill Limited | Agriculture & fishing | 1977 |
| F.A.B.Property Investment Company Limited | Households | 1962 |
| F.P.R. SW Limited | Construction | 2021 |
| F.T. Luckman & Co. Limited | Professional & scientific | 1946 |
| F.T. Luckman Holdings Limited | Financial services | 1979 |
| F8 Renovations Limited | Construction | 2015 |
| FA Pharma Ltd | Wholesale & retail | 2026 |
| FAB Carpet Cleaning Ltd | Administrative & support | 2018 |
| Fabian's Film Community Interest Company | Information & communication | 2014 |
| Fabrica Architecture Limited | Construction | 2012 |
| Fabulous Hair Brands Limited | Wholesale & retail | 2002 |
| Face IT Theatre Ltd | Arts & recreation | 2024 |
| Faceworks (SW) Limited | Other services | 2024 |
| Facility Support Services Ltd | Administrative & support | 2020 |
| FACO2214 Limited | Water & waste | 2018 |
| Factor P Community Interest Company | Professional & scientific | 2018 |
| Factory Agencies Ltd | Wholesale & retail | 2011 |
| Fade Hub Ltd | Other services | 2024 |
| Failte Homes Ltd | Real estate | 2024 |
| Fair Communications Limited | Professional & scientific | 2020 |
| Fair Isle Limited | Information & communication | 2022 |
| Fair Lettings Ltd | Real estate | 2023 |
| Fair Oak (Exeter) Management Company Limited | Real estate | 2003 |
| Fair Play Toolkit Limited | Professional & scientific | 2025 |
| Fair Price Windows and Doors Ltd | Construction | 2019 |
| Fairdays Ltd | Hospitality | 2016 |
| Fairfield Court (Management) Limited | Real estate | 1974 |
| Fairfield Mansions Management (Exeter) Limited | Households | 2006 |
| Fairlite Properties Limited | Administrative & support | 2002 |
| Fairoak Properties Limited | Hospitality | 2024 |
| Fairs Nature Recovery Ltd | Agriculture & fishing | 2026 |
| Fairsilver Limited | Extraterritorial | 2009 |
| Fairtown Limited | Real estate | 2016 |
| Fairview Terrace (Pinhoe) Limited | Households | 2009 |
| Falafelco Ltd | Hospitality | 2025 |
| Falco Boats Limited | Extraterritorial | 2012 |
| Falcon Office Furniture (UK) Limited | Manufacturing | 2003 |
| Falling Snow Creative Limited | Information & communication | 2023 |
| Familia Supra Omnia Ltd. | Real estate | 2015 |
| Family Garden Exeter CIC | Education | 2022 |
| Family Mediators Association | Other services | 1999 |
| Family Ties Contact Services Ltd | Health & social care | 2019 |
| FAN of Dessert Ltd | Hospitality | 2024 |
| Farizon South West Limited | Wholesale & retail | 2025 |
| Farm Animal Welfare Consulting Ltd | Professional & scientific | 2018 |
| Farmers Arms Inn Ltd | Hospitality | 2021 |
| Faros Foundation | Education | 2019 |
| Farringdon Court Management Limited | Households | 1996 |
| Farringdon Health & Beauty Limited | Health & social care | 2010 |
| Farringdon House Management Company Limited | Administrative & support | 1999 |
| Farrwebb Holdings Limited | Financial services | 2019 |
| FARWAY247 Limited | Construction | 2020 |
| Fast Dispatch Logistics Ltd | Transport & logistics | 2025 |
| Fast Response Services Ltd | Professional & scientific | 2022 |
| Fast-Toner Limited | Professional & scientific | 1979 |
| Fastlane International Limited | Wholesale & retail | 2022 |
| Fatore Consulting Ltd | Information & communication | 2022 |
| Faulhaber Design Limited | Professional & scientific | 1999 |
| Faulkner-Willcocks Limited | Hospitality | 2021 |
| Faultless Solutions Ltd | Administrative & support | 2024 |
| Fawkes Medical Ltd | Health & social care | 2020 |
| Faydella Limited | Extraterritorial | 2015 |
| FCG Holdings Ltd | Financial services | 2015 |
| FCG Properties Limited | Real estate | 2014 |
| FCG Property Developments Limited | Construction | 2018 |
| FCG Window Cleaning Ltd | Administrative & support | 2010 |
| FCT (UK) Limited | Public administration | 2007 |
| Fcto Communications Limited | Construction | 2001 |
| FD Solutions Limited | Professional & scientific | 2025 |
| FDP Wholesale Limited | Real estate | 2017 |
| FE Careers Ltd | Information & communication | 2000 |
| FE News.Co.Uk Ltd | Extraterritorial | 2004 |
| Fearne Design & Construction Ltd | Construction | 2003 |
| Fears Animal Products Limited | Manufacturing | 1996 |
| Feather Group Ltd | Hospitality | 2025 |
| Featurette Ltd | Information & communication | 2024 |
| FEC Ventures Ltd | Other services | 2026 |
| Feed the Goose Ltd | Wholesale & retail | 2015 |
| FEI DE Reve Limited | Wholesale & retail | 2025 |
| Feldspar Property Management Limited | Households | 2022 |
| Feller Property Rentals Limited | Real estate | 2021 |
| Fellows Hospitality Limited | Hospitality | 2022 |