| Explore Geiranger AS | Administrative & support | 2017 |
| Explore Ålesund AS | Arts & recreation | 2021 |
| Express Bilservice AS | Other services | 2002 |
| Express Maler Ålesund AS | Construction | 2021 |
| Express Pizzaria & Grill AS | Hospitality | 2024 |
| Expressnail & Beauty AS | Other services | 2018 |
| Exultar AS | | 2023 |
| Ezembra AS | Information & communication | 2004 |
| F.G Invest AS | | 2025 |
| Fab Wellness & Academy AS | Other services | 2022 |
| Fabrikken Kulturscene AS | Hospitality | 2025 |
| Fag Invest AS | | 2026 |
| Fagrør AS | Construction | 2020 |
| Fagrør Eiendom AS | Real estate | 2011 |
| Fagrør Holding AS | Construction | 2019 |
| Fagverket Bygg AS | Construction | 2014 |
| Falvorsen AS | | 2021 |
| Famar Shipping AS | Transport & logistics | 2013 |
| Famme Invest AS | Financial services | 2018 |
| Fanbase Capital AS | | 2022 |
| Fannrem Eiendom AS | Real estate | 2015 |
| Fannrem Megardsvegen 1 AS | Real estate | 2019 |
| Fargerike Breivika AS | Construction | 2018 |
| Farland Holding AS | Real estate | 2012 |
| Farmor Ingvarda AS | Wholesale & retail | 2007 |
| Farol Invest AS | Construction | 2007 |
| Farstad Eiendom AS | Real estate | 2023 |
| Farstad Foto AS | Professional & scientific | 2020 |
| Farvan AS | Wholesale & retail | 2008 |
| FASADE1 AS | Wholesale & retail | 2022 |
| Fast Eiendom Prosjekt Da | Real estate | 1999 |
| Fausken Eiendom AS | Real estate | 2013 |
| Fausken Invest AS | Real estate | 2005 |
| Fc-O AS | Wholesale & retail | 2017 |
| Fdo AS | | 2025 |
| Feelgood Ålesund AS | Arts & recreation | 2025 |
| Femina Helse AS | Health & social care | 2023 |
| Fenstra Nuf | Construction | 2017 |
| Fet Holding AS | | 2022 |
| Fetters Poteter Da | Hospitality | 1989 |
| Fetzer Holding AS | | 2022 |
| FG Gulv AS | Construction | 2012 |
| Fhander Holding AS | | 2026 |
| Fho AS | | 2023 |
| Fhp-Holding AS | | 2024 |
| Fico AS | Real estate | 2021 |
| Fida Invest AS | Financial services | 2013 |
| Fiducias AS | Administrative & support | 2015 |
| Fieldfare AS | Wholesale & retail | 2026 |
| Filmpro AS | Information & communication | 2019 |
| Filtergrossisten AS | Wholesale & retail | 2021 |
| Find-It Inspeksjonsutstyr AS | Wholesale & retail | 2012 |
| Finicon AS | Professional & scientific | 2006 |
| Fink Impact AS | Information & communication | 2020 |
| Finnco AS | Financial services | 2004 |
| Finnvik Eiendom AS | Hospitality | 2015 |
| Finnøya Invest AS | | 2021 |
| Finsethagen AS | Real estate | 2025 |
| Finurlig Bygg Og Renovering AS | Construction | 2011 |
| Fish Link Holding AS | Agriculture & fishing | 2006 |
| Fish Og Chips Boden Ans | Hospitality | 1997 |
| Fiskaa Invest AS | | 2021 |
| Fiskebåt Service AS | Professional & scientific | 2001 |
| Fiskerikompetanse AS | Professional & scientific | 2024 |
| Fiskernes Hus AS | Real estate | 1962 |
| Fiskerstrand Multiservice AS | Administrative & support | 2017 |
| Fiskeskjer AS | Agriculture & fishing | 1999 |
| Fiskeskjer Holding AS | Agriculture & fishing | 2022 |
| Fisketorget Delikatesse AS | Hospitality | 2014 |
| Fiskr AS | Agriculture & fishing | 2015 |
| Fiveland Invest AS | Real estate | 2012 |
| Fixsea AS | Information & communication | 2026 |
| Fjell Snowboards AS | Wholesale & retail | 2016 |
| Fjellstua 418 AS | Hospitality | 2020 |
| Fjelltun Barnehage AS | Education | 2023 |
| Fjelltun Garasjebygg SA | Real estate | 1954 |
| Fjelltun Invest AS | Real estate | 2006 |
| Fjord Connection AS | Arts & recreation | 2022 |
| Fjord Wellness Sauna AS | Other services | 2026 |
| Fjordbuda Nordvest AS | Wholesale & retail | 2018 |
| Fjordbuda Stavanger AS | Wholesale & retail | 2018 |
| Fjordbuda Trondheim AS | Wholesale & retail | 2018 |
| Fjordcore Sjøholt AS | Real estate | 2026 |
| Fjordcore Vanylven AS | Construction | 2026 |
| Fjordcore Ålesund AS | Real estate | 2026 |
| Fjordlaks AS | Manufacturing | 1972 |
| Fjordrakkar AS | Administrative & support | 2025 |
| FK Ålesund AS | Wholesale & retail | 1988 |
| Fke Property AS | Real estate | 2023 |
| Fki Partners AS | Administrative & support | 1986 |
| Flaaaen Holding AS | Financial services | 2018 |
| Fladmark Holding AS | Real estate | 2005 |
| Fladmark Invest AS | Real estate | 2012 |
| Flake AS | Information & communication | 2023 |
| Flakk AS | Manufacturing | 1995 |
| Flakk Composites AS | | 2019 |
| Flakk Eiendom AS | Real estate | 2006 |
| Flakk Gruppen AS | Wholesale & retail | 2019 |
| Flakk Holding AS | | 2014 |
| Flakk Invest AS | | 2019 |