| Frost Prosjekt AS | Real estate | 2020 |
| Frost Service AS | Transport & logistics | 2019 |
| Frosta Utbygging AS | Construction | 2011 |
| Frostaveien 6 AS | Real estate | 2017 |
| Frostaveien 8 AS | | 2025 |
| Frostbloom AS | Professional & scientific | 2026 |
| Frostgate AS | Information & communication | 2026 |
| Frostsag Holding AS | | 2020 |
| Frumento AS | Hospitality | 2023 |
| Frydenbergvegen Invest AS | Real estate | 2021 |
| Fröslida Bygg & Förvaltning AB Nuf | Construction | 2022 |
| Frøland Finans Og Forvaltning AS | Information & communication | 2021 |
| Frøseth Holding AS | Professional & scientific | 2009 |
| Frøy Crew AS | Transport & logistics | 2007 |
| Frøy Havbruk AS | Agriculture & fishing | 2022 |
| Frøy LFC 1 AS | Transport & logistics | 2025 |
| Frøy LFC 2 AS | Transport & logistics | 2025 |
| Frøy LSV 1 AS | Agriculture & fishing | 2025 |
| Frøy Midco AS | Transport & logistics | 2023 |
| Frøy Topco AS | Transport & logistics | 2023 |
| Frøy X AS | | 2024 |
| Frøya Bolig AS | Real estate | 2022 |
| Frøya Business Management AS | Professional & scientific | 2026 |
| Frøya Eiendomsutvikling AS | Real estate | 2021 |
| Frøya Invest AS | Real estate | 2017 |
| Frøya Utvikling AS | Real estate | 2025 |
| Frøya Vind AS | Energy | 2018 |
| FS Gruppen AS | | 2018 |
| FS Transport AS | Transport & logistics | 2021 |
| Fsa Norway Ans | Wholesale & retail | 2011 |
| FSH AS | Education | 2020 |
| Fsi Holding AS | | 2026 |
| Fsjs AS | | 2026 |
| Fsloe AS | | 2021 |
| FSS AS | Professional & scientific | 2020 |
| FSS One AS | Professional & scientific | 2020 |
| FSS Tre AS | Professional & scientific | 2020 |
| FTF AS | Information & communication | 2024 |
| FTF Holding AS | Financial services | 2017 |
| FTH Holding AS | Wholesale & retail | 2014 |
| Fticket AS | Information & communication | 2020 |
| Fudo AS | Wholesale & retail | 2025 |
| Fuel Cell Norway Ans | Professional & scientific | 2001 |
| Fueltech Solutions AS | Professional & scientific | 2008 |
| Fufluns AS | Wholesale & retail | 2012 |
| Fuglstad Holding AS | Real estate | 2022 |
| Fui AS | Real estate | 2025 |
| Fumea AS | Wholesale & retail | 2025 |
| Functional Multi Technology AS | Information & communication | 1998 |
| Funell Da | Professional & scientific | 2009 |
| Funktive AS | Information & communication | 2020 |
| Funky Notes AS | Hospitality | 2026 |
| Fureberg Invest AS | | 2017 |
| Furnes Engineering AS | Professional & scientific | 2017 |
| Fust Property Partners AS | Hospitality | 2024 |
| Futura Helse AS | Wholesale & retail | 2023 |
| Future Securities AS | | 2019 |
| Future Sport AS | Wholesale & retail | 2018 |
| Futurum Ventures Fund I AS | Financial services | 2022 |
| Futurum Ventures Fund I Partners AS | | 2021 |
| Futurum Ventures Fund II AS | Financial services | 2026 |
| Futurum Ventures Fund II Partners AS | | 2026 |
| Futurum Ventures Holding AS | Financial services | 2022 |
| Futurum Ventures Investment I AS | | 2026 |
| Futurum Ventures Management AS | Financial services | 2022 |
| Futurum Ventures SPV I AS | Financial services | 2025 |
| Futurum Ventures SPV I Partners AS | | 2025 |
| Fuzzsjakk AS | Administrative & support | 2023 |
| FVB Holding AS | Real estate | 2023 |
| FX Design AS | Information & communication | 2025 |
| Fyken Eierskap AS | Professional & scientific | 2015 |
| Fyksen AS | Real estate | 2019 |
| Fyksen Takst AS | Professional & scientific | 2019 |
| Fyllingsdalen Næringseiendom AS | Real estate | 2007 |
| Fyr På Lade AS | Hospitality | 2007 |
| Fyr På Valentinlyst AS | Hospitality | 2023 |
| Fyr Technologies AS | Information & communication | 2012 |
| Fyresign AS | Information & communication | 2016 |
| Fyrkammer AS | Hospitality | 2024 |
| Fyrmester Invest AS | Professional & scientific | 2021 |
| Fyrrestauranter AS | Hospitality | 2021 |
| Fysio Holding AS | Health & social care | 2005 |
| Fysiolars AS | Health & social care | 2012 |
| Fyyr AS | Other services | 2025 |
| Fylkeshuset AS | Real estate | 1968 |
| Fälaren Da | Arts & recreation | 2026 |
| Fågg AS | Wholesale & retail | 2014 |
| Færø Gynekologi AS | Health & social care | 2026 |
| Følge Film AS | Information & communication | 2025 |
| Føll AS | Construction | 2017 |
| Følling AS | Transport & logistics | 1991 |
| Føniks Cigar & Tobakk AS | Wholesale & retail | 2026 |
| Føniks Trondheim AS | Education | 2025 |
| G & G Malertjenester AS | Construction | 2025 |
| G C H2 Sol AS | Professional & scientific | 2021 |
| G H Gården AS | Real estate | 2011 |
| G Strategic Advisory AS | Professional & scientific | 2012 |
| G. Mostad AS | Wholesale & retail | 2005 |
| G2 Qondor Bidco AS | | 2026 |
| G2 Qondor Topco AS | | 2026 |