| Karl Viktor Holding AS | Agriculture & fishing | 2018 |
| Karlsen Fiskebåt AS | Agriculture & fishing | 2020 |
| Karriere.No AS | Information & communication | 2012 |
| Kaxa AS | Real estate | 2012 |
| KH Bygg & Vedlikehold AS | Construction | 2020 |
| Kilvær Holding AS | Professional & scientific | 2005 |
| Kioskdrift Alexander Fredriksen AS | Wholesale & retail | 2020 |
| Kirkegata 13 AS | Real estate | 2021 |
| Kjolestugården AS | Real estate | 2015 |
| Kneifar Holding AS | Wholesale & retail | 2006 |
| Kombi Eiendom AS | Real estate | 2010 |
| Kompanigården AS | Real estate | 2021 |
| Kongsmarka Utvikling AS | Real estate | 2026 |
| Kongsvatnveien 34 AS | Real estate | 2019 |
| Konor AS | | 2026 |
| Kos Lofoten AS | Hospitality | 2026 |
| Kos Nord Holding AS | Education | 2023 |
| KPS Holding AS | Wholesale & retail | 2005 |
| Kraftig AS | Construction | 2023 |
| Krakil Eiendom AS | Real estate | 2024 |
| Kransvik AS | Agriculture & fishing | 2012 |
| Kransvik Eiendom AS | Real estate | 2022 |
| Kransvik JR AS | Agriculture & fishing | 2026 |
| Kransvik Kystfiske AS | Agriculture & fishing | 2018 |
| KRB Holding on AS | Professional & scientific | 2025 |
| Kreta BK5 AS | Construction | 2022 |
| Kreta Eiendom AS | Real estate | 2012 |
| Kringla AS | Manufacturing | 2012 |
| Kringla Holding AS | Manufacturing | 2012 |
| Krogstad AS | Real estate | 1999 |
| Kroro Eiendom AS | Real estate | 1987 |
| Kvannkjosen Drift AS | Real estate | 2021 |
| Kyllingmarkgården AS | Real estate | 2005 |
| Kystmegler Eiendom AS | Real estate | 2022 |
| L Bergs Sønner AS | Real estate | 1924 |
| Lado AS | Health & social care | 2012 |
| Langøya Invest AS | Professional & scientific | 1987 |
| Langøya Utleie AS | | 2018 |
| Lars-Inge Holding AS | Real estate | 2018 |
| Lauksund Drift AS | Arts & recreation | 2020 |
| Lauksund Holding AS | Arts & recreation | 2020 |
| Laukvik Fiskemottak AS | Real estate | 2023 |
| Laura's Cafe Bar AS | Hospitality | 2021 |
| Leirosen Eiendom AS | Real estate | 2021 |
| Leknessletta AS | Real estate | 2017 |
| Lex Lofoten AS | Real estate | 2014 |
| Lias AS | Health & social care | 1972 |
| Lias Knøttene Barnehage AS | Education | 2022 |
| Lias Kompetanse AS | Health & social care | 2021 |
| Lille Bolla Bølla AS | Information & communication | 2010 |
| Linds Eiendom Ans | Real estate | 2004 |
| Line Ellingsen AS | | 2024 |
| Linn Sofie AS | Agriculture & fishing | 2017 |
| Locality AS | Information & communication | 2026 |
| Locke Konsult AS | Professional & scientific | 2020 |
| Lofix AS | Administrative & support | 2026 |
| Lofot Betong AS | Manufacturing | 2023 |
| Lofoten Auto AS | Wholesale & retail | 2017 |
| Lofoten Bil AS | Wholesale & retail | 2010 |
| Lofoten Blue Harvest AS | Agriculture & fishing | 2015 |
| Lofoten Charterbåt AS | Transport & logistics | 2004 |
| Lofoten Cowork AS | Real estate | 2020 |
| Lofoten Drawing AS | Professional & scientific | 2023 |
| Lofoten Drift Og Utleie AS | Administrative & support | 2022 |
| Lofoten Eiendomsmegling AS | Real estate | 2012 |
| Lofoten Elektro AS | Construction | 1972 |
| Lofoten Elektro Eiendom AS | Real estate | 1985 |
| Lofoten Elektromarked AS | Wholesale & retail | 2021 |
| Lofoten Energi AS | | 2025 |
| Lofoten Escape & Adventures AS | Arts & recreation | 2019 |
| Lofoten Event Da | Administrative & support | 1999 |
| Lofoten Explorer AS | Transport & logistics | 2005 |
| Lofoten Harvest AS | Agriculture & fishing | 2020 |
| Lofoten Hydraulikk AS | Manufacturing | 2011 |
| Lofoten Industri AS | Real estate | 2022 |
| Lofoten Insight AS | Professional & scientific | 2024 |
| Lofoten Invest AS | Real estate | 2008 |
| Lofoten Journeys AS | Administrative & support | 2025 |
| Lofoten Konfeksjon AS | Real estate | 2017 |
| Lofoten Kulturhus Eiendom AS | Real estate | 2005 |
| Lofoten Legends AS | Transport & logistics | 2025 |
| Lofoten Photo Tours AS | Professional & scientific | 2016 |
| Lofoten Prestige Concierge AS | Real estate | 2025 |
| Lofoten Private Cruise AS | Transport & logistics | 2026 |
| Lofoten Rorbuer AS | Hospitality | 2010 |
| Lofoten Skyrace Da | Administrative & support | 2019 |
| Lofoten Stål Og Betong AS | Real estate | 2018 |
| Lofoten Synssenter AS | Wholesale & retail | 2005 |
| Lofoten Takst AS | Professional & scientific | 2018 |
| Lofoten Vanlife AS | Administrative & support | 2020 |
| Lofoten Vannkraftanlegg AS | Energy | 2025 |
| Lofoten Økonomiservice AS | Professional & scientific | 2003 |
| Lofoten-Utleie AS | Administrative & support | 2021 |
| Lofothavn AS | Real estate | 2001 |
| Lofotkraft AS | Energy | 2003 |
| Lofotkraft Bredbånd AS | Information & communication | 2000 |
| Lofotkraft Muligheter AS | Professional & scientific | 2001 |
| Lofotkraft Produksjon AS | Energy | 2004 |
| Lofotpils AS | Manufacturing | 2006 |
| Lofotposten AS | Information & communication | 1994 |