| Kolltveit Utleie AS | Real estate | 2017 |
| Kolltveithøyden AS | Real estate | 2023 |
| Kolonialen AS | Wholesale & retail | 2003 |
| Kolskogheiane 19 AS | Real estate | 2011 |
| Kolstigården Holding AS | Manufacturing | 2023 |
| Kolve Holding AS | Real estate | 2014 |
| Kolåshøien SA | Real estate | 1984 |
| Kom Inn Frisør AS | Other services | 2012 |
| Koma Film Da | Information & communication | 1999 |
| Komet AS | Construction | 2018 |
| Kommunalfinans AS | Professional & scientific | 1992 |
| Kompart 2 AS | Real estate | 2018 |
| Kompendium AS | Information & communication | 2013 |
| Kompendium Film AS | Information & communication | 2019 |
| Kompis Holding AS | Financial services | 2015 |
| Komplett Alarm AS | Construction | 2015 |
| Komplett HMS AS | Professional & scientific | 2017 |
| Komplett HMS Drift AS | Health & social care | 2014 |
| Komplett Vaktmestertjenester Da | Administrative & support | 2024 |
| Konfektgalleriet AS | Wholesale & retail | 1990 |
| Kong Olav V'S Plass NR 4 AS | Real estate | 2007 |
| Kong Oscars Gate 60 AS | Real estate | 2023 |
| Kong Oscars Gate Nær-Mat AS | Wholesale & retail | 2019 |
| Kong Oscarsgate 11 AS | Real estate | 2018 |
| Kong Oscarsgate 12 AS | Real estate | 2011 |
| Kong Oscarsgate 21 AS | Real estate | 2013 |
| Kong Oscarsgate 25 Eiendom AS | Real estate | 2014 |
| Kong Oscarsgate 26 AS | Real estate | 2012 |
| Kong Oscarsgate 45 AS | Real estate | 2020 |
| Kong Oscarsgate 6 AS | Real estate | 1936 |
| Kong Oscarsgate 62 AS | Real estate | 2011 |
| Kong Oscarsgate 79 AS | Real estate | 2010 |
| Kong Oscarsgate AS | | 1989 |
| Kongensgt. 2 AS | Real estate | 2020 |
| Kongsen AS | | 2020 |
| Kongshavn Design AS | Professional & scientific | 2007 |
| Konnektiv AS | Administrative & support | 2019 |
| Konow Lund Skjoldnes AS | Real estate | 2018 |
| Konrad Office AS | Information & communication | 2026 |
| Konsept Reklame AS | Administrative & support | 1999 |
| Konsept X SA | Other services | 2017 |
| Konsepta AS | Professional & scientific | 2013 |
| Konstruksjonsgruppen AS | Construction | 2023 |
| Konstruksjonsteknikk AS | Professional & scientific | 2010 |
| Konsulterende Økonomer Privatøkonomiske Totalløsninger Ans | | 1991 |
| Kontakt Eiendom AS | Real estate | 2001 |
| Kontaktlinseinstituttet AS | Wholesale & retail | 2004 |
| Kontinent AS | Professional & scientific | 2025 |
| Kontroll Alt AS | Financial services | 2013 |
| Kopibutikken Bergen AS | Manufacturing | 1999 |
| Kopite Holding AS | | 2023 |
| Kopitransport Bergen Ans | Transport & logistics | 1997 |
| Koppekabel AS | Professional & scientific | 2013 |
| Korall Engineering AS | Professional & scientific | 2021 |
| Koreva AS | Administrative & support | 2019 |
| Kori AS | | 2020 |
| Korinor Da | Arts & recreation | 2001 |
| Korrekt Invest AS | | 2025 |
| Korskirkekvartalet AS | Real estate | 2009 |
| Kosmodome Da | Administrative & support | 2021 |
| Kosmos Kapital AS | Wholesale & retail | 2022 |
| Kota AS | Real estate | 2003 |
| Kota Eiendom AS | Real estate | 2005 |
| Kovary Holding AS | Real estate | 2014 |
| KR Bingsvei 12 AS | Households | 1951 |
| Kra-Kra AS | Professional & scientific | 2019 |
| Kra-Kra Holding AS | Professional & scientific | 2023 |
| Kraft Bergen AS | Wholesale & retail | 2012 |
| Kraftflyt AS | Professional & scientific | 2025 |
| Kraftlauget AS | Information & communication | 2019 |
| Krakelurene Keramikk Ans | Manufacturing | 1999 |
| Krambua Legesenter Da | Health & social care | 2004 |
| Krambugt 3 AS | Real estate | 1997 |
| Kravia Gruppen AS | Administrative & support | 2014 |
| Kravia Gruppen II AS | Administrative & support | 2024 |
| Kravia Solutions AS | Information & communication | 2020 |
| Kream Music AS | Arts & recreation | 2018 |
| Kreativ Verdi AS | Education | 2025 |
| Kredittforeningen for Sparebanker | Financial services | 2004 |
| Kribi Consulting AS | Professional & scientific | 2009 |
| Kricec AS | | 2003 |
| Krigo AS | | 2020 |
| Kringsjåveien 116 AS | Real estate | 2026 |
| Krinkelkroken 1 AS | Real estate | 2019 |
| Kristel Invest AS | Real estate | 2011 |
| Kristian Bingsveg 8 AS | Households | 1951 |
| Kristian Birkelandsvei 5 AS | Real estate | 2012 |
| Kristian Blu Sportsconsult Blummenfelt AS | Arts & recreation | 2021 |
| Kristian Gerhard Jebsen Skipsrederi AS | Transport & logistics | 1954 |
| Kristiansholm AS | Real estate | 2017 |
| Kristiansvig AS | Real estate | 2025 |
| Kristnipo AS | Health & social care | 2016 |
| Kristofer Jansonsvei Boliglag AS | Households | 1955 |
| Kristoffersen-Invest AS | | 2026 |
| Krittkids AS | Wholesale & retail | 2025 |
| Krivo Invest AS | Professional & scientific | 2018 |
| Krohnen AS | Real estate | 2020 |
| Krohnviken Drift AS | Hospitality | 1988 |
| Krokås Eiendom AS | Real estate | 2008 |
| Krone Holding III AS | | 2019 |