| Jordalen Bygg AS | Construction | 2015 |
| Jordalen Entreprenør AS | Construction | 1995 |
| Jordalen Invest AS | Construction | 2005 |
| Jordalen Utvikling AS | Real estate | 2019 |
| Joy Water AS | Professional & scientific | 2014 |
| Jri AS | Construction | 2020 |
| Juma Vest AS | Real estate | 2012 |
| Kaardal AS | Real estate | 2000 |
| Kami Frisør Og Barberstove AS | Other services | 2017 |
| Kapellankåken AS | Information & communication | 2021 |
| Kayak Voss Da | Administrative & support | 2011 |
| KBK Utvikling AS | Construction | 2013 |
| Kbra AS | Professional & scientific | 2008 |
| King Patrick Da | Wholesale & retail | 2010 |
| Kiropraktoren AS | Health & social care | 2005 |
| Kiseldur Veglag | Construction | 2015 |
| Kitemill AS | Professional & scientific | 2008 |
| Kitewall AS | Professional & scientific | 2026 |
| Kitewall Founders Holding AS | | 2026 |
| Kjappen Voss AS | Hospitality | 2015 |
| Kjedlaren Grendapub SA | Hospitality | 2024 |
| Kjøkkendrift No 1 Voss AS | Wholesale & retail | 2014 |
| KL Maskin AS | Construction | 2026 |
| Klengstova AS | Real estate | 2008 |
| Klette Elektro AS | Construction | 2018 |
| Klyv AS | Arts & recreation | 2024 |
| Klyve Holding AS | Professional & scientific | 2015 |
| Kløve Bygg & Eiendom AS | Real estate | 2009 |
| Kløve Bygg Og Taksering AS | Construction | 2017 |
| Kløve Samdrift Da | Agriculture & fishing | 2006 |
| KMS Investor AS | Real estate | 2021 |
| Knut Møen Invest AS | | 2020 |
| Knute Nelson-Gata Eigendom AS | Real estate | 2018 |
| Kolbein Klette Anlegg AS | Construction | 2025 |
| Kompis Avlastning AS | Health & social care | 2023 |
| Konbo AS | Professional & scientific | 2025 |
| Korean BBQ Chicken AS | Hospitality | 2016 |
| Kraftpartnar AS | Construction | 2022 |
| Kribi Holding AS | Wholesale & retail | 2005 |
| Krifinne AS | | 2005 |
| Kring Eiendom AS | Real estate | 1998 |
| Kringsjå AS | Hospitality | 1993 |
| Kristian Olde Brekke AS | Administrative & support | 2019 |
| Kro Og Kantineservice Ans | Hospitality | 1998 |
| Kronæ AS | Construction | 2017 |
| KSK AS | Financial services | 2013 |
| Kto Holding AS | Financial services | 2021 |
| Kubachen AS | Financial services | 2009 |
| Kvarekvål Bygg AS | Real estate | 2012 |
| Kvarme Entreprenør AS | Administrative & support | 2014 |
| Kvarmestøl Holding AS | | 2026 |
| Kveik AS | Health & social care | 1973 |
| Kveik Formidling AS | Health & social care | 2022 |
| Kvitanosi AS | Real estate | 1998 |
| Kvåle Eigedom AS | Real estate | 2024 |
| Kvåle Investering AS | Real estate | 2024 |
| Kvåle Transport AS | Transport & logistics | 2016 |
| Kyrkjebø Eiendom AS | Real estate | 2006 |
| Kyte Bygg AS | Real estate | 2012 |
| Kåmo AS | Real estate | 2008 |
| Kårdal Andersen Invest AS | Hospitality | 1990 |
| Kårdal Handel AS | Wholesale & retail | 2021 |
| Kårdal Hytteservice AS | Administrative & support | 2021 |
| Lada AS | Real estate | 2007 |
| Landbruksdata Voss AS | Information & communication | 2000 |
| Landro Bolig AS | Construction | 2012 |
| Langeland Auto AS | Wholesale & retail | 1984 |
| Lanifilm AS | Manufacturing | 2019 |
| Lar-Ing AS | Real estate | 1989 |
| Lars Helland AS | Construction | 2014 |
| Launa AS | | 2024 |
| Lauvhovden AS | Real estate | 2012 |
| Lea Eiendom AS | Real estate | 2022 |
| Lekvemoen Holding AS | | 2025 |
| Lekvemogata 12 B AS | Real estate | 2013 |
| Lena Gjernes Consulting AS | Professional & scientific | 2026 |
| Lendlag AS | Information & communication | 2022 |
| Lene Sæthre Illustrasjon Og Design AS | Arts & recreation | 2025 |
| Lene's Kjøkken Ans | Hospitality | 2007 |
| LH Prosjekt AS | Professional & scientific | 2013 |
| Lia-Kjetil Maskin AS | Construction | 2009 |
| Liahagen 14 AS | Construction | 2001 |
| Liahagen Mek Og Rep Verkstad AS | Manufacturing | 1998 |
| Liavegen 27 AS | Real estate | 2018 |
| Lid 190-1 Ans | Agriculture & fishing | 2005 |
| Lid Bygg & Betong AS | Construction | 2018 |
| Lid Eigedomsutvikling AS | Real estate | 2019 |
| Lilandtunet AS | Real estate | 2011 |
| Lille Invest Om AS | Wholesale & retail | 2007 |
| Lilletvedt Eigedom AS | Real estate | 2014 |
| Lilletvedt Transport AS | Transport & logistics | 2004 |
| Limone AS | Real estate | 2004 |
| Linda Hjeltnes AS | Health & social care | 2016 |
| Lindseth Holding AS | Financial services | 2006 |
| Lindstad Bolig AS | Construction | 2000 |
| Lindstad Bygg AS | Construction | 1989 |
| Linn Fjose Trening AS | Education | 2018 |
| Lisa's Frisør Og Fotterapi AS | Other services | 2017 |
| Listad Samdrift Da | Agriculture & fishing | 2000 |
| Litra Gass AS | Transport & logistics | 1990 |