| Atlantic Nova 218 AS | Professional & scientific | 2001 |
| Aur AS | Professional & scientific | 2018 |
| Av Montering AS | Construction | 2020 |
| Aval AS | Professional & scientific | 2011 |
| Aventum Invest AS | Information & communication | 2025 |
| Awbound AS | Administrative & support | 2025 |
| Axacta AS | Professional & scientific | 2004 |
| Ayur AS | Professional & scientific | 2014 |
| Ayurnor AS | Wholesale & retail | 2022 |
| B. Hafting AS | | 2020 |
| B.B Hansen Holding AS | Wholesale & retail | 2024 |
| Bakekunsten AS | Manufacturing | 2025 |
| Bakketeig Invest AS | Professional & scientific | 2012 |
| Bakkevig AS | Information & communication | 2017 |
| Bakkis Music AS | Information & communication | 2024 |
| Ballongsøstrene Da | Wholesale & retail | 2007 |
| Bayraktar Eiendom AS | Real estate | 2022 |
| BB Lagunen AS | Hospitality | 2022 |
| BB Utvikling AS | Real estate | 2013 |
| BC365 Invest AS | | 2025 |
| Be Feet AS | Real estate | 2005 |
| Bea Gruppen AS | Construction | 2012 |
| Bea Investering AS | | 2025 |
| Belin AS | Professional & scientific | 2008 |
| Beredt AS | Health & social care | 1969 |
| Beredt Inkludering AS | Other services | 2024 |
| Berge Bygginnredning Nuf | Construction | 2005 |
| Bergen Aktiv AS | Wholesale & retail | 2003 |
| Bergen Arealutvikling AS | | 2006 |
| Bergen BBQ AS | Hospitality | 2021 |
| Bergen Bedriftsrådgivning AS | Professional & scientific | 1985 |
| Bergen Bygg & Anlegg AS | Construction | 2015 |
| Bergen Bygg Og Anlegg Eiendom AS | Administrative & support | 2019 |
| Bergen Bygg Team AS | Construction | 2023 |
| Bergen Datasource AS | Information & communication | 2001 |
| Bergen Eiendom AS | Real estate | 2005 |
| Bergen Elektro Automasjon AS | Construction | 2000 |
| Bergen Elkontroll AS | Construction | 2017 |
| Bergen Familieklinikk AS | Health & social care | 2019 |
| Bergen Fjellsiden AS | Real estate | 2006 |
| Bergen Greentech AS | Professional & scientific | 2018 |
| Bergen Hus AS | Construction | 2015 |
| Bergen Hus Team AS | Construction | 2020 |
| Bergen Idrettsklinikk AS | Health & social care | 2006 |
| Bergen Idrettsklinikk Holding AS | Health & social care | 2013 |
| Bergen Kjøkken & Bad AS | Wholesale & retail | 2021 |
| Bergen Livsmestring AS | Other services | 2024 |
| Bergen Maritime Group AS | Transport & logistics | 2021 |
| Bergen Miljøstasjon AS | Water & waste | 2017 |
| Bergen Og Omegn Entreprenør AS | Construction | 2005 |
| Bergen Plastikkirurgi AS | Health & social care | 2025 |
| Bergen Precast AS | Manufacturing | 2018 |
| Bergen Råvarebørs AS | Real estate | 2009 |
| Bergen Solar Bygg AS | Construction | 2021 |
| Bergen Vinterdrift AS | Administrative & support | 2022 |
| Bergen Øko Ans | Wholesale & retail | 2021 |
| Bergensdalen AS | Wholesale & retail | 2018 |
| Betine Bull AS | Real estate | 2020 |
| Bgmg Eiendom AS | Transport & logistics | 2022 |
| Bidhelp AS | Professional & scientific | 2025 |
| Bil Deal AS | Wholesale & retail | 2023 |
| Bilhub AS | Wholesale & retail | 2024 |
| Bilivest Limited Nuf | Wholesale & retail | 2005 |
| Biosystems AS | Professional & scientific | 2014 |
| Birkeland Hagesenter AS | Real estate | 1992 |
| Birkenfest AS | Arts & recreation | 2017 |
| Bjarne Laastad Invest AS | | 2024 |
| Bjartli Holdings AS | | 2017 |
| Bjerkvik Invest AS | Financial services | 2015 |
| Bjørgvin Hage AS | Administrative & support | 2022 |
| Bjørgvin Kjøkken AS | Wholesale & retail | 2001 |
| Bjørkhaug Utvikling AS | Real estate | 2022 |
| Bjørn Fjellby Holding AS | Real estate | 2015 |
| Bjørn R Paasche Agentur AS | Wholesale & retail | 1948 |
| Bjørnar Almli Holding AS | | 2020 |
| Bjørnfjell AS | Real estate | 1992 |
| Blaa.Holding AS | Real estate | 2024 |
| Bladpakken AS | Information & communication | 2023 |
| Blekenberg 33 AS | Real estate | 2025 |
| Blissapp AS | Health & social care | 2006 |
| Blitzgips AS | Construction | 2025 |
| Blomster På Vei AS | Transport & logistics | 2023 |
| Blomsterdalen Honning Da | Agriculture & fishing | 2023 |
| Blue Oceans AS | Professional & scientific | 2017 |
| Bluehaven Holding AS | | 2026 |
| Blytt Energi Og Klima Konsult Ans | Construction | 2001 |
| Bmbg Holding AS | Education | 2023 |
| Bmmak AS | | 2024 |
| Bmmak Holding AS | Real estate | 2025 |
| Bnytt AS | Construction | 2013 |
| Boa & Noah Invest AS | Real estate | 2011 |
| Boda AS | Professional & scientific | 2006 |
| Boe Bygg AS | Construction | 2020 |
| Boe Gruppen AS | | 2024 |
| Boland Holding AS | Information & communication | 2021 |
| Bommh AS | Other services | 2009 |
| Bomup AS | Other services | 2016 |
| Bookingplassen Holding AS | Information & communication | 2015 |
| Borsholm Holding AS | | 2023 |
| Boutique No 6 AS | Wholesale & retail | 1983 |