| Bergen Drikker Da | Professional & scientific | 2025 |
| Bergen Frisørteam AS | Other services | 2000 |
| Bergen Gravstell Da | Other services | 2023 |
| Bergen Group AS | Professional & scientific | 2020 |
| Bergen Gruppen AS | Real estate | 2017 |
| Bergen Innkvartering AS | Hospitality | 1993 |
| Bergen Klatresenter AS | Arts & recreation | 2019 |
| Bergen Kompetansesenter AS | Education | 2023 |
| Bergen Lek Og Fritid AS | Wholesale & retail | 1991 |
| Bergen Mur & Puss AS | Construction | 1992 |
| Bergen Proff Mekaniske AS | Construction | 2018 |
| Bergen Rørfornying AS | Administrative & support | 2017 |
| Bergen Strykekvartett Da | Arts & recreation | 2023 |
| Bergen Subsea Alliance AS | Administrative & support | 2009 |
| Bergen Tak AS | Construction | 2014 |
| Bergen Taktekker & Blikkenslagerservice AS | Construction | 2017 |
| Bergen Turbo AS | Wholesale & retail | 2018 |
| Bergensbygg AS | Construction | 2014 |
| Bergenvest Legesenter AS | Health & social care | 2019 |
| Berthelsen & Vu AS | Construction | 2015 |
| Bewizor AS | Information & communication | 2020 |
| Beyond Shipping AS | Transport & logistics | 2018 |
| BG Vest Eiendom AS | Real estate | 2021 |
| Biks AS | Education | 2003 |
| Biks Maskin AS | Administrative & support | 2016 |
| Bilmark AS | Wholesale & retail | 2023 |
| Bilservice 360 AS | Administrative & support | 2022 |
| Bilsync AS | Information & communication | 2026 |
| Biofuel Development AS | Professional & scientific | 2014 |
| Bioregion Institute AS | Professional & scientific | 2020 |
| Bjarte Solvang AS | Information & communication | 2015 |
| Bjerk Takst AS | Professional & scientific | 2013 |
| BJK Holding AS | Wholesale & retail | 2009 |
| Bjørgvin Holding AS | Real estate | 2016 |
| Bjørgvin Service AS | | 2019 |
| Bjørgvin Sikkerhet AS | Administrative & support | 2017 |
| Bjørgvingruppen AS | | 2024 |
| Bjørkelien 1 AS | Transport & logistics | 2008 |
| Blinktroll AS | Information & communication | 2022 |
| Blinktroll Systems AS | Professional & scientific | 2025 |
| Blomberg Web Og Design AS | Professional & scientific | 2022 |
| Blomberg-Angeltveit Group AS | | 2023 |
| Blutech Alu AS | Wholesale & retail | 2023 |
| Boge Eiendom Holding AS | | 2022 |
| Bols AS | Real estate | 2012 |
| BOOKIT24 AS | Information & communication | 2014 |
| Bor Sag Og Meiselteknikk AS | Wholesale & retail | 2018 |
| Borgmur AS | Construction | 2015 |
| Bos Power AS | Wholesale & retail | 2019 |
| Bos Power Holding AS | | 2024 |
| Bos Power Norway AS | Wholesale & retail | 1995 |
| Bovem Capital AS | Financial services | 2018 |
| BR Blindheim Malerfirma AS | Construction | 1993 |
| Brathli Recording AS | Information & communication | 2026 |
| Brattsberg Holding AS | Arts & recreation | 2020 |
| Bru Og Wiese-Hansen Murmesterforretning AS | Construction | 1995 |
| Brunost SA | Real estate | 2022 |
| Bsa Maritime AS | Administrative & support | 2018 |
| Bsa Offshore AS | Administrative & support | 2010 |
| Bsi Offshore AS | Manufacturing | 2010 |
| BTB Forward AS | Real estate | 2022 |
| BTB I AS | Real estate | 2022 |
| BTB II AS | Real estate | 2019 |
| BTV Invest AS | Education | 2013 |
| Budbil Expressen Ans | Transport & logistics | 1995 |
| Budbilexpressen AS | Transport & logistics | 1998 |
| Bue Aluconsult AS | Professional & scientific | 2024 |
| Bue Eiendom 1 AS | Real estate | 2008 |
| Bue Eiendom AS | Real estate | 1986 |
| Bue Invest AS | Real estate | 2005 |
| Bulken AS | | 2025 |
| Bulken Holding AS | | 2025 |
| Bull-Tornøe Holding AS | Real estate | 2017 |
| Buoytech AS | Professional & scientific | 2020 |
| BV Teknikk AS | Manufacturing | 2023 |
| Byfjord AS | Financial services | 2012 |
| Byfjordfestivalen AS | Arts & recreation | 2024 |
| Bygg & Rehabilitering AS | Construction | 2020 |
| Bygg Tapetserer Vest AS | Construction | 2026 |
| Byggmester Arthur Bø AS | Construction | 2016 |
| Byggmester Borgar Bernhardsen AS | Construction | 2011 |
| Byggmester Roar Haugland AS | Construction | 1997 |
| Byggmester Storholm & Wik AS | Professional & scientific | 2016 |
| Byggmesteren Vest AS | Construction | 1995 |
| Byttebil AS | Information & communication | 2023 |
| Bergens Rengjøringsselskap AS | Administrative & support | 1971 |
| Bønes Marine AS | Real estate | 2022 |
| C2 Invest AS | | 2023 |
| Capi Tal Holding AS | | 2025 |
| Car Office AS | Wholesale & retail | 2009 |
| Carba AS | Manufacturing | 2011 |
| Carioca AS | Education | 2001 |
| Carter & Sønn AS | Financial services | 2006 |
| Casper 2 AS | Real estate | 2021 |
| Celine a E Holding AS | | 2023 |
| Cetra Partnergruppe AS | Financial services | 2019 |
| CGP Group AS | Professional & scientific | 2013 |
| Charmer Frisør AS | Other services | 1994 |
| Christian Holding AS | | 2023 |
| CK Servicetjenester AS | Transport & logistics | 2026 |