| BB Shipping AS | Real estate | 2006 |
| BB Storgata AS | Hospitality | 2008 |
| BB Topco AS | Hospitality | 2019 |
| BB Travel & Living AS | Hospitality | 2019 |
| Bb-Baetis AS | | 2022 |
| Bba Invest AS | | 2018 |
| BBB Eie AS | Real estate | 2005 |
| BBB Eiendom AS | Real estate | 2018 |
| BBB Holding AS | Real estate | 2021 |
| BBB System AS | Manufacturing | 2011 |
| BBB3 Signaturhagen AS | Real estate | 2025 |
| BBC Studios Nordic Productions AS | Information & communication | 2019 |
| BBD Holding AS | Wholesale & retail | 2005 |
| BBH2 AS | Real estate | 2017 |
| Bbhugme AS | Professional & scientific | 2013 |
| Bbi Holding AS | Real estate | 2005 |
| Bbi Holding II AS | | 2025 |
| BBL Datakompetanse AS | Information & communication | 1999 |
| BBM Holding AS | Real estate | 2014 |
| BBM I Norge AS | Construction | 1996 |
| BBR Media AS | Professional & scientific | 2014 |
| BC Invest AS | | 2026 |
| BC Tannlege AS | Health & social care | 2023 |
| Bca Autoauktion AS | Wholesale & retail | 1998 |
| Bca Holding & Invest AS | | 2018 |
| BCC AS | Hospitality | 2025 |
| BCC Drift AS | Real estate | 2004 |
| BCD Travel Norway AS | Administrative & support | 2000 |
| Bcdp AS | Information & communication | 2018 |
| Bce Holding AS | Construction | 2016 |
| Bcei Norway AS | Professional & scientific | 2024 |
| Bci AS | Construction | 2007 |
| Bckspace AS | Professional & scientific | 2023 |
| Bcon Services AS | Professional & scientific | 2007 |
| Bcured AS | Information & communication | 2022 |
| BD Entreprenør AS | Construction | 2012 |
| BD Group Europe AS | Professional & scientific | 1997 |
| BD Lagerhus AS | Real estate | 2004 |
| BD Vat and Tax Services AS | Professional & scientific | 1995 |
| BDB Holding AS | Information & communication | 2005 |
| BDC N01 DCM401 AS | Information & communication | 2026 |
| BDC N01 DCM402 AS | Information & communication | 2026 |
| BDC N01 DCM403 AS | Information & communication | 2026 |
| BDC N01 DCM503 AS | Information & communication | 2026 |
| Bde Holding AS | | 2016 |
| BDH Invest AS | | 2005 |
| BDK Bolig AS | Real estate | 2019 |
| BDK Holding AS | | 2026 |
| BDL AS | Real estate | 2025 |
| Bdo Advokater AS | Professional & scientific | 2011 |
| Bdo AS | Professional & scientific | 2009 |
| BDW Holding AS | Administrative & support | 2013 |
| Be Bold AS | Wholesale & retail | 2014 |
| Be Elektro AS | Construction | 1999 |
| Be Johannes Bruns Gate 8 Verdal AS | Real estate | 2017 |
| Be Me Invest AS | | 2024 |
| Be Nice AS | Professional & scientific | 2023 |
| Be on Track Nuf | Professional & scientific | 2005 |
| Be Safe AS | Education | 2018 |
| Be Safe E-Learning AS | Education | 2025 |
| Be XS AS | Arts & recreation | 2026 |
| Be Your Best AS | Information & communication | 2015 |
| Be&Ge AS | Information & communication | 2024 |
| Be-Ar AS | Professional & scientific | 2022 |
| Be-Have AS | Professional & scientific | 2018 |
| Be.Beauty AS | Other services | 2024 |
| BE2BE AS | Professional & scientific | 2013 |
| Be:Long AS | Education | 2025 |
| Bea Capital AS | | 2025 |
| Beach AS | | 2019 |
| Beach Club Boys AS | Hospitality | 2025 |
| Beach Hill Invest AS | | 2024 |
| Beachfront Properties AS | Financial services | 2019 |
| Beachvalley AS | Information & communication | 2026 |
| Beachwood Holding AS | | 2022 |
| Beacon Group AS | Financial services | 2015 |
| Beacon Isle Productions AS | Information & communication | 2013 |
| Beacon Safety Invest AS | Real estate | 2005 |
| Beadnall Holding AS | | 2026 |
| Beag Holding AS | | 2025 |
| Beagle Media AS | Professional & scientific | 2021 |
| Beagleeagle.Com | Wholesale & retail | 2004 |
| Beak Eiendom AS | Real estate | 2021 |
| Beam Invest AS | | 2024 |
| Beamers & Bulls AS | Administrative & support | 2020 |
| Beaml Da | Professional & scientific | 2009 |
| Bean AS | | 2020 |
| Beano Invest AS | | 2014 |
| Beanor AS | | 2012 |
| Beanvest AS | | 2018 |
| Bear & Bull Commodities AS | | 2024 |
| Bear and Bull AS | Financial services | 2004 |
| Bear Holding AS | | 2023 |
| Bear the Gree AS | Information & communication | 2022 |
| Bear-Kid AS | | 2020 |
| Bearing Norway AS | Wholesale & retail | 2022 |
| Bearingpoint Capital Norway AS | Professional & scientific | 2021 |
| Bearingpoint Norway AS | Professional & scientific | 2002 |
| Bearly Invest AS | | 2025 |
| Bearma Holding AS | | 2023 |