| Argentum Investment Partner AS | Financial services | 2008 |
| Argentum Nordic Pep 1 AS | Financial services | 2008 |
| Argentum Nordic Pep HC AS | Financial services | 2008 |
| Argentum Npep AS | Financial services | 2011 |
| Argentum Oppstart 1 AS | Financial services | 2021 |
| Argentum Primary AS | Financial services | 2019 |
| Argentum Private Equity AS | Financial services | 2000 |
| Argentum Secondary 2018A AS | Financial services | 2018 |
| Argentum Secondary 2018B AS | Financial services | 2018 |
| Argentum Secondary 2019 AS | Financial services | 2019 |
| Argentum Secondary AS | Financial services | 2008 |
| Argentum Secondary IV AS | Financial services | 2020 |
| Argentum Secondary Opportunity 2023 AS | Financial services | 2022 |
| Argentum Secondary Opportunity II AS | Financial services | 2024 |
| Argentum Secondary Opportunity III AS | | 2025 |
| Argentum Secondary Opportunity IV AS | Financial services | 2026 |
| Argentum Sevest AS | | 2026 |
| Argentum XV AS | | 2021 |
| Argentum XV GP AS | Financial services | 2021 |
| Argentum XV Holding AS | | 2024 |
| Argentum Xvii AS | | 2026 |
| Argentum Xvii Holding AS | | 2026 |
| Arif Holding AS | Real estate | 2024 |
| Aritech Bergen AS | Construction | 2020 |
| Arkaden Eiendom AS | Real estate | 1994 |
| Arkitekt Bjerga AS | | 2022 |
| Arkitektkontoret Eik AS | Professional & scientific | 2004 |
| Arkitektkvartalet AS | Real estate | 1919 |
| Arls AS | | 2024 |
| Armada AS | Real estate | 1998 |
| Armadora AS | Transport & logistics | 1999 |
| Arna Bruk AS | Real estate | 1960 |
| Arna Og Åsane Holding AS | Financial services | 2002 |
| Arna Urban Utvikling AS | Real estate | 2010 |
| Arnatveitvegen 93 AS | Real estate | 2017 |
| Arnatveitveien 151/153 AS | Real estate | 2024 |
| Arne Broder Lund Holding AS | Wholesale & retail | 2018 |
| Arne Pettersen Eiendom AS | Real estate | 2006 |
| Arne Svare Holding AS | | 2005 |
| Arne Tjølsen AS | Professional & scientific | 2024 |
| Arnesen Auto AS | Other services | 2002 |
| Arntro Holding AS | | 2026 |
| Arntzen & Lund Ans | Wholesale & retail | 2001 |
| Arnø Holding AS | | 2017 |
| Arqsix AS | Professional & scientific | 2014 |
| Arrangement Consult AS | Arts & recreation | 2014 |
| Arrangement Tjenester AS | Arts & recreation | 2017 |
| Arrangement Tjenester Holding AS | Real estate | 2016 |
| Arrangementsprofilering AS | Wholesale & retail | 2020 |
| Arrow AS | | 2006 |
| Arsa Invest AS | Construction | 2013 |
| Arsin Eiendom AS | Real estate | 2020 |
| Arstec AS | Wholesale & retail | 2012 |
| Arsulo Invest AS | | 2026 |
| Arsuvian AS | Information & communication | 2026 |
| Art Lab Ans | Arts & recreation | 2023 |
| Art Shipping AS | Transport & logistics | 1990 |
| Artdeshine Norge AS | Wholesale & retail | 2023 |
| Arti Consult AS | Information & communication | 2022 |
| Artichuset AS | Real estate | 2020 |
| Arven AS | Manufacturing | 2016 |
| Arven AS | Real estate | 2005 |
| Arven Holding AS | Manufacturing | 2015 |
| Arvu Capital AS | | 2026 |
| Arx Group AS | Professional & scientific | 2022 |
| AS (V*O*)C | | 2024 |
| AS Abel | Real estate | 2018 |
| AS Assuranse - Agentur | | 1961 |
| AS Bergens Teater Og Det Dramatiske Selskab | Real estate | 1909 |
| AS Betesda | Real estate | 1976 |
| AS Birkeveien 43 | Real estate | 1958 |
| AS Bjørnsonsgaten 22 a | Households | 1956 |
| AS Boliglaget KR Jansonsv 24-26 | Households | 1957 |
| AS Bredalsgården | Households | 1939 |
| AS Breisteingården | Real estate | 1965 |
| AS Brookberg | Financial services | 1989 |
| AS Bryggestuen - Bryggeloftet | Hospitality | 1980 |
| AS Bts-Bergen Transport & Spedisjon | Transport & logistics | 1977 |
| AS Biltransport | Transport & logistics | 1988 |
| AS Cafe Opera | Hospitality | 1984 |
| AS Caloric | Transport & logistics | 1991 |
| AS CHR Brun Torvet | Real estate | 1929 |
| AS Data Elektriske | Construction | 2019 |
| AS Den Nationale Scene | Arts & recreation | 1962 |
| AS Eidsvåg Fabrikker | Real estate | 1910 |
| AS Eiendomsforvaltning | Real estate | 1948 |
| AS Eiendomsinteresser | Real estate | 1952 |
| AS Eiendomsinvest | | 1958 |
| AS Elektroinstallasjon | Construction | 1974 |
| AS Emil | Wholesale & retail | 1976 |
| AS Erleveien 60 X | Households | 1956 |
| AS Fabrikkgt 26-28 | Households | 1960 |
| AS Fabrikutsalget | Real estate | 1907 |
| AS Falco | Real estate | 2016 |
| AS Falco Holding | Real estate | 2019 |
| AS Finansplan | Real estate | 1983 |
| AS Fjeldlien Byggeselskap | Households | 1923 |
| AS Fridalsvei 42-44 | Households | 1954 |
| AS Fasade og Bygg Service | Construction | 1984 |
| AS Gjenreisning | Real estate | 1941 |