| Ullebø Holding AS | | 2023 |
| Ulriken Capital AS | | 2026 |
| Ulriken Revisjon AS | Professional & scientific | 2025 |
| Ulriken Taubaneselskap AS | Transport & logistics | 2008 |
| Ulriksdal 1 AS | Real estate | 2005 |
| Ulset Eiendom Ans | Real estate | 1993 |
| Ulset Utvikling AS | Real estate | 2012 |
| Ulsmågvegen 12-14 AS | Real estate | 2013 |
| Ulstad Invest AS | | 2021 |
| Ulstein Bedriftsutvikling AS | Professional & scientific | 2009 |
| Ultralydpraksis AS | Health & social care | 2018 |
| Ulvasand Invest AS | Real estate | 2016 |
| Ulvenvegen 355 AS | Real estate | 2006 |
| Ulvsnesøy AS | Real estate | 2019 |
| Umbriel AS | Financial services | 2008 |
| Una Media AS | Information & communication | 2022 |
| Unagi AS | | 2025 |
| Und AS | Professional & scientific | 2016 |
| Underflow AS | Professional & scientific | 2025 |
| Undervinklet AS | Information & communication | 2026 |
| Undstad AS | Wholesale & retail | 2005 |
| Ung Debatt AS | Information & communication | 2024 |
| Unheardheard AS | Information & communication | 2025 |
| Uni Pharma AS | Wholesale & retail | 2012 |
| Unibo Bygg AS | Construction | 2013 |
| Unified Pay Solutions AS | Administrative & support | 2015 |
| Unifond AS | Administrative & support | 2010 |
| Unikvist AS | Financial services | 2015 |
| Unique Digital Nordic AS | Information & communication | 1997 |
| Unison AS | Arts & recreation | 2003 |
| Unite Event AS | Administrative & support | 2017 |
| Universal Sikkerhetssystemer Ans | | 1992 |
| Universitetet I Bergen Eiendom AS | Real estate | 2001 |
| Univest AS | Real estate | 2017 |
| Uno Marineholmen AS | Hospitality | 2025 |
| Uno Nordic AS | Hospitality | 2024 |
| Unodrill AS | Professional & scientific | 1976 |
| Untz Untz Records Ans | Arts & recreation | 2010 |
| Unytt AS | Wholesale & retail | 2023 |
| Unzwa Safaris Norge AS | Wholesale & retail | 1998 |
| Uodalrich Holding AS | Health & social care | 2018 |
| Up Link AS | Wholesale & retail | 1990 |
| Up Your Hole Productions AS | Information & communication | 2020 |
| Upcycling Norge AS | Real estate | 2018 |
| Upnorth Art Society AS | Wholesale & retail | 2023 |
| Upstairs AS | Hospitality | 1995 |
| Urban Skin AS | Other services | 2022 |
| Urhaug AS | | 2024 |
| Urheims Elektrokompani AS | Construction | 1975 |
| Urke Invest AS | Information & communication | 2015 |
| Urm J Gjertsen AS | Wholesale & retail | 1993 |
| Uro Subsea Products AS | Professional & scientific | 2024 |
| Urokråke AS | Education | 2014 |
| Urzus Holding AS | Financial services | 2020 |
| Usf Eiendom AS | Real estate | 2019 |
| Ustaoset 1001 AS | Real estate | 1994 |
| Ustaoset Vannforsyning SA | Water & waste | 2012 |
| Utdanningskonsulentene AS | Education | 2025 |
| Utestua AS | Professional & scientific | 2017 |
| Uthaug Handel AS | Wholesale & retail | 2022 |
| Utheim Arkitekter AS | Professional & scientific | 2021 |
| Uting Design AS | Professional & scientific | 2021 |
| Utkilen AS | Transport & logistics | 1967 |
| Utkilen Holding AS | Transport & logistics | 2021 |
| Utkilen Komplementar AS | Transport & logistics | 2001 |
| Utkilen Management AS | Transport & logistics | 2010 |
| Utkilen Shipinvest KS | Transport & logistics | 2001 |
| Utkilen Shipping AS | Transport & logistics | 1998 |
| Utleiemegleren Bergen Sentrum AS | Real estate | 2005 |
| Utleiemegleren Bergen Vest AS | Real estate | 2011 |
| Utleietjommi AS | Real estate | 2023 |
| Utmarksbeite AS | | 2023 |
| Utopic AS | Professional & scientific | 2023 |
| Utsikten Restaurantdrift AS | Hospitality | 2007 |
| Uttun Invest AS | Professional & scientific | 2005 |
| Uxen AS | Professional & scientific | 2023 |
| V & R Concepts AS | | 2017 |
| V&F Trefemsju AS | Real estate | 2019 |
| Va Rørinspeksjon AS | Construction | 2012 |
| VAA1 AS | | 2020 |
| Vaage Bergesen Holding AS | | 2026 |
| Vafl AS | Administrative & support | 2023 |
| Vagansa AS | Real estate | 2018 |
| Vagant AS | Information & communication | 2017 |
| Valde Holding AS | Wholesale & retail | 2021 |
| Valdovino Eiendom Og Bemanning AS | Construction | 2014 |
| Valhall Tattoo Supply AS | Wholesale & retail | 2017 |
| Validér AS | Information & communication | 2013 |
| Vallhallavegen 6 AS | Real estate | 2006 |
| Valtor Holding AS | Real estate | 2017 |
| Valtor Invest AS | Real estate | 2021 |
| Valuelab Holding AS | | 2022 |
| Valueloop AS | Information & communication | 2026 |
| VALVES2 AS | Financial services | 2005 |
| Vam Eiendom AS | Real estate | 2017 |
| Van Bergen Design AS | Manufacturing | 1983 |
| Van Deun AS | | 2021 |
| Van Koorthuis Invest AS | | 2023 |
| Van Tellingen AS | Wholesale & retail | 2024 |
| Vanguard Invest AS | | 2008 |