| Ulsmo Eiendom AS | Real estate | 2006 |
| Ulsmo Finans AS | Manufacturing | 2009 |
| Ulstein Bil AS | Wholesale & retail | 1987 |
| Ulstein Bil Eiendom AS | Real estate | 2016 |
| Ulstein Capital AS | Financial services | 2015 |
| Ulstein Dagligvare AS | Wholesale & retail | 2006 |
| Ulstein Design & Solutions AS | Professional & scientific | 1973 |
| Ulstein Digital AS | Professional & scientific | 2008 |
| Ulstein Drosjesentral Ans | Transport & logistics | 1998 |
| Ulstein Drosjesentral AS | Transport & logistics | 2005 |
| Ulstein Elektro Installasjon AS | Manufacturing | 2008 |
| Ulstein Event AS | Administrative & support | 2024 |
| Ulstein Fjernvarme AS | Energy | 2011 |
| Ulstein Fysioterapisenter AS | Health & social care | 2022 |
| Ulstein Group ASA | Manufacturing | 1999 |
| Ulstein Grunneigarlag SA | Real estate | 1984 |
| Ulstein Havsauna AS | Other services | 2023 |
| Ulstein Hotell AS | Real estate | 2006 |
| Ulstein Hull AS | Manufacturing | 2007 |
| Ulstein International AS | Transport & logistics | 2000 |
| Ulstein Kulen AS | Professional & scientific | 1981 |
| Ulstein Kultur- Og Konferansesenter AS | Real estate | 2005 |
| Ulstein Legesenter AS | Health & social care | 1993 |
| Ulstein Marine Technology AS | Manufacturing | 1986 |
| Ulstein Mat AS | Wholesale & retail | 2021 |
| Ulstein Minilager AS | | 2018 |
| Ulstein Montering AS | Manufacturing | 2025 |
| Ulstein Padel AS | Arts & recreation | 2022 |
| Ulstein Power & Control AS | Manufacturing | 1983 |
| Ulstein Revisjon AS | Professional & scientific | 2024 |
| Ulstein Sveis AS | Manufacturing | 1976 |
| Ulstein Tannlegesenter AS | Health & social care | 2005 |
| Ulstein Technology AS | Manufacturing | 2001 |
| Ulstein Verft AS | Manufacturing | 1974 |
| Ulstein Verft Eiendom AS | Real estate | 1999 |
| Ulsteinvik Bowling AS | Arts & recreation | 2005 |
| Ulsteinvik Butikkeiendom AS | Real estate | 2021 |
| Ulsteinvik Hudpleie AS | Wholesale & retail | 2019 |
| Ulsteinvik Marina AS | Manufacturing | 2000 |
| Ulsteinvik Utvikling AS | Real estate | 2005 |
| Umas Holding AS | | 2025 |
| Umt Investments AS | Professional & scientific | 2023 |
| Ur Og Gull Ulsteinvik AS | Wholesale & retail | 2008 |
| Urke Maskinservice AS | Construction | 2025 |
| Utleiegrimstad AS | Real estate | 2024 |
| Vabo AS | Real estate | 2006 |
| Vaske AS | Administrative & support | 2009 |
| Vattøy AS | Construction | 2006 |
| Vegard Aksnes AS | Administrative & support | 2023 |
| Vegard Ulstein Invest II AS | Financial services | 2015 |
| Vemera Studio Ans | Information & communication | 2024 |
| Verona Ulsteinvik AS | Hospitality | 2018 |
| Vestpillaren AS | | 2021 |
| Veterinærkontoret AS | Professional & scientific | 2013 |
| VH Motor Da | Manufacturing | 2011 |
| Vifix AS | Construction | 2026 |
| Vik Eigedom AS | Real estate | 1999 |
| Vikebladet Vestposten AS | Information & communication | 1976 |
| Vikemarka Barnehage AS | Education | 2013 |
| Vikingo AS | Professional & scientific | 1993 |
| Viluma AS | | 2024 |
| Viva Sport Ørsta AS | | 2017 |
| Volti AS | Construction | 2023 |
| Voxoy 1 AS | | 2019 |
| W.Products AS | Manufacturing | 2000 |
| Waageholm AS | Real estate | 1997 |
| Wanderful AS | Wholesale & retail | 2025 |
| Webhjelp Da | Information & communication | 2000 |
| West Auto AS | Transport & logistics | 2009 |
| West Marin AS | Manufacturing | 2022 |
| Westcoat AS | Manufacturing | 2008 |
| Westgroup AS | Manufacturing | 2005 |
| Westmotor AS | Wholesale & retail | 2025 |
| Yr Holding AS | | 2019 |
| Ålesund Utvikling AS | Real estate | 2009 |
| Økonomisk Rådgivning Godø AS | Professional & scientific | 2021 |
| Øyehol Eiendom AS | Wholesale & retail | 1981 |
| Øyehol Varehus AS | Wholesale & retail | 2000 |