| Vikafle AS | Hospitality | 2017 |
| Vikahaugane Drift Og Vedlikehold AS | Arts & recreation | 2019 |
| Vikane Drift AS | Manufacturing | 2023 |
| Viking Power & Automation AS | Hospitality | 2025 |
| Viljekraft AS | | 2026 |
| Villro AS | Wholesale & retail | 2026 |
| Villvettene Friluftsbarnehage Avd Rommetveit AS | Education | 2017 |
| Vindvest AS | | 2024 |
| Vistinvest Holding AS | Real estate | 2026 |
| Vital Eiendom AS | Real estate | 2018 |
| Vitalpro Holding AS | Real estate | 2021 |
| Vivir Design AS | Real estate | 2015 |
| VK Invest AS | Real estate | 2005 |
| Vois Design AS | Professional & scientific | 2022 |
| Vold Kapital AS | Professional & scientific | 2022 |
| Voss Lagerbygg AS | Real estate | 2024 |
| Vågsli Ferieheim SA | Real estate | 1990 |
| W Engelsen Ettf AS | Construction | 1990 |
| Waldorff Invest AS | Real estate | 2007 |
| Wao Tattoo AS | Other services | 2026 |
| Webhuset AS | Information & communication | 2000 |
| Weld Invest AS | Professional & scientific | 2008 |
| Weldon AS | Professional & scientific | 2017 |
| Went Air Solutions AS | Professional & scientific | 2024 |
| Went AS | Professional & scientific | 2022 |
| Went Eiendom AS | Real estate | 2024 |
| Westvent AS | Construction | 2025 |
| What Invest AS | Professional & scientific | 2023 |
| Wiktor AS | | 2026 |
| Winns AS | Construction | 2010 |
| Wounds AS | Health & social care | 2016 |
| Wowfactory AS | Wholesale & retail | 2020 |
| X Eigedom AS | Real estate | 2018 |
| Xl-Bygg Valvatne AS | Wholesale & retail | 2013 |
| Yabimo Norge AS | Administrative & support | 2019 |
| Yard Solutions AS | Professional & scientific | 2018 |
| Yrma AS | Professional & scientific | 2022 |
| Ytre Matre Energi Holding AS | | 2024 |
| Ytre Sogn Handelskompani AS | | 2025 |
| Zahlbar AS | | 2025 |
| Zonula AS | Health & social care | 2020 |
| Zpirit AS | Professional & scientific | 2009 |
| Ådland Sør AS | Real estate | 2023 |
| Ådlandvassdraget Fiskelag SA | Arts & recreation | 2017 |
| Åkraelva Kraftverk AS | Energy | 2007 |
| Ås Barnehage AS | Education | 2020 |
| Åtgaum AS | Hospitality | 2020 |
| Ø Hillestad Holding AS | | 2009 |
| Øer | Professional & scientific | 2017 |
| Økstra Kraft AS | Energy | 2007 |
| Ølg Holding AS | | 2026 |
| Øy Holding AS | | 2023 |
| Øya Eiendom & Invest AS | Real estate | 2002 |
| Øyelege Nina Harris-Christensen AS | Health & social care | 2017 |
| Øygarden LNG AS | Wholesale & retail | 2007 |
| Øyja Invest AS | Financial services | 2018 |
| Øyo Legekontor Da | Health & social care | 2010 |
| Øyo Legekontor Eigedom AS | Real estate | 2018 |
| Øyre Invest AS | | 2022 |
| Øyvind Sætre Invest AS | Financial services | 2017 |