| Veitra AS | Construction | 2025 |
| Vekst Økonomi AS | Professional & scientific | 2019 |
| Venture Sport Og Fritid AS | Administrative & support | 2022 |
| Vestrum Taksering AS | Real estate | 2023 |
| VF Entreprenør AS | Construction | 2025 |
| VFH Holding AS | Administrative & support | 2024 |
| VG Nygård Invest AS | Real estate | 2005 |
| Vge Holding AS | | 2025 |
| VI2 Regnskap Og Rådgivning AS | Professional & scientific | 2017 |
| Vija Holding AS | Financial services | 2005 |
| Viken Engros Og Transport AS | Wholesale & retail | 2023 |
| Viken Høytrykksspyling AS | Water & waste | 2020 |
| Viken Vaktmester Bedrift AS | Administrative & support | 2021 |
| Vikings Car Rental and Sales AS | Administrative & support | 2025 |
| Vilberg Eiendom AS | Real estate | 2009 |
| Vilberg Invest AS | | 2009 |
| Vilberg Og Jessheim Eiendom AS | Real estate | 2005 |
| Vilberg Tomt AS | Real estate | 2015 |
| Vilberg Utvikling AS | Real estate | 2009 |
| Vilbergmoen Utvikling AS | Real estate | 2009 |
| Vilbergvegen 36 AS | Real estate | 2017 |
| Vinduskongen AS | Wholesale & retail | 2024 |
| Vision Build AS | Construction | 2026 |
| Visiple AS | Information & communication | 2016 |
| VITA168 Holding AS | Hospitality | 2013 |
| Vital Learning AS | Professional & scientific | 2012 |
| Vitrona AS | Wholesale & retail | 2025 |
| VLP AS | | 2024 |
| Voglio AS | Information & communication | 2016 |
| Vonom AS | Financial services | 2020 |
| Vso Consulting | Professional & scientific | 2019 |
| Vso Consulting AS | Professional & scientific | 2011 |
| Våge Capital AS | Professional & scientific | 2025 |
| Våge Marketing AS | Professional & scientific | 2026 |
| Vår Bolig AS | Real estate | 2018 |
| Våtromsrenovering AS | Construction | 2025 |
| W.I.Nvest AS | Professional & scientific | 2021 |
| Walan Maskin AS | Construction | 2010 |
| Walgjer Consulting AS | Professional & scientific | 2013 |
| We Met Frisør AS | Other services | 2021 |
| Web to Life Consulting AS | Professional & scientific | 2022 |
| Webnow AS | Information & communication | 2023 |
| Weenbo AS | Real estate | 2011 |
| Weenbo Eiendom AS | Real estate | 2022 |
| Weenbo Prosjektledelse AS | Professional & scientific | 2011 |
| Weenbo-Tømmerholt AS | Real estate | 2022 |
| Weighnet AS | Information & communication | 2023 |
| Well Told AS | Professional & scientific | 2024 |
| Wemius AS | Information & communication | 2026 |
| Westland Holding AS | | 2022 |
| Westland Invest AS | | 2022 |
| Westlie Albertsen Holding AS | | 2023 |
| Wethal Holding AS | Transport & logistics | 1997 |
| Whitewall Holding AS | Wholesale & retail | 2021 |
| WHK Eiendom AS | Real estate | 1988 |
| Widget Invest AS | Financial services | 2005 |
| Wiik AS | Professional & scientific | 2017 |
| Windmill Holding AS | Real estate | 2005 |
| Windmill Property AS | Real estate | 2020 |
| Winds AS | | 2025 |
| Wisivest AS | Real estate | 2012 |
| Wisy AS | Information & communication | 2003 |
| Wonderpause AS | Information & communication | 2025 |
| World Courier (Norway) AS | Transport & logistics | 1998 |
| World Food Trading Norway AS | Wholesale & retail | 2025 |
| Wwrørlegger AS | Construction | 2024 |
| Xlns AS | Information & communication | 2014 |
| XP Power Norway AS | Wholesale & retail | 2001 |
| XT Holding AS | Real estate | 2012 |
| Xvi AS | Transport & logistics | 2026 |
| Ya Bud Og Vare AS | Transport & logistics | 2025 |
| Yas Beauty AS | Other services | 2022 |
| Yin Yang Holding AS | | 2026 |
| Yoga Og Fysio AS | Education | 2019 |
| Yolo AS | Real estate | 2016 |
| Z&Z Investgroup AS | Construction | 2025 |
| Zino Holding AS | Real estate | 2018 |
| Zinvest AS | | 2020 |
| Zoe Kapital AS | Health & social care | 2025 |
| Årnes Brygge AS | Real estate | 2021 |
| Årnes Kvartalet AS | Real estate | 2016 |
| Årnes Kvartalet Næring AS | Real estate | 2018 |
| Ø M Fjeld Utvikling AS | Real estate | 1997 |
| Ø. Hellerud Holding AS | Professional & scientific | 2014 |
| Øiom Property AS | Real estate | 2026 |
| Økonomi Management AS | Professional & scientific | 2016 |
| Økonomiavdelingen Øst AS | Professional & scientific | 2015 |
| Øm Revisjon AS | Professional & scientific | 2013 |
| Østerås Rør AS | Construction | 2020 |
| Østlaft Exclusive AS | Real estate | 2024 |
| Østlandsbolig AS | Real estate | 2024 |
| Øverbakk Data Ans | Wholesale & retail | 1998 |
| Øvre Ankerløkka Utvikling AS | Real estate | 2022 |
| Øvre Romerike Boligutvikling AS | Real estate | 2013 |
| Øvre Romerike Eiendom AS | Real estate | 1988 |
| Øvre Romerike Eiendomsmegling AS | Real estate | 2021 |
| Øvre Romerike Taxi AS | Transport & logistics | 1992 |
| Øvre Romerike Vaktselskap Ans | Administrative & support | 1995 |
| Øybor Holding AS | Financial services | 2005 |
| Øystein Rustad Holding AS | Professional & scientific | 2022 |