| Vårveien 22 AS | Real estate | 2005 |
| Vårveien 24 Drammen AS | Real estate | 2019 |
| Vårveien 25 AS | Real estate | 2006 |
| Vårveien Rørleggerservice AS | Construction | 2015 |
| Våtrom Entreprenøren AS | Construction | 2006 |
| Vø Gulskogen AS | Wholesale & retail | 2008 |
| W & K GmbH | Manufacturing | 1999 |
| W Soft Ans | Information & communication | 1989 |
| W-Silva AS | | 2024 |
| W. Aspenes Invest AS | Real estate | 2007 |
| W.H. Holding AS | Real estate | 2013 |
| Waagaardsløkka AS | Real estate | 2024 |
| Wagner AS | Professional & scientific | 2020 |
| Wago Building Technologies AS | Information & communication | 2026 |
| Wagonlink AS | Administrative & support | 2015 |
| Wakt Holding AS | Professional & scientific | 2005 |
| Walaker AS | Real estate | 2017 |
| Walberg Stål AS | Wholesale & retail | 1992 |
| Waldemar Inspirasjon AS | Information & communication | 2011 |
| Walkmouse AS | Information & communication | 2014 |
| Wang Handel AS | Wholesale & retail | 2013 |
| Wani Venture AS | | 1993 |
| Wanted AS | Wholesale & retail | 2020 |
| Warpalizer Norway AS | Information & communication | 2015 |
| Wasabi Sushi Drammen AS | Hospitality | 2015 |
| Watchtower AS | Professional & scientific | 2013 |
| Waterguard Intl AS | Administrative & support | 2026 |
| Waterguard Intl AS | Wholesale & retail | 2002 |
| Wavmed AS | | 2018 |
| Wax Hus AS | Construction | 1994 |
| Waypoint AS | Professional & scientific | 2017 |
| Wdmr Invest AS | | 2026 |
| We Are Holding AS | | 2024 |
| We to AS | Other services | 2022 |
| WE2 Velvære AS | Other services | 2004 |
| Wealth Management AS | | 2023 |
| Web-Dev AS | Information & communication | 2011 |
| Webmentor AS | Professional & scientific | 2023 |
| Webplug AS | Information & communication | 2025 |
| Wefile AS | Professional & scientific | 2020 |
| Wefo Holding AS | Information & communication | 2022 |
| Weglostal SP Z O O Nuf | Manufacturing | 2009 |
| Welander Invest AS | Wholesale & retail | 2016 |
| Welkins AS | Information & communication | 2018 |
| Well by Nature AS | Wholesale & retail | 2023 |
| Welt AS | Professional & scientific | 2015 |
| Wenche Wettergreen Holding AS | Wholesale & retail | 2005 |
| Wenim Studio Da | Wholesale & retail | 2024 |
| Wennes Klinikken AS | Other services | 2010 |
| Wenro Invest AS | Real estate | 2019 |
| Werge AS | Professional & scientific | 2013 |
| Werner Elektrisk Installasjon AS | Construction | 1983 |
| Weroka AS | Real estate | 1981 |
| Werpen Eiendom AS | Real estate | 1993 |
| Werpen Holding AS | Real estate | 2005 |
| Werringgården AS | Real estate | 2021 |
| Wessel Fevang AS | Real estate | 2005 |
| Wessel-Berg Profilering AS | Professional & scientific | 2016 |
| Westbound Shipping Company Ltd | | 2001 |
| Westervald Management Consulting AS | Professional & scientific | 2005 |
| Wethal Eiendom AS | Real estate | 2026 |
| Wethal Tavleteknikk AS | Manufacturing | 2010 |
| Wext AS | Professional & scientific | 2026 |
| Wext Venture AS | | 2026 |
| WH Sport Og Fitness AS | Arts & recreation | 2022 |
| Whatsub TV AS | Hospitality | 2024 |
| Wholesome Holding AS | Information & communication | 2019 |
| Wi 4 Invest AS | Arts & recreation | 2021 |
| Wibo Holding AS | | 2022 |
| Widemann AS | Real estate | 2006 |
| Widemann X11 AS | Professional & scientific | 2020 |
| Width Holding AS | | 2022 |
| Wieso AS | Professional & scientific | 2017 |
| Wieso Rail AS | Professional & scientific | 2020 |
| Wiig Boligutleie AS | Real estate | 2019 |
| Wiig Eiendomsutvikling AS | Real estate | 2019 |
| Wiig Forvaltning AS | Real estate | 2019 |
| Wiik & Jåstad AS | | 2024 |
| Wik Holding AS | | 2020 |
| Wike Helse AS | Health & social care | 2012 |
| Wiksæther AS | Professional & scientific | 2025 |
| Wilden AS | Professional & scientific | 2020 |
| Wildenveys Hage AS | Real estate | 2006 |
| Wilh. Kolstad AS | Construction | 2022 |
| Wilh. Kolstad Holding AS | | 2022 |
| Wilje Eiendomsutvikling AS | Real estate | 2015 |
| Willab Garden AB Nuf | Wholesale & retail | 2009 |
| Willy's Eiendom AS | Real estate | 1995 |
| Wilten Invest AS | | 2021 |
| Win Delivery AS | Transport & logistics | 2025 |
| Win Personell AS | Administrative & support | 2024 |
| Win Solution AS | Information & communication | 2019 |
| Windstad Holding AS | Real estate | 2023 |
| Windup Ventures AS | | 2025 |
| Winge AS | Professional & scientific | 2018 |
| Winskin AS | Other services | 2013 |
| Winsmart Regnskap AS | Professional & scientific | 2024 |
| Winstein Invest AS | Real estate | 2011 |
| Wistaria AS | | 2024 |
| Wistma AS | Real estate | 2019 |