| Trent & Trent Thon Senter Sandvika AS | Wholesale & retail | 2025 |
| Tricore Holding AS | Construction | 2022 |
| Trident Advokat AS | Professional & scientific | 2022 |
| Trimble Norway AS | Information & communication | 2000 |
| Trontex AS | Wholesale & retail | 1993 |
| Trysilsetra Service AS | Construction | 2013 |
| Trøye AS | Wholesale & retail | 2023 |
| Tuktuk AS | Professional & scientific | 2016 |
| Tuktuk Sandvika AS | Hospitality | 2016 |
| Tuktuk Thai Street Food Sandvika AS | Hospitality | 2020 |
| Tuva a AS | | 2018 |
| Tuva a II AS | | 2019 |
| TVH Norge AS | Wholesale & retail | 2025 |
| Tvillingene CC Eiendom AS | Real estate | 2007 |
| Tylden Publishing Da | Information & communication | 2023 |
| Tystein AS | | 2024 |
| Tømrerfirma Willy N.Amundsen AS | Construction | 2019 |
| Tømte Invest Da | Real estate | 2009 |
| Valhalla Invest AS | Real estate | 2025 |
| Vallermyrvegen 36 AS | Real estate | 1933 |
| Vallermyrvegen 36 Holding AS | Real estate | 2023 |
| Valve Integrity Provider AS | Information & communication | 2023 |
| Vari Arkitektur AS | Professional & scientific | 1995 |
| Varjag Ltd Nuf | Professional & scientific | 2003 |
| Varme & Sanitærteknikk AS | Construction | 1990 |
| Varme Acquisitions AS | Energy | 2014 |
| Varme Finco AS | Energy | 2018 |
| Varme Topco AS | Energy | 2018 |
| Vellene Invest AS | | 2023 |
| Velodu AS | Real estate | 2018 |
| Velværereiser AS | Administrative & support | 1988 |
| Vendex AS | Wholesale & retail | 2021 |
| Veslevangen Holding AS | Financial services | 2016 |
| Vest Legesenter Da | Health & social care | 2023 |
| Vestpool Holding AS | Financial services | 2005 |
| Vestre Bærum Eiendomsmegling AS | Real estate | 2024 |
| Vevito Da | Wholesale & retail | 2008 |
| Viadoc AS | Information & communication | 1999 |
| Vianova AS | Professional & scientific | 2025 |
| Vianova Eureka AS | Information & communication | 2025 |
| Viking Corp AS | Wholesale & retail | 2024 |
| Viking Ventilasjon AS | Construction | 2022 |
| Vikos Prosjekt AS | Professional & scientific | 2021 |
| Vip-Clinique Sandvika Ans | Arts & recreation | 1989 |
| Visit Invest AS | Real estate | 1960 |
| Vital Ønh & Hørselsenter AS | Health & social care | 2022 |
| Vogtsgate 66 Næring AS | Real estate | 2012 |
| Vub Holding AS | | 2023 |
| Værtshuset Bærums Verk AS | | 2000 |
| Vøllestad Dagligvare AS | Wholesale & retail | 2025 |
| Vøyenenga Pizza AS | Hospitality | 2015 |
| Wang Sethov AS | Information & communication | 2015 |
| Wax and Beauty Lab AS | Other services | 2016 |
| We Consult AS | Professional & scientific | 2025 |
| Weebe AS | Information & communication | 2024 |
| Wen-Hr AS | Professional & scientific | 2026 |
| Westegaard Holding AS | | 2026 |
| Wex Europe Services AS | Administrative & support | 2014 |
| Wheelhouse AS | Professional & scientific | 1993 |
| Wijama AS | Real estate | 2007 |
| Willowyn Consulting AS | Information & communication | 2016 |
| Windchange AS | Financial services | 2008 |
| Witchetty AS | Professional & scientific | 1997 |
| Wowbrow CC Vest AS | Wholesale & retail | 2018 |
| Wowbrow Cosmetics AS | Wholesale & retail | 2023 |
| Wowbrow Frogner AS | Other services | 2019 |
| Wowbrow Holding AS | Other services | 2024 |
| Wowbrow Salonger AS | Other services | 2024 |
| Wowbrow Sandvika AS | Other services | 2023 |
| WPG Sandvika AS | Hospitality | 2022 |
| Wu Restaurant AS | Hospitality | 2016 |
| Yalla AS | | 2025 |
| Zerosubnet AS | Information & communication | 2019 |
| Zhongyu Appleby Energy AS | Professional & scientific | 2026 |
| Ziben AS | Real estate | 2015 |
| Zivafinance AS | Information & communication | 2026 |
| Zo Skin Health Norway AS | Wholesale & retail | 1998 |
| Zouq Sandvika AS | Hospitality | 2016 |
| Änglagård AS | Wholesale & retail | 1999 |
| Åsdam AS | Education | 1990 |
| Ørneberg Invest AS | | 2026 |
| Ørsnesvika AS | Real estate | 2005 |
| Ørsnesvika Holding AS | | 2026 |
| Øv Gruppen AS | | 2021 |
| Øysand Kolonihageutbygging AS | Real estate | 2013 |