| Tulium AB Nuf | Administrative & support | 2025 |
| Tundra Film AS | Information & communication | 2002 |
| Tundra Services AS | Administrative & support | 2025 |
| Turnhallen Tromsø AS | Arts & recreation | 2015 |
| Tusojajo Holding AS | | 2025 |
| Tussøyveien Nord V&A SA | Water & waste | 2012 |
| Tvi Gruppen AS | | 2026 |
| Twholding AS | Real estate | 2004 |
| Twinc Holding AS | | 2019 |
| Twinvest AS | Financial services | 2018 |
| Tyin Holding AS | | 2025 |
| Tyras Sølvsmykker Vikingkunst I Sølv Og Andre Metaller Da | Manufacturing | 2008 |
| Tøllefsenhjørnet AS | Hospitality | 2022 |
| Tømmerbygg AS | Real estate | 1993 |
| Tønsvik Utmarks Drift Håndverk Smie Og Gartneri Da | Agriculture & fishing | 2001 |
| Ui Invest AS | Real estate | 2017 |
| Uit Formålskapital AS | | 2022 |
| Ulabrand Invest AS | | 2025 |
| Umer Kedir Taxi Norge Nuf | Transport & logistics | 2022 |
| Un Invest AS | | 2024 |
| Under Ans | Wholesale & retail | 2007 |
| Underhill Holding AS | | 2021 |
| Underverker AS | Wholesale & retail | 2023 |
| Unicod AS | Wholesale & retail | 2006 |
| Union Bolig AS | Real estate | 2008 |
| Unique Norway Tours AS | Administrative & support | 2025 |
| Unique Spaces AS | Professional & scientific | 2025 |
| Unisolution AS | Professional & scientific | 2009 |
| Unitech AS | Professional & scientific | 1986 |
| Universet Studentbarnehage AS | Education | 2022 |
| Upgar Invest AS | Financial services | 2017 |
| Urchinomics Norway AS | Agriculture & fishing | 2025 |
| Urd & Kristin Eiendom AS | Real estate | 2012 |
| Urmaker Hansen AS | Wholesale & retail | 2007 |
| Utdanningsnett Da | Information & communication | 2005 |
| Uthuset AS | Real estate | 2023 |
| Utleienord AS | Administrative & support | 2012 |
| Utpost AS | Professional & scientific | 2012 |
| Utsi//Danbolt AS | Arts & recreation | 2023 |
| Utsikten Legesenter Da | Health & social care | 2002 |
| Utvikling T51 AS | Real estate | 2024 |
| Utviklingstjenester AS | | 2022 |
| V Og W AS | Wholesale & retail | 2017 |
| V.S. Eiendom AS | Real estate | 2016 |
| Vaagen Utvikling AS | Real estate | 2010 |
| Vaaltan AS | Health & social care | 2021 |
| Vaar Legal AS | Professional & scientific | 2021 |
| Vaktmesterhjelpa AS | Administrative & support | 2019 |
| Vakumkjempen Nord Norge AS | Water & waste | 1998 |
| Vala Holding AS | | 2019 |
| Valaskjalv AS | Real estate | 2025 |
| Valin AS | Administrative & support | 2025 |
| Valkyrie Tours AS | Administrative & support | 2025 |
| Valvåg AS | | 2022 |
| Vamb AS | | 2026 |
| Vangberg Boligutvikling AS | Real estate | 2004 |
| Vardefolk AS | Arts & recreation | 2025 |
| Vareregistrering AS | Information & communication | 2024 |
| Vargpet AS | Manufacturing | 2020 |
| Varie AS | Other services | 2023 |
| Vaskeekte Da | Administrative & support | 2008 |
| Vaskeglad AS | Administrative & support | 2019 |
| Vaskera AS | Administrative & support | 2020 |
| Vassmyr Eiendom AS | Real estate | 2019 |
| Vassmyr Invest AS | Financial services | 2007 |
| Veabø Kystfiske AS | Agriculture & fishing | 2015 |
| Vederkast Da | Information & communication | 2015 |
| Vegard Skogen AS | Real estate | 2006 |
| Veita AS | Real estate | 2018 |
| Vekst Frisør AS | Other services | 2020 |
| Velbehag Grønnegata 38 AS | Other services | 2023 |
| Velværesenteret AS | Health & social care | 2003 |
| Vengsøyværing Holding AS | Agriculture & fishing | 2020 |
| Venice Beach AS | Information & communication | 2012 |
| Venn AS | Professional & scientific | 2015 |
| Ventro AS | Construction | 2018 |
| Verd Invest AS | Real estate | 2016 |
| Verdensteatret Bar AS | Hospitality | 2019 |
| Verdis Synthetic Fuels Nuf | Professional & scientific | 2015 |
| Verifi AS | Real estate | 2018 |
| Verifi Tromsø AS | Real estate | 2025 |
| Verkstedbakken 45 AS | Real estate | 2013 |
| Verkstedgrossisten Tromsø AS | Wholesale & retail | 2025 |
| Verkstedhagen AS | Real estate | 2020 |
| Vertshuset Skarven AS | Hospitality | 1992 |
| Vervet Apartments AS | Hospitality | 2025 |
| Vervet AS | Real estate | 2001 |
| Vervet Bakeri AS | Manufacturing | 2021 |
| Vervet Drift AS | Real estate | 2021 |
| Vervet Hotell AS | Real estate | 2019 |
| Vervet Opplevelser AS | Administrative & support | 2023 |
| Vervet Sjømat AS | Hospitality | 2024 |
| Vervet Utleie AS | Real estate | 2021 |
| Vestavinden Familiebarnehage SA | Education | 1993 |
| Vesterhell AS | | 2026 |
| Vestermo Invest AS | Financial services | 2018 |
| Vestregata 20-22 AS | Real estate | 2015 |
| Vestregata 28 AS | Real estate | 2001 |
| Vestregata 40 AS | Real estate | 2019 |
| Vestregata 62 AS | Real estate | 2007 |