| Söderberg & Partners Nordvest AS | Financial services | 2021 |
| Søba AS | Information & communication | 2026 |
| Sølvpilen AS | Administrative & support | 2001 |
| Sølvtrans AS | Transport & logistics | 1991 |
| Sølvtrans Canada AS | Transport & logistics | 2018 |
| Sølvtrans Management AS | Transport & logistics | 2003 |
| Sølvtrans Rederi AS | Transport & logistics | 2008 |
| Sølvtrans Rederi II AS | Transport & logistics | 2016 |
| Sølvtrans Rederi III AS | Transport & logistics | 2017 |
| Sølvtrans Rederi IV AS | Transport & logistics | 2021 |
| Sølvtrans Wellboat AS | Transport & logistics | 2017 |
| Sølvtrans Wellboat Operation AS | Transport & logistics | 2018 |
| Sørheim Invest AS | | 2022 |
| Sørnesvågen AS | Real estate | 2019 |
| Sørnesvågen Solsenter Ans | Arts & recreation | 1997 |
| Sørsida Eiendomsselskap 1 AS | Real estate | 2022 |
| Sørsida Eiendomsselskap 2 AS | Real estate | 2022 |
| Sørsida Eiendomsselskap 3 AS | Real estate | 2022 |
| Sørsida Eiendomsselskap 4 AS | Real estate | 2023 |
| Sørsida Utvikling AS | Professional & scientific | 2019 |
| Søstrene Strid AS | Other services | 2025 |
| Søvik & Skåravik AS | Construction | 1993 |
| Søvik & Skåravik Eiendom AS | Real estate | 2011 |
| Søvik Detaljhandel AS | Wholesale & retail | 2004 |
| Søvik Hamnsundvegen 226-228 AS | Real estate | 2021 |
| Søvik Promotion AS | Professional & scientific | 1988 |
| T a Sund Holding AS | Real estate | 2012 |
| T B Gangstad AS | Real estate | 1997 |
| T Haugland Invest AS | | 2016 |
| T Lothe Holding AS | | 2017 |
| T S Invest AS | Real estate | 1987 |
| T&R Invest AS | | 2024 |
| T&S Eiendom AS | Real estate | 2021 |
| T&T Sushi AS | Hospitality | 2020 |
| T. Lund Invest AS | Real estate | 2017 |
| T. S. Nedregårdsveien 5 AS | Real estate | 2005 |
| T. Tryphon Transport AS | Transport & logistics | 2011 |
| T.S.K Holding AS | | 2024 |
| T1 Bygg AS | Construction | 2013 |
| T2 Scene AS | Arts & recreation | 2021 |
| Ta Det Piano AS | Hospitality | 2013 |
| Ta Innovation AS | Information & communication | 2010 |
| Taderma AS | Health & social care | 2020 |
| Tafhorn AS | Arts & recreation | 2002 |
| Tafjord Connect AS | Information & communication | 1997 |
| Tafjord K AS | Wholesale & retail | 2021 |
| Tafjord K Holding AS | Wholesale & retail | 2021 |
| Tafjord Kommunikasjon AS | Wholesale & retail | 1983 |
| Tafjord Kraft AS | Energy | 1996 |
| Tafjord Kraftproduksjon AS | Energy | 1997 |
| Tafjord Kraftvarme AS | Energy | 1997 |
| Tai Shan Restaurant AS | Hospitality | 2023 |
| Tajmahal AS | Hospitality | 2009 |
| Take a Break AS | Hospitality | 2020 |
| Takk for Sist Studio AS | Professional & scientific | 2020 |
| Taksenteret AS | Wholesale & retail | 1986 |
| Takst 24 AS | Real estate | 2023 |
| Tale AS | | 2020 |
| Tanda AS | Wholesale & retail | 2022 |
| Tanngeir SVS Invest AS | Health & social care | 2023 |
| Tannlege Coldevin AS | Health & social care | 2012 |
| Tannlege Geir S. Slettvoll AS | Health & social care | 2023 |
| Tannlege H.M.David-Andersen AS | Health & social care | 2025 |
| Tannlege Håkon Bjerkan AS | Health & social care | 2005 |
| Tannlege Irene Dybvik AS | Health & social care | 2013 |
| Tannlege Kristin Aarseth Grøtteland AS | Health & social care | 2015 |
| Tannlege Reijnst AS | Health & social care | 2019 |
| Tanux Shipping AS | Transport & logistics | 2006 |
| Tanux Shipping KS | Transport & logistics | 2006 |
| Tarragon AS | | 2020 |
| Tastic AS | Manufacturing | 2026 |
| Tasty Haven AS | Hospitality | 2025 |
| Tau Invest AS | Real estate | 2016 |
| Taurus Ink AS | Other services | 2024 |
| Taxi T24 AS | Transport & logistics | 2024 |
| Taxi Transport Ålesund AS | Transport & logistics | 2021 |
| Taxibuss AS | Transport & logistics | 2020 |
| TB Brasilhus AS | Real estate | 2005 |
| Tba Industries AS | Information & communication | 2019 |
| TCV Holding AS | Financial services | 2013 |
| TD Consulting AS | Professional & scientific | 2013 |
| TDM Holding AS | Real estate | 2007 |
| Teal Holding AS | | 2022 |
| Team Osc AS | | 2021 |
| Tebo Holdco AS | | 2020 |
| Techboost AS | Professional & scientific | 2018 |
| Techsea Invest AS | Information & communication | 2024 |
| Tecn AS | Professional & scientific | 2012 |
| Tef Holding AS | Real estate | 2011 |
| Tejos 2 AS | | 2021 |
| Tejos 3 AS | | 2021 |
| Tejos AS | | 2005 |
| Teknisk Dykking AS | Arts & recreation | 2006 |
| Tekniva AS | Professional & scientific | 2009 |
| Teknologen Invest AS | Real estate | 2020 |
| Telehuset Førde AS | Real estate | 2023 |
| Tema Property AS | | 2026 |
| Teno AS | Financial services | 2017 |
| Tentmaster AS | Manufacturing | 2022 |
| Terje Paulsen Holding AS | Transport & logistics | 2025 |