The State Archives in Trondheim is an institution whose main task is to preserve and make available archives of social importance. This includes the archives of the National Archives, eight state archives, the Sami Archives and the Norwegian Health Archives. The State Archives plays an important role in documentation management, both in the public and private sectors, and offers guidance and supervision of public archives.
In addition to preserving archival material, the State Archives offers services related to the digitization of archives. They have specific services for genealogy and coordinate work with private archives. The institution is also involved in development and innovation within the archive sector, which helps to promote better practice and the accessibility of archival material to the general public.