Samarbeidende Sparebanker AS is a Norwegian bank holding company that owns 19.50 percent of SpareBank 1 Gruppen. As of May 2025, the group is owned by the following Norwegian savings banks:SpareBank 1 Gudbrandsdal SpareBank 1 Hallingdal Valdres SpareBank 1 Helgeland SpareBank 1 Lom og Skjåk SpareBank 1 Nordmøre SpareBank 1 Ringerike Hadeland SpareBank 1 Sogn og Fjordane SpareBank 1 Østfold Akershus