Landsbankinn provides traditional lending and deposit services plus market transactions, fund management through subsidiary Landsbréf, corporate finance, private banking and asset management services. Landsbankinn has been headquartered at Austurstræti 11 and surrounding buildings since its establishment. In 2017, the Board of Directors of Landsbankinn decided to construct housing for the Bank's operation at Austurbakki 2, Austurhöfn in Reykjavík. The Bank does not operate outside of Iceland.
At year-end 2019, the National Treasury of Iceland held 98.2% of shares in Landsbankinn. Landsbankinn owns 1.56% of own shares. Other shareholders, current and former employees of Landsbankinn and former guarantee capital owners of the savings banks Sparisjóður Vestmannaeyja and Sparisjóður Norðurlands (other than the state), hold 0.24%.
Gallup surveys show that Landsbankinn held a 37.2% share in the retail market in 2019. Landsbankinn has held the highest share of the retail market six years running. Gallup surveys show that confidence and satisfaction with the Bank’s services has increased in the same period.