 Gimo was connected 1876 by railroad through Stockholm-Roslagens Järnvägar (Dannemora-Gimo-Hargshamn-Hallstavik 1876 and Faringe-Gimo 1921).Gimo has a long industrial heritage that is usually taken to date from 1615 when the Swedish Crown built a foundry here.After being ennobled, Louis de Geer was then given permission to purchase the Gimo works, which he had originally leased.