Much of his work is derived from objects such as anonymous portraits, discarded photographs (both of his own family and of unknown people and places), books, and old magazines. He is interested in the way in which ideologies, such as communism and fascism, have affected the individual within the different nations of Europe, and how the "little people" fit within or fall out of a grand historical narrative. Although his paintings are far removed from their source imagery, Adach maintains that the documentary aspect of the found photograph allows him to explore "a different dimension" of the image "without losing its link to history".