Josef Ernst Sachs was a Swedish businessman and one of the two founders of the Nordiska Kompaniet department store in .
Born on January 4, 1872 in Stockholm, he became a student there in 1890. Devoteing himself to commercial exercises abroad, upon his return he worked with his father and later became president of the Josef Leja department store in 1902. He would later serve as president of Nordiska Kompaniet from 1902–37, Deputy Chairman of the Board 1933-44, then chairman of the firm until his death in 1949.