Sociedad Española de Precios Únicos, S.A. (SEPU) was Spain's first department store. SEPU was founded in Barcelona 9 January 1934, by Swiss citizens of Jewish origins, Henry Reisembach and Edouard Worms; it later opened branches in Madrid and Zaragoza. Their slogan was "Quien calcula compra en SEPU" ("Who calculates buys at SEPU"). During the Second Spanish Republic, SEPU was attacked by the Falangist newspaper Arriba, and its premises were physically attacked by Falangists and their sympathizers.