The Authi firm was officially registered on 12 November 1965 under the chairmanship of Eduardo Ruiz de Huidrobo y Alzurena, with its head office and premises at Arazuri, a few kilometers to the west of Pamplona.
A firma Authi rexistrouse oficialmente o 12 de novembro 1965, baixo a presidencia de Eduardo Ruiz de Huidrobo y Alzurena, coa súa oficina central e fábrica en Arazuri, a poucos quilómetros ao oeste de Pamplona.