1957- 1960

Due to an order by the Ministry of Employment, cooperativist members were excluded from the General Social Security System, which gave rise to the creation of what is today Lagun Aro Voluntary Mutual Benefit Organisation.

Launch of the magazine Cooperación, which would later become known as T.U. (Trabajo and Union) [Work and Union] and finally T.U. Lankide.

The opening of the first branch of Caja Laboral to the public in a small premises on calle Ferrerías de Arrasate/Mondragón.