Leberri comes from the old Letag. Letag was founded in 1956 and was located in Ormaiztegi. Its economic activity was focused on the manufacture of rotating electrical machinery. The company was consolidated in the lifting sector and was one of the leading companies in its sector.

In 2008 the crisis hit the construction sector hard and as a consequence, the lifting sector. Letag went into crisis in September 2012 and after a short time the company had to close. In the last dates before closing, 16 workers began to develop the Leberri project, which later in December 2012 was consolidated as a cooperative