[3] The then governor Manuel Argañaraz created the departmental political headquarters in the interior, but at the same time, the existence of a rooster arena just 1 and a half blocks from the main square was also a problem.

It granted credits of 5 to 25 years, mainly for the private construction of homes, which appeared in the Property Registry, from the first day, in the name of the owner of the land.

Banco Edificador was able to go through the crisis of the first post-war since 1918, the serious economic crisis of the years 1929 and 1930 forced private shareholders to agree to public capitalization in 1932, under the government of Juan Castro, which transformed it from a private bank into a mixed ownership bank that, through provincial law 1,144 of April 17, was renamed Banco de la Provincia de Santiago del Estero, with an initial capital of m$n 3 million, just over 600,000 current dollars.

They began to incorporate the first branches in the interior of the province, which followed the main railway lines, such as La Banda, Añatuya, Suncho Corral, Frías, Sumampa and Quimilí, Selva, Bandera, Tintina, were added as mobile agencies of the Bank.

In 1961, already during the governorship of Eduardo Miguel, a special first-class branch of the Banco de la Provincia was opened on central Florida Street in City of Buenos Aires.

On September 2, 1996, after a national and international public bidding process in which different bidders participated, it was awarded to Grupo Ick and Banco Florencia S.A. control of the entity.

Mr. Jorge González and Dr. Néstor Carlos Ick † (1937–2023)[8] entity in which he held the presidency of the board of directors and stood out as a member of the executive committee at that time, assumed the commitment to lead the Banco de Santiago del Estero S.A., currently his son Mr. Gustavo Eduardo Ick is the president of the BSE.