Hola Aucky -
xxx
For information of Argentina licencing and validations, try the GOV.AR site.
Comando de Regiones Aéreas - Personal Aeronáutico All info is in Spanish language.
As far as flying in Argentina (or Chile), you better know Spanish.
xxx
South America suffers of the recession too.
Consider Brazil, helicopter operations are booming in Sao Paulo
They are the world's top helicopter operators, by helicopter fleets.
Sorry, I am fixed wing pilot, so cannot help too much.
xxx
All the best -
Happy contrails