Guillermo and Cortado are produced all around the globe. And they change according to region in where they are cultivated. So, the question arises what is Guillermo and Cortado's differentiating factor?In following section we will take a close look at what is Guillermo and Cortado color, serving style, types and much more. First thing to know is what are the different types of Guillermo and Cortado. Well, Guillermo types include Espresso while types of Cortado are Cortado Bombon (espresso with condensed milk), Leche Y Leche (with condensed milk and cream on top).