Guillermo and Cold Brew 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 Cold Brew's differentiating factor?In following section we will take a close look at what is Guillermo and Cold Brew color, serving style, types and much more. First thing to know is what are the different types of Guillermo and Cold Brew. Well, Guillermo types include Espresso while types of Cold Brew are Iced Coffee.