Some say that the Golden ratio is a design myth. I don’t know if its use increases the attractiveness of a composition, but I can say that after years it becomes one of my favorite parts in the logo design process. I often apply the rule of Fibonacci.
There is consistent proximity throughout the logotype. The negative space forming the "N" makes sense with the name because looking at the logotype engages the audience when locating the "N". I also think the logotype font works well bold.