I think it's great that many businesses are realising the popularity and appeal to street art. You find many more commissioned pieces for sides of business' buildings now.
One of the most popular Spanish commissioned street artists is Man-O-Matic. His company name is Sioke. His work is astounding, so it's easy to see how he became successful!
Here is some of his latest work...
*All photos from Man-O-Matic Flickr