Am I Qualifed To Be A Contractor?

I have successfully completed four shop renovations this year ie from scratch till completion with one currently still ongoing. By renovation, I am referring to renovation on my own business outlets ofcourse. It was tough as there are lots of coordination with respective contractors such as the carpenter, painter, plumber, electrician, buying of paints, nails, tiles, cement, doors etc and hell, these are time consuming works. But at the end of the day, it feels good and a sense of "belongings" when you see the actual completed work.