I dealt with Kelly (from Grout Busters). He spent three days at my new home cleaning lots of very dirty grout. I can't say enough about how happy I am with the service he provided. He arrived every day on time, worked very hard, was pleasant and helpful without being intrusive, and he did a great job. Cleaning grout is not an easy job, especially when it has been building up for a long time but Kelly got right to work, and didn't complain once. I was so comfortable with him that I didn't think twice about leaving him alone while I ran errands. I only wish all service providers had his work ethic and demeanor.