Great Valley Roofing does outstanding work! I watched their employees replace the shingled roof on our neighbor's house. They arrived on time each day and completely cleaned their debris before leaving at the end of the day. The repairmen acted professional, no loud music or profanity. The best part of their job is the end result...a beautiful, solid and quality new roof. I was so impressed I called the owner, Horacio Barron, asking him to give me a estimate to repair our roof! The estimate

Outstanding job, very professional, excellent repair of roof beyond what we thought could be done. Completely satisfied, reasonably priced, excellent delivery of services. We would recommend this company to everyone looking for quality workmansip.

Called Great Valley for an estimate. We made an appointment for the following Monday (since it was Friday, I figured there wouldn't be time that day). No one showed up on the Monday. I called again on Tuesday morning to inquire as to why no one showed up, and the woman said "Yes, we have an appointment for the 17th." I replied "The 17th was yesterday!" She said "OH! Well, I will send him out today", No one showed up and I never called back. We went with another roofer obviously and they lost out