We searched Google Maps for "roofing contractor in Lowell, MA" and looked at the first 47 results. Here's what it takes to be near the top.
In Lowell, every roofer in the top 3 had at least 51 reviews. The median roofer on the list had 11. That's the gap to close.
3 of the top 3 had a rating of 4.8 or higher.
Run the same search for your business. It's free and takes ten seconds.