After checking their license, insurance, years of experience, BBB rating, then it comes to
Referrals - If a roofer won’t give you referrals is that a bad sign?
They say just look on Yelp or the Diamond Certified rating.
Then there is Yelp, Diamond Certified, Angie’s List or similar.
Yelp - How do you know if there aren’t a lot of fake reviews?
it seems that most have some complaints.
If the complaints are mostly no-shows and not leaks, is that OK?
In my area there is a rating service called Diamond Certified.
In comparing it to yelp, I see that they leave of negative reiviews.