People are searching online before they make purchasing decisions; and, they are looking at reviews to give them guidance. You need to share social proof and case studies on your website that shows you do deliver on your promises. It is important to have reviews across multiple platforms; i.e. Google My Business, Facebook, Yelp, etc; and, you should share this information on your website. Reviews also help rank your website online, in addition to growing your online reputation and brand recognition.