I know Angie's List, Yelp and TripAdvisor focus heavily on reviews. For a business site that includes professionals, are reviews a good feature?
Customers Reviews are a great way to build credibility and increase trust in your customer’s mind. A recent survey (Local Consumer Review Survey 2013) by BrightLocal.com revealed valuable information about how important reviews are and how they influence the consumer’s trust and decision to contact local businesses. The number of consumers who read online customer reviews to determine whether a local business is a good business is increasing every year. Here is the link to BrightLocal report
In addition having a frequently updated page with reviews on your website is a great on-page optimization strategy and an online reputation management method that is often overlooked.