Looks good, have you seen an improvement in the overall conversion of your website?
Anyway, one suggestion on how you can improve will be to insert photos of the individuals giving the reviews or testimonials. It will increase the credibility of the claims as discovered in a recent research
Another suggestion will be to prompt your customers to provide some kick-*** testimonials instead of a one liner. One that tells a story or one that compares your business to another will definitely be more persuasive than one-liners.
You can read more about improving customer testimonials here: http://unbounce.com/landing-pages/conversion-killers/