I'm talking about things like Yelp. Places that i can add my service/product to and have my customers go there and leave reviews. I could do it on my own site, but i don't feel that's honest enough as i can simply change all reviews myself. Thanks!
I like Review Centre and Trust Pilot. They are both easy to use and have the added benefit that Google auto detects the urls that reviews are related to so you can then pull reviews into you google merchant account results and also google adwords ads.