This is great, I have seen your signature announcement already in the service board which is a nice one to give your company a very good exposure. The idea of review campaign is fine which I think should come first to have honest review and also accept criticism. Don't ask for or expect positive reviews only. As the review campaign is ending, signature will follow. But since you started the signature first it is fine and even if both goes simultaneously it is still good. It is all about planning and finance.