I have received several calls from these people. They day they can assist in lowering your credit card interest rates. They say they work with all the big credit cards names. Very ambiguous when questions. Got defensive when I asked them to prove to me that they were a ligitimate company. You cannot return the call on the caller id and get a legitimate company. It will tell you 'if you would like to make a call.....'
I called chase bank and asked if they were working with a firm like this and they said no. They cautioned me against giving them any information.