H1B petetion Filing

Hi All,

Is Blue planet software solutions a genuine consultants to file H1 petetion.

Am done with All rounds of Interview from one of their client Smartsource-USA and am yet to receive offer letter from them.

Once I get offer letter I need to sign agreement and pay 4250 USD.

Can I believe them, is there any one who already filed H1 and working thru Blue Planet.please help me.

Thanks in Advance