100% anonymous offshore company

I read about dark documents, second citizenship, no public registry for instant in Seychelles. BUT how can I be 100% sure that no one ever will find out that I registered my offshore company at any jurisdiction? What I mean is, can I be sure that the service provider won't tell anyone what my...

How can I setup a total anonymous offshore company with bank account (I don't care if it is a real bank just it is anonymous) and without to provide my documents or as less as possible.? Any idea, I'm willing to pay money for such an solution please?