Yes, there are taxes. One can not hide a registered corp. But with a DE corp, you can deduct some expenses from corp earnings lowering the taxes.
Ok, my real question is if the taxes apply to the money stored in a US bank account, or for all the international bank accounts (ie: all the money in both my country & usa)
A US registered company, transacting business in US banks, will be subject to US tax code. Of course there are loopholes: