Not really. There is nothing wrong with a BR company having a US subsidiary or the other way around, and many companies big and small do it. You will need a la

Not really. There is nothing wrong with a BR company having a US subsidiary or the other way around, and many companies big and small do it. You will need a lawyer, or at least a good accountant, to get the taxes right: pay what you owe in the US and in BR, avoiding at all possible double taxation.