Yes, in your case you will most likely only have to pay taxes in the UK on Australian and American profits, unless you have physical operations in those countries that generate profit. On EU profits on the other hand, you have to deal with the maze of VAT for each customer. If you were to sell physical products, then it's different story.
Yes, in your case you will most likely only have to pay taxes in the UK on Australian and American profits, unless you have physical operations in those countries that generate profit. On EU profits on the other hand, you have to deal with the maze of VAT for each customer. If you were to sell physical products, then it's different story.