A system with a transaction operator processor (1) for supporting a business transaction, the business transaction, including at least receiving an order from a communication device (7(j)) of a client, and arranging for an automatic payment transaction associated with said business transaction from a client account to a merchant account; the system has at least one client service provider processor (5(i)) provided with a memory storing client profile data necessary for the business transaction and arranged to communicate the client profile data to the transaction operator processor (1) during the business transaction, the transaction operator processor (1) performing the business transaction upon receipt of the client profile data.