In which way do Corporate and Private FX Customers Alter?

Large numbers of decent currency exchange firms offer two (or more) account forms - those for corporate customers and ones for retail client. But why do they provide a distinguished service when the goal is the same, to speculate on currencies? OK, every person that trades currency pairs is doing so for their personal purposes. For instance, you as a private account holder could be interested in speculating on forex fluctuations by employing a financial spread betting account. Alternatively, you may be a corporation that needs to settle payment on international goods. Both need to go through the foreign exchange market however might utilize distinguished plans of action.