Abstract: A method of managing risk associated with processing merchant credit card transactions includes establishing a plurality of merchant processing relationships with a plurality of merchants, compiling transaction history for each of the plurality of merchants, identifying a business relationship between at least two of the plurality of merchants, based on the business relationship, associating the at least two merchants into a single processing relationship, and periodically calculating a measure of processing risk for the single processing relationship by, at least in part, combining the transaction history compiled for each of the at least two merchants. In some embodiments the method includes, based on the measure of processing risk, changing a periodic review schedule for the processing relationship.