Founded by the two Canadian banking giants in 2000, Moneris handles a third of all business transactions in the country.
RBC and BMO have brought in advisors to explore a potential sale of the business which brings in around $700 million in annual revenues, says Reuters, citing sources.
Banks have shed their payments operations in recent years; last month another Canadian lender, TD, agreed to offload part of its merchant processing business to Fiserv.