Combined cardholder and merchant account processing transactions handled by Six Payment Services reached 3.60 billion last year. The company dominates the payment card processing business in Switzerland, Austria, and Luxembourg and handles business in 33 countries for bank and merchant customers. Six Payment Services operates as a pure third-party processor after the sale this month of its credit card issuing business in Austria to Easybank (Bawag). Six gained that business in 2013 when it purchased PayLife in Austria. Last year, merchant processing generated 33% of all transactions handled...