On May 20, 2008, Standard&Poor's Ratings Services assigned its 'A+' long-term and 'A-1' short-term counterparty credit ratings to payment solutions company Visa Inc. (Visa). At the same time, Standard&Poor's raised its long-term counterparty credit rating on Visa International Service Assn. to 'A+' from 'A'. The outlook for both is stable. The ratings on Visa are based on its strong global market share position and franchise, and its relatively low exposure to credit risk. A strong customer base with negligible member failures and credit losses to date also supports the ratings. The company's business is highly scalable and revenues continue to benefit from strong growth of dollar volumes and number of transactions processed through its systems, leading