GAAP net income was $19.4m, or $0.48 per share, for the three months ended on 30 September 2012, with an increase of 57% from $12.6m during the same period a year ago.
Quarterly net revenue grew to $143.4m, compared to $122.2m during the comparable period earlier year.
Small and Mid-Sized Enterprise (SME) quarterly transaction processing volume stood at $18.8bn, with an increase from $17.8bn year ago quarter.
The company said that operating margin on net revenue was 23.5%, compared to 17.7% for the same quarter in 2011.
For the full year of 2012, the company expects net revenue to be between $544m and $546m, and adjusted EPS of $1.81 to $1.84, before deducting $0.21 per share of after-tax share-based compensation expense.
The company is a payments processor in the US, which offers credit/debit/prepaid card processing, loyalty marketing services, payroll and related business system and services to over 250,000 business and education instructions.