Different payments groups with different taxes in percent. Very good reports and clear and fast answers from the system plus with our payment provider it works perfectly.
Improving the company and internal processes.
Fiserv has several different platforms they call "cores" this can fragment their customer base. For example we are using a core system that is not quite as robust as those banks using a different core system. Fiserv also has a tendency to nickel and dime...
Too many expensive, not very involved with client relationship