Here are some features you might want for any business: 1. Reporting on who spent how much on what? 2. Access control and roll over in case someone leaves, jo

Here are some features you might want for any business: 1. Reporting on who spent how much on what? 2. Access control and roll over in case someone leaves, joins, quits angrily and so on 3. Backup and contingency plans in case your bank decides to revoke their relationship. 4. Points back. I think Amex has the most finely grained reporting and control and this, alone, is worth more than the others.