Corporate O2 Customer Service

1. Corporate O2 Customer Service
2. Corporate O2 App Comments & Reviews (2024)
3. Corporate O2 iPhone Images

The Corporate O2 App streamlines your Old Second Bank accounts on the go. It’s fast, secure and makes life easier by empowering your business with the tools you need to manage your finances.


Here’s what else you can do with Corporate O2:


View account transactions and transfer funds between accounts
View and approve your Positive Pay exceptions
Wire, ACH and Transfer approvals
Access to Business Mobile Deposit (for enrolled customers)


To use the Corporate O2 app, you must be enrolled as an Old Second National Bank online banking user. If you currently use our internet banking service, simply download the app, launch it, and login with the same credentials.

Corporate O2 App Comments & Reviews