Welcome to the Old Second family. Below are several handy links to help make your experience with Old Second as efficient as possible. We encourage you to browse the product and service links in the header and footer of any Old Second web page. And if you need any help, feel free to contact us at 877-866-0202, or by using the "Chat" button at the top during business hours, or by visiting our Contact page.


ONLINE BANKING LOGIN


To login to Online Banking, select the Personal or Business login links below. Beginning June 11, 2018, you will be directed to your Old Second Online Banking account.

Online Banking - Personal

Online Banking - Business

If you have not yet enrolled in O2 Online Banking, please click here:

WELCOME GUIDES FOR ABC CUSTOMERS


The below PDF links provide account information, important dates, FAQs, and more.

Welcome Guide - Personal

Welcome Guide - Business

DISCLOSURES


Click the below PDF links to view account disclosures, privacy policy, and more.

Disclosures - Personal

Disclosures - Business

APPS


Old Second apps are available for mobile banking, debit card control, mortgages, mobile payment acceptance, ATM finder, and retirement.

View and Download our Apps