Attention: You are now leaving a Wintrust Community Bank website.

Attention Oak Bank Customers


The conversion process has completed and you may now access your accounts at Wintrust Bank. Please select the appropriate links below in order to access your accounts as well as download additional documentation regarding Quicken conversion.

For assistance over the phone, please call 312-440-4000.
We thank you for your patience throughout the conversion process.

Online Banking Links:

Starting Monday, September 16, 2019 at 8 a.m.

Consumers please use the .communityBanking Personal Online Banking link

Businesses please use the i-BusinessBanking Business Online Banking link.


Please reference the recent information we mailed to you, or call the bank at 312-440-4000 for your username and temporary password.

Just For Fun…

We believe in going above and beyond banking solutions to be a real asset to our community. That’s why we don’t just focus on banking; we find ways to bring people together.


Life was meant for great adventures!


Teach your kids that saving money can be fun!


Family night, neighborhood cookouts and more!

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