Small business banking made easy at Union National Bank.


Business Banking Experts –
a relationship to meet your needs.

Notice: We’re pleased to announce that on Wednesday, June 17, 2020 our teller area will be open during regular business hours to service customers through the walk-up and drive-up areas. We have taken the necessary precautions to keep you and our employees healthy. If you require the assistance of one of our employees, the lobby and safe deposit area will be available by appointment. For everyone’s safety, a mask will be required to enter these areas. For appointments, please dial 847-888-7500 Ext. 8146. We appreciate your patience and understanding during this transition.

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Here When You Need Us

Offering advanced technology to help you with your small business banking needs and a concierge team guide you along the way. Union National Bank is here every step of the way, from commercial and small business loans to banking services, discover the difference with UNB.

Contact A Concierge


Discover Our Benefits

Union National Bank works day and night to provide you with all of the resources necessary to make your business a success. Prequalify online for a commercial loan or find additional resources such as FDIC’s Electronic Deposit Insurance Estimator, the STAR ATM Finder and loan documents on our Resources page.

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Online Banking

All of your small business banking resources in one place. Manage your accounts, transfer funds, and make payments online.

FDIC’s Electronic Deposit Insurance Estimator

Mobile Banking App

Discover the Union National Bank Mobile Banking App to manage all of your financial assets in one place.

Apple App Store
Google Play App Store


Serving the Chicago Metro Area for Over 100 Years

As innovators within both our local and national banking communities, Union National Bank makes it our daily pursuit to provide service-based, personalized solutions. With simple processes and quick responses, our talented team will take care of your small business banking needs. Specializing in commercial loans and banking services, Union National Bank offers the concierge service your small business deserves.

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