MidWestOne Bank will complete its integration and open as Nicolet National Bank on Monday, August 10, 2026.
This guide is designed to help MidWestOne business customers understand what their accounts will become at Nicolet National Bank. Please use the information below to identify your new account following the conversion on August 10, 2026.
Business Checking Accounts
Current: MidWestOne Business Checking Account
Converted to: Nicolet Bank Business Checking Account
*Grandfathered existing accounts as of 08/10/2026. A grandfathered account means your account was opened under earlier terms, and you’re able to keep those terms—even though the account may have changed and is no longer offered. When products or policies are updated, we sometimes continue honoring the original terms for existing customers.
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