Bank of Sun Prairie's holding company, BOSP Bancshares, Inc., has acquired all Banner Bancorp, Ltd.’s ownership interest in Banner Banks, Birnamwood, Wis. Learn more.
Bank of Sun Prairie is closed Thurs., Jan. 1 in observation of New Year's Day. Happy New Year!
Fraud Alert: Imposter Phone Calls
Bank of Sun Prairie will never ask you for your credit or debit card information, your online banking credentials or ACH information. If you believe you have given out any account information, contact your banker immediately or call us at 608.837.4511 or 800.707.8083.
Our commercial real estate loans, C&I loans, and SBA loans are just the beginning of our robust business lending options.
Our best savings account rates and competitive loan rates demonstrate this community bank’s commitment to you.
✢APY = Annual Percentage Yield
Our interactive financial education program is designed to provide you with the tools you need to make informed decisions when it comes to your finances and your future.
Business Cash Management
Business Online & Mobile Banking
Business Loans & Leases
Personal Checking Accounts
ATM & Debit Cards
Rewards Accounts
Investing in Your Future
Small Business Essentials
Financial Foundations
Building Financial Capability
Preparing for Retirement
Growing Your Small Business
