Bank of Sun Prairie is closed on Monday, September 7, 2026, in observation of Labor Day.

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. Businesses, read more here on PPP loan scams.

FDIC Digital Sign, using the official FDIC wordmark. This digital sign indicates the deposit institution is backed by the full faith and credit of the US government.

Bank of Sun Prairie

Making an investment in your business

Our commercial real estate loans, C&I loans, and SBA loans are just the beginning of our robust business lending options.

Business Loans

Offering our best rates

Our competitive rates demonstrate our community bank’s commitment to you.

See Rates

Financial fitness center

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.

  • Investing in Your Future
  • Small Business Essentials
  • Financial Foundations
  • Building Financial Capability
  • Preparing for Retirement
  • Growing Your Small Business

Financial Education

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