Hagen CPA, LLC is a CPA firm in Evansville, Wisconsin, serving individuals and small businesses with tax, accounting, payroll, and advisory support. The firm is described as family-owned and established in 1977, with service information focused on practical help for filing, planning, reporting, and business operations.

Its listed services include individual and business tax preparation, tax planning, financial statements, bookkeeping, new business formation, business planning, payroll setup, and payroll processing. Hagen CPA, LLC also offers QuickBooks assistance for clients who need help with accounting workflows and related setup. The source material also references service areas across several Wisconsin counties, including Rock, Dane, Jefferson, Kenosha, Milwaukee, and Waukesha counties.