Diana Luttmann, CPA



Diana Luttmann’s Areas of Focus

Nonprofit Accounting Services
Nonprofit Internal Control Best Practices


Diana Luttmann, CPA, Partner, focuses her practice on nonprofit audit and financial management. She has a large concentration of audit services with nonprofits subject to the federal Uniform Guidance and state auditing standards. Her areas of concentration include:

  • Nonprofit audit, review and compilations, with an emphasis on audits conducted under the Uniform Guidance, State Single Audit Guidelines, Department of Health Services Audit Guide and the Provider Agency
  • Audit Guidelines and compliance audits
  • Preparation of the form 990 and state tax returns
  • Charitable organizations and associations
  • Charter, Choice and Partnership schools
  • Agreed-upon-procedures and audits of 2r charter, MPS Non-Instrumentality Charter and Choice schools
  • Nonprofit consultation – start-up, technology, best practices in internal controls and policies
  • Private foundation audit, tax and advisory services
  • Financial operations analysis
  • Technical assistance with fiscal policies and procedures

Diana builds partnerships with nonprofits to help them succeed in areas such as understanding non-profit accounting complexities, operating efficiently and effectively, learning and implementing internal control best practices, and meeting regulatory needs to comply with funding requirements.


  • American Institute of Certified Public Accountants (AICPA)
  • American Institute of Certified Public Accountants Not-for-Profit Section
  • American Institute of Certified Public Accountants Government Audit Quality Center
  • Wisconsin Institute of Certified Public Accountants (WICPA)

Volunteer Work

  • Outreach for Hope
  • Sunday school teacher


Bachelor Degree in Accounting, University of Wisconsin-La Crosse


Certified Public Accountant (CPA)

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“Nonprofits are all-important in providing our community members growth opportunities and essential life care. I am passionate about helping nonprofits become financially successful so they can carry out their mission and provide opportunities to all among us.”

Diana Luttmann, CPA • Partner