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Charles A. Nigl, CPAPartner


Chuck has over 45 years of experience in public accounting. As a partner, Chuck assists clients with financial planning and preparation for businesses and individuals. He joined HK in 2021.


Corporate, partnership, estate and individual tax planning and preparation, financial planning, financial statement preparation, and general business consulting and management services

Education & credentials

B.A. in accounting, University of Wisconsin Oshkosh, Oshkosh, Wis.
Certified Public Accountant (CPA)


Wisconsin Institute of Certified Public Accountants (WICPA)
Beta Gamma Sigma


University of Wisconsin Oshkosh Alumni Association, Past Board Member and Treasurer
Oshkosh Area Catholic Schools Athletic Association, Past Board Member and Treasurer
Lourdes High School, Past Board Member and Treasurer
St. Joseph Parish, Past Board Member and Treasurer

Family life & hobbies

Chuck and his wife, Kathleen have two sons, Matthew and Michael, and two daughters, Michelle and Mackenzie. In his free time, Chuck enjoys spending time with family, boating and traveling.

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