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John A. Sikora


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John A. Sikora


  • Telephone

  • Fax

    (414) 238-6534

  • Email

  • Office

    411 East Wisconsin Avenue
    Suite 1000
    Milwaukee, WI 53202
    20975 Swenson Drive
    Suite 400
    Waukesha, WI 53186

John Sikora is a Shareholder representing clients in tax planning, tax controversies and the buying and selling of businesses and real estate with a particular focus on corporate, partnership and other business matters.

John is an adjunct professor of law at Marquette University Law School, where he has taught the tax practice and procedure and corporate income tax courses. John has also taught the taxation of partnerships and S corporations course to graduate accounting degree candidates at the University of Wisconsin-Milwaukee. In addition he has served as the instructor for numerous continuing education programs, including courses offered by the State Bar of Wisconsin and the Wisconsin Institute of Certified Public Accountants (WICPA).

John has served as the chair of the Taxation Section of the Milwaukee Bar Association, was the chair of the Board of Directors of the State Bar of Wisconsin Taxation Section, and the editor of the Wisconsin State Bar Tax News

  • University of Wisconsin, J.D., cum laude
  • University of Wisconsin, B.B.A.

  • Wisconsin
  • U.S. Court of Federal Claims
  • U.S. Tax Court

  • State Bar of Wisconsin
  • Milwaukee Bar Association

  • The Best Lawyers in America®, Tax Law (2003-2024), Corporate Law (2019-2024)
  • Best Lawyers® Tax Law "Lawyer of the Year", Milwaukee (2013)
  • Wisconsin Super Lawyers® (2005-2013)
  • AV Preeminent® Peer Review Rated by Martindale-Hubbell®