McNally Peterson, S.C.
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Wisconsin's Full-Service Law Firm.

Whether you're a leading Wisconsin business or a person in need of business, real estate, estate planning, probate, guardianship, litigation or tax advice, or have been injured due to negligence and need sound legal advice, turn to the respected and distinguished team at McNally Peterson, S.C. Our attorneys are consistently ranked among the best in both state and national peer review lists.


Attorney Mark Peterson named Wisconsin "Super Lawyer"


McNally Peterson, S.C. named "Best Law Firm" by U.S. News & World Report


Tom Strandberg to Assume the Role of President for the Waukesha County Estate Planning Council for the 2017-2018 Membership Year


Robert (Rock) Theine Pledl Presents at Annual Conference of American Association on Intellectual and Developmental Disabilities-Wisconsin


Robert (Rock) Theine Pledl Joins McNally Peterson, S.C.

  •  Thomas A. Strandberg

    Thomas A. Strandberg

    Tom is both an attorney and a certified public accountant who represents clients in the area of personal and business taxation, as well as estate planning, business succession planning and probate.

  •  James S. Swiderski

    James S. Swiderski

    Jim leads and directs McNally Peterson's business practice area, handling formation of businesses, acquisitions and mergers, and business sales.

  •  Mark A. Peterson

    Mark A. Peterson

    Mark is a shareholder with the law firm and has been engaged in private practice, with an emphasis in civil litigation, since 1975.

  •  Robert (Rock) Theine Pledl

    Robert (Rock) Theine Pledl

    ​Rock is a Senior Attorney with the law firm and has been involved in private practice representing people in disability, civil rights, mental health and criminal law matters.

  •  Daniel A. Peterson

    Daniel A. Peterson

    Daniel has worked on a wide range of plaintiff-side civil litigation matters including real property title issues and insurance claims, personal injuries and wrongful deaths, creditor collections, breaches of contract, embezzlement, and breaches of fiduciary duty.