Our Tax Controversy Practice

Martin, Brown & Sullivan, Ltd. provides corporations, partnerships, estates and individuals with tax controversy representation by trial lawyers, experienced not only in tax courtrooms, but also before the Examination, Appeals Office, Criminal Investigation and Collection functions of the IRS and state tax authorities. Additionally, the firm’s lawyers have participated in a number of landmark federal and state tax decisions at the appellate level, including the United States Supreme Court.

Our tax practitioners possess proven capabilities to represent individuals, corporations, partnerships and estates in sophisticated civil and criminal tax litigation; and they also provide guidance during audits or investigations to avoid or minimize issues which become the focus of agency scrutiny. Our trial lawyers, who include former IRS and Department of Justice tax trial lawyers, are particularly skilled in handling high profile matters for well-known companies and individuals before the United States Tax Court, the United States District Courts and the United States Court of Federal Claims, as well as specialized tribunals at the state level.

Members of the firm regularly lecture to legal and accounting professionals on tax controversy issues, serve as adjunct faculty members in advanced formal tax education and participate prominently in the federal tax committees of the American Bar Association and the Chicago Bar Association. For individuals, corporations, partnerships and estates confronting tax controversies with the Internal Revenue Service, Martin, Brown & Sullivan, Ltd. provides a team of highly skilled practitioners whose trial experience is unmatched in any firm, big or small.

White-Collar Defense

Tax Controversy

Business Dispute




Tax Controversy Experience

Service to the Profession