Armando Gomez concentrates his practice on a broad range of tax controversy matters, as well as transactional and planning situations.


Mr. Gomez represents clients in federal and state tax controversy matters, including in connection with examinations, administrative appeals and special programs designed to reach expedited results, and in litigation before the United States Tax Court and other federal courts. He has advised clients in summons enforcement matters and in criminal tax investigations, and also has acted as special tax counsel in connection with internal investigations on tax-related matters.

Mr. Gomez represents clients in administrative and policy matters before the U.S. Department of the Treasury and the Internal Revenue Service, including commenting on regulations, tax treaties and other tax policy issues, and in connection with applications for private letter rulings and pre-filing agreements.

He advises clients on legislative matters, including commenting on proposed legislation, developing strategies for new legislative proposals and representing clients before the congressional tax writing committees. He also represents clients in connection with congressional investigations, including in the largest-ever congressional investigation of a single corporate taxpayer.

In recent years, Mr. Gomez’s transactional practice has focused on representing developers and investors in connection with various renewable energy projects. He also advises clients on structuring and financing other partnerships and joint ventures.

Mr. Gomez served as the chair of the American Bar Association’s Section of Taxation from 2014-15 and as co-chair of the National Conference of Lawyers and Certified Public Accountants from 2015-18. He is a regent of the American College of Tax Counsel, a member of the American Bar Association House of Delegates, and a life fellow of the American Bar Foundation. Mr. Gomez frequently lectures on topics relating to tax controversies and tax administration matters. 

Mr. Gomez repeatedly has been selected for inclusion in Chambers USA: America’s Leading Lawyers for Business and The Best Lawyers in America. He repeatedly has been included in Washingtonian’s Top Lawyers list.

Community Activities

Board Member, Project on Government Oversight

Board Member, American Tax Policy Institute

Board Member, Tannenwald Foundation for Excellence in Tax Scholarship



  • LL.M., Georgetown University Law Center, 1997
  • J.D., Georgetown University Law Center, 1994
  • A.B., Duke University, 1991


  • Illinois
  • District of Columbia
  • Virginia
  • U.S. Supreme Court
  • U.S. Court of Appeals for the District of Columbia, Federal, Seventh and Ninth Circuits
  • U.S. District Court for the District of Columbia
  • U.S. Tax Court
  • U.S. Court of Federal Claims

Government Service

  • Internal Revenue Service, Attorney-Advisor (1994-1996)
  • National Commission on Restructuring the Internal Revenue Service, Chief Counsel (1996-1997)