With an international reputation as an effective advocate in export controls, trade sanctions, anti-corruption, related compliance, and white collar defense, Mr. Mackintosh defends domestic and foreign corporations, directors, and other personnel facing investigation under U.S. export controls and other trade sanctions, as well as federal laws affecting securities, environmental controls, health care, money laundering, and Customs. These trade sanctions laws include the Arms Export Control Act, the Foreign Corrupt Practices Act, and the International Emergency Economic Powers Act, as well as their implementing regulations.

Chambers Global has ranked Mr. Mackintosh among leading global practitioners for International Trade: Export Controls and Economic Sanctions (Band 2). On a national level, Chambers USA has similarly ranked Mr. Mackintosh in this field. Reflecting his national reputation as a problem solver in corporate compliance matters, in the 2016 edition of The Best Lawyers in America©, his peers selected Mr. Mackintosh as one of the best lawyers in America in the area of Corporate Compliance Law. As is Chambers, Best Lawyers is based on an exhaustive peer-review survey. He also has earned an AV Preeminent rating from Martindale-Hubbard, the highest possible peer ranking.