Holtz, Slavett & Drabkin is a tax controversy law firm consisting exclusively of former IRS attorneys with extensive in-court trial experience. We handle all aspects of tax controversies including audit representation, administrative appeals, collection defense, tax litigation, and criminal tax defense. In total, the former IRS tax attorneys at Holtz, Slavett & Drabkin have over 100 years of experience as tax controversy attorneys and have handled over 1,000 U.S. Tax Court and U.S. district court cases. Our significant experience both inside and outside the government gives us a comprehensive understanding of the internal workings of governmental tax agencies. Holtz, Slavett & Drabkin attorneys have the highest level of educational and professional tax backgrounds, including Tax LL.M.s from leading law schools, experience with big four accounting firms, and expertise as tax professors.