Federal Tax Controversies

The Andersen Tax federal tax controversy practice assists clients with controversy related matters from audits to appeals and resolution in the Tax Court. Our professionals have years of experience dealing with a wide range of issues and a variety of client matters. Complex regulations coupled with increased enforcement by IRS present a substantial need for clients to have a trusted and experienced tax controversy resource. Working closely with Andersen Tax subject-matter specialists, our tax controversies professionals can assist you with:


  • Representation of your business before IRS including coordination of meetings and discussions with examiners from early stages through conclusion
  • Formulation of responses to IRS Information Document Requests (IDRs)
  • Analysis and technical research supporting tax positions


  • Preparation of tax protests and representation at the IRS Appeals Office
  • Rendering expert testimony, analyses and other litigation support in tax controversy cases