A division of alliantgroup, alliantNational assists CPAs and U.S. businesses alike in navigating difficult tax matters, offering both representation and support while working with IRS and state tax officials. Comprised of a world class team of seasoned former IRS executives, congressional staffers, technical experts and experienced litigators, alliantNational provides support in a number of specialized areas, including audit and credit defense, controversy services, domestic and international tax planning and tax exempt services. The alliantNational advantage includes extensively trained attorneys with hands-on litigation experience and a vast knowledge of the Internal Revenue Code. By taking proactive steps and having a keen understanding of the complexities of Treasury regulations, our team is ready to assist, support, and fight for your claims as needed.