One Call Tax is a Tustin, California-based tax services firm founded by John Joseph Sang Tran, an Enrolled Agent (EA) authorized to practice before the IRS. The company's mission is to provide a comprehensive, "one-call" solution for a wide range of tax-related issues. They specialize in tax resolution services, such as dealing with IRS audits, back taxes, and tax liens, as well as offering standard tax preparation, tax planning, and bookkeeping for both individual and business clients.

Founded in

India