Zaher Fallahi is publicly presented as the founder and principal of Zaher Fallahi, An Accountancy Corporation, an accounting practice serving Los Angeles and Orange County, with office locations described in Costa Mesa and Downtown Los Angeles. The source materials identify him as both a CPA and attorney, with CPA services noted since 1983 and service in Orange County and Los Angeles since 1992.

The practice focuses on tax preparation and planning for individuals and businesses, with additional references to payroll, bookkeeping, accounting services, real estate tax planning, cryptocurrency tax preparation, and tax audit representation. The site also lists FATCA, FBAR, IRS voluntary disclosure, and OFAC-related topics, and indicates Spanish-language support.