Zareh Nazarian is listed with I.S Accounting, a full-service accounting and tax firm serving clients in Encino, CA. The firm works with individuals and small businesses with 20 or fewer employees, offering support for accounting, income tax needs, and bookkeeping.

I.S Accounting describes its work as helping solve and prevent bookkeeping problems, including bookkeeping clean-up when records have not been properly maintained. The firm also helps businesses create accounting systems tailored to their needs and provides proposals with multiple fixed-fee service options. Its listed bookkeeping support includes transaction tracking, financial reports, vendor bills, customer invoices, receivables, bank and credit card reconciliations, and ledger maintenance.