Hollenbeck Accounting Services (HAS) has been in the accounting industry since 1991. HAS is an IRS Electronic Return Originator (ERO) and is Quickbooks Pro Advisor Certified. With over three decades of experience under our belt, Hollenbeck Accounting Services LLC is an accounting firm focused on offering client-centric individual and business tax preparation and filing, Bookkeeping, Budgeting, Consulting, Accounting, and corporate payroll services.