Based in Tucson, Ariz., Donald Hartman PC is a certified public accounting firm. It offers a host of financial services, such as income tax preparation for all types of businesses and individuals, IRS/state audit representation, payroll reporting, QuickBooks setup, support and training as well as business startup services. In addition, the firm provides monthly bookkeeping service, tax planning and financial statements. Donald Hartman PC s financial tools include automobile loans, business calculator, debit/credit cards, insurance, investment calculator, mortgages and tax calculator.