Investment Audit Systems, LLC   
 
Quickly and Confidently:
• Perform Complex Calculations
• Dividend Reinvestments back to the 1970s
• Multiple Buys and Sells (tax lots)
• Wash sales

COST BASIS
Calculators:
Research:
Used by more professionals than
any other calculator.

Provides all Capital Changes,
Tax Status, Tax Opinion
  • Take the tedious work out of Schedule D and Schedule B Tax Preparation
  • Do in seconds what would otherwise take hours or even days
         Live chat
    The IAS Difference
  • First to offer a cost basis calculator (2002)
  • Used by more securities professionals than any other calculator
  • Hundreds of Thousands of accurate calculations performed and used for tax filings
  • Research in addition to calculations – at a lower cost
  • Exclusive access to the most accurate and complete securities database available (back to 1890)
  • Relied on daily by thousands of professionals
  • We are an Authorized Data Partner of Interactive Data, Inc.

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