Maria P. Siourounis

Maria P. SiourounisAudit Senior

P 312.670.7444 | F 312.670.8301

Services

Maria Siourounis is a member of ORBA’s Audit Group. She began her career at ORBA as a tax season intern, where she analyzed financial data for personal and business income tax preparation. She is well versed in various aspects of financial reporting and accounting and has experience in conducting tax research and performing various audit procedures. She works with clients from a variety of industries, including real estate and health care as well as high-net-worth individuals. Maria is currently pursuing a Master’s in Taxation at DePaul University.

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Firm News

03.11.25

ORBA Named to Accounting Today’s 2025 “Beyond the Top 100: Firms to Watch”; Firm also Recognized as a Great Lakes Region Leader
CHICAGO –  ORBA, one of Chicago’s premier public accounting firms, has been recognized once again by Accounting Today in their “Beyond the Top 100: Firms to Watch”, securing the 132nd spot. Additionally, ORBA is ranked among the top 25 firms in the Great Lakes Region, marking its 15th consecutive year on the “Top Firms: The Great Lakes” list.

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seminars & events

Guides

ORBA will gladly provide you with hard copies of the useful guides listed below. Select which guides you would like to receive and submit the form below.

  • Tax Pocket Guide
  • Tax Planning Guide
  • Records Retention Schedule
  • Auto, Travel & Business Log

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