ORBA is a great alternative to the “Big Four Firms.” A dynamic CPA firm located in downtown Chicago, ORBA has 26 directors and more than 145 employees. The firm provides services in the areas of tax, audit, accounting and advisory services to businesses and individuals in a wide range of personal, commercial and institutional settings. ORBA has much to offer in terms of growth, individual advancement and diversity of clientele and services, all complimented by a friendly and relaxed working environment.

Candidates that attend schools where we actively recruit (see calendar section) should apply online via their career services center website. If ORBA does not currently recruit at your school, please send your resume to

Internships: Internships run from early January to mid-April and 10-12 positions will be available.

Full-time positions: Full-time entry-level positions will be available with possible start dates of either January or July of each calendar year.

Ostrow Reisin Berk & Abrams, Ltd. is an Equal Opportunity Employer and does not discriminate on the basis of race, religion, color, national origin, age, sex, gender, disability or any other characteristic protected by law.

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Firms News


ORBA Director Named Five Star Professional for Sixth Consecutive Year
Ostrow Reisin Berk & Abrams, Ltd. (ORBA), one of Chicago’s largest public accounting firms, is proud to announce that Steven H. Lewis, a Director at the firm, has been named a 2019 Five Star Investment Professional by Five Star Professional. Steven has been named a Five Star Professional every year since 2014.

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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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Forward Thinking
Forward Thinking