Citrin Cooperman acquires ORBA

Citrin Cooperman Acquires Ostrow Reisin Berk & Abrams in Illinois

The top 20 firm is expanding its presence in the Midwest by acquiring ORBA, a Chicago-based accounting and advisory firm with offices in downtown Chicago, Oak Brook, IL, and Salt Lake City.

Citrin Cooperman Expands Midwest with Acquisition of ORBA

New York-based IPA 100 firm Citrin Cooperman (FY24 net revenue of $871 million) has entered into an agreement to acquire substantially all the assets of Chicago-based IPA 200 firm ORBA (FY24 net revenue of $48.97 million). The transaction, expected to close in October 2025, expands Citrin Cooperman’s footprint in the Midwest and adds offices in downtown Chicago, Oak Brook, Ill., and Salt Lake City, Utah.  The addition of ORBA represents a signif…

Citrin Cooperman acquires ORBA

Citrin Cooperman, a Top 25 Firm based in New York, is acquiring Ostrow Reisin Berk & Abrams, Ltd., a Regional Leader based in Chicago, the latest M&A deal since Citrin received private equity funding.