Aprio expands in Philadelphia

Aprio acquired Isdaner & Company, an accounting and advisory firm in Bala Cynwyd, Pennsylvania, effective June 1.

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Isdaner & Company, founded in 1967, services closely held businesses, high-net-worth individuals and diversified organizations across the Delaware Valley. It has 10 partners and over 70 employees. The deal expands the Top 20 Firm's presence in the Philadelphia market and strengthens Aprio's offerings for clients across the Northeast.

"Joining Aprio is about what becomes possible for our clients and team in the future," Scott Isdaner, managing partner of Isdaner & Company, said in a statement. "Aprio expands what we can bring to every client. Whether they are growing, planning a transition or thinking about the next generation, they now have access to a platform built for what they need."

Aprio, based in Atlanta, ranked No. 20 on Accounting Today's 2026 Top 100 Firms list. It reported $616 million in revenue, with 294 partners and over 3,100 staff across 37 offices.

Aprio CEO and managing partner Richard Kopelman
Aprio CEO and managing partner Richard Kopelman
Scott Areman

"Isdaner & Company has spent nearly six decades earning the kind of trust that defines what great client relationships look like," Aprio CEO Richard Kopelman said in a statement Tuesday. "Client needs are growing more complex, and they deserve advisors who evolve with them. We are building something different in Philadelphia, a firm where every client has trusted advisors who anticipate the challenges ahead, and who show up as true growth partners through every stage of the journey."

In 2024, Aprio received a private equity investment from Charlesbank Capital Partners. The following year, it launched Aprio Legal — part of a growing trend of accounting firms taking advantage of an Arizona law to create "alternative business structure" law firms.

Aprio has completed over 20 deals since 2017. In May, it acquired Price Kong, expanding its Arizona presence and marking its entry into the cannabis industry; and in January, it added two Oregon firms, Delap and Hoffman, Stewart & Schmidt. In 2025, it added Mize CPAs and Prism Financial Group, RSM US's Professional Services+ practice, JMS Advisory Group in Atlanta, and AI accounting assistant platform TimeCredit. In previous years, it acquired Ridout Barrett & Co. CPAs & Advisors, Antares Group, Culotta, Scroggins, Hendricks & Gillespie, Aronson, Salver & Cook, Gomerdinger & Associates, Tobin & Collins, Squire + Lemkin, LBA Haynes Strand, Leaf Saltzman, RINA and Tarlow and Co.


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