ZBS Group LLP Acquires Fourth CPA Firm in Succession Deal
Michael Zaidman's ZBS Group LLP adds Joseph Rabinowitz's tax and accounting practice, marking the firm's fourth succession partnership.
ZBS Group LLP, the Plainview, New York-based accounting firm led by Michael Zaidman, CPA, has been selected by Joseph Rabinowitz, CPA as the succession partner for his tax and accounting practice, according to an announcement released November 3, 2026. The transaction marks the fourth CPA practice transition completed by ZBS Group LLP, further establishing the firm as a recurring destination for accounting professionals seeking to wind down or transfer their client relationships.
Succession planning has become an increasingly pressing concern across the accounting profession as a generation of sole practitioners and small-firm owners approaches retirement age. By repeatedly absorbing outgoing practices, ZBS Group positions itself to offer continuity to clients who might otherwise face disruption when a longtime accountant steps away.
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Michael Zaidman serves the firm in a dual capacity as both a certified public accountant and a financial advisor, a combination that may appeal to retiring practitioners whose clients carry both tax and broader financial planning needs. The Plainview, N.Y. location anchors the firm's regional footprint on Long Island.
The selection of ZBS Group by Rabinowitz reflects a broader industry pattern in which smaller CPA practices seek established regional firms capable of absorbing staff, client files, and ongoing service obligations with minimal disruption. Each successive acquisition reinforces the firm's operational infrastructure for handling such transitions. Details of the financial terms were not disclosed in the announcement.
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