Top 20 accounting firm Withum has added Farber Hass Hurley (FFH CPAs), a public accounting and tax firm headquartered in Chatsworth, CA, effective today.
Financial terms of the deal weren’t disclosed. FHH CPAs’ three partners and approximately 30 team members will join Withum’s Los Angeles office.
This is Princeton, NJ-based Withum’s first M&A deal in 2026. It’s last one was a big one, joining forces with then-top 100 accounting firm Freed Maxick in August 2025.
Withum also struck deals with PKF Texas and CTM CPAs & Business Advisors last year.
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Founded in 1990, FHH CPAs provides audit, accounting, and tax services to private and publicly held companies. The firm has California locations in Chatsworth, Simi Valley, and Valencia, and an office in Boise, ID, according to its website.
In addition to expanding Withum’s assurance and consulting practices, enhanced industry and service strengths resulting from the FHH CPAs union include: industrial and consumer products, not-for-profit, private equity, media and entertainment, life sciences, construction, technology, and employee benefit plan services, officials say.

“Farber Hass Hurley’s joining Withum is an important step in our continued growth on the West Coast and in the strategically important LA market,” Pat Walsh, managing partner and CEO at Withum, said in a statement. “Their strong assurance practice, client-focused approach, and talented team bring meaningful depth to our firm. I’m especially excited to welcome two dynamic next-generation partners who will help shape our continued growth and vision for years to come. We look forward to building on this momentum together.”
Michel Abedian, partner-in-charge at FHH CPAs, said the two firms share a commitment to professional integrity, people-first culture, and innovative problem-solving.
“Together, we will bring clients broader capabilities, deeper expertise, and expanded resources while continuing to deliver the exceptional, relationship-driven experience they expect,” he said in a statement.
Photo credit: Withum
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