SAX Acquires Owen J. Flanagan & Co.

On Jan 23, 2026

National accounting, tax, and advisory firm SAX has acquired Owen J. Flanagan & Co. (OJF), strengthening SAX’s capabilities across attest, tax, consulting, and advisory services, while preserving the personalized client service that has defined OJF for nearly five decades.

Founded in 1977, OJF has a strong reputation in auditing and accounting, serving a wide range of clients from tax-exempt organizations—including private foundations and public charities—to for-profit businesses, high-net-worth individuals, estates, and trusts.

“This acquisition reflects our commitment to growth while staying true to our values of respect, integrity, commitment, excellence, and stewardship,” said Joseph Damiano, CEO of SAX. “Owen J. Flanagan & Co. has built an outstanding legacy of trust and excellence over nearly 50 years, and their culture aligns seamlessly with ours. We’re thrilled to welcome their team into the SAX family.”

John Corcoran, partner of OJF, commented, “Since 1977, our mission has been to provide the highest level of service with personal attention and care. Partnering with SAX ensures that our clients will benefit from expanded resources and expertise, while continuing to receive the same trusted guidance from the people who know them best.”

Kevin Sunkel, Partner of OJF, added, “This is an exciting new chapter for our firm, our clients, and our team. By joining with SAX, we are preserving the close-knit relationships and continuity our clients value, while enhancing our ability to serve their evolving needs well into the future.”

Joe Tarasco of Accountants Advisory Group advised both parties on the transaction.

This marks SAX’s second acquisition of the year, bringing the firm to 73 partners, 432 total employees, and over $4.6 billion in AUM, with a presence across five offices in New Jersey, New York, and Mumbai, India, as well as a remote workforce spanning 27 U.S. states. It also represents the 4TH transaction since SAX’s recent minority investment from Cobepa, an independent investment company. The Cobepa partnership continues to fuel SAX’s strategic growth trajectory—accelerating East Coast expansion, enhancing service capabilities, and fostering innovation—while the firm remains proudly independent.

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