Watch Us Grow

January 1, 2026 (New York City, NY) – Hertz Herson CPA LLP proudly announces that it has merged into its operations Coopersmith, Simon & Vogel (CSV) of Uniondale, New York, effective January 1, 2026.

Founded in 2005, Coopersmith, Simon & Vogel is a respected accounting and advisory firm serving businesses, individuals, and nonprofit organizations throughout Long Island and the Greater New York area. The firm is recognized for its long-standing client relationships, technical expertise, and dedication to personalized service—qualities that align seamlessly with Hertz Herson’s culture and values.

James S. Pellen, Managing Partner of Hertz Herson, said, “The addition of Coopersmith, Simon & Vogel represents a key milestone for Hertz Herson as we continue to grow strategically and expand our regional presence. This combination enhances our ability to deliver broader services and resources while maintaining the high-touch service and personal attention that defines our firm.”

Michael E. Simon, Managing Partner of Coopersmith, Simon & Vogel, added, “Joining Hertz Herson strengthens the range of services and capabilities available to clients while preserving the close relationships and trust we’ve built over the years. We are excited to be part of a firm that shares our values and commitment to excellence and client success.”

The team will operate under the Hertz Herson name and will relocate to an office in Garden City, Long Island. Hertz Herson will continue to serve clients from its offices in New York City and White Plains, New York.

As an independent member of the BDO Alliance USA, Hertz Herson has access to the extensive resources of BDO USA, P.C. and the BDO global network, enabling the firm to deliver comprehensive solutions to clients locally, nationally, and internationally.

Robert Fligel, Founder and President of RF Resources LLC, served as the advisor on the transaction.

About Hertz Herson CPA LLP
Founded in 1931 in New York City, Hertz Herson CPA LLP is a leading full-service accounting and consulting firm dedicated to helping clients succeed in today’s complex marketplace. The firm’s foundation is built on innovation, trusted relationships, and long-term client success.