Eide Bailly merges in Hamilton Tharp

Eide Bailly's office in Tulsa, Oklahoma

Eide Bailly, a Top 25 Firm based in Fargo, North Dakota, is expanding its presence in Southern California by adding Hamilton Tharp LLP, a firm headquartered in Solana Beach, its third M&A deal in a week.

Hamilton Tharp dates back over 45 years and provides services such as tax planning, trust and estate consulting, family office solutions and accounting to clients in the biotech, real estate and health care industries.

"Bringing Hamilton Tharp into Eide Bailly is an exciting step forward in our continued growth," said Eide Bailly managing partner and CEO Jeremy Hauk in a statement Monday. "Their strong client relationships, deep technical expertise, and commitment to personalized service align seamlessly with our values. We're proud to join forces with a team that shares our passion for helping clients thrive."

Financial terms of the deal were not disclosed. Eide Bailly ranked No. 19 on Accounting Today's 2025 list of the Top 100 Firms, with $704.98 million in annual revenue, approximately 387 partners and over 3,500 employees. The Hamilton Tharp team includes four partners and 14 staff members. 

"While this is a relatively small acquisition in terms of size, the real significance lies in the strategic value it brings to Eide Bailly," said a spokesperson. "This move strengthens our presence in California — particularly in the Solana Beach area — and reflects our continued commitment to serving clients throughout the state with a local, personalized approach backed by the resources of a top 25 CPA and advisory firm."

Hamilton Tharp managing partner Tina Tharp wanted to expand her firm's services for clients and create provide more growth opportunities for staff while staying true to their culture. "We were intentional about finding the right fit," Tharp said in a statement. "Eide Bailly brings the scale and expertise we were looking for, but just as importantly, they share our values and people-first approach." 

Last week, Eide Bailly announced two other M&A deals: with Roycon, a Salesforce consulting  firm based in Austin, Texas, and Volpe Brown & Co., a firm headquartered in North Canton, Ohio. Eide Bailly expanded to Ohio last year by merging in Apple Growth Partners. Last year, Eide Bailly also sold its wealth management practice to Sequoia Financial Group. In 2023, Eide Bailly added Secore & Niedzialek PC in Phoenix, Raimondo Pettit Group in Southern California, Bessolo Haworth in California and Washington State, Spectrum Health Partners in Franklin, Tennessee, and King & Oliason in Seattle. In 2022, it merged in Seim Johnson in Omaha, Nebraska, and in 2021, PWB CPAs & Advisors in Minnesota. In 2020, it added Mukai, Greenlee & Co. in Phoenix, HMWC CPAs in Tustin, California, and Platinum Consulting in Fullerton.

For reprint and licensing requests for this article, click here.
Practice management M&A Integrations
MORE FROM ACCOUNTING TODAY