CBIZ, Inc. was a provider of accounting, tax, advisory, insurance brokerage and employee benefits services for businesses, individuals and public-sector organizations. Its offerings included audit and assurance, tax planning and compliance, financial and strategic consulting, risk management, commercial insurance, retirement plan services and employee benefit solutions.
Founded in 1996 and headquartered in Cleveland, Ohio, CBIZ grew through a combination of organic expansion and acquisitions. The company served clients through offices across the United States, with services designed for closely held businesses, public companies, nonprofit organizations, government entities and high-net-worth individuals.
CBIZ operated through specialized practices, including its accounting and advisory operations and insurance and benefits businesses. In 2025, Marsh McLennan completed its acquisition of CBIZ, bringing the company’s operations into the broader Marsh McLennan organization.
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