CBIZ, Inc. is a national provider of financial, insurance and advisory services headquartered in Cleveland, Ohio. CBIZ is one of the largest accounting, insurance brokerage, financial and advisory services providers in the United States with more than 120 offices and nearly 7,000 employees. Its common stock has been traded on the New York Stock Exchange since 1996, under the symbol "CBZ" since 1997. Following its 2024 acquisition of Marcum LLP, CBIZ became the seventh-largest accounting firm in the United States. Wikipedia