Headquartered in Independence, Ohio, CBIZ, Inc. operates through three primary business segments: Financial Services, Benefits and Insurance Services, and National Practices. The Financial Services segment provides accounting, tax, financial advisory, valuation, and risk advisory services. The Benefits and Insurance Services segment offers group health benefits consulting, property and casualty brokerage, retirement plan services, and payroll solutions. The National Practices segment focuses on managed networking, hardware, and healthcare consulting. Through its alternative practice structure, the company seamlessly delivers integrated non-attest and attest services to its clients. Following its 2024 acquisition of Marcum LLP's non-attest business, CBIZ significantly expanded its geographic footprint and scale, becoming one of the largest accounting and professional services firms in the United States.