CBIZ, Inc. is a prominent national provider of professional services, primarily serving middle-market businesses and organizations in the United States and parts of Canada. Founded in 1987 and headquartered in Cleveland, Ohio, CBIZ operates over 120 offices and employs approximately 6,500 to 7,000 professionals.
| Founded | 1996 (30 years) |
| Market standing | Publicly traded (NASDAQ: CBZ) |
| Employees | 9,500 |
| Headquarters | Independence, United States |
| Trusted networks on Proven | 2 investor, bank and government networks offer CBIZ to their members |
Company facts from Apollo.io company data. Network, offer and redemption data from the Proven platform. A Proven Score is published once publicly named clients are verified with sources.
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Source: Proven platform data, public records and vendor websites. Vendors cannot pay to change a score. Methodology. Updated 2026-10-21.