Exhibit 99.1 FOR IMMEDIATE RELEASE CBIZ REPORTS FIRST-QUARTER 2025 RESULTS FIRST-QUARTER HIGHLIGHTS: CLEVELAND (April 24, 2025) – CBIZ, Inc., (NYSE: CBZ) ("CBIZ" or the "Company"), a leading national professional services advisor, today announced results for the first quarter ended March 31, 2025. "CBIZ delivered positive first-quarter results. As we have demonstrated throughout our history, our operating model enables us to deliver strong earnings and cash flow in varying business climates and our first-qu ...