Founded in 1971 by B. Thomas Golisano in Rochester, New York, Paychex began as a payroll processing company focused on serving small businesses. Over the decades, the company expanded its capabilities beyond payroll through innovation and strategic growth, becoming a publicly traded company in 1983. Today, Paychex is a leading provider of integrated human capital management (HCM) solutions, supporting businesses of all sizes across the United States and Europe with technology-driven workforce management services.