Paycom is a fast-growing provider of payroll and human capital management, or HCM, software primarily targeting clients with 50-10,000 employees in the United States. Paycom was established in 1998 and services about 18,000 clients as of 2021, based on parent company grouping. Alongside its core payroll software, Paycom offers various HCM add-on modules, including time and attendance, talent management, and benefits administration.