CompuPay has been proving payroll services for more than 25 years. Founded in 1980, CompuPay is one of the leading companies that provide payroll services in the United States. The company specializes in payroll, tax filing and human resource-related services. It offers payroll and employer-related services such as workers' compensation insurance, employee benefits and retirement plans. CompuPay works with more than 200 partners that include CPAs, bankers and business executives. It provides services to accountants and accounting firms, financial institutions, business associations, human resource consultants and software. With one of its locations in Phoenix, CompuPay processes payrolls and files payroll taxes in all 50 U.S states.