Paychex (NASDAQ: PAYX) is a provider of payroll, human resource and benefits outsourcing solutions for small to medium-sized businesses in United States and Canada. Paychex offers a portfolio of services and products that allow its clients to meet their diverse payroll and human resource needs. These include payroll processing, payroll tax administration services, employee payment services, regulatory compliance services (new-hire reporting and garnishment processing), human resource outsourcing services, retirement services administration, health and benefits services, workers’ compensation insurance services, time and attendance solutions and other human resource services and products. Paychex processes the payrolls of more than 670,000 clients, making it the second-largest payroll accounting firm in the US after Automatic Data Processing. In 2019, Paychex ranked in position 700 on the Fortune 500 list of largest corporations by revenue.