Paychex, Inc. is a provider of human capital management solutions for human resources (HR), payroll, benefits and insurance services for small-to-medium-sized businesses and their employees across the United States and parts of Europe. The Company offers a portfolio of HCM technology and HR advisory solutions that help its clients navigate the challenges of HR. Its clients have the option of doing payroll online using its software as a service (SaaS) technology, outsourcing to its payroll specialists, or using a combination of those solutions. Payroll is integrated with HCM software modules for clients who have more complex HR needs. It also provides comprehensive HR outsourcing through its administrative services organization and PEO solutions. The Company's HCM SaaS platform is Paychex Flex, which provides workforce management throughout the employee life cycle from recruiting and hiring to retirement, including recruiting, onboarding, HR, time and attendance and employee benefits.