The best HR solutions combine software with service. Simplicity with scale. Accuracy with insights. That's exactly what you get with Paychex Flex, the HR solution that provides what you need ? today and tomorrow. Across the journey of every employee, Paychex Flex provides a configurable, modular, end-to-end solution for human capital management. With recruiting, onboarding, HRIS, benefits administration, time and attendance, payroll administration, and retirement you can get what you need on a mobile phone or computer.