RUN Powered by ADP vs. Paychex

Over 900,000 small businesses trust RUN Powered by ADP® payroll and HR to take care of their people, and get it done fast. With RUN, you can process payroll from anywhere in minutes. AI-enabled error flagging helps you avoid common payroll mistakes, and RUN automatically deducts federal, state and local payroll taxes. In addition, user-friendly HR tools simplify hiring, tracking time, and managing your people. The best part is you’re never alone, real-person support from payroll and HR professionals is just a call (or click) away.

Paychex Flex® is an all-in-one HR platform built to help businesses hire, pay, manage, and retain employees all from a single interface. Designed to grow alongside your organization, Paychex Flex combines intelligent technology with flexible support to simplify the full scope of human resource management. At the core of the platform is a connected suite of payroll, HR, benefits, and workforce management tools. Paychex Flex automates routine administrative tasks from payroll processing and tax management to benefits enrollment and scheduling.