However, ADP Run is not the only payroll software offered by ADP. This comparison will examine Paychex Flex and ADP Run, two small business-focused payroll software offerings. Both provide basic payroll and tax filing services, compliance expertise, 24/7 customer support and an all-in-one platform option that includes advanced HR management tools and services. ADP and Paychex are both well-established brands within the cloud-based payroll and human resources (HR) space.
