ADP is probably best for businesses needing a highly customized payroll service experience, since it emphasizes customer service from dedicated reps and provides a lot of options. This service ...

1 in the United States. In our review of the Best Payroll Software for 2021, we gave it a 5. RUN, ADP's small-business arm, offers plans that are suitable for companies with fewer than 50 employees.

RUN Powered by ADP® is ranked as one of the best payroll software solutions for small businesses, and nearly 800,000 small businesses use ADP payroll software. But this software isn't just for ...