RUN Powered by ADP vs. Symmetry Tax Engine

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.

The leading gross-to-net calculation software for payroll. The Symmetry Tax Engine® (STE) is a powerful gross-to-net calculation engine to build or enhance a payroll platform, embed payroll into an existing application, and increase compliance and accuracy. The Symmetry Tax Engine® accounts for federal, state, and local payroll taxes — both withholding and latent employer taxes — for over 7,400 taxing jurisdictions and U.S. territories. Employer taxes and multi-state processing are accounted for as well. STE covers all 50 states, U.S. territories including Puerto Rico, and Canada.