Get the Right Taxes, the First Time®

Identify complex tax scenarios, manage W‑4 Forms, track minimum wage rates, or build a payroll platform, with our payroll APIs and tax withholding software.

Powerful alone. Better together.

Talk data to me.

  • 64 million
    employees’ paychecks calculated each year

  • 19 million
    withholding forms processed in 2020 alone

  • 3.32 milliseconds
    average tax engine speed per calculation

Success comes in all sizes. From high growth businesses to established enterprises, you’re in good company.
Read customer stories
  • “The staff at Symmetry Software is professional, thorough, and sincere. Good people that want to do the best for their customer.”
  • The product is very easy to use. The quality is unparalleled and has very little maintenance to maintain.”
  • “Symmetry Software makes it easy and provides a great peace of mind.”

Speak to an expert to see how embedding the correct payroll APIs and tax withholding software can significantly impact your business.