The payroll tax infrastructure for software & payroll platforms.

Payroll tax APIs and software tools that solve complex tax compliance issues and build applications across the entirety of the payroll process.

Powering Every Paycheck.

  • 64+ million
    employees’ paychecks calculated each year

  • 33+ million
    withholding forms processed in 2023

  • 3.32 milliseconds
    average tax engine speed per calculation

Powerful alone. Better together.

Success comes in all sizes. From high growth businesses to established enterprises, you’re in good company.

Read client stories

Speak to an expert to see how embedding the correct payroll technology to solve tax compliance issues across the payroll process can significantly impact your business.