Symmetry Tax Engine vs. Oyster

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.

Hire in 180+ countries with compliant onboarding in as little as 48 hours. Get dedicated HR experts, predictable (and transparent) pricing, and support for complex employee situations—without juggling multiple vendors. Oyster is an Employer of Record that helps you employ and care for talent in 180+ countries—without opening legal entities or stitching together local vendors. From one intuitive platform, you can generate compliant contracts, run payroll, and offer competitive, country-specific benefits to employees and contractors around the world. But software is only half the story.