Symmetry Tax Engine vs TaxRails
Symmetry Tax Engine
symmetry.comTaxRails
taxrails.comSide by side
| Figure | Symmetry Tax Engine | TaxRails |
|---|---|---|
| Price from | — | — |
| Free plan | — | — |
| Free trial | Yes | — |
| Open source | — | — |
| Web | Yes | Yes |
| Windows | Yes | — |
| macOS | Yes | — |
| Linux | Yes | — |
| API | Yes | Yes |
| Self-hosted | Yes | — |
| Plans published | 1 | 0 |
| Spec score · Payroll Tax Software | 8.0 (#12) | 6.9 (#27) |
| Headquarters | Scottsdale, Arizona, United States | Chicago, Illinois, United States |
| Integrations | The Web API supports secure HTTPS with JSON and XML, while the SDK offers interfaces including C/C++, Java, .NET, .NET Core, and Delphi. | The integrations page lists live API integrations for PrismHR, Workforce.com, and Workday, with Oracle PeopleSoft described as coming soon and in active development. |
| Intended users | Symmetry lists software developers, payroll or HR service providers, large employers, payroll managers, entrepreneurs, and payment companies as potential users. | The company describes TaxRails as infrastructure for payroll platforms and enterprise finance teams responsible for U.S. payroll tax compliance. |
| Purpose | Symmetry Tax Engine is a gross-to-net payroll tax calculation engine for building, embedding, and scaling payroll platforms. | TaxRails collects payroll data and automates payroll tax filings, deposits, and reporting. |
| Support | Symmetry says support includes help with tax accuracy, jurisdiction questions, API and SDK integrations, onboarding, and filing guidance. | The integrations page says API customers can receive documentation, sandbox credentials, and a shared channel with the engineering team. |
| Tax coverage | It covers federal, state, local, and employer taxes across all 50 U.S. states, U.S. territories including Puerto Rico, and Canada. | The site describes coverage for federal returns and deposits, all 50 states, and local jurisdictions. |
Plans
In their own words
Symmetry Tax Engine
Symmetry Tax Engine calculates gross-to-net payroll taxes for software platforms, payroll providers, employers, and payment companies. It covers federal, state, local, and employer taxes across all 50 U.S. states, U.S. territories including Puerto Rico, and Canada, with calculations for more than 7,000 jurisdictions. Listed tax types include federal withholding, FICA, paid family and medical leave, unemployment and disability taxes, benefits and pre-tax benefit rules, and local taxes such as city, county, school district, and municipality taxes. Deployment is available as a hosted Web API or an on-premise SDK installed in a customer’s environment. The API supports JSON and XML; the SDK supports Windows, Linux, and macOS, with interfaces including C/C++, Java, .NET, .NET Core, and Delphi. The paid product has no free plan, offers a trial by contacting Symmetry, and has pricing on request. Symmetry is headquartered in Scottsdale, Arizona, and was founded in 1984.