Hartigan RTI Pro vs Symmetry Tax Engine
Hartigan RTI Pro
hartigansoftware.co.ukSymmetry Tax Engine
symmetry.comSide by side
| Figure | Hartigan RTI Pro | Symmetry Tax Engine |
|---|---|---|
| Price from | £19.17/mo | — |
| Free plan | — | — |
| Free trial | — | Yes |
| Open source | — | — |
| Web | — | Yes |
| Windows | Yes | Yes |
| macOS | — | Yes |
| Linux | — | Yes |
| API | — | Yes |
| Self-hosted | — | Yes |
| Plans published | 10 | 1 |
| Spec score · Payroll Tax Software | 7.5 (#20) | 8.0 (#12) |
| Founded | 1987 | 1984 |
| Headquarters | Chelmsford, Essex, United Kingdom | Scottsdale, Arizona, United States |
| Purpose | RTI Pro collects payroll data from files, processes and validates it, then submits it to HMRC. | Symmetry Tax Engine is a gross-to-net payroll tax calculation engine for building, embedding, and scaling payroll platforms. |
| Support | Hartigan offers standard product support packages or support tailored to a client’s individual requirements. | Symmetry says support includes help with tax accuracy, jurisdiction questions, API and SDK integrations, onboarding, and filing guidance. |
Plans
Hartigan RTI Pro
- RTI Pro — 1–10 employees£230 a year
- RTI Pro — 11–20 employees£360 a year
- RTI Pro — 21–50 employees£600 a year
- RTI Pro — 51–100 employees£730 a year
- RTI Pro — 101–300 employees£860 a year
- RTI Pro — 301–500 employees£960 a year
- RTI Pro — 501–800 employees£1,090 a year
- RTI Pro — 801–1000 employees£1,210 a year
- RTI Pro — 1001–1500 employees£1,520 a year
- RTI Pro — 1501–2000 employees£1,820 a year
In their own words
Hartigan RTI Pro
Hartigan RTI Pro has no write-up on Specifiction yet; its figures are above.
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.