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+ millionemployees’ paychecks calculated each year
- 33+ millionwithholding forms processed in 2023
- 3.32 millisecondsaverage tax engine speed per calculation
To deliver great payroll, you need powerful technology.
Symmetry’s fully integrated suite of payroll tax APIs and software tools allows companies to ensure employee and employer taxes are correctly calculated and managed. With payroll integrations that range from electronic withholding forms to federal, state, and local tax lookup tools, we make our customer’s processes more regulatory compliant, automated, efficient, and error-free.
Payroll Tax Engine
Symmetry Tax Engine is a payroll processing and tax calculator to build or enhance a payroll platform, embed payroll into an existing application, and increase compliance.
Online Withholding Forms
Symmetry Payroll Forms directly integrates and automates the withholding forms process at the federal, state, and local levels with over 125 compliant forms.
Local Tax Finder
Symmetry Payroll Point determines complicated local withholding tax and wage rates within your product by applying latitude and longitude coordinates of a residential address and a work address.
Minimum Wage Finder
Minimum Wage Finder integrates minimum wage rates into your application by using exact location coordinates.
Paycheck Calculators
Calculators by Symmetry offers over 11 embeddable payroll tax modeling calculators for any gross-to-net calculation need.
Tax Notification Service
Tax Notification Service tracks and alerts you of past, current, and future payroll withholding tax rate changes.
Powerful alone. Better together.
Success comes in all sizes. From high growth businesses to established enterprises, you’re in good company.
Read client stories- Nicole Tackett, Payroll Manager
"We rely heavily on Symmetry to make sure we remain in compliance. We have more hurdles to overcome, but having Symmetry behind us instills great confidence in our road ahead and our ability to leverage and be more agile in the future."
- Linda Adams, Senior Director for Payroll Tax Compliance
"I’ve been in this business a long time, and even though Symmetry provides services for companies that are a lot larger than we are, it feels like you’re still dealing with a family, with that kind of culture. I feel they genuinely care and will do everything they can to accommodate you."
- Product Management
"The biggest challenge we faced as an organization was how do we build and maintain a payroll calc engine that supported federal, state, and local calculations at a price point that was both effective and efficient for our business."
- Rob Hankey, CEO
"The staff at Symmetry Software is professional, thorough, and sincere. Good people that want to do the best for their customer."
- Will Boudreaux, Founder and CEO
"Symmetry Software had a very detailed integration guide and a phenomenal technical staff that allowed us to get to market much quicker than if we had tried to tackle this on our own."
- Emmett L. Swan, Sr. Manager - Payroll Compliance
"In the complex environment and perennial changes in taxation, it is a tremendous comfort to know that Symmetry is there as a trusted partner with a free-flowing exchange of ideas."
- Emily Spence, manager of payroll compliance
"We quickly realized no one stacks up next to Symmetry. It didn’t take us long to validate and document that."
- Patricia Oregel, Tax Analyst
"Symmetry has helped our company by having tax information even before an agency would post on websites, that kept us a step ahead."
- Brian Price, Software Engineer
"Implementing Symmetry Software was part of a larger automation for payroll wage, calculation wage, and tax calculations."
- John Kramer, co-founder and CEO
"I think on the points where we were stuck, Symmetry was very helpful in providing us their resources — people who have done this millions of times who could tell us that we’re doing this the right way, or that there’s an easier way of doing this other thing."
- Mary Pat Amrein, Director, Software Development
"We appreciate the partnership with Symmetry and responsiveness of the support, development, and product leadership to our questions, concerns, and needs. I would recommend Symmetry."
- Shelly A. Abril, Payroll Tax Compliance
"I got a ton of assistance from the team researching some issues with Kentucky locals. The team is very responsive, thoughtful, and helpful."
- Lilly Guale, Sr. Payroll Manager
"Symmetry was able to help our organization with accuracy with payroll taxes and provides software you can rely on."
- Tom Loveland, Technical Founder
"We actually trot out Symmetry in our sales calls because it bolsters our credibility a lot. It supports how we can quickly get to work for the company with (tax withholding and) compliance all checked off."
- Jason Ehley, Software Engineer
"It is great to be able to ask questions and hear other questions answered on complex tax scenarios and changes."
- Emmett L. Swan, Sr. Manager - Payroll Compliance
"As a Symmetry customer for over 4 years, we have seen a level of partnership, expertise, and organizational excellence enhanced yearly. Engaging and service excellence put them in a class by themselves."
- Julia Sena, Sr. Product Manager
"Symmetry has allowed us to simplify the hiring experience with the Symmetry Payroll Forms API. We have seen great feedback and results."
- Dana Durr, Manager Payroll
"Symmetry has allowed us to properly implement Flexible Work Arrangement taxation for our employees. This would have been impossible without Symmetry."
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.