Payroll tax compliance guides and resources

An in-depth look at some of payroll’s most challenging topics
GuideAutomating Form I-9 Verification: A Guide for HR Tech, Payroll, and Onboarding ProvidersSurvey of 300 HR professionals reveals I-9 pain points—and why HR Tech payroll, and onboarding platforms must deliver automation now.
GuideBuild, Buy, or Blend? Finding the Right Payroll Tax Infrastructure for GrowthCompare build, buy, or blend payroll tax APIs. See how Symmetry speeds compliant, scalable payroll launches.
GuideSolving Tax Compliance Challenges For Payroll ProductsSymmetry helps people tech platforms tackle the competitive payroll market by ensuring compliance and providing accurate and efficient tax calculations.
GuideChoosing the Right Tax Compliance API for your Payroll ProductLearn about the key selection criteria to embed payroll tax compliance and gross-to-net calculations into your product or technology platform.
GuideThe Buyer’s Guide to Payroll Tax EnginesLearn how to design payroll software that meets complex payroll tax compliance requirements across federal, state, and local jurisdictions. See how top providers use Symmetry Tax Engine to automate calculations, filings, and updates at scale.
GuideFringe BenefitsUnderstand taxable vs. non-taxable fringe benefits with confidence. This IRS-aligned guide explains de minimis benefits, service and safety awards, and accurate W-2 reporting for compliant payroll operations.
GuidePayroll Tax Geocoding GuideZip codes aren’t enough for payroll tax accuracy. Discover how geocoding ensures precise tax withholding and compliance across federal, state and 7,400+ local tax jurisdictions—powered by Symmetry’s geospatial payroll tax automation.
GuideLocal TaxesNavigate the complexity of local payroll tax compliance. Discover how to automate accurate local tax withholding across 7,400+ jurisdictions—including Ohio JEDDs and Pennsylvania Act 32—using address-level geocoding and location-based precision.
GuideMulti-State PayrollRunning payroll across state lines? Discover how to manage nexus, reciprocity, and nonresident certificates with precision. This guide explains how Symmetry’s Tax Engine automates complex multi-state payroll tax calculations for modern HR tech and payroll platforms.
Client stories
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Wave
Leading small business payroll provider relies on Symmetry products to expand into the U.S.
Salsa
Embedded payroll provider Salsa gains “huge strategic difference” building with Symmetry Tax Engine.
Findd
Cutting-edge time & attendance platform expands offerings with addition of Symmetry Payroll Forms.
Industry-leading Recruiting Software
Industry-leading recruiting software expands its offering with Symmetry’s payroll tax forms.














