Complete US Payroll
Tax Compliance
Granular engine for complex US tax codes. Automate Federal, State, and Local tax calculations with real-time liability tracking, quarterly updates, and 99.9% accuracy guaranteed.
Three-Tier Tax Jurisdiction Support
Complete coverage for Federal, State, and Local tax requirements—all automated and always current
Federal Tax Automation
Complete FICA, Medicare, and unemployment tax handling
- Social Security 6.2% auto-calculation with wage base tracking
- Medicare 1.45% + 0.9% Additional Medicare Tax
- FUTA unemployment tax with credit reduction states
- IRS tax bracket updates on schedule
State Tax Intelligence
All 50 states plus DC and territories covered
- 50-state income tax (SIT) tables with bracket updates
- State Unemployment (SUI) and Disability (SDI)
- No-tax state logic (TX, FL, WA, NV, WY, etc.)
- Reciprocity agreements auto-applied
Local Tax Management
10,000+ local jurisdictions in our database
- City-level tax configuration (NYC, Philadelphia, etc.)
- School district tax support (OH, PA, etc.)
- Multi-jurisdictional employee tracking
- Work location vs residence location handling
Instant Tax Calculations with Breakdown Visibility
See exactly how every dollar is calculated. Our tax engine provides full transparency into Federal, State, and Local withholdings with drill-down details.
Sub-Second Calculations
Process thousands of tax calculations instantly
Full Audit Trail
Every calculation logged with timestamp and version
Margin of Error: ±0.01%
Industry-leading accuracy for all calculations
Tax Breakdown Calculator
Live PreviewThree-Tier Tax Architecture
Our tax engine handles the full complexity of US payroll tax across Federal, State, and Local levels with precision.
Federal Taxes
Social Security (OASDI)
6.2% employee + 6.2% employer up to $168,600 wage base (2024)
Medicare (HI)
1.45% employee + employer (no cap) + 0.9% Additional Medicare
FUTA
6.0% employer (0.6% after credit) on first $7,000
Federal Income Tax
7 tax brackets from 10% to 37% based on W-4
State Taxes
State Income Tax (SIT)
State-specific withholding tables and progressive rates
State Unemployment (SUI)
Experience-rated employer contributions
State Disability (SDI)
Required in CA, HI, NJ, NY, PR, RI
Paid Family Leave (PFL)
State-mandated in CA, NJ, NY, WA, etc.
Local Taxes
City Income Taxes
NYC, Philadelphia, Detroit, and more
School District Taxes
Ohio and Pennsylvania school districts
Transit Taxes
Oregon TriMet, SF Transit, etc.
County Taxes
Various county-level withholdings
Real-Time Liability Ledger
Track pending tax debts across all jurisdictions to ensure compliance and avoid penalties. Our liability ledger provides a complete audit trail and payment scheduling.
Pending Tax Tracking
Real-time view of all tax liabilities across Federal, State, and Local levels with aging reports
Payment Scheduling
Automated reminders for quarterly and annual tax payments with calendar integration
Compliance Reporting
Export tax reports for quarterly filings, year-end reconciliation, and audit requests
Penalty Prevention
Proactive alerts when deposits are due to avoid IRS and state penalties
Liability Ledger Dashboard
Due: Quarterly - April 30, 2026
Due in 15 daysDue: Quarterly - April 30, 2026
Due in 15 daysDue: Monthly - March 31, 2026
PaidNext payment due in 15 days
Multi-State Employee Tax Handling
Automatically handle tax complexities for remote workers, traveling employees, and multi-state operations
Work State Detection
Auto-detect work location for accurate withholding
Reciprocity Rules
Automatic handling of state tax reciprocity agreements
Apportionment
Calculate tax based on days worked in each state
Nexus Alerts
Notifications when you may have tax nexus in new states
Automated Compliance & Updates
Stay compliant with automatic tax table updates, W-4 processing, and year-end form generation.
Quarterly Tax Table Updates
- Automatic federal and state tax rate updates
- Wage base limit adjustments (SS, SUI, etc.)
- New tax code compliance notifications
- Change log with effective dates
W-4 Processing
- Automated withholding from W-4 data
- Support for 2020+ and legacy W-4 forms
- Exemption tracking and annual renewal
- State W-4 equivalents handling
Year-End Forms
- W-2 generation and e-filing
- 1099 forms for contractors
- State wage reports (W-2 state copies)
- ACA 1095-C preparation
Bank-Level Security for Tax Data
Tax data is some of the most sensitive information you handle. Our platform is built with enterprise-grade security from the ground up.
Tax Compliance Guarantee*
- IRS deposit deadline tracking
- State filing deadline alerts
- Quarterly 941 preparation
- Annual 940 FUTA filing
- State unemployment reports
- Local tax filing assistance
- Penalty-free guarantee coverage
- Audit support documentation
*Terms and conditions apply. Guarantee covers penalties resulting from platform calculation errors.
Seamless Payroll Integration
Our tax engine integrates directly into the 5-step payroll wizard, calculating withholdings in real-time as you process each pay period.
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