Symmetry Tax Engine
The gold standard for precise payroll tax calculations and compliance.
Executive Summary
The Symmetry Tax Engine (STE) is a powerful gross-to-net payroll tax calculation solution for U.S. and Canadian jurisdictions, trusted by payroll platforms and HCM systems. It ensures accuracy and compliance across over 7,400 taxing jurisdictions through proprietary rooftop-level geocoding and real-time tax updates. Designed for developers, STE offers flexible integration via Web API or on-premise SDK, significantly reducing manual tax research and mitigating compliance risks for large employers and software vendors.
Use Cases
- Building a payroll system from scratch.
- Processing payroll in-house for large organizations.
- Adding payroll capabilities to an existing software offering.
- Expanding payroll operations to new geographic markets (multi-state/multi-jurisdiction).
- Supplementing existing payroll calculations that lack comprehensive tax coverage.
- Embedding precise tax logic directly into HCM or payroll applications.
Features
Visibility
- Comprehensive Reporting and Dashboards: Offers robust reporting and dashboard functionalities, including customizable portal reports for detailed insights into payroll tax data.
- User, Role, and Access Management: Provides capabilities for managing user roles and access, ensuring appropriate data governance and security within the platform.
- Real-time Tax Data Access: Clients have access to a staging environment to preview updates prior to production releases, ensuring transparency and control over tax changes.
Intelligence
- Rooftop-Level Geocoding: Accurately identifies tax jurisdictions by converting home and work addresses into geocoordinates, applying reciprocity and nexus rules for precise calculations.
- Symmetry Tax Notification Service: Delivers real-time updates on payroll tax changes with supporting primary source documentation, ensuring continuous compliance.
- Tax Logic AI for Explanations: An AI-powered expert providing 24/7, step-by-step explanations of complex payroll tax calculations, reducing research time and enhancing clarity.
- Automated Compliance Updates: Proactive, automated compliance updates across thousands of jurisdictions mitigate manual data entry, compliance gaps, and legal consequences.
Support
- Dedicated Account Management: Clients receive a dedicated Symmetry account manager to support their product vision and project goals.
- Expert Support Team Access: Access to a dedicated support analyst, engineers, and compliance experts for comprehensive assistance.
- Developer Documentation and Guides: Extensive developer hub with API documentation, product guides, and basic concepts to assist with integration and usage.
Technical Specifications
- Architecture
- Hybrid (Cloud-hosted Web API on AWS and On-premise SDK)
- Deployment
- Hybrid
- Authentication
- API key/token based (inferred from API usage)
- API Available
- Yes
- MCP Server
- No
Infrastructure
- AWS
AI/ML Stack
- Machine Learning
- Natural Language Processing
Security & Compliance
Encryption: API communications are encrypted in transit.
Data Residency: US
Pricing
- Model
- Custom enterprise
- Starting Price
- Contact sales
- Target Customer
- Mid-market to Enterprise (Large Employers, Payroll Service Providers, Software Vendors)
- Contract Type
- Annual (inferred from enterprise focus)
- Free Trial
- No (credit card required)
Ratings & Reviews
G2: 4.5/5 (27 reviews) · Capterra: [object Object]/5 · Gartner: [object Object]/5
About Symmetry Tax Engine
Symmetry Software is a leading provider of payroll tax compliance infrastructure, offering accurate payroll tax APIs and onboarding compliance software to automate payroll processes for payroll providers, tech platforms, and large employers. Their products, including the Symmetry Tax Engine, Symmetry Payroll Forms, and Symmetry Payroll Point, ensure precise tax calculations and regulatory compliance across the United States and Canada. Founded in 1984, the company is headquartered in Scottsdale, Arizona, and employs between 51 and 200 people.