Certified Providers
The following providers are certified by the Streamlined Sales Tax Governing Board.
**Exactor CSP system is certified by the Streamlined States, but they are not currently offering free services under Streamlined's CSP program.
AccurateTax
AccurateTax delivers fast, precise, and fully SST‑certified sales tax calculations directly inside your online store, so you can stay compliant without the complexity.
For more than 20 years, AccurateTax has helped retailers of every size manage the entire sales tax lifecycle with confidence. As a Certified Service Provider (CSP) with the Streamlined Sales Tax program, we provide a trusted, compliant, and affordable solution designed to support sellers of any size, from growing ecommerce brands to Fortune 500 companies.
Why Retailers Choose AccurateTax
SST‑Certified Accuracy You Can Trust
AccurateTax applies the latest SST‑approved rules, rates, and product taxability codes in real time. You get consistent, audit‑ready results across all participating states.
Easy Integration with Your Ecommerce Platform
Whether you use a major shopping cart or a custom-built system, AccurateTax fits seamlessly into your workflow.
- Ready‑made plug‑ins for popular ecommerce platforms
- A flexible, well‑documented API for custom integrations
- Fast onboarding with minimal development time
End‑to‑End Sales Tax Support
AccurateTax helps you manage every step of compliance:
- Real‑time tax calculation
- Collection and reporting
- Filing and remittance in SST states
- Access to certified rules and uniform filing requirements
We make it simple for retailers to stay compliant as they grow into new states.
A CSP Focused on Affordability, Simplicity, and Service
As a Certified Service Provider, AccurateTax delivers:
- SST‑compliant services designed to reduce your compliance burden
- Affordable pricing for retailers of all sizes
- Straightforward onboarding with real people available to help
- Reliable, scalable technology built for modern ecommerce
AccurateTax brings certified accuracy to your online point of sale, ensuring you calculate, collect, report, and remit the correct tax, every time.
Get Started with AccurateTax
Whether you’re expanding into new states or looking for a more dependable sales tax partner, AccurateTax makes compliance easier, faster, and more predictable.
Let us help you simplify sales tax. Contact us today to learn more about integrating AccurateTax with your online store.
Email: sstp@accuratetax.com
Website: https://www.accuratetax.com
Phone: 866-400-2444