The place to find business sales tax information

— as well as solutions, services and jobs!


HQ Location
1100 2nd Ave #300
Seattle, WA
Telephone: 888-659-6894
Sales Tax Products Information/Sales Contact:
Melissa Swirski
Direct Tel: 844-722-5748

Company Profile:

Avalara helps businesses achieve compliance with transactional taxes, including sales and use, VAT, excise, communications, and other tax types. The company delivers comprehensive, automated, cloud-based solutions that are designed to be fast, accurate, and easy to use. Avalara’s Compliance Cloud™ platform helps customers manage complicated and burdensome tax compliance obligations imposed by state, local, and other taxing authorities throughout the world. Avalara offers hundreds of pre-built connectors into leading accounting, ERP, ecommerce and other business applications, making the integration of tax and compliance solutions easy for customers. Headquartered in in Seattle, Washington, Avalara has offices across the U.S. and overseas in the U.K., Belgium, Brazil, and India. More information at

Company Size:

Very Large (501+ Employees)

Sales Tax (SALT) Products provided: Research, Rates Lookup, Rates Data, Calculation, Returns/Filing, SSTP Certified, Exemption Certificate Mgmt.
Sales Tax Products Coverage By Geographic Area:

Int'l - Canada, Int'l - VAT, USA - All States

Industries Served:

Automotive, Construction, Direct Sales (MLM), E-Commerce, Food/Grocery, Food/Restaurant, Gaming, General, Hospitality/Hotels, Manufacturing, Distribution, Medical, Retail,Technology/Software, Communications & Oil & Gas

Products Offering:

Scope of tax rate content - Comprehensive, automated solution (Calculation, Returns Fling and Exemption Certificate Management)

Research / Publications / Training:

Tax rate research and other services available

Rates: is a powerful, web-based tax calculator that takes the guesswork, research and risk out of looking up sales tax rates. provides:

  • Lightning-fast response time
  • Precise address validation across all of U.S. and Canada
  • Sales tax rate calculations that are accurate and reliable
  • Detailed jurisdiction breakdowns (state, county, local, special taxing authorities)

Avalara's advanced tax calculation engine is powered by an extensive database that is maintained with up-to the-minute rules, rates and boundary information reflecting the latest changes in more than 11,000 active taxing jurisdictions in Canada and the United States.


Our sales tax rates Software-as-a-Service (SaaS) offering is more than just a calculator for sales tax rates. AvaTax Calc is an easily integrated, dynamic tax decision engine. AvaTax dramatically improves accuracy because at initial calculation.

AvaTax Calc:

  • Validates and corrects the address -including ZIP code +4 Identifies product taxability
  • Applies the most current, up-to-date tax rules and regulations
  • Verifies tax holiday status
  • Applies sourcing rules (where taxable)
  • Automatically assigns correct jurisdiction

The service then provides sales tax calculation for transactions in real-time with no delay or interruption to workflow-and applies it in the billing system.

Returns / Filing:

Sales tax calculation is only the beginning of the sales tax process. Additional work for sales tax compliance occurs after the transaction. Avalara Returns offers automated returns filing on your behalf by pulling the AvaTax figures directly into the correct fields in the appropriate and required tax return forms, then submitting those forms on your behalf to the proper government agencies.

Benefits include:

  • Stress-free returns processing
  • Single source and payment
  • Reduced sales tax liability
  • Records retention compliance
  • Notice management
Exemption Certification Mgmt.:

Avalara CertCapture is a complete solution for tax document (exemption certificates, federal withholding documents (W-8/W-9) and excise fuel license) management. Features of the automated software include:

  • Online collection
  • Certificate verification
  • Digital storage and accessibility
  • Transaction association for each certificate
  • Expiration and upcoming renewal notification


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