Avalara AvaTax vs Sovos Tax Determination

Avalara AvaTax8.9Visit Sovos Tax Determination8.5Visit

Higher score Avalara AvaTax #4 in Tax Compliance Software 8.9/10 Paid ✓ 3 of 4 features Visit Avalara

vs

Sovos Tax Determination #9 in Tax Compliance Software 8.5/10 Pricing on request ✓ 1 of 4 features Visit Sovos

• Avalara AvaTax fits best

  High-volume transaction tax calculation

• Sovos Tax Determination fits best

  API-first enterprise tax determination

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Side by side

Feature	Avalara AvaTax 8.9/10 Visit ↗	Sovos Tax Determination 8.5/10 Visit ↗
At a glance
Editor score	8.9	8.5
Ranking	#4 in Tax Compliance Software	#9 in Tax Compliance Software
Best for	High-volume transaction tax calculation	API-first enterprise tax determination
Pricing model	Paid	Paid
Starting price	$699/unit/yr	Pricing on request
Free plan	—	Not checked yet
Free trial	—	—
Deployment	Cloud	Cloud
Support	Live chat, Docs	Docs
Integrations	1,400+ integrations	6 integrations
Built for	Small business, Mid-market, Enterprise	Mid-market, Enterprise
Features Avalara AvaTax 3/4 · Sovos Tax Determination 1/4
Return filing	✓ (best)	Not checked yet
Sales tax calculation	✓ (best)	Not checked yet
Tax registration	Not checked yet	Not checked yet
API access	✓	✓
Specs
Jurisdictions covered	12000 jurisdictions	Not checked yet
Supported tax types	sales tax, consumer use tax, VAT, communications tax, occupancy and lodging tax, excise tax	Not checked yet
Filing support level	Automated	Not checked yet
Our review
Pros	Covers 12,000+ jurisdictions and multiple tax types REST API plus broad ERP, ecommerce, and accounting integrations Nexus, exemption, filing, reporting, and audit-readiness features	Calculates VAT, GST, excise, and sales and use tax in real time Connects with SAP, Oracle, Coupa, and NetSuite environments Handles exemptions, reporting, custom rules, codes, and attributes
Cons	No free plan is available Pricing varies by state, revenue tier, usage, and eligibility Advanced services and configurations may require a Custom plan	Pricing requires contact with sales Primarily focuses on tax determination API deployment may not suit teams seeking a standalone tax application
Our verdict	Avalara AvaTax is a cloud-based tax determination engine for businesses calculating taxes across sales and purchasing workflows. It supports sales and consumer use tax, VAT, communications tax, occupancy and lodging tax, and excise tax.… Read the review →	Sovos Tax Determination is a cloud tax engine for businesses managing indirect tax across sales, purchases, and other transactions. It supports VAT, GST, excise, and sales and use tax, making it suited to mid-market and enterprise… Read the review →

Strengths and trade-offs

• Avalara AvaTax — where it wins

  • Covers 12,000+ jurisdictions and multiple tax types
  • REST API plus broad ERP, ecommerce, and accounting integrations
  • Nexus, exemption, filing, reporting, and audit-readiness features

  Where it doesn't

  • No free plan is available
  • Pricing varies by state, revenue tier, usage, and eligibility
  • Advanced services and configurations may require a Custom plan

• Sovos Tax Determination — where it wins

  • Calculates VAT, GST, excise, and sales and use tax in real time
  • Connects with SAP, Oracle, Coupa, and NetSuite environments
  • Handles exemptions, reporting, custom rules, codes, and attributes

  Where it doesn't

  • Pricing requires contact with sales
  • Primarily focuses on tax determination
  • API deployment may not suit teams seeking a standalone tax application

• Avalara AvaTax8.9/10 · Paid

  A broad tax engine for businesses managing high-volume, multi-jurisdiction transactions.

  Visit AvalaraFull verdict →
• Sovos Tax Determination8.5/10 · Pricing on request

  API-first tax determination for complex, multi-jurisdiction transactions.

  Visit SovosFull verdict →