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Head-to-head · Tax Engine Software

ONESOURCE Determination vs Vertex Cloud Indirect Tax

  • Updated Oct 2026
  • Both researched from official sources
  • 4 checks side by side
Higher score ONESOURCE Determination #2 in Tax Engine Software 9.3/10 Pricing on request ✓ 3 of 4 features Visit site
Vertex Cloud Indirect Tax #3 in Tax Engine Software 9.1/10 Pricing on request ✓ 1 of 4 features Visit Vertex

ONESOURCE Determination leads on 0 checks, Vertex Cloud Indirect Tax on 0, and 4 are even. Who comes out ahead on the 4 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreONESOURCE Determination · 9.3/10
  • Most featuresONESOURCE Determination · 3 of 4

ONESOURCE Determination scores higher on our rubric for tax engine software: 9.3 against 9.1 out of 10; our editors rank them #2 and #3.

ONESOURCE Determination is the better fit for global enterprises needing maximum tax coverage. Vertex Cloud Indirect Tax is the better fit for large enterprises with complex indirect tax.

  • ONESOURCE Determination fits best

    Global enterprises needing maximum tax coverage

  • Vertex Cloud Indirect Tax fits best

    Large enterprises with complex indirect tax

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Side by side

Feature ONESOURCE Determination 9.3/10 Visit ↗ Vertex Cloud Indirect Tax 9.1/10 Visit ↗
At a glance
Editor score 9.3 9.1
Ranking #2 in Tax Engine Software #3 in Tax Engine Software
Best for Global enterprises needing maximum tax coverage Large enterprises with complex indirect tax
Pricing model Paid Paid
Starting price Pricing on request Pricing on request
Free plan Not checked yet Not checked yet
Free trial — —
Deployment Cloud Cloud
Platforms Web Web
Integrations 10 integrations 6 integrations
Built for Mid-market, Enterprise Enterprise, Mid-market
Features ONESOURCE Determination 3/4 · Vertex Cloud Indirect Tax 1/4
Real-time calculation ✓ (best) Not checked yet
API access Not checked yet ✓ (best)
Commerce connectors ✓ (best) Not checked yet
Exemption certificates ✓ (best) Not checked yet
Specs
Tax jurisdictions Not checked yet Not checked yet
Transaction limit Not checked yet Not checked yet
Tax types Multiple Not checked yet
Our review
Pros
  • Covers more than 205 countries and territories
  • Supports more than 60,000 global tax jurisdictions
  • Handles up to 10 million transactions per hour
  • Supports sales, use, VAT, GST, and other indirect tax types
  • Combines determination, filing workflows, e-invoicing, and tax research
  • Connects with SAP, Oracle, Microsoft, Shopify, Workday, and NetSuite
Cons
  • Pricing requires contacting a sales representative
  • Plan-level transaction limits are not published
  • Its broad scope may exceed narrower domestic tax needs
  • Contact-sales pricing makes upfront budget comparison harder
  • Its broad scope may exceed the needs of simpler tax teams
  • ERP and source-system connectivity requires careful deployment planning
Our verdict

ONESOURCE Determination is a cloud-based indirect tax engine from Thomson Reuters for growing companies and large corporations. It automates sales, use, GST, VAT, and excise tax calculations across more than 205 countries and territories,…

Read the review →

Vertex Cloud Indirect Tax is a cloud platform for organizations managing complex indirect tax across global commerce. It supports tax determination across jurisdictions, compliance reporting and automated filing workflows, e-invoicing…

Read the review →
  1. ONESOURCE DeterminationTax Engine Software 9.3Pricing on request
  2. Vertex Cloud Indirect TaxTax Engine Software 9.1Pricing on request

Strengths and trade-offs

  • ONESOURCE Determination — where it wins

    • Covers more than 205 countries and territories
    • Supports more than 60,000 global tax jurisdictions
    • Handles up to 10 million transactions per hour

    Where it doesn't

    • Pricing requires contacting a sales representative
    • Plan-level transaction limits are not published
    • Its broad scope may exceed narrower domestic tax needs

  • Vertex Cloud Indirect Tax — where it wins

    • Supports sales, use, VAT, GST, and other indirect tax types
    • Combines determination, filing workflows, e-invoicing, and tax research
    • Connects with SAP, Oracle, Microsoft, Shopify, Workday, and NetSuite

    Where it doesn't

    • Contact-sales pricing makes upfront budget comparison harder
    • Its broad scope may exceed the needs of simpler tax teams
    • ERP and source-system connectivity requires careful deployment planning
  • ONESOURCE Determination9.3/10 · Pricing on request

    A high-capacity global tax engine with broad coverage and contact-sales pricing.

    Visit siteFull verdict →
  • Vertex Cloud Indirect Tax9.1/10 · Pricing on request

    A broad enterprise tax engine for complex, multi-jurisdiction indirect tax operations.

    Visit VertexFull verdict →

More comparisons

All tax engine software comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update