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Head-to-head · Tax Engine Software

ONESOURCE Determination vs Anrok

  • Updated Oct 2026
  • Both researched from official sources
  • 5 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
Anrok #6 in Tax Engine Software 8.8/10 Paid ✓ 1 of 4 features Visit Anrok

ONESOURCE Determination leads on 0 checks, Anrok on 0, and 5 are even. Who comes out ahead on the 5 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 8.8 out of 10; our editors rank them #2 and #6.

ONESOURCE Determination is the better fit for global enterprises needing maximum tax coverage. Anrok is the better fit for saaS companies needing end-to-end tax automation.

  • ONESOURCE Determination fits best

    Global enterprises needing maximum tax coverage

  • Anrok fits best

    SaaS companies needing end-to-end tax automation

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature ONESOURCE Determination 9.3/10 Visit ↗ Anrok 8.8/10 Visit ↗
At a glance
Editor score 9.3 8.8
Ranking #2 in Tax Engine Software #6 in Tax Engine Software
Best for Global enterprises needing maximum tax coverage SaaS companies needing end-to-end tax automation
Pricing model Paid Paid
Starting price Pricing on request $50/unit/mo
Free plan Not checked yet —
Free trial — —
Deployment Cloud Cloud, Browser extension
Platforms Web Web
Compliance SOC 2 SOC 2, GDPR
Integrations 10 integrations 40+ integrations
Built for Mid-market, Enterprise Small business, Mid-market, Enterprise
Features ONESOURCE Determination 3/4 · Anrok 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
  • Automates exposure monitoring, calculation, registration, filing, and remittance
  • Connects with billing, ERP, ecommerce, accounting, CRM, and HR systems
  • Supports sales tax, VAT, and GST across 150+ countries
Cons
  • Pricing requires contacting a sales representative
  • Plan-level transaction limits are not published
  • Its broad scope may exceed narrower domestic tax needs
  • No free plan; entry pricing is charged per market per month
  • Starter pricing is $100 per market per month for non-eCommerce companies
  • Reconciliation and audit-ready reporting are available on the Custom plan
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 →

Designed for software companies, ecommerce businesses, and other commerce teams, Anrok brings indirect tax work into one cloud platform. It monitors tax exposure and nexus, calculates sales tax in real time, supports sales tax and VAT/GST…

Read the review →
  1. ONESOURCE DeterminationTax Engine Software 9.3Pricing on request
  2. AnrokTax Engine Software 8.8Paid

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
  • Anrok — where it wins

    • Automates exposure monitoring, calculation, registration, filing, and remittance
    • Connects with billing, ERP, ecommerce, accounting, CRM, and HR systems
    • Supports sales tax, VAT, and GST across 150+ countries

    Where it doesn't

    • No free plan; entry pricing is charged per market per month
    • Starter pricing is $100 per market per month for non-eCommerce companies
    • Reconciliation and audit-ready reporting are available on the Custom plan
  • ONESOURCE Determination9.3/10 · Pricing on request

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

    Visit siteFull verdict →
  • Anrok8.8/10 · Paid

    End-to-end indirect tax automation for SaaS and commerce teams.

    Visit AnrokFull verdict →

More comparisons

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update