Suggestions appear as you type. Use the up and down arrows to choose one and Enter to open it.

This page's audience our own tag's counts — open to see them
–Visits
–Page views
–Clicks to vendors
–Time on page
–Reading now
Clicks to vendors, by tool
  • –
Top countries
  • –
Devices
  • –

– · visits, page views and clicks counted by our own tag, which counts more than our checked analytics; every figure rounded down · how we count

Head-to-head · Tax Engine Software

Vertex Cloud Indirect Tax vs Sphere

  • Updated Oct 2026
  • Both researched from official sources
  • 2 checks side by side
Higher score Vertex Cloud Indirect Tax #3 in Tax Engine Software 9.1/10 Pricing on request ✓ 1 of 4 features Visit Vertex
Sphere #8 in Tax Engine Software 8.6/10 Paid ✓ 1 of 4 features Visit Sphere

Vertex Cloud Indirect Tax leads on 0 checks, Sphere on 0, and 2 are even. Who comes out ahead on the 2 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreVertex Cloud Indirect Tax · 9.1/10

Vertex Cloud Indirect Tax scores higher on our rubric for tax engine software: 9.1 against 8.6 out of 10; our editors rank them #3 and #8.

Vertex Cloud Indirect Tax is the better fit for large enterprises with complex indirect tax. Sphere is the better fit for modern businesses needing broad tax operations.

  • Vertex Cloud Indirect Tax fits best

    Large enterprises with complex indirect tax

  • Sphere fits best

    Modern businesses needing broad tax operations

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 Vertex Cloud Indirect Tax 9.1/10 Visit ↗ Sphere 8.6/10 Visit ↗
At a glance
Editor score 9.1 8.6
Ranking #3 in Tax Engine Software #8 in Tax Engine Software
Best for Large enterprises with complex indirect tax Modern businesses needing broad tax operations
Pricing model Paid Paid
Starting price Pricing on request $100/unit/mo
Free plan Not checked yet —
Free trial — —
Deployment Cloud Cloud
Platforms Web Web
Support Phone, Community Live chat · 24/7
Integrations 6 integrations 20 integrations
Built for Enterprise, Mid-market Small business, Mid-market, Enterprise
Features Vertex Cloud Indirect Tax 1/4 · Sphere 1/4
Real-time calculation Not checked yet Not checked yet
API access ✓ ✓
Commerce connectors Not checked yet Not checked yet
Exemption certificates Not checked yet Not checked yet
Specs
Tax jurisdictions Not checked yet Not checked yet
Transaction limit Not checked yet Not checked yet
Tax types Not checked yet Not checked yet
Our review
Pros
  • 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
  • Covers monitoring, registration, calculation, filing and remittance
  • Supports sales tax, VAT and GST across web and API
  • Includes 15 integrations for billing, finance, HR and payroll systems
Cons
  • 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
  • No free plan is available
  • Starter pricing applies per region and is limited to fewer than 10 regions
  • Customs and withholding-tax products are coming soon
Our verdict

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 →

Sphere is an AI-powered tax compliance platform for companies selling across borders. It brings indirect-tax exposure monitoring, tax registration management, real-time tax calculation and automated return filing and remittance into one…

Read the review →
  1. Vertex Cloud Indirect TaxTax Engine Software 9.1Pricing on request
  2. SphereTax Engine Software 8.6Paid

Strengths and trade-offs

  • 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
  • Sphere — where it wins

    • Covers monitoring, registration, calculation, filing and remittance
    • Supports sales tax, VAT and GST across web and API
    • Includes 15 integrations for billing, finance, HR and payroll systems

    Where it doesn't

    • No free plan is available
    • Starter pricing applies per region and is limited to fewer than 10 regions
    • Customs and withholding-tax products are coming soon
  • Vertex Cloud Indirect Tax9.1/10 · Pricing on request

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

    Visit VertexFull verdict →
  • Sphere8.6/10 · Paid

    A broad tax operations platform with automated filing, registration and real-time calculation.

    Visit SphereFull verdict →

More comparisons

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update