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Head-to-head · Sales Tax Software

Vertex Sales & Use Tax vs Zamp

  • Updated Nov 2026
  • Both researched from official sources
  • 6 checks side by side
Higher score Vertex Sales & Use Tax #2 in Sales Tax Software 9.2/10 Pricing on request ✓ 4 of 5 features Visit Vertex
Zamp #4 in Sales Tax Software 9.0/10 Pricing on request · 30-day trial Free trial✓ 1 of 5 features Visit Zamp

Vertex Sales & Use Tax leads on 0 checks, Zamp on 0, and 6 are even. Who comes out ahead on the 6 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreVertex Sales & Use Tax · 9.2/10
  • Free trialonly Zamp
  • Most featuresVertex Sales & Use Tax · 4 of 5

Vertex Sales & Use Tax scores higher on our rubric for sales tax software: 9.2 against 9.0 out of 10; our editors rank them #2 and #4.

Vertex Sales & Use Tax is the better fit for large enterprises with complex tax operations. Zamp is the better fit for high-volume businesses needing broad coverage.

  • Vertex Sales & Use Tax fits best

    Large enterprises with complex tax operations

  • Zamp fits best

    High-volume businesses needing broad coverage

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 Sales & Use Tax 9.2/10 Visit ↗ Zamp 9.0/10 Visit ↗
At a glance
Editor score 9.2 9.0
Ranking #2 in Sales Tax Software #4 in Sales Tax Software
Best for Large enterprises with complex tax operations High-volume businesses needing broad coverage
Pricing model Paid Paid
Starting price Pricing on request —
Free plan Not checked yet —
Free trial — 30 days
Deployment Cloud, Self-hosted Cloud
Support Phone, Tickets, Community, Docs · 24/7 Email, Phone, Docs
Integrations 150+ integrations 37+ integrations
Built for Small business, Mid-market, Enterprise Small business, Mid-market
Features Vertex Sales & Use Tax 4/5 · Zamp 1/5
Tax return filing ✓ (best) Not checked yet
Nexus monitoring ✓ (best) Not checked yet
Exemption certificates ✓ (best) Not checked yet
Tax registration Not checked yet ✓ (best)
Marketplace support ✓ (best) Not checked yet
Specs
Jurisdictions covered Not checked yet 13000 jurisdictions
Our review
Pros
  • Covers determination, returns, filing, remittance, notices, and reconciliation
  • Monitors nexus thresholds and manages exemption certificates
  • Supports ERP, commerce, CRM, billing, and procurement integrations
  • 13,000+ U.S. jurisdictions with rooftop-accurate calculations
  • Automates nexus monitoring, registration, filing, and remittance
  • Supports 15 accounting, commerce, marketplace, and billing integrations
Cons
  • Pricing requires a sales discussion rather than a self-serve plan
  • Jurisdiction coverage varies by product configuration
  • Cloud, on-premises, and hybrid options add deployment decisions
  • Pricing requires contacting sales
  • Free-tier API access is rate-limited and limited to 30 days
  • Published geographic plans focus on the U.S. and Canada
Our verdict

Vertex Sales & Use Tax is an indirect-tax solution for organizations managing sales and use tax across multiple jurisdictions. It combines real-time tax determination with tax rules, rates, jurisdiction content, exemption certificate…

Read the review →

Zamp is a managed sales tax compliance platform for growing digital businesses, including e-commerce, SaaS, and digital services companies. It combines rooftop-accurate calculation, real-time address validation, product-level taxability…

Read the review →
  1. Vertex Sales & Use TaxSales Tax Software 9.2Pricing on request
  2. ZampSales Tax Software 9.0Pricing on request · 30-day trial

Strengths and trade-offs

  • Vertex Sales & Use Tax — where it wins

    • Covers determination, returns, filing, remittance, notices, and reconciliation
    • Monitors nexus thresholds and manages exemption certificates
    • Supports ERP, commerce, CRM, billing, and procurement integrations

    Where it doesn't

    • Pricing requires a sales discussion rather than a self-serve plan
    • Jurisdiction coverage varies by product configuration
    • Cloud, on-premises, and hybrid options add deployment decisions

  • Zamp — where it wins

    • 13,000+ U.S. jurisdictions with rooftop-accurate calculations
    • Automates nexus monitoring, registration, filing, and remittance
    • Supports 15 accounting, commerce, marketplace, and billing integrations

    Where it doesn't

    • Pricing requires contacting sales
    • Free-tier API access is rate-limited and limited to 30 days
    • Published geographic plans focus on the U.S. and Canada
  • Vertex Sales & Use Tax9.2/10 · Pricing on request

    A broad sales-tax system for enterprises managing complex, multi-jurisdiction operations.

    Visit VertexFull verdict →
  • Zamp9.0/10 · Pricing on request · 30-day trial

    A broad managed tax platform for businesses that need calculation, filing, and nexus coverage.

    Visit ZampFull verdict →

More comparisons

All sales tax software comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Nov 2026

Last updated · How we research and update