Vatstack vs Zamp
On the evidence we track, Vatstack leads this comparison with a composite score of 67/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.
Capabilities
Feature-by-feature on the axes that matter for tax software. “-” means undocumented, not absent.
What each one is
The product in its own terms, so the numbers below have context.
Vatstack
LeaderAutomatically calculates applicable VAT rates for cross-border digital sales, validates customer VAT numbers, stores transaction evidence, and generates compliance reports for VAT and GST filings.
Zamp
A platform that automates sales tax calculations, registrations, and filings across the US and Canada, backed by dedicated tax experts who manage compliance end-to-end.
Pricing
List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.
Vatstack
LeaderFree Developer plan; Launch starts at $0/mo; Small Business $15/mo; Enterprise $150/mo, all with usage overages
- DeveloperFree
- Full rates list
- EU (27) rates
- Digital product rates
- Geolocation technology (MaxMind GeoIP2)
- Cached quote history (3 days)
- Launch$0/mo + usage overages
- Unlimited VAT Rates
- VAT Validations with overage pricing
- VAT Sales tracking
- 99.95% SLA
- EU data center
- +1 more
- Small Business$15/mo + usage overages
- Unlimited VAT Rates
- VAT Validations with overage pricing
- VAT Sales tracking
- 99.95% SLA
- EU data center
- +1 more
- Enterprise$150/mo + usage overages
- Unlimited VAT Rates
- VAT Validations with overage pricing
- VAT Sales tracking
- 99.95% SLA
- EU data center
- +1 more
Zamp
Free tier with API sandbox and consultation. Paid plans available via custom quote.
- FreeFree
- One-time nexus analysis
- Jurisdiction-by-jurisdiction risk summary
- Product taxability review
- Taxability classification by product/service
- State and country-specific rule application
- +2 more
- U.S.Contact sales
- Rooftop-accurate tax calculations
- Real-time address validation
- Product-specific taxability rules
- Proactive nexus monitoring and registration
- Automated state registrations
- +6 more
- GlobalContact sales
- All U.S. plan features
- Canada GST/HST/PST/QST calculations
- Federal and provincial rate determination
- Buyer location validation
- Digital vs. physical product tax logic
- +5 more
Platform & deployment
Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.
Integrations
What each product connects to. Counts come from the vendor's own integration directory where one exists.
- Stripe
Vatstack
Leader- Stripe
Zamp
- NetSuite
- Shopify
- WooCommerce
- Amazon
- Chargebee
- Checkout Champ
- eBay
- Etsy
- BigCommerce
- QuickBooks
- Rillet
- Recurly
- Sage Intacct
- Salesforce Commerce Cloud
- SAP
- Zoho
Vatstack or Zamp: which one depends on you
A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.
Free to run, no account needed to start. How the evaluation works
Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.