# Vatstack vs Zamp

**Leader by vioscaleAI score:** Vatstack

| Attribute | Vatstack | Zamp |
|---|---|---|
| **vioscaleAI score** | 67.4 (55% (medium)) | 52.3 (52% (medium)) |
| content.faq | `[{"answer":"Automatically 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. It is indexed under Tax Software.","source":"https://vatstack.com/pricing","question":"What is Vatstack?","confidence":0.6},{"answer":"Vatstack offers a free tier, so you can start without paying. Paid plans start at $0 per month. Prices are published openly on the vendor's own pricing page. Pricing changes often, so verify at source before relying on it.","source":"https://vatstack.com/pricing","question":"Is Vatstack free?","confidence":0.6},{"answer":"We have confirmed browser-based access to Vatstack. That is the extent of what we could verify from public sources, so it may well offer desktop or mobile clients we have not indexed.","source":"https://vatstack.com/pricing","question":"What platforms does Vatstack support?","confidence":0.6},{"answer":"We have only confirmed a cloud / SaaS deployment for Vatstack, so it appears to be vendor-hosted. If a self-hosted option exists we have not found it documented publicly.","source":"https://vatstack.com/pricing","question":"Can Vatstack be self-hosted?","confidence":0.6},{"answer":"We have independently confirmed GDPR for Vatstack. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as Vatstack not holding them. Always confirm compliance directly before you rely on it.","source":"https://vatstack.com/privacy","question":"What security certifications does Vatstack have?","confidence":0.7},{"answer":"Vatstack is available in the United Kingdom. Its primary market is the United Kingdom.","source":"https://vatstack.com/pricing","question":"Where is Vatstack available?","confidence":0.75}]` | `[{"answer":"A managed service that handles the entire sales tax lifecycle for online retailers, including nexus tracking, return filing, and audit support across multiple states and provinces. It is indexed under Tax Software.","source":"https://www.zamp.com","question":"What is Zamp?","confidence":0.6},{"answer":"Zamp does not publish its prices. Pricing is quoted on request, across 3 plans (Free, U.S. and Global), so the figure depends on your seat count and requirements. We record this as a pricing-transparency signal rather than guessing a number. Pricing changes often, so verify at source before relying on it.","source":"https://zamp.com/pricing","question":"How much does Zamp cost?","confidence":0.6},{"answer":"We have confirmed browser-based access to Zamp. That is the extent of what we could verify from public sources, so it may well offer desktop or mobile clients we have not indexed.","source":"https://zamp.com/pricing","question":"What platforms does Zamp support?","confidence":0.6},{"answer":"We have only confirmed a cloud / SaaS deployment for Zamp, so it appears to be vendor-hosted. If a self-hosted option exists we have not found it documented publicly.","source":"https://zamp.com/pricing","question":"Can Zamp be self-hosted?","confidence":0.6},{"answer":"We have confirmed 17 integrations for Zamp, including NetSuite, Shopify, Stripe, WooCommerce, Amazon, Chargebee, Checkout Champ and eBay, plus 9 more. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://www.zamp.com","question":"What does Zamp integrate with?","confidence":0.6},{"answer":"We have independently confirmed SOC 2 and GDPR for Zamp. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as Zamp not holding them. Always confirm compliance directly before you rely on it.","source":"https://www.zamp.com","question":"What security certifications does Zamp have?","confidence":0.48},{"answer":"Zamp is available in the United States and Canada. Its primary markets are the United States and Canada.","source":"https://www.zamp.com","question":"Where is Zamp available?","confidence":0.75}]` |
| deployment.options | `{"cloud":true}` | `{"cloud":true}` |
| description.long | Automatically 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. | 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. |
| features.capabilities | `{"iso_27001":false,"soc2_type_ii":false,"pricing_model":"flat_subscription","erp_netsuite_sap_integration":false,"eu_vat_cross_border_calculation":true,"us_sales_tax_address_validation":false,"digital_goods_software_tax_rules":true,"shopify_stripe_native_integration":true,"real_time_checkout_calculation_api":true,"automated_return_filing_and_payment":true,"economic_nexus_jurisdiction_tracking":false,"exemption_certificate_management_b2b":true}` | `{"pricing_model":"quote","erp_netsuite_sap_integration":true,"eu_vat_cross_border_calculation":false,"us_sales_tax_address_validation":true,"digital_goods_software_tax_rules":true,"shopify_stripe_native_integration":true,"real_time_checkout_calculation_api":true,"automated_return_filing_and_payment":true,"economic_nexus_jurisdiction_tracking":true,"exemption_certificate_management_b2b":true}` |
| integrations.count | 1 | 15 |
| integrations.list | `[{"name":"Stripe"}]` | `[{"name":"NetSuite"},{"name":"Shopify"},{"name":"Stripe"},{"name":"WooCommerce"},{"name":"Amazon"},{"name":"Chargebee"},{"name":"Checkout Champ"},{"name":"eBay"},{"name":"Etsy"},{"name":"BigCommerce"},{"name":"QuickBooks"},{"name":"Rillet"},{"name":"Recurly","category":"billing"},{"name":"Sage Intacct","category":"accounting"},{"name":"Salesforce Commerce Cloud","category":"e-commerce"},{"name":"SAP","category":"erp"},{"name":"Zoho","category":"accounting"}]` |
| market.availability | `{"primaryMarkets":["GB"],"availabilityScope":"global","availableCountries":["GB"],"notAvailableCountries":[]}` | `{"primaryMarkets":["US","CA"],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"web":true}` | `{"web":true}` |
| pricing | `{"type":"subscription","plans":[{"free":true,"name":"Developer","summary":"Free forever, no credit card required","features":["Full rates list","EU (27) rates","Digital product rates","Geolocation technology (MaxMind GeoIP2)","Cached quote history (3 days)"],"components":[{"kind":"fixed","amount":0,"period":"month","currency":"USD"}],"description":"Free plan for building and testing, includes unlimited dummy validations and supplies","contactSales":false,"includedLimits":{"supplies":"unlimited (dummy)","validations":"unlimited (dummy)"}},{"free":false,"name":"Launch","summary":"$0/mo + usage overages","features":["Unlimited VAT Rates","VAT Validations with overage pricing","VAT Sales tracking","99.95% SLA","EU data center","Event webhooks"],"components":[{"kind":"fixed","amount":0,"period":"month","currency":"USD"},{"per":{"qty":1,"unit":"validation"},"kind":"metered","amount":0.09,"currency":"USD"},{"per":{"qty":1,"unit":"sale"},"kind":"metered","amount":0.45,"currency":"USD"}],"description":"Starting point for small businesses","contactSales":false,"includedLimits":{"sales":"20/mo","validations":"100/mo"}},{"free":false,"name":"Small Business","summary":"$15/mo + usage overages","features":["Unlimited VAT Rates","VAT Validations with overage pricing","VAT Sales tracking","99.95% SLA","EU data center","Event webhooks"],"components":[{"kind":"fixed","amount":15,"period":"month","currency":"USD"},{"per":{"qty":1,"unit":"validation"},"kind":"metered","amount":0.03,"currency":"USD"},{"per":{"qty":1,"unit":"sale"},"kind":"metered","amount":0.15,"currency":"USD"}],"description":"For growing digital businesses","contactSales":false,"includedLimits":{"sales":"3,000/mo","validations":"500/mo"}},{"free":false,"name":"Enterprise","summary":"$150/mo + usage overages","features":["Unlimited VAT Rates","VAT Validations with overage pricing","VAT Sales tracking","99.95% SLA","EU data center","Event webhooks"],"components":[{"kind":"fixed","amount":150,"period":"month","currency":"USD"},{"per":{"qty":1,"unit":"validation"},"kind":"metered","amount":0.01,"currency":"USD"},{"per":{"qty":1,"unit":"sale"},"kind":"metered","amount":0.05,"currency":"USD"}],"description":"For large-scale operations","contactSales":false,"includedLimits":{"sales":"3,000/mo","validations":"15,000/mo"}}],"summary":"Free Developer plan; Launch starts at $0/mo; Small Business $15/mo; Enterprise $150/mo, all with usage overages","currency":"USD","freeTier":true,"sourceUrl":"https://vatstack.com/pricing","retrievedAt":"2026-08-24T21:03:32.930Z","startingPrice":{"amount":0,"period":"month","currency":"USD"},"billingPeriods":["month"]}` | `{"type":"hybrid","plans":[{"free":true,"name":"Free","summary":"Free tier with consultation and API sandbox","features":["One-time nexus analysis","Jurisdiction-by-jurisdiction risk summary","Product taxability review","Taxability classification by product/service","State and country-specific rule application","30-minute session with senior sales tax professional","API sandbox access"],"description":"Initial tax exposure assessment and API sandbox access","contactSales":false},{"free":false,"name":"U.S.","summary":"Custom pricing via sales consultation","features":["Rooftop-accurate tax calculations","Real-time address validation","Product-specific taxability rules","Proactive nexus monitoring and registration","Automated state registrations","Ongoing obligation monitoring","AI-powered return preparation and submission","Daily state portal monitoring","Expert response and resolution","Dedicated U.S. tax expertise","Support for complex scenarios"],"contactSales":true},{"free":false,"name":"Global","summary":"Custom pricing via sales consultation","features":["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","CAD currency support","Canadian threshold monitoring","Automated GST/HST/PST/QST registrations","Canadian filing and reporting","Cross-border tax expertise"],"contactSales":true}],"summary":"Free tier with API sandbox and consultation. Paid plans available via custom quote.","currency":"USD","freeTier":true,"sourceUrl":"https://zamp.com/pricing","retrievedAt":"2026-08-25T22:12:46.632Z","freeTrialDays":30}` |
| pricing.free_tier | yes | yes |
| pricing.model | freemium | freemium |
| pricing.price_level | free | low |
| pricing.starting_price | `{"amount":0,"currency":"USD"}` | - |
| pricing.transparent | yes | no |
| reliability.sla_pct | 99.95 | - |
| security.disclosure_policy | - | yes |
| security.gdpr | yes | yes |
| security.soc2 | - | yes |
| security.trust_center | - | https://zamp.com/events/navigating-multistate-sales-tax-compliance-in-e-commerce |

## Capabilities (Tax Software)

| Capability | Vatstack | Zamp |
|---|:--:|:--:|
| **Capabilities** |  |  |
| Real time checkout calculation API | ✓ | ✓ |
| Economic nexus jurisdiction tracking | ✗ | ✓ |
| Automated return filing and payment | ✓ | ✓ |
| Exemption certificate management B2B | ✓ | ✓ |
| US sales tax address validation | ✗ | ✓ |
| EU vat cross border calculation | ✓ | ✗ |
| Digital goods software tax rules | ✓ | ✓ |
| ERP netsuite sap integration | ✗ | ✓ |
| Shopify stripe native integration | ✓ | ✓ |
| SOC2 type ii | ✗ | - |
| ISO 27001 | ✗ | - |
| Pricing model | Flat subscription | Quote |

*Source: vioscaleAI. Generated 2026-10-16T20:06:05.671Z. "-" = undocumented, not absent.*