Our AI-powered managed service handles VAT and GST registrations, calculations, and filings as you expand into new countries - all in one place.
The problem
Every country has its own VAT / GST thresholds, rules, and filing schedules. Digital products add another layer: you have to prove where the customer is. Mistakes here are expensive and visible.
Most companies end up with two bad options:
Manual workflows, weaker controls and rising audit exposure.
Inconsistent handling, fragmented data, and no single source of truth or unified oversight.
Zamp centralizes VAT and GST in one platform — registrations, calculations, filings, and reporting with the visibility, controls, and audit readiness finance teams require.
See how it works
The solution
Built on AI-native infrastructure with expert review where it matters — accurate by default, defensible under audit.
Our API applies the precise VAT / GST rate at checkout so you collect the right amount from the very first sale.
Buyer location is verified instantly and the correct national or regional rate is applied.
Selling software in France? Shipping goods into Toronto? The right product-specific taxability rules are applied automatically.
VAT/GST rules stay current globally with clear visibility into every change, its impact, and the resulting tax determination.
VAT/GST is supported in local currencies to match invoicing and settlement.
Reverse charge, marketplaces, mixed products, credit notes, and refunds are supported out of the box.
API docs for calculations
Track sales volume against VAT / GST thresholds in every supported country and know exactly when registration is required.
Get notified as you approach country-specific thresholds so nothing sneaks up on you.
See exactly what each jurisdiction requires to stay compliant.
Sales from every channel are aggregated so you always know your global position.
Remove the guesswork from setting up VAT/GST in new countries.
Step-by-step guidance for obtaining tax IDs.
All VAT/GST numbers organized and tracked in one place.
Minimize administrative lag so selling into new regions doesn’t wait on paperwork.
Coordinate all international VAT/GST reporting from a single system — purpose-built for busy finance teams.
File returns in supported countries without jumping between portals.
Transaction data is normalized and return-ready, regardless of local format rules.
See filing status and obligations across countries at a glance — no spreadsheets, no portal chasing.
Our team includes former state auditors and industry veterans. When a complex question comes up — a new SKU, marketplace change, or drop-shipping scenario — you’ll get a fast, clear answer from someone who’s handled it before.
You guys actually know what to do when it comes to tax.
Molli Gorrell
Operations Manager, Teal
Integrations
Connect to leading ERP, billing, and e-commerce platforms — and support custom tech stacks via our API.
Still have questions? Call us at 1-866-438-9267
or email us at support@zamp.com.
Your entity retains legal liability. Zamp prepares the returns, and depending on your preference, we either provide them for your signature or file on your behalf as your authorized agent or Fiscal Representative.
We provide full audit defense, not just data dumps. We instantly retrieve the specific transaction-level evidence and calculation logs to substantiate every line item, and we draft responses to help you manage tax authority inquiries.
Yes, you retain full policy control. We operate on a “review-first” workflow where your team receives drafts to audit, query, or manually override before granting final approval for submission.
Yes, we maintain a forensic audit trail. For every single transaction, we log the specific tax rule, rate version, and location evidence used at that exact moment, ensuring you can defend the decision years later.
We prioritize the month-end close. We integrate directly with major ERPs (NetSuite, SAP, etc.) and provide granular reconciliation reports that highlight variances between your GL and our tax calculations.
Yes, we optimize your Net VAT position. We validate vendor invoices against local deductibility rules to offset recoverable Input VAT against your liability, ensuring efficient cash flow.
