Instant compliance. Everywhere.
Trusted by global companies
No guesswork. No risks. Zero delays. With smart search, fuzzy matching and batch support, Lookup is your fastest route to clean, verified tax ID data you can trust.
Verify VAT, GST and other tax IDs instantly
Check data across 115+ different countries
Easy to integrate with existing systems via API
Stop tax compliance becoming a blocker to global expansion
What is it?
One tool. Zero panic. Fonoa Lookup is the only validation engine that checks tax IDs at over 115 government sources. In real time and at scale.
How it works?
Verify Tax IDs instantly, globally.
Tax ID truth in real time
Confirm VAT and GST numbers – and more – with live data straight from the source.
115 countries from one API
Our API-first design integrates seamlessly with existing workflows: checkout, onboarding, invoicing and more.
Deeper data, delivered instantly
See the full picture – every validation comes with registered business name, address and metadata.
Tackles 50,000 records before lunch
Fast and accurate bulk validation – with multiple concurrent batches supported.
Not just format checks, real checks
Real-time validation via direct API or user interface to local government databases worldwide.
Smart matching, smarter searching
Search by name. Use fuzzy matching to catch typos and inconsistencies. Clean and standardize formats with any structural issues instantly flagged.
Client testimonial
Don’t just take our word for it.
Why companies around the world prefer Fonoa.
"The whole landscape is shifting heavily. It’s no longer possible to ensure invoicing compliance after a transaction. You have to do it instantly."
Lookup in numbers
Lookup, in numbers.
Countries covered
via live connections to government systems
Records validated
per bulk upload, with multiple batches processed in parallel
Single API
for global tax ID validation, batch-ready and lightning fast
Maintenance required
Fonoa manages all gov-level integrations
Ready? Let’s get to work.
Use case
What Lookup solves
On-board customers and suppliers
Confirm tax registration and get compliant from day one.
Pre-check IDs before invoicing
Catch errors before they become audit risks.
Clean up legacy or third-party data
Enrich or correct large datasets at scale.
AI for Tax Teams: What Meta and Amazon Do Differently
Join Meta and Amazon experts on 31 July at 3 pm BST to explore how tax and finance leaders are integrating AI with a compliance-first mindset. Learn real-world AI strategies, governance techniques, ROI frameworks, and implementation tips tailored for global tax teams.
Who’s Lookup for? Everyone who touches tax.
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