AI platform for global indirect tax
Tax infrastructure that connects the full indirect tax lifecycle on one platform. Your team sets the rules. AI handles the rest, automatically, across every jurisdiction.
Four solutions. Every indirect tax obligation. One platform.
Global tax ID validation
Real-time, 120+ countries, search by name, fuzzy matching.
Fast tax determination
VAT, GST, Sales Tax across 100+ jurisdictions. Sub-200ms. API-first, configurable without engineering escalation.
Unified e-invoicing API
One standard model across all mandates. Accredited government connections. Ultra-low rejection rates.
Automated return filing
Multi-country. Full lineage from return box to source transaction. Native e-invoicing connection.
Global tax legislation at your fingertips
Living global tax intelligence layer. Answers complex questions in minutes with cited sources.
Access and ask your tax data anything
Audit readiness from weeks to minutes. All your tax data at the push of a button.
AI-driven end-to-end tax compliance automation
AI agents execute the full compliance lifecycle. Humans supervise and approve.
Built on trust.
Measured in results.
Every customer who started 2025 with us renewed.
G2 reviewers highlighted end-to-end collaboration and availability.
G2 reviewers highlighted
response times and expertise.
Independent reviews from
verified enterprise users.
Don’t just take our word for it. Why companies around the world prefer Fonoa.
Fonoa is a core piece of indirect tax infrastructure.
36
58.8%
100%
Fonoa is one of the few platforms that truly understands digital economy businesses and supports the full indirect tax lifecycle.
90%
4
2M
When we talk about scaling, we want to automatically trigger an API to see if the tax ID is valid or not. Fonoa's API was a huge differentiator.
33%
15%
#1
Fonoa's solutions aren't just saving us time, they're helping us stay ahead of regulatory change, globally.
480
95+
100s
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