Tax Engine calculates the correct indirect tax treatment for every transaction in real time, across 190+ jurisdictions. Sub-200ms, one data model, and built to scale with your business without rebuilding as you grow.
The right tax decision, every time
Open architecture, one data model
Tax calculation at speed
Global rules, always current
Easily configurable to your business
Built-in threshold monitoring
Full transparency
Fast to go live. Even faster to run.
Real-time tax determination across VAT, GST, and Sales Tax.
No latency impact on checkout or invoicing flows.
The same integration powers determination, e-invoicing, and returns globally.
Fonoa automatically keeps global tax logic up to date.
How teams use Tax Engine
Launching into new markets
Handles the local tax logic from day one for new jurisdictions. No rebuilding or local rule research needed. One engine, global coverage, including the US.
Handling complex transaction flows
Calculates the right treatment automatically when your product has marketplace, subscription, or cross-border complexity.
Keeping AP/AR consistent
Applies the same logic across every touchpoint from customer to supplier based on one central configuration.
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
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.
