Indirect Tax Automation
Provider 
Founded 2019
Sells To Enterprise
Pricing Model B2B Subscription
Ownership Private

Fonoa is an AI-powered tax infrastructure platform that automates global indirect tax compliance across 120+ countries.
Fonoa provides an AI-powered tax infrastructure platform that connects the full indirect tax lifecycle on one unified system. Its modular solutions include global tax ID validation, real-time tax determination across 100+ jurisdictions, unified e-invoicing, automated return filing, and AI-driven compliance agents. Trusted by companies including Canva, Netflix, Spotify, Uber, Zoom, and Booking.com, Fonoa operates across 120+ countries with API-first architecture designed for global enterprises.
The platform enables finance and tax teams to manage indirect tax obligations automatically, with sub-200ms API response times, accredited government e-invoicing connections, and full audit lineage from return box to source transaction.
Taxually

EcoTax, Taxually e-invoicing
taxually.com
Avalara

Sales Tax Compliance
avalara.com
Numeral

Tax API, VAT/GST Compliance
numeral.com
Sovos

Tax Compliance
sovos.com
| Attribute | Indirect Tax Automation | EcoTax, Taxually e-invoicing | Sales Tax Compliance | Tax API, VAT/GST Compliance | Tax Compliance | |
|---|---|---|---|---|---|---|
| Provider | ||||||
| Founded | 2019 | 2018 | 2004 | 2022 | 1979 | |
| Sells To | Enterprise | — | B2B | B2B, Enterprise, Small Business | — | |
| Pricing Model | B2B Subscription | — | Subscription, Transactional | Recurring, Software, Subscription | — | |
| Ownership | Private | — | Subsidiary | Venture-backed | — |
Provider 
Founded 2019
Sells To Enterprise
Pricing Model B2B Subscription
Ownership Private
Provider 
Founded 2018
Sells To —
Pricing Model —
Ownership —
Provider 
Founded 2004
Sells To B2B
Pricing Model Subscription, Transactional
Ownership Subsidiary
Provider 
Founded 2022
Sells To B2B, Enterprise, Small Business
Pricing Model Recurring, Software, Subscription
Ownership Venture-backed
Founded 1979
Sells To —
Pricing Model —
Ownership —


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