
SaaS · Zagreb
Fonoa
Fonoa is an API-native, AI-first Tax Operating System serving major tech and commerce companies across 120+ countries, enabling rapid tax compliance deployment in weeks versus legacy competitors' months.
Backed by Headline, Coatue, Eurazeo and 4 more
Work at Fonoa?
- Locations
- City of Zagreb+5
- Also London, New York, San Francisco, Sydney, Remote
- Team size
- 201-500
- Founded 2018
- Total raised
- $220M
- Series C · last round May '26
- Salary range
- $150–200k
- + equity · 5 of 16 roles
- Open roles
- 16
Open positions · 16
About Fonoa
Fonoa is a Tax Operating System for autonomous tax built as an API-native and AI-first platform from the ground up. Founded in 2019, the company operates across 120+ countries and serves some of the world's largest technology and commerce companies, including Canva, Netflix, Spotify, Uber, Zoom, Booking.com, Meta, Apple, Google, TikTok, Microsoft, Salesforce, and Scale AI. Fonoa enables clients to go live in weeks or days, significantly outpacing legacy competitors like Avalara, Vertex, Sovos, and Thomson Reuters. The platform has earned strong recognition, with ratings of 4.5/5 stars and High Performer status on G2, as well as 4.6/5 stars on Gartner Peer Insights.
Funding
$220Mtotal raised
- May 2026 · Series C$110M
- Jul 2022 · Series B$60M
- Nov 2021 · EquityIndex Ventures, OMERS Ventures, FJ Labs$25M
- Nov 2021 · Series A$20.5M
- Headline

- Coatue

- Eurazeo

- Index Ventures

- OMERS

- FJ Labs

- OMERS Ventures

The team at Fonoa
201-500 peopleSee everyone on LinkedIn
Location
Team Composition
231 people- Engineering and Technical5 senior77
- Sales7 senior63
- Finance & Accounting3 senior21
- Human Resources3 senior14
- Customer Service9
- General Management8 senior9
- Product2 senior9
- Operations8
Life at Fonoa
Frequently asked questions
Of 16 open roles, Fonoa has 1 remote, 13 hybrid, 2 on-site positions.
Fonoa is based in San Francisco, New York, London.
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