
About
Born in Budapest, built for Europe.
Europe’s tax and legal systems are fragmented, contradictory and always changing. We’re building the co-worker that makes working across them feel like working in one.
azta started in November 2024 with a question Márk couldn’t get answered. A tax question about his own small business — and under the same posts in accountants’ forums, completely contradictory answers. ChatGPT and Claude answered confidently, and wrongly, inventing citations along the way.
The founding insight followed: what professionals need isn’t an AI that answers — it’s a research tool that always shows which source it used. The first prototype was tested by a practising accountant, who failed it on ninety questions out of a hundred. That test became the bar: azta doesn’t ship an answer it can’t cite.
The rest is the “built for Europe” part. When investors said a Hungarian tax AI couldn’t scale, the team assembled the entire Polish tax corpus in five days — site, localization and a two-thousand-question test included — and had Polish users by Friday night. Today azta covers 28 jurisdictions, rebuilt one state at a time from the country’s own official record — Nemzeti Jogszabálytár, SAOS, Rechtspraak.nl, Gesetze im Internet — and verified continuously by people who do the job.
- legal source records in the corpus
- 3,983,968
- jurisdictions covered
- 28
- cited answers delivered
- 150,000+
- founded
- 2024
The founders
azta’s research is built and verified by practising tax advisors, lawyers and engineers — not prompt writers. The reason it’s defensible is that people who carry liability themselves decide what “right” looks like.

Márk Máté
Co-founder & CEO
Started azta at 24 after his own tax question defeated both the forums and the chatbots. Builds the product conviction-first: trust is something you can only gamble away once.

Attila Sándor
Co-founder & CRO
Márk’s former boss turned co-founder. Runs revenue and partnerships — from the professional chambers to the platforms that put azta in front of thousands of firms.

Bálint Kővári, PhD
Co-founder & Chief AI Scientist
AI researcher (HUN-REN SZTAKI, BME) in reinforcement learning and LLM systems. Built the retrieval and verification engine that makes every answer traceable to its provision.
The road so far
The founding question: contradictory forum answers, hallucinating chatbots — and the idea of research that always cites its source.
azta’s own European legal codex is assembled from official gazettes, statute by statute, version by version.
Poland built in five days for a pitch competition — the blueprint for every market entry since.
Pre-seed round closed to put more of Europe’s tax and legal corpus behind every answer.
Forbes covers the story: 14,000+ professionals, 150,000+ cited answers.
In the press
“ChatGPT didn’t know the answer — so 25-year-old Márk founded his own AI startup.”
— Forbes
Read the Forbes story