taxtech500 named azta a winner for the third month running — in two categories. Read the announcement →
About
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.
The story
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 20 European jurisdictions, grounded in a structured corpus of over 22 million legal documents, verified continuously by people who do the job.
The founders
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.
“The market we’re in runs on trust. And trust is something you can only gamble away once.”
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.
“Growth starts with listening — to the advisor whose Tuesday we’re trying to give back.”
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.
“Innovation happens when scientific rigor meets practical application.”
In the press
“ChatGPT didn’t know the answer — so 25-year-old Márk founded his own AI startup.”
— Forbes
Read the Forbes storyazta’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.
We’re hiring across product, engineering and tax. See open roles →