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Greek Tax Authority Uses Algorithm to Detect 8,300 Fake Invoices
Greece's tax authority used an AI algorithm to detect 8,300 fraudulent invoices worth €138 million over five months. The system flagged suspicious business transactions that were concealing tax revenue, leading to fines and ongoing audits across multiple sectors.
5 July 2025 · Ανεξάρτητη Αρχή Δημοσίων Εσόδων (ΑΑΔΕ) · Fraud, scams and manipulation
Over a five-month period, the Greek Tax Authority (ΑΑΔΕ) detected 8,300 fake invoices with a combined value of €138 million using a special algorithm that monitors business transactions.
The algorithm, combined with data from myDATA and qualitative analysis by auditors, identified significant cases of fake invoices that concealed substantial amounts of revenue and taxes.
Reported impact
The fake invoices concealed significant amounts of revenue and taxes across multiple sectors including construction, advertising, building cleaning services, women's clothing, and software trading.
Governance controls
The ΑΑΔΕ proceeded to impose the initial fines and confirm the owed taxes, and continued auditing the tax conduct of the specific companies over time.