In short
What research has Helios contributed to?
Helios contributes the discovery and traffic analysis behind studies of illegal online gambling markets. In 2026 it carried out the site and traffic discovery for The online gambling Black Market in Europe, a study by Regulus Partners commissioned by Euromat, covering 28 European markets. Each study page below records the scope, the methodology, the key findings, what Helios contributed and where the study was covered.
Studies
- Europe's illegal online gambling market, 2026: 28 markets, 978 sites identified, an estimated 12 billion euros in net revenue in 2025
Research and development at Helios
Helios runs its own research and model development. The discovery engine, the machine learning behind it and the evidence tooling are built in-house by the Helios team, and that work feeds both the engagements and the studies on this page. What the studies publish is the market picture; the methods behind the engine stay in-house.
How Helios measures illegal gambling activity
The method behind the studies is the same one behind Helios engagements: market-by-market discovery in local languages, verification against each jurisdiction's register, grouping of sites into operators from shared signals, and audience estimates from third-party traffic data. The study page describes each step and its limitations.
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