“A single corporate registration valid in all 27 member states, with English-language filings and a unified equity structure.”
The reason American startups outscale European ones has nothing to do with talent or capital. It is the legal overhead of operating across 27 separate national company laws. EU-INC is the answer Brussels has talked about for a decade and is now actually shipping. The first generation of companies that incorporate this way will look very different from the multi-headed monsters European founders have had to build for the last twenty years.