How to Map French Company Director Networks: Beyond SIRENE and INPI APIs

If you do due diligence on French companies, you've probably hit the wall with the official APIs. France actually has decent open data -- SIRENE gives you company registration details, INPI RNE gives you registry filings, and data.gouv.fr has a search endpoint. But here's what none of them tell you: who the directors actually are, what other companies they run, and how the money flows between related entities.

That gap -- director network mapping -- is where manual research starts eating hours and enterprise subscriptions start eating budget.…