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Top AI companies in Paris

Companies building AI products, foundation models, and applied ML platforms. Filtered to companies headquartered in Paris.

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Built from a search like: “Top AI companies in Paris”

Ranked by current headcount across AI companies headquartered in Paris. Refreshed daily.

  1. 1
    CNRS· Paris, Île-de-France, France
    • 23.1k employees
    • Founded 1939
  2. 2
    CEA· Paris, Île-de-France, France
    • 19.4k employees
    • Founded 2003
  3. 3
    INSERM· Paris, Île-de-France, France
    • Grant
    • 7.8k employees
    • Founded 1964
  4. 4
    Pasteur Network· Paris, Île-de-France, France
    • 7.7k employees
  5. 5
    Ecole normale supérieure· Paris, Île-de-France, France
    • 6.1k employees
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Find engineers at AI companies in Paris

Paris has long been a hub for AI, and the list above ranks the largest AI companies headquartered there by current headcount, drawn from public LinkedIn and Crunchbase records. With 423 matching companies in our index, this is a good map of where the AI talent in Parislives - useful whether you’re recruiting, partnering, or sizing a market.

The biggest AI companies in Paris tend to be the gravitational centres for specialised talent - senior engineers, ML researchers, applied scientists, designers - while the smaller ones compete on speed, equity, and proximity to founders.

Refolk converts this list into a live search. Ask for “AI engineers in Parishiring senior staff” or “founders of AI companies in Pariswho left in the last 12 months” and Refolk returns a ranked shortlist with the evidence that earned each person a spot.

How this list is built

Refolk pulled AI companies headquartered in Paris from public LinkedIn and Crunchbase records, ranked them by current employee count, and kept those with at least 10 employees. The list refreshes once a day.

Last refreshed: Sun, 21 Jun 2026 09:16:40 GMT

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