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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.

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
    • 22.6k employees
    • Founded 1939
  2. 2
    CEA· Paris, Île-de-France, France
    • 18.9k employees
    • Founded 2003
  3. 3
    INSERM· Paris, Île-de-France, France
    • Grant
    • 7.7k employees
    • Founded 1964
  4. 4
    Pasteur Network· Paris, Île-de-France, France
    • 7.5k employees
  5. 5
    Ecole normale supérieure· Paris, Île-de-France, France
    • 6k employees
  6. 6
    INRAE· Paris, Île-de-France, France
    • 5.9k employees
    • Founded 2020
  7. 7
    SEE· Paris, Île-de-France, France
    • 3.4k employees
    • Founded 1968
  8. 8
    Paris-Pantheon-Assas University· Paris, Île-de-France, France
    • 2.5k employees
  9. 9
    Université Paris-Sorbonne· Paris, Île-de-France, France
    • 1.3k employees
    • Founded 1971
  10. 10
    EHESS - Ecole des Hautes Etudes en Sciences Sociales· Paris, Île-de-France, France
    • 1.2k employees
    • Founded 1972
  11. 11
    U.S. Army Engineer Research and Development Center (ERDC)· Vicksburg, Mississippi, United States
    • 1.1k employees
    • Founded 1999
  12. 12
    LSU AgCenter· Baton Rouge, Louisiana, United States
    • Grant
    • 791 employees
    • Founded 1988
  13. 13
    Institut du Cerveau – Paris Brain Institute· Paris, Île-de-France, France
    • Grant
    • 771 employees
    • Founded 2006
  14. 14
    LNE· Paris, Île-de-France, France
    • 713 employees
    • Founded 1901
  15. 15
    BVA· Paris, Île-de-France, France
    • 668 employees
    • Founded 1975
  16. 16
    Institut Imagine· Paris, Île-de-France, France
    • 503 employees
    • Founded 2007
  17. 17
    ARVALIS - Institut du végétal· Paris, Île-de-France, France
    • 500 employees
  18. 18
    Oktos· Paris, Île-de-France, France
    • 303 employees
    • Founded 1993
  19. 19
    Institut Cochin· Paris, Île-de-France, France
    • 302 employees
  20. 20
    Institut National de Recherche Agronomique (INRA)· Paris, Île-de-France, France
    • 297 employees
    • Founded 1946
  21. 21
    un· Paris, Île-de-France, France
    • 288 employees
  22. 22
    Institut de la Vision· Paris, Île-de-France, France
    • 270 employees
  23. 23
    Innovafeed· Paris, Île-de-France, France
    • Grant
    • 265 employees
    • Founded 2016
  24. 24
    Ifri - Institut français des relations internationales· Paris, Île-de-France, France
    • 263 employees
    • Founded 1979
  25. 25
    Women in AI· Paris, Île-de-France, France
    • 254 employees
    • Founded 2016

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 411 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: Thu, 07 May 2026 06:16:53 GMT

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