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Top AI companies in Zurich

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

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

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

  1. 1
    Technical University of Munich· Munich, Bavaria, Germany
    • Grant
    • 11.5k employees
  2. 2
    Fraunhofer-Gesellschaft· Munich, Bavaria, Germany
    • Series unknown
    • 3.1k employees
    • Founded 1949
  3. 3
    Tecan· Männedorf / Auf Dorf, Zurich, Switzerland
    • 2.4k employees
    • Founded 1980
  4. 4
    Helmholtz Munich· Oberschleißheim, Bavaria, Germany
    • 1.9k employees
    • Founded 1960
  5. 5
    Empa· Dübendorf, Zurich, Switzerland
    • Grant
    • 1.5k employees
  6. 6
    Bundeswehr University Munich· Neubiberg, Bavaria, Germany
    • 1.4k employees
    • Founded 1973
  7. 7
    European Southern Observatory· Garching, Bavaria, Germany
    • 936 employees
    • Founded 1962
  8. 8
    IABG· Ottobrunn, Bavaria, Germany
    • Pre-seed
    • 902 employees
    • Founded 1961
  9. 9
    Swiss Federal Institute for Forest, Snow and Landscape Research WSL· Birmensdorf (ZH), Zurich, Switzerland
    • 611 employees
  10. 10
    Eawag· Dübendorf, Zurich, Switzerland
    • 545 employees
    • Founded 1936
  11. 11
    ifo Institute – Leibniz Institute for Economic Research· Munich, Bavaria, Germany
    • 262 employees
    • Founded 1949
  12. 12
    Max Planck Institute of Quantum Optics· Garching, Bavaria, Germany
    • 233 employees
    • Founded 1981
  13. 13
    FfE· Munich, Bavaria, Germany
    • 225 employees
    • Founded 1949
  14. 14
    NanoTemper Technologies· Munich, Bavaria, Germany
    • 192 employees
    • Founded 2008
  15. 15
    Deutsches Jugendinstitut (DJI)· Munich, Bavaria, Germany
    • 186 employees
    • Founded 1963
  16. 16
    attocube systems· Haar, Bavaria, Germany
    • 185 employees
    • Founded 2001
  17. 17
    Max Planck Institute for Extraterrestrial Physics· Garching, Bavaria, Germany
    • 185 employees
    • Founded 1963
  18. 18
    Molecular Partners· Schlieren, Zurich, Switzerland
    • Post-IPO equity
    • 161 employees
    • Founded 2004
  19. 19
    FGK Clinical Research GmbH· Munich, Bavaria, Germany
    • 159 employees
    • Founded 2002
  20. 20
    Fraunhofer EMFT· Munich, Bavaria, Germany
    • 157 employees
    • Founded 1974
  21. 21
    Fraunhofer AISEC· Garching, Bavaria, Germany
    • 149 employees
    • Founded 2011
  22. 22
    Max Planck Schools· Munich, Bavaria, Germany
    • 124 employees
    • Founded 2018
  23. 23
    TUM Venture Labs· Munich, Bavaria, Germany
    • 120 employees
    • Founded 2020
  24. 24
    Max Planck Institute for Innovation and Competition· Munich, Bavaria, Germany
    • 116 employees
    • Founded 1966
  25. 25
    HeiQ· Schlieren, Zurich, Switzerland
    • Series unknown
    • 106 employees
    • Founded 2005

Find engineers at AI companies in Zurich

Zurich 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 276 matching companies in our index, this is a good map of where the AI talent in Zurichlives — useful whether you’re recruiting, partnering, or sizing a market.

The biggest AI companies in Zurich 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 Zurichhiring senior staff” or “founders of AI companies in Zurichwho 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 Zurich 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 06:15:31 GMT

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