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Top AI companies in Canada

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

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

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

  1. 1
    National Research Council Canada / Conseil national de recherches Canada· Canada
    • 4.7k employees
    • Founded 1916
  2. 2
    Canadian Nuclear Laboratories· Chalk River, Ontario, Canada
    • 2.3k employees
    • Founded 2014
  3. 3
    Altasciences· Laval, Quebec, Canada
    • 1.9k employees
    • Founded 1995
  4. 4
    STEMCELL Technologies· Vancouver, British Columbia, Canada
    • Grant
    • 1.8k employees
    • Founded 1993
  5. 5
    DECIEM | THE ABNORMAL BEAUTY COMPANY· Toronto, Ontario, Canada
    • undisclosed
    • 1.5k employees
    • Founded 2013
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Find engineers at AI companies in Canada

Canada 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 1,239 matching companies in our index, this is a good map of where the AI talent in Canadalives - useful whether you’re recruiting, partnering, or sizing a market.

The biggest AI companies in Canada 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 Canadahiring senior staff” or “founders of AI companies in Canadawho 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 Canada 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: Tue, 23 Jun 2026 20:28:33 GMT

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