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Top AI companies in Toronto

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

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

Ranked by current headcount across AI companies headquartered in Toronto. Refreshed monthly.

  1. 1
    Politecnico di Torino· Torino, Piedmont, Italy

    The Politecnico di Torino is one of the most important universities in Europe for engineering and architecture studies, strongly committed to collaboration with industry. Politecnico is a research university that participates at the highest levels of international scientific research. Research activities, are structured in four macro-areas: Industrial Engineering; Information Technology; Management and Mathematical Engineering; Civil, Environmental, Architecture and Design Engineering.The new campus hosts the Business Research Center that provides partners with office space and laboratories for innovation and technology transfer.--Politecnico di Torino supports companies in order to develop a connection between demand and supply of employment opportunities. Our services aim to provide different activities to ease recruitment and propose employer branding activities. Our units offer customized activities to respond to your recruitment needs. Together we can identify the most efficient strategies to increase your visibility and recruit the most suitable Politecnico students for your company. For any further information, you can contact us at career.service@polito.it

    • 6.4k employees
  2. 2
    Università di Trento· Trento, Trentino-Alto Adige/Südtirol, Italy

    The University of Trento is placed in a location which has always been the connecting point between the Mediterranean world and Central Europe. It has always paid attention to joining forces and creating complementarities with Italian and foreign institutions and organizations. In little more than 50 years of history, the University has been characterized by the intense mobility of students and lecturers, aimed at a constant improvement of research and didactics. The international dimension can be considered one of the features through which the University of Trento can reach prominent positions in Italian university ranking.16,000 students, 670 people between lecturers and researchers and 500 people in the non-academic staff: these numbers reflect the situation of a University able to offer an ideal study and research environment aiming at meeting the wishes of each person. In Trento everything is within reach: libraries, university canteens, laboratories, cultural activities and specialized services.Students who decide to study at the University of Trento can enjoy the benefits of an area characterized by a high quality of life, a widespread welfare and a beautiful, natural environment where visitors can have a good time in every season.

    • 3.5k employees
    • Founded 1962
  3. 3
    DECIEM | THE ABNORMAL BEAUTY COMPANY· Toronto, Ontario, Canada

    We are a collective of disrupters and doers, of creatives and scientists, with a mission to reimagine the world of beauty. Founded and headquartered in Canada as an end-to-end beauty incubator, we have launched 15 brands to date and operate in over 59 countries. We listen to our community, and continue to look for opportunity everywhere, with people and planet in mind. We have a lot of ideas – we try, fail, and try again – and the best ones are built and bottled for you. Driven by our belief in transparency with our consumers, we’re rewriting beauty to be honest, accessible, and powerful enough to spark change.We were founded on the principle of doing everything that others don’t. Because normal gets you nowhere.We are DECIEM, The Abnormal Beauty Company.

    • undisclosed
    • 1.5k employees
    • Founded 2013
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  5. 4
    University of Turin· Torino, Piedmont, Italy

    The University of Torino is one of the most ancient and prestigious Italian Universities.It has about 70.000 students, 4.000 academic, administrative and technical staff, 1800 post-graduate and post-doctoral students and 120 buildings in different parts of Torino and in key places in Piemonte; the University of Torino can be considered as “city-within-a-city”, promoting culture and producing/creating, research, innovation, training and employment.The University of Torino is today one of the largest Italian Universities, open to an international perspective both in the field of research and training. It carries out scientific research and organizes courses in all disciplines, except Engineering and Architecture.The University of Torino has a remarkable tradition of research in traditional subjects such as history, philosophy, law, economics and medicine but it is actually branching out into modern and important sectors, such as food science, social politics, IT, performing arts and communication sciences.University libraries are more than 70 counting about two millions books: 100.000 are antique volumes. University takes a close interest in the network of local museums, on subjects ranging from Egypt to contemporary Art; moreover it runs its own media, radio, television and film production units.

    • 983 employees
  6. 5
    Fondazione Bruno Kessler - FBK· Trento, Trentino-Alto Adige/Südtirol, Italy

    Fondazione Bruno Kessler (FBK) is a research institute based in Trento (Italy) that promotes excellence in fundamental and applied research. The primary goals of FBK are the creation and dissemination of scientific knowledge as well as developing solutions that can have an impact on both the market and society.FBK counts +620 researchers and conducts studies mainly in the areas ofAIQuantum TechEcological TransitionDigital TransformationDigital AgricultureDigital HealthDigital IndustryCybersecuritySOCIAL MEDIA POLICY: http://bit.ly/FBKsmpolicy

    • 896 employees
    • Founded 1962

Find engineers at AI companies in Toronto

Toronto 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 243 matching companies in Refolk’s index, this is a good map of where the AI talent in Toronto lives - useful whether you’re recruiting, partnering, or sizing a market.

The biggest AI companies in Toronto 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 Toronto hiring senior staff” or “founders of AI companies in Toronto who 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 Toronto from public LinkedIn and Crunchbase records, ranked them by current employee count, and kept those with at least 10 employees. The list refreshes monthly.

Last refreshed: Wed, 14 Oct 2026 00:57:05 GMT

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How is this ranking built?

The list draws on the public company graph - headcount and growth signals, funding history, and recency. The criteria chips at the top show exactly which filters produced it, and the methodology section explains the ranking.

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