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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IndustryAI
HQCanada
Matches1,264

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

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

1
National Research Council Canada / Conseil national de recherches Canada· Canada
The National Research Council of Canada (NRC) is the Government of Canada's largest research and technology organization. Working with our partners, we're delivering a national platform for innovation. We conduct research, support small and medium-sized companies to help them scale up and compete and we connect Canadian innovators to leading R&D capabilities. We also enable cross-sector partnership and collaboration here at home.Terms of use: https://nrc.canada.ca/en/corporate/contact-us/stay-connected*********************************************************Le Conseil national de recherches Canada (CNRC) est la plus grande organisation de recherche et de technologie du gouvernement du Canada. Nous fournissons, en collaboration avec nos partenaires, une plateforme nationale pour l'innovation. Nous faisons de la recherche, nous soutenons les PME pour les aider à prendre de l'expansion et à être concurrentielles. Nous mettons les innovateurs canadiens en contact avec des capacités de R D de pointe et favorisons également les partenariats et la collaboration intersectoriels ici au pays.Conditions d'utilisation : https://nrc.canada.ca/fr/organisation/contactez-nous/restez-branches
- 4.7k employees
- Founded 1916
2
Canadian Nuclear Laboratories· Chalk River, Ontario, Canada
Canada's premier nuclear science and technology organization.CNL develops peaceful and innovative applications from nuclear technology through its expertise in physics, metallurgy, chemistry, biology and engineering. Highly skilled employees enthusiastically deliver a range of nuclear services ranging from research and development, design and engineering to specialized technology, waste management and decommissioning.Canadian Nuclear Laboratories is actively working to strengthen existing relationships and forge new ones with government, with industry, and with academia.https://www.youtube.com/watch?v=3HWf13MTqFM
- 2.3k employees
- Founded 2014
3
Altasciences· Laval, Quebec, Canada
Outsourcing made easy with a one-stop solution to early-phase drug development. We are an integrated drug development solution company, offering pharmaceutical and biotechnology companies a proven, flexible approach that removes the need for multiple service providers during the early stages of drug development. Whether for one study or an end-to-end program, we help you reach critical decision-making milestones sooner by improving speed and ease from lead candidate selection to clinical proof of concept, and beyond. When partnering with Altasciences, you can experience up to 40% in time savings thanks to our integrated, one-stop solution offering. We strive to create a true partnership with our clients, our partners, and our colleagues that enables a mutually supporting relationship built on a combination of excellent science and solid communication. Helping sponsors get better drugs to the people who need them, faster, for over 30 years.Our full-service offering is always tailored to your specific research needs:-Preclinical research -Clinical pharmacology-Drug formulation -Manufacturing and analytical services -Bioanalysis -Program management -Medical writing -Biostatics -Data management -And so much more!
- 1.9k employees
- Founded 1995
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4
STEMCELL Technologies· Vancouver, British Columbia, Canada
STEMCELL Technologies is a Canadian biotechnology company that helps power leading-edge life science research around the world. Driven by our love of science and passion for quality, we are Scientists Helping Scientists—standing by our customers to provide the outstanding products, technical support, and training they need to advance their research. Scientists performing stem cell, immunology, cancer, regenerative medicine, and cellular therapy research are among those who rely on our cell culture media, cell separation products, instruments, accessory products, and services. Since the launch of the company by Dr. Allen Eaves in 1993, STEMCELL has reinvested all profits back into the research and development of products to better support the international research community. Today, STEMCELL is the largest biotech company in Canada, with over 2000 employees globally, most with scientific or engineering degrees. Through our many regional offices, as well as our distribution centers in Vancouver, Seattle, Grenoble, and Singapore, we deliver our innovative, specialized products to more than 70 countries. At STEMCELL, we are dedicated to improving lives through advancing knowledge and scientific discovery, through our commitment to fostering diversity and inclusion in STEM and the life sciences industry, and through our investments in sustainability, community, and social responsibility. We do all this because we love science as much as you do.#ScientistsHelpingScientists
- Grant
- 1.8k employees
- Founded 1993
5
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

6
RI-MUHC | Research Institute of the MUHC | #rimuhc· Montreal, Quebec, Canada
The Research Institute of the McGill University Health Centre (The Institute)brings together pediatric and adult research programs, accelerating the translation of biomedical research to improve human health.
- 1.1k employees
7
Ottawa Hospital Research Institute· Ottawa, Ontario, Canada
The Ottawa Hospital Research Institute is the research arm of The Ottawa Hospital – one of Canada’s largest learning and research hospitals. Our research spans more than a hundred different diseases, conditions and specialties with an overall focus on translating discoveries and knowledge into better health. We are proudly affiliated with the University of Ottawa and supported by The Ottawa Hospital Foundation.
- 985 employees
- Founded 2001
8
TRIUMF· Vancouver, British Columbia, Canada
Established in 1968 in Vancouver, TRIUMF is Canada’s particle accelerator centre. The lab is a hub for discovery and innovation inspired by a half-century of ingenuity in answering some of nature's most challenging questions. From the hunt for the smallest particles in the universe to the development of new technologies, TRIUMF is pushing frontiers in research, while training the next generation of leaders in science, medicine, and business. Powered by its complement of top talent and advanced accelerator infrastructure, TRIUMF is pushing the frontiers in isotope science and innovation, as well as technologies to address fundamental and applied problems in particle and nuclear physics, and the materials and life sciences. In collaboration with Canadian universities from coast to coast, TRIUMF's diverse community of nearly 600 multidisciplinary researchers, engineers, technicians, tradespeople, staff, and students create a unique incubator for Canadian excellence, as well as a portal to premier global collaborations. Our passion for understanding everything from the nature of the nucleus to the creation of the cosmos sparks imagination, inspiration, improved health, economic opportunity, and a better world for all. From its diversity, cutting-edge research, and world-class facilities, to its competitive benefits package and stunning location, TRIUMF is a great place to work.
- Grant
- 767 employees
- Founded 1968
9
CellCarta· Montreal, Quebec, Canada
As a global leader in precision medicine testing services, we partner with our clients to address the most complex biomarker and bioanalytical challenges and deliver highly customized testing solutions. With facilities located in Canada, United States, Belgium, Australia and China, CellCarta provides the expertise needed locally to support global clinical trials. CellCarta offers access to integrated analytical platforms in immunology (immune monitoring), histopathology, proteomics and genomics, as well as digital pathology/AI and sample management, logistics and kitting services.At CellCarta we are experts at assessing the immune system, whether in the context of oncology, infectious diseases, or autoimmune diseases. With a proven track record in other therapeutic areas as, such as neurological and metabolic disorders, we handle all human biological specimens and deploy relevant technologies to extract valuable information for research and diagnostic applications. We provide assay development and testing services to support a wide variety of translational research, clinical trials, and diagnostic applications.Reflecting our commitment to quality, our sites hold the appropriate accreditations to support your regulatory requirements, including CAP, CLIA, ISO15189, ISO27001 and ISO13485.
- 757 employees
- Founded 2002
10
Mitacs· Vancouver, British Columbia, Canada
For over 25 years, Mitacs has helped grow the economy and develop the workforce of tomorrow, connecting industry with academia and global partners to solve real-world challenges. We support business-academic research collaboration through internships, co-funded with businesses, for undergraduate to graduate students and post-doctoral fellows. As a national innovation connector, Mitacs takes a talent-first approach to strengthen innovation capacity and drive global competitiveness. We serve as an essential research-commercialization bridge, accelerating market entry and growth for new products and services. This is a critical time for Canada to think big and take bold action. Mitacs is ready to help build a strong and resilient Canadian economy, powered by ideas, talent and innovation. ____Depuis plus de 25 ans, Mitacs contribue à la croissance de l’économie et au développement de la main-d’œuvre de l’avenir en créant des liens entre le secteur privé, le milieu postsecondaire et des partenaires internationaux pour résoudre des problèmes concrets. Nous appuyons la collaboration en recherche entre le milieu postsecondaire et le secteur privé grâce à des stages cofinancés par les entreprises partenaires et destinés aux étudiantes et étudiants du premier cycle et des cycles supérieurs, ainsi qu’aux chercheurs et chercheuses au postdoctorat. Intermédiaire national de l’innovation au Canada, Mitacs adopte une approche axée sur les talents pour développer les capacités d’innovation et renforcer la compétitivité du pays sur la scène mondiale. Nous servons de passerelle essentielle entre la recherche et la commercialisation, accélérant l’entrée sur le marché et la croissance de nouveaux produits et services. C’est un moment crucial pour que le Canada pense en grand et prenne des mesures audacieuses. Mitacs est prêt à contribuer à bâtir une économie canadienne forte et résiliente, portée par les idées, le talent et l’innovation.
- Grant
- 710 employees
- Founded 1999

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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 1,264 matching companies in Refolk’s index, this is a good map of where the AI talent in Canada lives - 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.

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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: Fri, 07 Aug 2026 22:32:10 GMT

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