
Technology firm for web design, custom software, digital marketing and managed IT, now part of Vertikal6
Canadian market research agency in Montreal and Toronto running surveys, focus groups and brand studies

Working from two Canadian offices, in Montreal and Toronto, Callosum is a market research agency covering every stage of a study. It uses surveys, focus groups and other methods to help organisations understand their audiences, and says it has completed about 1,200 studies since 2012.
Callosum works with brands, advertising agencies, public bodies, schools and colleges, and healthcare marketers who need views from patients and health professionals. It reports having served around 270 clients in 30 industries.
Profile written by TrustList from the business's own published information, Sep 2026.
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