Cossette
Cossette is a fully-integrated marketing communications agency with a leading role in Canada.
+1 514-845-2727
Latest News
Sep. 01, 2026
Go.Compare Returns for a Second Year as ITV's this Morning Sponsor
Negotiated by Hearts United, the package includes deeper in-show integrations and wider cross-channel activations
Sep. 01, 2026
Omnicom Media Officially Launches Hearts United
New agency brings together OM's Hearts & Science and Mediahub to create a new 40-market global network