M/Six
- Site web
- https://www.msixagency.com/
M32 Connect
- Site web
- https://m32connect.com/
M5 the agency
- Site web
- https://m5.ca
Magazines Canada
- Site web
- https://magazinescanada.ca
Magnite
- Site web
- https://www.magnite.com/
Mars United Commerce
- Site web
- https://www.marsunited.com/
Matterkind
- Site web
- https://wearematterkind.com/
McDonald’s Canada
- Site web
- http://www.mcdonalds.ca/ca/en.html
Media Dimensions
- Site web
- https://www.mdl4d.com/
Media Experts IPG Inc.
- Site web
- http://www.mediaexperts.com/
MediaBonnet
- Site web
- https://www.mediabonnet.com
Mediabrands Canada
- Site web
- http://ipgmediabrands.com/