Roku
- Website
- https://www.roku.com/en-ca/
Saatchi & Saatchi
- Website
- http://saatchi.ca/en-ca/
Samsung Ads
Score Media and Gaming
- Website
- https://www.thescore.com/
Scotiabank
Seedtag
- Website
- https://www.seedtag.com/
Sharethrough
- Website
- https://www.sharethrough.com/
Sirius XM
- Website
- https://www.siriusxm.ca
Snapchat
- Website
- https://www.snapchat.com
Sourcepoint Technologies
- Website
- https://www.sourcepoint.com/
Spark Foundry
- Website
- http://sparkfoundryww.com/