I believe it's a White German Shepherd. I saw the commercial yesterday during the US Open Tennis match. No guarantees. I was surprised bc I also own a white shepherd. :)
dandie dinmont is the breed of terrier the white dog is in the Ikea commercial with the little boy in time out.
Briard
boston terrier
Galgos
There are many within the United States who breed English bulldogs. This is due to the fact that it is the mascot of the United states Navy so it is a popular breed.
Jack Russell Terrier
beagle
British Shorthair
Cooper appears to be an English Bulldog.
Galgos
Treeing walker coonhound
Jack Russell Terriers