Samsung

Samsung was a computer company.

They had an advertisement at Piccadilly Circus in 2005. (TV: Rose)

Rose Tyler had a Samsung mobile phone in 2007 during the Battle of Canary Wharf. (TV: Doomsday)

In 2016, Tanya Adeola, a sixth former at Coal Hill Academy, had a computer made by Samsung. (TV: For Tonight We Might Die)