ブラウンGP
Following the withdrawal of Honda from the sport in December 2008, Button was left without a team for the 2009 season. In February 2009, Ross Brawn led a management buyout of Honda, creating Brawn GP and recruiting Button as a driver. Button went on to win a record-equalling six of the first seven races of the 2009 season, securing the World Drivers' Championship at the , having led on points all season; his success also helped Brawn GP to secure the World Constructors' Championship.