Restaurant Brands International is a Canadian multinational fast food company. Formed by the $12.5 billion merger between American fast food restaurant chain Burger King and the Canadian coffee shop and restaurant chain Tim Hortons, the company is the third-largest operator of fast food restaurants in the world. The company is based alongside Tim Hortons in Oakville, Ontario, but both chains retain their existing operations and headquarters in Oakville and Miami respectively. The merger focused primarily on expanding the international reach of the Tim Hortons brand, and providing financial efficiencies for both companies.