The company is the fifth-largest operator of fast food restaurants in the world after Subway, McDonald's Corporation, Starbucks and Yum!

The 2014 merger focused primarily on expanding the international reach of the Tim Hortons brand and providing financial efficiencies for both companies.

In March 2023, Joshua Kobza was named the CEO of Restaurant Brands International, replacing Jose Cil, who had held the role since 2019.

Due to its iconic status in Canadian culture, CEO Marc Caira reassured the integrity of Tim Hortons following the purchase, stating that the acquisition would "enable us to move more quickly and efficiently to bring Tim Hortons' iconic Canadian brand to a new global customer base".

[11][12][7][9] 3G Capital co-founder Alex Behring denied that the merger was tax-related, stating that it was "fundamentally about growth and creating value through accelerated expansion".

[14] The deal was approved by Minister of Industry James Moore on December 4, 2014; the two companies agreed to conditions, requiring that the Burger King and Tim Hortons chains retain separate operations, not combine locations in Canada and the United States, maintain "significant employment levels" at the Oakville headquarters, and ensure that Canadians make up at least 30% of Tim Hortons' board of directors.

[15] Tim Hortons shareholders approved the merger on December 9, 2014; the same day, it was announced that the new holding company would be known as Restaurant Brands International, and trade under the ticker symbol QSR.