In 2015, IHG was by far the largest hotel group in the world in terms of revenue. At 24 billion U.S. dollars, the group generated almost 10 billion U.S. dollars more than its closest competitor, Marriott International. In the following year, the IHG brand that contributed the most in gross revenue to the company was Holiday Inn Express with 6.3 billion U.S. dollars. Holiday Inn was acquired by Bass Brewery in 1990. Other brands belonging to IHG include InterContinental, the Crowne Plaza, and Staybridge Suites.
The hotel industry in the United States generated 189.5 billion U.S. dollars in 2015, and in 2016 reached an average daily rate of 123.97 U.S. dollars. In 2016, IHG contributed 993 million U.S. dollars to the hotel industry in the Americas. In the same year, the group received an American Customer Satisfaction Index score of 72 out of 100 and its loyalty program, IHG Rewards Club, was ranked third best in the world after Hilton HHonors and Marriott Rewards.