OYO is a hotel aggregator founded by 19-year old Ritesh Agarwal that partners with hotels to provide standardized, low-cost accommodations. It makes money by collecting fees from partner hotels for services like branding, customer service, and reservations. OYO uses technology and data analytics to improve the customer experience and drive business growth. It has expanded rapidly to become one of the largest hotel chains globally with over 270,000 rooms across 500+ Indian cities.