Cognizant's revenue for the December quarter rose by 14.2% year-on-year to $4.8 billion, its highest-ever quarterly revenue. For the full year 2021, Cognizant reported a 10% year-on-year growth in revenue to $18.5 billion. It expects its full-year 2022 revenue to grow 8.5-11.5% in constant currency to $20-20.5 billion, its highest-ever annual revenue outlook.