Bengaluru, Feb. 4 -- Cognizant Technology Solutions Corp. grew the fastest among large Indian and Indian-heritage IT services firms in calendar year 2025, reporting a 6.95% dollar revenue expansion to $21.12 billion-its best show since 2021 and a sharp turnaround from 2023, when it saw its revenue decline.

A Bloomberg poll of 26 analysts had expected it to end the year with a revenue of $21.09 billion. With this, the company also exceeded its own guidance of 6.6-6.9% full-year growth, set in October 2025.

A little over a third of its growth-higher than the 5.1% reported by HCL Technologies Ltd, the highest among the country's big five IT firms-came from the sale of products and resources, which account for about a quarter of its total r...