TCS

India's largest IT services company (Tata Group). 600K+ employees. First OpenAI data center partner in India. Revenue USD 29B+.

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About

Tata Consultancy Services (TCS) is India's largest IT services company and a subsidiary of the Tata Group. With 600,000+ employees and USD 29B+ in annual revenue, TCS is a global leader in IT consulting, business solutions, and digital transformation. In February 2026, TCS became OpenAI's first data center partner in India, providing 100MW capacity (scalable to 1GW) at its facilities. TCS is also deploying ChatGPT Enterprise across Tata Group operations. The company serves clients across banking, insurance, healthcare, manufacturing, and telecom in 150+ countries.

Financial History

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Leadership Team

Key people at TCS.