15 Largest IT Services Companies in the World

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10. TATA Consultancy Services (NES: TCS)

Revenue: $22.1 billion

Market Cap: $100.7 billion

Assets: $16 billion

Employees: 446,675

Headquarters: Mumbai, India

Tata Consultancy Services India’s top-leading IT service company. The IT company engages in a variety of technology-related businesses such as application development and maintenance, business intelligence, enterprise solutions, assurance services, engineering, and industrial services, infrastructure services, consulting, asset leveraged Solutions, and business process services. The company was founded in 1968 and over the years, Tata CS Ltd has established operations in the fields of insurance, banking, manufacturing, retail, and communication and media industries. 

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