Tata Consultancy Services is an Indian multinational information technology services and consulting company headquartered in Mumbai, Maharashtra, India with its largest campus located in Chennai, Tamil Nadu, India.
TCS is the largest IT services company in the world by market capitalisation.
TCS is the second largest Indian company by market capitalisation and is among the most valuable IT services brands worldwide .TCS offers a consulting-led, cognitive powered, integrated portfolio of business, technology and engineering services and solutions.