Tata Consultancy Services is an IT services, consulting, and business solutions firm that has been helping many of the world's leading corporations with their transformation efforts for over 50 years. It is headquartered in Mumbai, Maharashtra, with its main campus located in Chennai, Tamil Nadu.
TCS is a part of the Tata Group, which is India's largest multinational corporate conglomerate. The company has around 488,000 consultants working in 46 countries.