How it started
1968–2000
Tata Consultancy Services Limited, originally known as Tata Computer Systems, was established in 1968 by Tata Sons Limited. The company's initial contracts involved providing punched card services to its sister company TISCO (now Tata Steel), developing an Inter-Branch Reconciliation System for the Central Bank of India, and offering bureau services to the Unit Trust of India.
In 1975, TCS implemented an electronic depository and trading system named SECOM for Swiss company SIS SegaInterSettle. It also developed System X for the Canadian Depository System and automated the Johannesburg Stock Exchange. TCS also partnered with the Swiss firm TKS Teknosoft, which it later acquired.
In 1980, TCS established India's first dedicated software research and development centre, the Tata Research Development and Design Centre (TRDDC), located in Pune. The following year, it created India's first client-dedicated offshore development centre, established for Tandem.
Anticipating the Y2K bug and the introduction of the unified European currency (Euro), Tata Consultancy Services developed a factory model for Y2K conversion. The company also created software tools to automate the conversion process and facilitate implementation by third-party developers and clients. In late 1999, TCS introduced Decision Support System (DSS) solutions to the domestic market. In 1999, the company also registered its first tagline, "Beyond the Obvious."
2001–2019
From Wikipedia’s article on Tata Consultancy Services, shared under CC BY-SA 4.0.2