Tata Steel Limited is an Indian multinational steel-making company, is headquartered in Mumbai, Maharashtra, with its primary operations based in Jamshedpur, Jharkhand.

It is one of the world's most geographically diversified steel producers, with operations and commercial presence spanning multiple regions worldwide.

The group (excluding SEA operations) recorded a consolidated turnover of US$31 billion in the financial year ending 31 March 2023.

TISCO started pig iron production in 1911 and began producing steel in 1912 as a branch of Jamsetji's Tata Group.

[17] In July 2019, Tata Steel Kalinganagar (TSK) was included in the list of the World Economic Forum's (WEF) Global Lighthouse Network.

[21] Tata Steel was among the first Indian companies to provide various labour welfare benefits, such as eight-hour workdays since 1912, free medical care since 1915, school facilities for the children of employees since 1917, paid time off since 1920, the formation of a provident fund and accident compensation in 1920, vocational training since 1921, maternity benefits since 1928, profit sharing bonuses since 1934, and retiring gratuity since 1937.

[22] Tata Steel was listed amongst India's "Best Workplaces in Manufacturing" by Great Place to Work for the fifth time in 2022.

[31] On 19 November 2006, the Brazilian steel company Companhia Siderúrgica Nacional (CSN) launched a counter offer for Corus at 475 pence per share, valuing it at £4.5 billion.

[31] Tayo Rolls in 2008, formerly Tata-Yodogawa Limited is a metal fabrication and processing company headquartered in Jamshedpur, India.

Due to undersubscription, the promoters acquired them, and as a result, Tayo Rolls became a Tata Steel Subsidiary.

[48] Tata Steel primarily serves customers in the automotive, construction, consumer goods, engineering, packaging, lifting and excavating, energy and power, aerospace, shipbuilding, rail, and defence and security sectors.

[50][51] In 2015, Tata Steel was looking to sell its facilities in Port Talbot, Hartlepool, Rotherham, and Stocksbridge, which was put on hold due to Brexit.

In April 2016, Tata Steel's Long Products Europe Division located in Scunthorpe, England was sold to Greybull Capital LLP.

[55] In September 2017, ThyssenKrupp of Germany and Tata Steel announced plans to combine their European steel-making businesses.

The deal will structure the European assets as Thyssenkrupp Tata Steel, an equal joint venture.

The announcement estimated that the company would be Europe's second-largest steelmaker, and listed future headquarters in Amsterdam.

Later in July media houses reported that the company has proposed to give away 50% of its stake in Port Talbot Steelworks to the UK Government in return for capital injections amounting to £900 million.

[62] In November 2020, SSAB of Sweden announced its intention to buy Tata Steel's unit in IJmuiden, Netherlands.

[66] In January 2019, citing debt issues and consistent losses, Tata Steel decided to sell a 70 percent stake in its S.E.

Asia business (NatSteel and Tata Steel Thailand) to China's state-owned HBIS Group for $327 million.

[79][80] Mjunction, a Tata Steel and SAIL joint venture, India's Largest B2B E-Commerce company.

Founded in February 2001, it is today not only India's largest eCommerce company (having eTransacted worth over Rs.

[85][86] In January 1920, the Burmah Oil and The Tata Iron & Steel Company (TISCO) jointly incorporated The Tinplate Company of India Limited (TCIL) to cater to the demand for tinplate that arose following World War I. Burmah contributed two-thirds of the starting capital and Tata the remainder.

[88] With the outbreak of World War II, TCIL diversified into the manufacturing of un-tinned black plates used in Jettison tanks for the Royal Air Force.

[citation needed] TCIL entered into an agreement with Wean United Canada to switch to the Electrolytic Tinning Process.

In 1973, an Electrolytic Tinning Line was commissioned with a capacity of 90,000 tonnes per annum to produce tinplate and tin-free steel.

In 2005, a printing and lacquering line was introduced as part of a forward integration to reduce supply chain inefficiencies.

[92] Tata Steel Group reported Total CO2e emissions (Direct + Indirect) for 31 March 2021 at 25,790 Kt (−1,820 /-6.6% y-o-y).