[5] There are total 29 publicly listed Tata Group companies with a combined market capitalisation of ₹33.7 trillion (US$403 billion) as of 20 August 2024.

[6] When the American Civil War caused a boom in the Bombay cotton market, Jamshedji Nusserwanji Tata and his father joined the Asiatic Banking Corporation.

He dreamed of achieving four goals: setting up an iron and steel company, a unique hotel, a world-class learning institution, and a hydroelectric plant.

Following the founder's goals, Western India's first hydro plant was brought to life, giving birth to Tata Power.

New sectors such as chemicals, technology, cosmetics, marketing, engineering, manufacturing, tea, and software services earned them recognition.

Tata Group has helped establish and finance numerous research, educational and cultural institutes in India,[21][22] and received the Carnegie Medal of Philanthropy.

This hospital, which is scheduled to open in March 2024, will be an innovative facility committed to provide modern medical care for pets, including dogs, cats, and rabbits.

The company has attracted controversy for reports of political corruption, cronyism,[36] theft,[37] mass killings,[38][39][a] and exploitation of its customers, Indian citizens,[44][45][46] and natural resources.

[47][48] The Kerala Government filed an affidavit in the high court alleging that Tata Tea had "grabbed" forest land of 3,000 acres (12 km2) at Munnar.

Tata Motors reported that these contracts to supply hardware and automobiles to Burma's military were subsequently criticised by human rights activists.

Despite the support of the Communist Party of India (Marxist) state government, Tata eventually pulled the project out of West Bengal, citing safety concerns.

[55] On 31 August 2016, in a historic judgement, the Honorable Supreme Court of India set aside the land acquisition by the West Bengal Government in 2006 that had facilitated Tata Motors' Nano plant, stating that the West Bengal government had not taken possession of the land legally, and were now required to repossess and return it to local farmers within 12 weeks without compensation.

[56] The Port of Dhamara has received significant coverage, sparking controversy in India, and in Tata's emerging global markets.

[57] The Dhamra port, an equal joint venture between Tata Steel and Larsen & Toubro, has been criticised for its proximity to the Gahirmatha Sanctuary and Bhitarkanika National Park by Indian and international organisations, including Greenpeace; Gahirmatha Beach is one of the world's largest mass nesting sites for the olive ridley turtle, and India's second largest mangrove forest, Bhitarkanika, is a designated Ramsar site, and critics claimed that the port could disrupt mass nesting at Gahirmtha beaches as well as the ecology of the Bitharkanika mangrove forest.

[58][59] Tata Steel employed mitigation measures set by the project's official advisor, the International Union for Conservation of Nature (IUCN), and the company pledged to "adopt all its recommendations without exception" when conservation organisations asserted that a thorough environmental impact analysis had not been done for the project, which had undergone changes in size and specifications since it was first proposed.

[60] In 2007, Tata Group joined forces with a Tanzanian company to build a soda ash extraction plant in Tanzania.

Filed 31 October 2014; the suit charged that "6,477 unauthorized downloads could be used to enhance Tata's competing product, Med Mantra.