Tata Group, privately owned conglomerate of nearly 100 companies encompassing several primary business sectors: chemicals, consumer products, energy, engineering, information systems, materials, and services. Headquarters are in Mumbai.

The Tata Group was founded as a private trading firm in 1868 by entrepreneur and philanthropist Jamsetji Nusserwanji Tata. In 1902 the group incorporated the Indian Hotels Company to commission the Taj Mahal Palace & Tower, the first luxury hotel in India, which opened the following year.

After Jamsetji’s death in 1904, his son Sir Dorab Tata took over as chair of the Tata Group. Under Dorab’s leadership the group quickly diversified, venturing into a vast array of new industries, including steel (1907), electricity (1910), education (1911), consumer goods (1917), and aviation (1932).

Each Tata company operates independently under the guidance and supervision of its own board of directors and shareholders.

Significant Tata companies and subsidiaries include Tata Chemicals, Tata Communications, Tata Consultancy Services, Tata Consumer Products, Tata Elxsi, Tata Motors, Tata Power, Tata Steel, Voltas, Tata Cliq, Titan, Trent (Westside), Indian Hotels Company Limited, TajAir, TATA AutoComp systems Ltd, Vistara, Cromā and Indicash.

According to Statista, The Tata Group of companies was the most valuable brand in India with a value of almost 20 billion U.S. dollars in 2020. 

According statista; en.wikipedia and britannica.com