Tata Consultancy Services was the most valuable company of the Tata Group in terms of market capitalization as of September 2025. This was valued at over **Â trillion Indian rupees. Tata Motors ranked second on the list with over *** trillion rupees during the same time. The conglomerate's Titan Company and steel business followed it.
Tata Group's beginnings
The Tata Group is one of India’s leading conglomerates with companies encompassing several business sectors like chemicals, engineering, IT, services, and energy. It was founded as a private trading firm in **** by J.N. Tata. Tata Iron and Steel, now Tata Steel, was the first company established under the conglomerate’s umbrella.
Tata’s key mergers and acquisitions
Tata Group’s international acquisitions include iconic British brands such as Tetley, Jaguar, Land Rover from Ford, and Corus Group, a leading European steel producer, to name a few. Originally owned by Tata Sons, Air India, the national carrier airline of India run by the government was reacquired by Tata in 2022. Consolidation is another theme playing across Tata Group, along with mergers across companies. For example, metal companies merged with Tata Steel. The consumer business under Tata Chemicals merged into Tata Global to form Tata Consumer Products.
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Tata Group. (September 11, 2025). Market capitalization of leading Tata Group companies as of September 2025 (in trillion Indian rupees) [Graph]. In ÌÇÐÄÆÆ½â°æ. Retrieved July 27, 2026, from /statistics/1128905/tata-group-market-capitalization-by-company/
Tata Group. "Market capitalization of leading Tata Group companies as of September 2025 (in trillion Indian rupees)." Chart. September 11, 2025. ÌÇÐÄÆÆ½â°æ. Accessed July 27, 2026. /statistics/1128905/tata-group-market-capitalization-by-company/
Tata Group. (2025). Market capitalization of leading Tata Group companies as of September 2025 (in trillion Indian rupees). ÌÇÐÄÆÆ½â°æ. ÌÇÐÄÆÆ½â°æ Inc.. Accessed: July 27, 2026. /statistics/1128905/tata-group-market-capitalization-by-company/
Tata Group. "Market Capitalization of Leading Tata Group Companies as of September 2025 (in Trillion Indian Rupees)." ÌÇÐÄÆÆ½â°æ, ÌÇÐÄÆÆ½â°æ Inc., 11 Sep 2025, /statistics/1128905/tata-group-market-capitalization-by-company/
Tata Group, Market capitalization of leading Tata Group companies as of September 2025 (in trillion Indian rupees) ÌÇÐÄÆÆ½â°æ, /statistics/1128905/tata-group-market-capitalization-by-company/ (last visited July 27, 2026)
Market capitalization of leading Tata Group companies as of September 2025 (in trillion Indian rupees) [Graph], Tata Group, September 11, 2025. [Online]. Available: /statistics/1128905/tata-group-market-capitalization-by-company/