The Tata Group is an Indian multinational conglomerate, with many subsidiaries and joint venture companies. Its holding company, Tata Sons, owns the bulk of shareholding in these companies as well as the Tata trademarks, which are registered in India and several other countries. About 66% of the equity capital of Tata Sons is held by philanthropic trusts endowed by members of the Tata family. The biggest two of these trusts are the Sir Dorabji Tata Trust and Sir Ratan Tata Trust.
Notable subsidiary companies and joint ventures of the Tata Group include: