EachTatacompany or enterprise operates independently under the guidance and supervision of its own board of directors. There are 26 publicly listedTatacompanies with an aggregate market capitalisation of more than $328 billion as on March 31,2025. About Us TheTatagroup About theTataGroupTataSons Values and PurposeTataCode of Conduct Heritage TataDoesn't Always Mean Goodbye, Part One The first of a two-part heritage series chronicling the Tatas' aviation journey since 1918... There are 26 publicly listedTatacompanies with an aggregate market capitalisation of more than $328 billion as on March 31,2025. Browse a list ofTatacompanies below.