Changes

| 1868 || || Founding || After a maiden voyage to {{w|England}} and having begun to understand what he saw as significant opportunities for Indian participation in a British-dominated textiles industry<ref name="India as a Model for Global Development"/>, 29-year-old [[w:Jamsetji Nusserwanji Tata|Jamsetji]] starts the business as a private trading company with a capital of ₹21,000.<ref name="Tata Group">{{cite web |title=Tata Group |url=https://www.britannica.com/topic/Tata-Group |website=britannica.com |accessdate=17 September 2019}}</ref><ref name="The Complete Story">{{cite web |title=Our Timeline: The Complete Story, Tata group |url=https://www.tata.com/about-us/tata-group-our-heritage/Our-Timeline |website=tata.com |accessdate=18 September 2019}}</ref><ref name="A brief history of the Tata Group">{{cite web |title=A brief history of the Tata Group |url=https://blog.ipleaders.in/brief-history-tata-group/ |website=blog.ipleaders.in |accessdate=18 September 2019}}</ref> || {{w|Trading}} ||

| 1869 || || Early development || [[w:Jamsetji Nusserwanji Tata|Jamsetji]] moves into textiles, acquiring in {{w|Chinchpokli}} a bankrupt oil mill in the industrial heart of {{w|Bombay}}. Later on the property would be converted into the cotton mill and renamed as Alexandra Mill.<ref name="A brief history of the Tata Group"/><ref name="India as a Model for Global Development"/> || {{w|Textiles}} ||

| 1871 || || Early development || [[w:Jamsetji Nusserwanji Tata|Jamsetji]] sells Alexandra Mill for a significant profit to a local cotton merchant.<ref name="A brief history of the Tata Group"/><ref name="India as a Model for Global Development"/> || {{w|Textiles}} ||

| 1874 || || Early development || [[w:Jamsetji Nusserwanji Tata|Jamsetji]] establishes a textile mill in {{w|Nagpur}}, choosing this city over {{w|Bombay}}, the Indian textile hub. The Empress Mills experiment would prove to be very successful.<ref name="The Complete Story"/><ref name="A brief history of the Tata Group"/> || {{w|Textiles}} ||

| 1877 || || Early development || [[w:Jamsetji Nusserwanji Tata|Jamsetji]] establishes Empress Mills, the oldest and the largest composite textile mill in India.<ref>{{cite web |title=Empress of India: Oldest mill sold for Rs 35 crore |url=https://economictimes.indiatimes.com/empress-of-india-oldest-mill-sold-for-rs-35-crore/articleshow/1161617.cms |website=economictimes.indiatimes.com |accessdate=18 October 2019}}</ref><ref name="Tata Group history is">{{cite web |last1=Tyagi |first1=Rachna |title=Tata Group history is also the history of Indian industry |url=https://www.theweek.in/theweek/cover/2018/10/05/tata-group-history-is-also-the-history-of-indian-industry.html |website=theweek.in |accessdate=18 September 2019}}</ref> || {{w|Textiles}} ||

| 1892 || || Education || [[w:Jamsetji Nusserwanji Tata|Jamsetji]] establishes the JN Tata Endowment Fund with the purpose to help Indian students pursue higher studies abroad.<ref name="The Complete Story"/> || Education ||

| 1898 || || Early development || [[w:Jamsetji Nusserwanji Tata|Jamsetji]] opens the Hotel Taj in {{w|Mumbai}}, the first hotel of such standard in India, with German fans and English butlers. This lays the foundation of a multimillionaire venture known to be as [[w:Taj Hotels|Taj Group]] of hotels.<ref name="A brief history of the Tata Group"/> || {{w|Lodging}} || {{w|Taj Hotels}}

| 1902 || || Subsidiary || The Indian Hotels Company is incorporated to commission the [[w:The Taj Mahal Palace Hotel|Taj Mahal Palace & Tower]], the first luxury hotel in India.<ref name="Tata Group"/> || {{w|Lodging}} || {{w|Taj Hotels}}

| 1903 || December 16 || Subsidiary || {{w|The Taj Mahal Palace Hotel}} opens as the first luxury hotel in India.<ref name="Tata Group"/><ref name="The Complete Story"/> It becomes also the first [[w:Taj Hotels|Taj Hotel]], which would develop as a chain of luxury hotels. || {{w|Lodging}} || {{w|Taj Hotels}}

| 1907 || August 26 || Subsidiary || Fulfilling the dream of [[w:Jamsetji Tata|Jamshedji]], {{w|Dorabji Tata}} establishes the Tata Iron and Steel company (TISCO) (later known as {{w|Tata Steel}}) in {{w|Sakchi}}, and builds a hospital for the village.<ref name="Tata Group"/><ref name="The Complete Story"/><ref name="Tata Group history is"/><ref name="A brief history of the Tata Group"/> || {{w|Steel}} || {{w|Tata Steel}}

| 1910 || || Subsidiary || Tata Group diversifies into electricity<ref name="Tata Group"/>, establishing Western India's first hydropower plant. {{w|Tata Power}} is established.<ref name="The Complete Story"/><ref name="Tata Group history is"/> || {{w|Electric power}} ||

| 1911 || || Education || The first batch of students is admitted to the {{w|Indian Institute of Science}}.<ref name="The Complete Story"/><ref name="Tata Group"/> || Education ||

| 1912 || || Research Funding || Sir {{w|Ratanji Dadabhoy Tata}} funds research into the causes of widespread poverty in India at the University of London.<ref name="The Complete Story"/> || Research ||

| 1917 || || Subsidiary || Tata Group diversifies into consumer goods with the opening of Tata Oil Mills Co (TOMCO), known for popular soap brands, Hamam and Moti. It would be sold to Hindustan Lever in 1984.<ref name="The Complete Story"/><ref name="Tata Group"/>|| {{w|Consumer goods}} || {{w|Tata Oil Mills Company}}

| 1917 || || || {{w|Tata Sons}} is registered as a private limited company.<ref name="A brief history of the Tata Group"/>|| ||

| 1919 || September 18 || Subsidiary || {{w|Tata Power}} is founded by {{w|Dorabji Tata}}.<ref>{{cite web |title=The Power of Dreams |url=https://www.tata.com/newsroom/the-power-of-dreams-tata-power |website=tata.com |accessdate=20 September 2019}}</ref> || {{w|Electric power}} | |{{w|Tata Power}}

| 1920 || || Sport Funding || India sends its first Olympic team to the [[w:1920 Summer Olympics|games in Antwerp]], largely due to {{w|Dorabji Tata}} efforts. In 1924, he finances the Indian team headed to the [[w:1924 Summer Olympics|Paris Summer Olympics]].<ref name="The Complete Story"/> || Sport ||

| 1922 || || Subsidiary || {{w|Tata Coffee}} is founded.<ref>{{cite web |title=Tata Coffee |url=https://tatacoffee.com/ |website=tatacoffee.com |accessdate=20 September 2019}}</ref> || {{w|Cofee}} || {{w|Tata Coffee}}

| 1939 || || Growth || As of date, [[w:Tata Steel|Tata Iron and Steel Company]] operates the largest steel plant in the {{w|British Empire}}.<ref name="A brief history of the Tata Group"/> || {{w|Steel}} || {{w|Tata Steel}}

| 1939 || || Subsidiary || {{w|J. R. D. Tata}} establishes {{w|Tata Chemicals}} in {{w|Mithapur}}, {{w|Gujarat}}.<ref>{{cite web |title=Company profile |url=https://www.tatachemicals.com/about-us/company-profile |website=tatachemicals.com |accessdate=18 September 2019}}</ref><ref name="Tata Group history is"/><ref name="Tata Group"/><ref name="The Complete Story"/> || [[w:Chemical industry|Chemicals]] || {{w|Tata Chemicals}}