Mukesh Ambani’s Reliance Industries Ltd came into T20 franchise cricket in 2008 by launching the Mumbai Indians. Over the years, MI has grown into one of the most successful teams in IPL history. Their early seasons were tough, but they finally got their trophy in 2011 by winning the now-discontinued Champions League T20. The real breakthrough came in 2013 when they not only clinched their first IPL title but also added another CLT20 trophy to their cabinet.

Since then, Mumbai Indians have gone on to become the most successful team in the league with five IPL titles. After winning IPL titles in 2015, 2017, 2019, and 2020, Mumbai Indians' owners, Reliance Industries Ltd (RIL), began expanding the MI franchise by launching teams in overseas leagues, starting with the ILT20 in the UAE and the SA20 in South Africa.

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The owners of MI have now also entered in the England and Wales Cricket Board's The Hundred competition by buying 49 percent stake in the Oval Invincibles, two-time champions already. MI will hope to add The Hundred also to their franchise soon. 

In 2022, Mumbai Indians introduced two new teams MI Emirates in Abu Dhabi for the ILT20 and MI Cape Town in South Africa for the SA20. A year later, they expanded further by joining the newly started Women’s Premier League (WPL) and Major League Cricket (MLC) in the USA. While they won the inaugural title of the WPL as Mumbai Indians, and MLC as MI New York, the MI franchise had to waited long time for titles in the ILT20 and the SA20 leagues. MI landed the ILT20 trophy in 2024, and completed their trophy with the SA20 title in 2025.