SHIFT Inc. was founded in 2005 by Masaru Tange, who was a manufacturing process improvement consultant.

[2] In the earliest years, it was a tiny consulting company specializing in manufacturing and business process improvements.

[3] In 2009, Tange changed the company's direction from the process improvement consultancy to the software testing business.

[citation needed] The company then grew so rapidly to be listed on the Tokyo Stock Exchange Mothers market in 2014.

[4] In April 2020, it has the market capitalization of 143 billion yen ($1.3 billion), which is the largest of the listed Japanese companies specialized in software quality assurance and testing services.