Firstsource started its operations in 2001 as ICICI InfoTech Upstream Ltd, a business process outsourcing organisation wholly owned by ICICI Bank, India’s largest private financial services organisation. Its name was changed to Firstsource Solutions Limited in 2006.<ref>{{Cite news|title=ICICI OneSource is now Firstsource|work=The Economic Times|url=https://economictimes.indiatimes.com/tech/ites/icici-onesource-is-now-firstsource/articleshow/544517.cms?from=mdr|access-date=2021-11-29}}</ref> andThe same year, Firstsource opened a branch office in the Philippines.<ref name=":0" /> In 2007, it became a public company listed on the Indian Stock Exchange.<ref>{{Cite web|title=Firstsource Solutions IPO Review - Firstsource Solutions IPO Dates, Issue Price, Subscription and Allotment Status|url=https://economictimes.indiatimes.com/firstsource-solutions-ltd/ipos/companyid-99.cms|access-date=2021-11-29|website=The Economic Times}}</ref>
=== Acquisitions === In 2002, the company acquired Customer Asset.com with its two subsidiaries and Tawny Dove Ltd. One year later they acquired FirstRing India Pvt Ltd to gain customer acquisition and credit card services capabilities. In 2005, they acquired RevIT to expand their services into the healthcare sector.<ref Inname=":0" /> One year later, in December 2006, they openedacquired aBusiness branchProcess officeManagement Inc (BPM) with the aim to enhance the company capabilities in the Philippineshealthcare sector.<ref name=":0" /> In November 2021, Firstsource announced to acquire the US mortgage services provider The StoneHill Group.<ref>{{Cite news|title=Firstsource Solutions transitioning from being a BPO player to a platform player: Sanjiv Goenka|work=The Economic Times|url=https://economictimes.indiatimes.com/markets/expert-view/firstsource-solutions-transitioning-from-being-a-bpo-player-to-a-platform-player-sanjiv-goenka/articleshow/87625117.cms?from=mdr|access-date=2021-11-29}}</ref><ref>{{Cite web|title=Firstsource Solutions' step-down subsidiary Sourcepoint to acquire US-led The StoneHill Group|url=https://www.indiainfoline.com/article/news-top-story/firstsource-solutions-step-down-subsidiary-sourcepoint-to-acquire-us-led-the-stonehill-group-121111100576_1.html|access-date=2021-11-29|website=www.indiainfoline.com|language=en}}</ref>
