Sirsi Corporation (“SirsiDynix”) is the leading provider of software solutions and associated services for libraries of all types (academic, public, corporate, government, public/private K-12 schools and special). The company’s Integrated Library Systems (“ILS”) automate and optimize the entire operation of a library as well as enhance a library’s ability to serve its users and community. In addition to its core ILS software, SirsiDynix offers other value-added products that help transform library technologies from staff-focused operational solutions to end-user focused solutions. Such solutions enable libraries to leverage their strong brands, presence within the community, and vast repositories of materials to remain a trusted and utilized destination for information and knowledge.

SirsiDynix has approximately 3,000 library and consortia customers which serve approximately 300 million people through more than 23,000 library outlets in the Americas, Europe, Africa, the Middle East, and Asia-Pacific.

The company is headquartered in Provo, UT, with operations in Canada, EMEA, and APAC.

Vista Equity Fund II completed a buyout of SirsiDynix in January 2007.

SirsiDynix was acquired by ICV Partners in December 2014.

Follow-On Acquisition
Electronic Online Systems International


EOS International provides library software for legal, government, corporate, medical and other special library customers. For over 30 years, EOS has been developing, marketing, and supporting library automation and knowledge management solutions for over 1100 special libraries worldwide. EOS’s SaaS products allow special libraries to fulfill their core functions, including managing circulation, cataloging, serials, and acquisitions.


SirsiDynix acquired EOS in October 2013.

Company Site