Private company

H5

Privately held company based in San Francisco1

H5 is a privately held company specializing in information retrieval systems for the legal industry, with offices in San Francisco and New York City. Founded in 1999, H5 combines advanced proprietary information retrieval technologies with professional expertise in linguistics, statistics, computer science, law, information technology, process engineering and e-discovery.2 Wikipedia text CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

  • HeadquartersSan Francisco1

H5 is a privately held company specializing in information retrieval systems for the legal industry, with offices in San Francisco and New York City. Founded in 1999, H5 combines advanced proprietary information retrieval technologies with professional expertise in linguistics, statistics, computer science, law, information technology, process engineering and e-discovery. The company completed its third and latest round of venture capital funding in 2005; its primary investors are the private equity firms of Draper Fisher Jurvetson, Institutional Venture Partners (IVP), and Walden VC.2

Sources

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