This company has been acquired.

3SI Security Systems logo

3SI Security Systems

www.3sisecurity.com

Criminal case and legal technology solutions for law firms

Litigation & Dispute Resolutionmatter management
Status
Acquired
Founded
1971
Headquarters
Malvern, USA
Target market
Law Firms
Revenue model
Subscription, Services, and Licensing
Total funding
-
[1]Bluebook:Stanford Ctr. for Legal Informatics (CodeX), CodeX TechIndex: 3SI Security Systems, https://techindex.law.stanford.edu/companies/3si-security-systems (last visited July 1, 2026).
[2]APA:Stanford Center for Legal Informatics (CodeX). (n.d.). 3SI Security Systems. In CodeX TechIndex. Retrieved July 1, 2026, from https://techindex.law.stanford.edu/companies/3si-security-systems
[3]BibTeX:@misc{techindex_company_13150, author = {{Stanford Center for Legal Informatics (CodeX)}}, title = {{CodeX TechIndex: 3SI Security Systems}}, howpublished = {CodeX TechIndex}, url = {https://techindex.law.stanford.edu/companies/3si-security-systems}, urldate = {2026-07-01} }
Entry maintained by Stanford CodeX. Last reviewed July 2026.Suggest an update