SIEM vendors
We list 37 companies active in SIEM, and 14 of them have it as their main focus. 7 are public, 3 are owned by another company and 27 are private. Most are based in the United States (31). The oldest, IBM, was founded in 1911. By revenue from annual reports, the largest company here is Microsoft ($331.8bn in FY2026). Read the siem market guide 2026.
By countryUnited States 31
Companies focused on SIEM
14 companies| Company | Based in | Founded | Size | Ownership | Revenue |
|---|---|---|---|---|---|
Elastic Elastic provides the Elasticsearch Platform, which includes search, observability, and security solutions. | Mountain View, United States | 2012 | Public, ESTC | $1.7bn (FY2026) | |
IBM IBM is a technology company that sells software, infrastructure, and consulting services. | Armonk, United States | 1911 | 352,600 staff | Public, IBM | |
Abstract Security Abstract provides a composable SIEM platform for security operations. | United States | 2023 | Private | ||
Artemis Security Artemis Security provides an AI-native security operations platform that detects, investigates and responds to cyber attacks. | New York, United States | Private | |||
Blumira Blumira provides a security operations platform for IT teams to detect and respond to threats. | Ann Arbor, United States | Private | |||
Cylake Cylake provides an AI-native cybersecurity platform for air-gapped sovereign environments. | Sunnyvale, United States | 2026 | Private | ||
Exabeam Exabeam provides security operations platforms that use behavioural analytics to detect and respond to threats. | Broomfield, United States | 2013 | Owned by Thoma Bravo | ||
LogPulse LogPulse provides log management and security monitoring hosted in the EU. | Netherlands | 2026 | Private | ||
Securonix Securonix provides a cloud-native platform for security operations, combining SIEM, UEBA, SOAR and threat intelligence. | San Mateo, United States | 2008 | Private | ||
Sekoia Sekoia provides an AI-driven security operations platform for detecting, investigating and responding to cyber threats. | Rennes, France | 2022 | Private | ||
Splunk Splunk provides a data platform for security, observability, and AI. | San Jose, United States | 2004 | Owned by Cisco | ||
Stellar Cyber Stellar Cyber provides an AI-native security operations platform that unifies detection and response tools. | San Jose, United States | 2015 | Private | ||
Sumo Logic Sumo Logic provides cloud log management, monitoring, and SIEM tools for security and operations teams. | Redwood City, United States | 2010 | Owned by Francisco Partners | ||
Wazuh Wazuh provides an open source platform for security monitoring and threat detection. | San Jose, United States | 2015 | Private |
Also active in SIEM
23 companies| Company | Based in | Founded | Size | Ownership | Revenue |
|---|---|---|---|---|---|
Microsoft Microsoft sells software, cloud services, hardware, and gaming products. | Redmond, United States | 1975 | 228,000 staff | Public, MSFT | $331.8bn (FY2026) |
Palo Alto Networks Palo Alto Networks provides cybersecurity platforms and services to protect organizations from cyber threats. | Santa Clara, United States | 2005 | 13,900 staff | Public, PANW | $11.5bn (FY2026) |
Fortinet Fortinet provides cybersecurity solutions and services, including networking and security convergence, for enterprises and governments. | Sunnyvale, United States | 2000 | 15,109 staff | Public, FTNT | $6.8bn (FY2025) |
CrowdStrike CrowdStrike provides AI-native cybersecurity solutions to stop breaches. | Austin, United States | 2011 | 7,925 staff | Public, CRWD | $4.8bn (FY2026) |
Rapid7 Rapid7 provides AI-powered managed cybersecurity operations, including MDR, SIEM, and vulnerability management. | Boston, United States | 2000 | 500+ staff | Public, RPD | $859.8m (FY2025) |
Google World-renowned cybersecurity firm now part of Google Cloud, delivering threat intelligence-led penetration testing and red teaming informed by front-line incident response experience. | Mountain View, United States | 2004 | 500+ staff | Private | |
7AI 7AI provides AI agents that automate security operations centre tasks for enterprises. | Boston, United States | 2024 | Private | ||
Anomali Anomali provides a threat intelligence platform and security analytics, built around its ThreatStream intelligence management product. | United States | 2013 | Private | ||
Binary Defense Binary Defense provides managed detection and response services and an AI-powered security platform. | Stow, United States | Private | |||
Cribl Cribl provides a vendor-agnostic platform for managing, investigating, and analyzing telemetry data. | San Francisco, United States | 2018 | Private | ||
CybaVerse CybaVerse provides a unified cyber security operations platform called CybaOps. | Portsmouth, United Kingdom | 2018 | Private | ||
D3 Security D3 Security provides an agentic SOC platform that autonomously triages, investigates, and responds to security alerts. | Vancouver, Canada | 2002 | Private | ||
Edge Delta Telemetry pipelines that route, enrich and transform security and observability data to SIEMs and other destinations, plus AI agents for site reliability work. | Seattle, United States | Private | |||
Exaforce Exaforce provides an agentic AI platform for security operations, detection, triage, investigation and response. | San Jose, United States | 2023 | Private | ||
Foresite Cybersecurity Foresite provides managed detection and response services using agentic AI for security operations. | Overland Park, United States | Private | |||
Huntress Huntress provides managed cybersecurity services including endpoint detection, identity threat detection, and security awareness training. | Columbia, United States | Private | |||
Intezer Intezer provides an AI-powered security operations center that investigates all alerts at forensic depth. | New York, United States | 2015 | Private | ||
ManageEngine ManageEngine provides IT operations, cybersecurity, and service management software for businesses. | Chennai, India | 1996 | Private | ||
Mezmo Mezmo sells an open-source agent harness called AURA, which runs in a customer's own environment using their tools, telemetry and operational context. | San Jose, United States | 2015 | Private | ||
NetWitness NetWitness provides cybersecurity platforms for threat detection, investigation and response across IT and OT environments. | Riverside, United States | 1997 | Private | ||
Qevlar AI Qevlar AI provides an autonomous security operations platform that investigates alerts and automates response. | Paris, France | 2023 | Private | ||
Swimlane Swimlane provides agentic AI automation for security operations, vulnerability management, and compliance. | Denver, United States | 2015 | Private | ||
Bindplane OpenTelemetry pipeline that collects, reduces, masks and routes logs and other telemetry to SIEM, storage and observability tools. | United States | Private |
Recent deals in SIEM
All SIEM dealsAcquisitions come from SecurityWeek's monthly M&A round-ups from 2021 onwards, from Cybersecurity Ventures' quarterly M&A reports for 2020, and a few from Wikipedia lists. These are dated to the month. A few deals added from the news are dated to the day. Smaller deals may be missing. Amounts are in US dollars.
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