ReliaQuest Overview
Pro stress-test →ReliaQuest provides threat detection, investigation and response through its GreyMatter security platform, which employs artificial intelligence to automate many of those cybersecurity tasks. Founded in 2007 by CEO Brian Murphy in Tampa, Florida, the company has grown from a bootstrapped startup to a $3.4 billion-valued enterprise with over 1,200 employees and more than $300 million in annual recurring revenue as of April 2025.
Strategic Profile
Pro stress-test →GreyMatter is built on an open XDR architecture using agentic AI for threat detection, containment, investigation and response, automating many aspects of security operations by normalizing data across security technologies for rapid threat detection. The company is using recent fundraising to support international expansion and agentic AI-powered cybersecurity automation. The platform's technology-agnostic design and focus on AI-driven automation positions it as a key player in the shift from legacy managed services to software-centric security operations.
Competitive Landscape
Pro stress-test →The broader TAM for managed security services is estimated at $164 billion, with ReliaQuest's core addressable market for SecOps software growing at 28% CAGR. ReliaQuest competes in the Extended Detection and Response (XDR) and Security Operations Platform (SecOps) markets against established vendors like Microsoft (Sentinel XDR), Splunk, IBM, Fortinet, and emerging AI-first security platforms. Its technology-agnostic, open-architecture approach and agentic AI automation differentiate it from competitors focused on proprietary tech stacks.
Industry Context
ReliaQuest operates in Security operations platforms (SecOps software).
Key facts
Founded: 2007 · Headquarters: Tampa, US · Employees: 1,200 · Revenue: $300M+ ARR (April 2025); $142M annual revenue (2024) · Market cap: N/A