ReliaQuest’s core product, GreyMatter, is a cloud-native, Agentic AI-powered security operations platform that integrates with more than 200 cybersecurity tools to automate detection, investigation, containment and response. The platform uses data-stitching, detection-at-source, AI and automation to eliminate Tier 1 and Tier 2 work and deliver outcomes tailored to each customer’s architecture. ReliaQuest says customers can perform investigations 20x faster with 30% greater accuracy and contain threats in less than five minutes. The company reports over 1,000 customers, roughly 1,200 employees across six global operating centers, and has grown ARR more than 4x since 2020 to surpass $300 million. ReliaQuest is growing at more than 30% year-over-year and is operating profitably. The company intends to use new funding to further develop Agentic AI-driven cybersecurity automation and support ongoing international expansion. ReliaQuest offers GreyMatter, a cloud-native Open XDR-as-a-Service platform that unifies telemetry to deliver detection, investigation, response and resilience with 24/7/365 security expertise. The company supports fully managed MDR, co-managed security operations, and an automated Open XDR platform to help customers mature security programs and produce board-ready reporting. Recent product advances include a patented GreyMatter Universal Translator, a Model Index for program measurement and reporting, and Verify for breach and attack capabilities. Leadership and board hires accompanied product and go-to-market expansion. Financially, ReliaQuest surpassed $100M in annual recurring revenue and more than doubled new customers year-over-year. The company is private and headquartered in Tampa, Fla., and plans to use new funding to accelerate global expansion and continued development of the GreyMatter platform. ReliaQuest is a Tampa, Fla.-based advanced cybersecurity managed service and intelligence platform serving global enterprises. It provides GreyMatter, a cloud-native SaaS platform, alongside a team of trained cyber analysts to deliver security effectiveness and efficiency. GreyMatter consolidates, normalizes, and correlates data from customers' existing cyber technologies to increase enterprise-wide visibility. The platform leverages artificial intelligence and automation to enable continuous threat detection, threat hunting, and remediation. In August 2020 the company raised over $300m in growth financing to accelerate growth initiatives. The funding will support international expansion and platform development, and the company planned to add another 100 employees worldwide through 2020. ReliaQuest delivers customized co-managed security services through advanced security operations centers, documented processes, and a team of trained security analysts and engineers. Its offering unifies people, process and technology across on-premise and co-managed service requirements. The company serves a growing blue-chip client base across healthcare, retail, utilities, telecom and financial services. Founded in 2007 and headquartered in Tampa, FL, ReliaQuest emphasizes helping customers understand threats and optimize security platforms. Demand for its services is rising amid a dearth of security talent and proliferating security tools; the article cites Gartner estimating the global security outsourcing market at nearly $14 billion with roughly 15% annual growth through 2019. ReliaQuest intends to use new capital to fuel continued growth and expand its technology platform.

Total raised

$800M

Funding rounds

4

Latest round

Equity

Latest activity

Mar 2025