ReliaQuest

Make Security Possible

Tampa, United States · Founded 2007 · $800.0M raised

Headquarters
Tampa, Florida
Employees
1001–5000
Founded
2007
Business Model
B2B
Total Funding
$800.0M
Last Round
$500.0M Venture RoundMar 2025
Rounds
2

About

ReliaQuest was founded in 2007 in Tampa, Florida by CEO Brian Murphy. The company's GreyMatter platform uses agentic AI to enable enterprise security teams to detect, contain, and respond to cyber threats in under 5 minutes. GreyMatter integrates across a customer's existing security stack, providing unified visibility and automating SOC analyst work. Valued at $3.4 billion following a 2025 funding round.

Summary

ReliaQuest is a Cybersecurity company based in Tampa, United States, founded in 2007. It has raised $800.0M in total across 2 rounds, most recently a $500.0M Venture Round round in Mar 2025. Investors include KKR, EQT AB and FTV Capital.

Tech & App Stack

14 technologies & apps tracked

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Funding History

Venture RoundGrowth Round (Series E)Mar 2025
$500.0M

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Investors

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