ReliaQuest
Make Security Possible
Tampa, United States · Founded 2007 · $800.0M raised
- Headquarters
- Tampa, Florida
- Employees
- 1001–5000
- Founded
- 2007
- Business Model
- B2B
- Website
- reliaquest.com
- Total Funding
- $800.0M
- Last Round
- $500.0M Venture RoundMar 2025
- Rounds
- 2
Totals include recorded grants and other qualifying funding, not just equity. What counts toward funding.
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 in Mar 2025. Investors include KKR, EQT AB and FTV Capital.
Tech & App Stack
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Funding History
Mar 2025
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Funding: Series D through Venture Round. Amounts, valuations, and investors where available.
Investors
Acquisitions
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